Windows: Will not install under Powershell

[Jeremy Kolb]

Running cargo install cargo-src on nightly ends up with a bunch of errors:

Compiling miow v0.2.1
Compiling thread_local v0.2.7
Compiling bytes v0.4.6
Compiling regex v0.1.80
Compiling rls-analysis v0.12.0
Compiling tokio-io v0.1.6
Compiling mio v0.6.14
Compiling serde_derive v1.0.39
Compiling tokio-reactor v0.1.1
Compiling tokio-tcp v0.1.0
Compiling tokio-udp v0.1.0
Compiling env_logger v0.3.5
Compiling tokio v0.1.5
Compiling tokio-core v0.1.17
Compiling tokio-proto v0.1.1
Compiling hyper v0.11.25
Compiling cargo_metadata v0.5.4
error: unknown character escape: U
--> C:\Users\jkolb\AppData\Local\Temp\cargo-installoWD3cv\release\build\cargo-src-49fef487575c9978\out/lookup_static.rs
:5:42
|
5 | ".eslintignore" => Ok(include_bytes!("C:\Users\jkolb.cargo\registry\src\github.com-1ecc6299db9ec823\cargo-src-0.1.0
\static.eslintignore")),
| ^

error: unknown character escape: j
--> C:\Users\jkolb\AppData\Local\Temp\cargo-installoWD3cv\release\build\cargo-src-49fef487575c9978\out/lookup_static.rs
:5:48
|
5 | ".eslintignore" => Ok(include_bytes!("C:\Users\jkolb.cargo\registry\src\github.com-1ecc6299db9ec823\cargo-src-0.1.0
\static.eslintignore")),
| ^

error: unknown character escape: .
--> C:\Users\jkolb\AppData\Local\Temp\cargo-installoWD3cv\release\build\cargo-src-49fef487575c9978\out/lookup_static.rs
:5:54
|
5 | ".eslintignore" => Ok(include_bytes!("C:\Users\jkolb.cargo\registry\src\github.com-1ecc6299db9ec823\cargo-src-0.1.0
\static.eslintignore")),
| ^

error: unknown character escape: s
--> C:\Users\jkolb\AppData\Local\Temp\cargo-installoWD3cv\release\build\cargo-src-49fef487575c9978\out/lookup_static.rs
:5:70
|
5 | ".eslintignore" => Ok(include_bytes!("C:\Users\jkolb.cargo\registry\src\github.com-1ecc6299db9ec823\cargo-src-0.1.0
\static.eslintignore")),
| ^

[Nick Cameron]

dup of #210