diff --git a/tests/build-lib.rs b/tests/build-lib.rs
index f0390194b..44c41b8f3 100644
--- a/tests/build-lib.rs
+++ b/tests/build-lib.rs
@@ -1,21 +1,19 @@
 extern crate cargotest;
 extern crate hamcrest;
 
-use std::path::MAIN_SEPARATOR as SEP;
-
 use cargotest::support::{basic_bin_manifest, execs, project, ProjectBuilder};
 use hamcrest::{assert_that};
 
 fn verbose_output_for_lib(p: &ProjectBuilder) -> String {
     format!("\
 [COMPILING] {name} v{version} ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name {name} --crate-type lib -g \
+[RUNNING] `rustc src[/]lib.rs --crate-name {name} --crate-type lib -g \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
+",
             dir = p.root().display(), url = p.url(),
             name = "foo", version = "0.0.1")
 }
diff --git a/tests/profiles.rs b/tests/profiles.rs
index ab060bba2..6135acc54 100644
--- a/tests/profiles.rs
+++ b/tests/profiles.rs
@@ -2,7 +2,6 @@ extern crate cargotest;
 extern crate hamcrest;
 
 use std::env;
-use std::path::MAIN_SEPARATOR as SEP;
 
 use cargotest::is_nightly;
 use cargotest::support::{project, execs};
@@ -28,16 +27,16 @@ fn profile_overrides() {
     assert_that(p.cargo_process("build").arg("-v"),
                 execs().with_status(0).with_stderr(&format!("\
 [COMPILING] test v0.0.0 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name test --crate-type lib \
+[RUNNING] `rustc src[/]lib.rs --crate-name test --crate-type lib \
         -C opt-level=1 \
         -C debug-assertions=on \
         -C metadata=[..] \
         -C rpath \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [optimized] target(s) in [..]
-", sep = SEP,
+",
 dir = p.root().display(),
 url = p.url(),
 )));
@@ -61,14 +60,14 @@ fn opt_level_override_0() {
     assert_that(p.cargo_process("build").arg("-v"),
                 execs().with_status(0).with_stderr(&format!("\
 [COMPILING] test v0.0.0 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name test --crate-type lib \
+[RUNNING] `rustc src[/]lib.rs --crate-name test --crate-type lib \
         -g \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] [..] target(s) in [..]
-", sep = SEP,
+",
 dir = p.root().display(),
 url = p.url()
 )));
@@ -91,16 +90,16 @@ fn check_opt_level_override(profile_level: &str, rustc_level: &str) {
     assert_that(p.cargo_process("build").arg("-v"),
                 execs().with_status(0).with_stderr(&format!("\
 [COMPILING] test v0.0.0 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name test --crate-type lib \
+[RUNNING] `rustc src[/]lib.rs --crate-name test --crate-type lib \
         -C opt-level={level} \
         -g \
         -C debug-assertions=on \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] [..] target(s) in [..]
-", sep = SEP,
+",
 dir = p.root().display(),
 url = p.url(),
 level = rustc_level
@@ -160,30 +159,29 @@ fn top_level_overrides_deps() {
     assert_that(p.cargo_process("build").arg("-v").arg("--release"),
                 execs().with_status(0).with_stderr(&format!("\
 [COMPILING] foo v0.0.0 ({url}/foo)
-[RUNNING] `rustc foo{sep}src{sep}lib.rs --crate-name foo \
+[RUNNING] `rustc foo[/]src[/]lib.rs --crate-name foo \
         --crate-type dylib --crate-type rlib -C prefer-dynamic \
         -C opt-level=1 \
         -g \
         -C metadata=[..] \
-        --out-dir {dir}{sep}target{sep}release{sep}deps \
+        --out-dir {dir}[/]target[/]release[/]deps \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}release{sep}deps`
+        -L dependency={dir}[/]target[/]release[/]deps`
 [COMPILING] test v0.0.0 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name test --crate-type lib \
+[RUNNING] `rustc src[/]lib.rs --crate-name test --crate-type lib \
         -C opt-level=1 \
         -g \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}release{sep}deps \
-        --extern foo={dir}{sep}target{sep}release{sep}deps{sep}\
+        -L dependency={dir}[/]target[/]release[/]deps \
+        --extern foo={dir}[/]target[/]release[/]deps[/]\
                      {prefix}foo[..]{suffix} \
-        --extern foo={dir}{sep}target{sep}release{sep}deps{sep}libfoo.rlib`
+        --extern foo={dir}[/]target[/]release[/]deps[/]libfoo.rlib`
 [FINISHED] release [optimized + debuginfo] target(s) in [..]
 ",
                     dir = p.root().display(),
                     url = p.url(),
-                    sep = SEP,
                     prefix = env::consts::DLL_PREFIX,
                     suffix = env::consts::DLL_SUFFIX)));
 }
diff --git a/tests/run.rs b/tests/run.rs
index 13a8472ce..146076138 100644
--- a/tests/run.rs
+++ b/tests/run.rs
@@ -2,8 +2,6 @@ extern crate cargo;
 extern crate cargotest;
 extern crate hamcrest;
 
