[INFO] updating cached repository howeih/Day-34-Aho-Corasick
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-34-Aho-Corasick
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-34-Aho-Corasick" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/howeih/Day-34-Aho-Corasick"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/howeih/Day-34-Aho-Corasick'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-34-Aho-Corasick" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/howeih/Day-34-Aho-Corasick"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/howeih/Day-34-Aho-Corasick'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d7bacf337686b5d4d0ca382a8e469fe3af11c3d
[INFO] sha for GitHub repo howeih/Day-34-Aho-Corasick: 1d7bacf337686b5d4d0ca382a8e469fe3af11c3d
[INFO] validating manifest of howeih/Day-34-Aho-Corasick on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of howeih/Day-34-Aho-Corasick on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing howeih/Day-34-Aho-Corasick
[INFO] finished frobbing howeih/Day-34-Aho-Corasick
[INFO] frobbed toml for howeih/Day-34-Aho-Corasick written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/howeih/Day-34-Aho-Corasick/Cargo.toml
[INFO] started frobbing howeih/Day-34-Aho-Corasick
[INFO] finished frobbing howeih/Day-34-Aho-Corasick
[INFO] frobbed toml for howeih/Day-34-Aho-Corasick written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/howeih/Day-34-Aho-Corasick/Cargo.toml
[INFO] crate howeih/Day-34-Aho-Corasick already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking howeih/Day-34-Aho-Corasick against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-6/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/howeih/Day-34-Aho-Corasick:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4d2983c2d501338b44468f7131df4b36d740a9db9b80e4189a1dff858ce4a899
[INFO] running `"docker" "start" "-a" "4d2983c2d501338b44468f7131df4b36d740a9db9b80e4189a1dff858ce4a899"`
[INFO] [stderr]     Checking aho_corasick v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |                             let mut state = self.failure[d];
[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:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |                             let mut state = self.failure[d];
[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 0.52s
[INFO] running `"docker" "inspect" "4d2983c2d501338b44468f7131df4b36d740a9db9b80e4189a1dff858ce4a899"`
[INFO] running `"docker" "rm" "-f" "4d2983c2d501338b44468f7131df4b36d740a9db9b80e4189a1dff858ce4a899"`
[INFO] [stdout] 4d2983c2d501338b44468f7131df4b36d740a9db9b80e4189a1dff858ce4a899