[INFO] cloning repository matthiaskrgr/raca
[INFO] running `"git" "clone" "--bare" "git://github.com/matthiaskrgr/raca.git" "work/cache/sources/gh/matthiaskrgr/raca"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/matthiaskrgr/raca'...
[INFO] running `"git" "clone" "work/cache/sources/gh/matthiaskrgr/raca" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/matthiaskrgr/raca"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/matthiaskrgr/raca'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthiaskrgr/raca" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/matthiaskrgr/raca"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/matthiaskrgr/raca'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea9f9bf01fd3ac52d69d402620eb5f87162adaf0
[INFO] sha for GitHub repo matthiaskrgr/raca: ea9f9bf01fd3ac52d69d402620eb5f87162adaf0
[INFO] validating manifest of matthiaskrgr/raca on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matthiaskrgr/raca on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matthiaskrgr/raca
[INFO] finished frobbing matthiaskrgr/raca
[INFO] frobbed toml for matthiaskrgr/raca written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/matthiaskrgr/raca/Cargo.toml
[INFO] started frobbing matthiaskrgr/raca
[INFO] finished frobbing matthiaskrgr/raca
[INFO] frobbed toml for matthiaskrgr/raca written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/matthiaskrgr/raca/Cargo.toml
[INFO] crate matthiaskrgr/raca already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking matthiaskrgr/raca against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/matthiaskrgr/raca:/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=forbid" "-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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d21abff1829197ff27d98a2313d8413f010c6604f063a462870d024c960d2cb5
[INFO] running `"docker" "start" "-a" "d21abff1829197ff27d98a2313d8413f010c6604f063a462870d024c960d2cb5"`
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking cookie_store v0.5.1
[INFO] [stderr]     Checking tar v0.4.22
[INFO] [stderr]     Checking libssh2-sys v0.2.11
[INFO] [stderr]     Checking reqwest v0.9.15
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking raca v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |     let mut c;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |     let mut c;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.38s
[INFO] running `"docker" "inspect" "d21abff1829197ff27d98a2313d8413f010c6604f063a462870d024c960d2cb5"`
[INFO] running `"docker" "rm" "-f" "d21abff1829197ff27d98a2313d8413f010c6604f063a462870d024c960d2cb5"`
[INFO] [stdout] d21abff1829197ff27d98a2313d8413f010c6604f063a462870d024c960d2cb5