-use std::path::MAIN_SEPARATOR as SEP;
-
 use cargo::util::paths::dylib_path_envvar;
 use cargotest::support::{project, execs, path2url};
 use hamcrest::{assert_that, existing_file};
@@ -26,7 +24,7 @@ fn simple() {
                        .with_stderr(&format!("\
 [COMPILING] foo v0.0.1 ({dir})
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-[RUNNING] `target{sep}debug{sep}foo[EXE]`", dir = path2url(p.root()), sep = SEP))
+[RUNNING] `target[/]debug[/]foo[EXE]`", dir = path2url(p.root())))
                        .with_stdout("\
 hello
 "));
@@ -232,18 +230,18 @@ fn specify_name() {
 [RUNNING] `rustc src[/]lib.rs [..]`
 [RUNNING] `rustc src[/]bin[/]a.rs [..]`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-[RUNNING] `target{sep}debug{sep}a[EXE]`", dir = path2url(p.root()), sep = SEP))
+[RUNNING] `target[/]debug[/]a[EXE]`", dir = path2url(p.root())))
                        .with_stdout("\
 hello a.rs
 "));
 
     assert_that(p.cargo("run").arg("--bin").arg("b").arg("-v"),
                 execs().with_status(0)
-                       .with_stderr(&format!("\
+                       .with_stderr("\
 [COMPILING] foo v0.0.1 ([..])
 [RUNNING] `rustc src[/]bin[/]b.rs [..]`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-[RUNNING] `target{sep}debug{sep}b[EXE]`", sep = SEP))
+[RUNNING] `target[/]debug[/]b[EXE]`")
                        .with_stdout("\
 hello b.rs
 "));
@@ -271,7 +269,7 @@ fn run_example() {
                        .with_stderr(&format!("\
 [COMPILING] foo v0.0.1 ({dir})
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-[RUNNING] `target{sep}debug{sep}examples{sep}a[EXE]`", dir = path2url(p.root()), sep = SEP))
+[RUNNING] `target[/]debug[/]examples[/]a[EXE]`", dir = path2url(p.root())))
                        .with_stdout("\
 example
 "));
@@ -364,7 +362,7 @@ fn one_bin_multiple_examples() {
                        .with_stderr(&format!("\
 [COMPILING] foo v0.0.1 ({dir})
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-[RUNNING] `target{sep}debug{sep}main[EXE]`", dir = path2url(p.root()), sep = SEP))
+[RUNNING] `target[/]debug[/]main[EXE]`", dir = path2url(p.root())))
                        .with_stdout("\
 hello main.rs
 "));
@@ -418,26 +416,26 @@ fn example_with_release_flag() {
                 execs().with_status(0)
                        .with_stderr(&format!("\
 [COMPILING] bar v0.0.1 ({url}/bar)
-[RUNNING] `rustc bar{sep}src{sep}bar.rs --crate-name bar --crate-type lib \
+[RUNNING] `rustc bar[/]src[/]bar.rs --crate-name bar --crate-type lib \
         -C opt-level=3 \
         -C metadata=[..] \
-        --out-dir {dir}{sep}target{sep}release{sep}deps \
+        --out-dir {dir}[/]target[/]release[/]deps \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}release{sep}deps`
