[INFO] cloning repository jakeledoux/dog
[INFO] running `"git" "clone" "--bare" "git://github.com/jakeledoux/dog.git" "work/cache/sources/gh/jakeledoux/dog"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jakeledoux/dog'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jakeledoux/dog" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakeledoux/dog"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakeledoux/dog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jakeledoux/dog" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jakeledoux/dog"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jakeledoux/dog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 133adfddfdc1682cf3a101ceded5e013c7dd38d2
[INFO] sha for GitHub repo jakeledoux/dog: 133adfddfdc1682cf3a101ceded5e013c7dd38d2
[INFO] validating manifest of jakeledoux/dog 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 jakeledoux/dog 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 jakeledoux/dog
[INFO] finished frobbing jakeledoux/dog
[INFO] frobbed toml for jakeledoux/dog written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakeledoux/dog/Cargo.toml
[INFO] started frobbing jakeledoux/dog
[INFO] finished frobbing jakeledoux/dog
[INFO] frobbed toml for jakeledoux/dog written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jakeledoux/dog/Cargo.toml
[INFO] crate jakeledoux/dog 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 jakeledoux/dog against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakeledoux/dog:/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] 58b7f8f05da26f531ebaee62df2ceb557a400031238d9c533d98cf43f7f44863
[INFO] running `"docker" "start" "-a" "58b7f8f05da26f531ebaee62df2ceb557a400031238d9c533d98cf43f7f44863"`
[INFO] [stderr]    Compiling backtrace v0.3.22
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking dog v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let mut contents: String;
[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:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let mut contents: String;
[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 22.44s
[INFO] running `"docker" "inspect" "58b7f8f05da26f531ebaee62df2ceb557a400031238d9c533d98cf43f7f44863"`
[INFO] running `"docker" "rm" "-f" "58b7f8f05da26f531ebaee62df2ceb557a400031238d9c533d98cf43f7f44863"`
[INFO] [stdout] 58b7f8f05da26f531ebaee62df2ceb557a400031238d9c533d98cf43f7f44863