[INFO] updating cached repository wilbertom/gitignore
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wilbertom/gitignore
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wilbertom/gitignore" "work/ex/beta-1.38-1/sources/1.37.0/gh/wilbertom/gitignore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wilbertom/gitignore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wilbertom/gitignore" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilbertom/gitignore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilbertom/gitignore'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ec9a63dde923fe0fb091b876b751615549d735d
[INFO] sha for GitHub repo wilbertom/gitignore: 9ec9a63dde923fe0fb091b876b751615549d735d
[INFO] validating manifest of wilbertom/gitignore on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wilbertom/gitignore on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wilbertom/gitignore
[INFO] finished frobbing wilbertom/gitignore
[INFO] frobbed toml for wilbertom/gitignore written to work/ex/beta-1.38-1/sources/1.37.0/gh/wilbertom/gitignore/Cargo.toml
[INFO] started frobbing wilbertom/gitignore
[INFO] finished frobbing wilbertom/gitignore
[INFO] frobbed toml for wilbertom/gitignore written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilbertom/gitignore/Cargo.toml
[INFO] crate wilbertom/gitignore already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilbertom/gitignore/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/curl-rust/`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/curl-rust/`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wilbertom/gitignore against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilbertom/gitignore:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 26fd025f33ff19fb1fcd74cc7821f4ea763ef434bc43189dfba1423ff3123ebc
[INFO] running `"docker" "start" "-a" "26fd025f33ff19fb1fcd74cc7821f4ea763ef434bc43189dfba1423ff3123ebc"`
[INFO] [stderr]    Compiling curl v0.4.22 (https://github.com/carllerche/curl-rust/#0ba03a47)
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.20 (https://github.com/carllerche/curl-rust/#0ba03a47)
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling gitignore v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `curl::http`
[INFO] [stderr]  --> src/bin/gitignore.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use curl::http;
[INFO] [stderr]   |     ^^^^^^^^^^ no `http` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::File`
[INFO] [stderr]  --> src/bin/gitignore.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^ no `File` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/bin/gitignore.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |       let path = Path::new(".gitignore");
[INFO] [stderr]    |                  ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/gitignore.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |   let args = os::args();
[INFO] [stderr]    |                  ^^^^ not found in `os`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/gitignore.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 |   get(url.as_slice())
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/gitignore.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |       let filename = s.as_slice();
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `gitignore`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "26fd025f33ff19fb1fcd74cc7821f4ea763ef434bc43189dfba1423ff3123ebc"`
[INFO] running `"docker" "rm" "-f" "26fd025f33ff19fb1fcd74cc7821f4ea763ef434bc43189dfba1423ff3123ebc"`
[INFO] [stdout] 26fd025f33ff19fb1fcd74cc7821f4ea763ef434bc43189dfba1423ff3123ebc