+        -L dependency={dir}[/]target[/]release[/]deps`
 [COMPILING] foo v0.0.1 ({url})
-[RUNNING] `rustc examples{sep}a.rs --crate-name a --crate-type bin \
+[RUNNING] `rustc examples[/]a.rs --crate-name a --crate-type bin \
         -C opt-level=3 \
         -C metadata=[..] \
-        --out-dir {dir}{sep}target{sep}release{sep}examples \
+        --out-dir {dir}[/]target[/]release[/]examples \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}release{sep}deps \
-         --extern bar={dir}{sep}target{sep}release{sep}deps{sep}libbar.rlib`
+        -L dependency={dir}[/]target[/]release[/]deps \
+         --extern bar={dir}[/]target[/]release[/]deps[/]libbar.rlib`
 [FINISHED] release [optimized] target(s) in [..]
-[RUNNING] `target{sep}release{sep}examples{sep}a[EXE]`
+[RUNNING] `target[/]release[/]examples[/]a[EXE]`
 ",
         dir = p.root().display(),
         url = path2url(p.root()),
-        sep = SEP))
+        ))
                        .with_stdout("\
 fast1
 fast2"));
@@ -446,26 +444,26 @@ fast2"));
                 execs().with_status(0)
                        .with_stderr(&format!("\
 [COMPILING] bar v0.0.1 ({url}/bar)
-[RUNNING] `rustc bar{sep}src{sep}bar.rs --crate-name bar --crate-type lib \
+[RUNNING] `rustc bar[/]src[/]bar.rs --crate-name bar --crate-type lib \
         -g \
         -C metadata=[..] \
-        --out-dir {dir}{sep}target{sep}debug{sep}deps \
+        --out-dir {dir}[/]target[/]debug[/]deps \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [COMPILING] foo v0.0.1 ({url})
-[RUNNING] `rustc examples{sep}a.rs --crate-name a --crate-type bin \
+[RUNNING] `rustc examples[/]a.rs --crate-name a --crate-type bin \
         -g \
         -C metadata=[..] \
-        --out-dir {dir}{sep}target{sep}debug{sep}examples \
+        --out-dir {dir}[/]target[/]debug[/]examples \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps \
-         --extern bar={dir}{sep}target{sep}debug{sep}deps{sep}libbar.rlib`
+        -L dependency={dir}[/]target[/]debug[/]deps \
+         --extern bar={dir}[/]target[/]debug[/]deps[/]libbar.rlib`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-[RUNNING] `target{sep}debug{sep}examples{sep}a[EXE]`
+[RUNNING] `target[/]debug[/]examples[/]a[EXE]`
 ",
         dir = p.root().display(),
         url = path2url(p.root()),
-        sep = SEP))
+        ))
                        .with_stdout("\
 slow1
 slow2"));
@@ -520,10 +518,10 @@ fn release_works() {
                 execs().with_status(0).with_stderr(&format!("\
 [COMPILING] foo v0.0.1 ({dir})
 [FINISHED] release [optimized] target(s) in [..]
-[RUNNING] `target{sep}release{sep}foo[EXE]`
+[RUNNING] `target[/]release[/]foo[EXE]`
 ",
         dir = path2url(p.root()),
-        sep = SEP)));
+        )));
     assert_that(&p.release_bin("foo"), existing_file());
 }
 
@@ -589,9 +587,9 @@ fn run_from_executable_folder() {
 
     assert_that(p.cargo("run").cwd(cwd),
                 execs().with_status(0)
-                       .with_stderr(&format!("\
+                       .with_stderr("\
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]\n\
-[RUNNING] `.{sep}foo[EXE]`", sep = SEP))
+[RUNNING] `.[/]foo[EXE]`")
                        .with_stdout("\
 hello
 "));
diff --git a/tests/rustc.rs b/tests/rustc.rs
index 85684280c..5e54bae5a 100644
--- a/tests/rustc.rs
+++ b/tests/rustc.rs
@@ -1,8 +1,6 @@
 extern crate cargotest;
 extern crate hamcrest;
 
-use std::path::MAIN_SEPARATOR as SEP;
-
 use cargotest::support::{execs, project};
 use hamcrest::assert_that;
 
@@ -29,14 +27,13 @@ fn build_lib_for_foo() {
                 .with_status(0)
                 .with_stderr(format!("\
 [COMPILING] foo v0.0.1 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name foo --crate-type lib -g \
+[RUNNING] `rustc src[/]lib.rs --crate-name foo --crate-type lib -g \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
-            dir = p.root().display(), url = p.url())));
+", dir = p.root().display(), url = p.url())));
 }
 
 #[test]
@@ -59,15 +56,14 @@ fn lib() {
                 .with_status(0)
                 .with_stderr(format!("\
 [COMPILING] foo v0.0.1 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name foo --crate-type lib -g \
+[RUNNING] `rustc src[/]lib.rs --crate-name foo --crate-type lib -g \
         -C debug-assertions=off \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
-            dir = p.root().display(), url = p.url())))
+", dir = p.root().display(), url = p.url())))
 }
 
 #[test]
@@ -90,20 +86,20 @@ fn build_main_and_allow_unstable_options() {
                 .with_status(0)
                 .with_stderr(&format!("\
 [COMPILING] {name} v{version} ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name {name} --crate-type lib -g \
+[RUNNING] `rustc src[/]lib.rs --crate-name {name} --crate-type lib -g \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
-[RUNNING] `rustc src{sep}main.rs --crate-name {name} --crate-type bin -g \
+        -L dependency={dir}[/]target[/]debug[/]deps`
+[RUNNING] `rustc src[/]main.rs --crate-name {name} --crate-type bin -g \
         -C debug-assertions \
         -C metadata=[..] \
         --out-dir [..] \
         --emit=dep-info,link \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps \
-        --extern {name}={dir}{sep}target[/]debug[/]deps[/]lib{name}.rlib`
+        -L dependency={dir}[/]target[/]debug[/]deps \
+        --extern {name}={dir}[/]target[/]debug[/]deps[/]lib{name}.rlib`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
+",
             dir = p.root().display(), url = p.url(),
             name = "foo", version = "0.0.1")));
 }
@@ -155,13 +151,13 @@ fn build_with_args_to_one_of_multiple_binaries() {
                 .with_status(0)
                 .with_stderr(format!("\
 [COMPILING] foo v0.0.1 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name foo --crate-type lib -g \
+[RUNNING] `rustc src[/]lib.rs --crate-name foo --crate-type lib -g \
         -C metadata=[..] \
         --out-dir [..]`
-[RUNNING] `rustc src{sep}bin{sep}bar.rs --crate-name bar --crate-type bin -g \
+[RUNNING] `rustc src[/]bin[/]bar.rs --crate-name bar --crate-type bin -g \
         -C debug-assertions [..]`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP, url = p.url())));
+", url = p.url())));
 }
 
 #[test]
@@ -211,13 +207,13 @@ fn build_with_args_to_one_of_multiple_tests() {
                 .with_status(0)
                 .with_stderr(format!("\
 [COMPILING] foo v0.0.1 ({url})
-[RUNNING] `rustc src{sep}lib.rs --crate-name foo --crate-type lib -g \
+[RUNNING] `rustc src[/]lib.rs --crate-name foo --crate-type lib -g \
         -C metadata=[..] \
         --out-dir [..]`
-[RUNNING] `rustc tests{sep}bar.rs --crate-name bar -g \
+[RUNNING] `rustc tests[/]bar.rs --crate-name bar -g \
         -C debug-assertions [..]--test[..]`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP, url = p.url())));
+", url = p.url())));
 }
 
 #[test]
@@ -259,8 +255,7 @@ fn build_foo_with_bar_dependency() {
 [COMPILING] foo v0.0.1 ({url})
 [RUNNING] `[..] -g -C debug-assertions [..]`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-",
-                url = foo.url())));
+", url = foo.url())));
 }
 
 #[test]
diff --git a/tests/rustdoc.rs b/tests/rustdoc.rs
index da1336f05..71f7fc507 100644
--- a/tests/rustdoc.rs
+++ b/tests/rustdoc.rs
@@ -1,8 +1,6 @@
 extern crate cargotest;
 extern crate hamcrest;
 
-use std::path::MAIN_SEPARATOR as SEP;
-
 use cargotest::support::{execs, project};
 use hamcrest::{assert_that};
 
@@ -22,12 +20,11 @@ fn rustdoc_simple() {
                 .with_status(0)
                 .with_stderr(format!("\
 [DOCUMENTING] foo v0.0.1 ({url})
-[RUNNING] `rustdoc src{sep}lib.rs --crate-name foo \
-        -o {dir}{sep}target{sep}doc \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+[RUNNING] `rustdoc src[/]lib.rs --crate-name foo \
+        -o {dir}[/]target[/]doc \
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
-            dir = p.root().display(), url = p.url())));
+", dir = p.root().display(), url = p.url())));
 }
 
 #[test]
@@ -46,13 +43,12 @@ fn rustdoc_args() {
                 .with_status(0)
                 .with_stderr(format!("\
 [DOCUMENTING] foo v0.0.1 ({url})
-[RUNNING] `rustdoc src{sep}lib.rs --crate-name foo \
-        -o {dir}{sep}target{sep}doc \
+[RUNNING] `rustdoc src[/]lib.rs --crate-name foo \
+        -o {dir}[/]target[/]doc \
         --no-defaults \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
-            dir = p.root().display(), url = p.url())));
+", dir = p.root().display(), url = p.url())));
 }
 
 
@@ -90,16 +86,15 @@ fn rustdoc_foo_with_bar_dependency() {
                 .with_status(0)
                 .with_stderr(format!("\
 [COMPILING] bar v0.0.1 ([..])
-[RUNNING] `rustc [..]bar{sep}src{sep}lib.rs [..]`
+[RUNNING] `rustc [..]bar[/]src[/]lib.rs [..]`
 [DOCUMENTING] foo v0.0.1 ({url})
-[RUNNING] `rustdoc src{sep}lib.rs --crate-name foo \
-        -o {dir}{sep}target{sep}doc \
+[RUNNING] `rustdoc src[/]lib.rs --crate-name foo \
+        -o {dir}[/]target[/]doc \
         --no-defaults \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps \
+        -L dependency={dir}[/]target[/]debug[/]deps \
         --extern [..]`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
-            dir = foo.root().display(), url = foo.url())));
+", dir = foo.root().display(), url = foo.url())));
 }
 
 #[test]
@@ -138,13 +133,12 @@ fn rustdoc_only_bar_dependency() {
                 .with_status(0)
                 .with_stderr(format!("\
 [DOCUMENTING] bar v0.0.1 ([..])
-[RUNNING] `rustdoc [..]bar{sep}src{sep}lib.rs --crate-name bar \
-        -o {dir}{sep}target{sep}doc \
+[RUNNING] `rustdoc [..]bar[/]src[/]lib.rs --crate-name bar \
+        -o {dir}[/]target[/]doc \
         --no-defaults \
-        -L dependency={dir}{sep}target{sep}debug{sep}deps`
+        -L dependency={dir}[/]target[/]debug[/]deps`
 [FINISHED] debug [unoptimized + debuginfo] target(s) in [..]
-", sep = SEP,
-            dir = foo.root().display())));
+", dir = foo.root().display())));
 }