[INFO] updating cached repository WuTheFWasThat/hanabi.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/WuTheFWasThat/hanabi.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/WuTheFWasThat/hanabi.rs" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/WuTheFWasThat/hanabi.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/WuTheFWasThat/hanabi.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/WuTheFWasThat/hanabi.rs" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/WuTheFWasThat/hanabi.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/WuTheFWasThat/hanabi.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96da95dbba05115f30c2d679027f220e69009222
[INFO] sha for GitHub repo WuTheFWasThat/hanabi.rs: 96da95dbba05115f30c2d679027f220e69009222
[INFO] validating manifest of WuTheFWasThat/hanabi.rs 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 WuTheFWasThat/hanabi.rs 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 WuTheFWasThat/hanabi.rs
[INFO] finished frobbing WuTheFWasThat/hanabi.rs
[INFO] frobbed toml for WuTheFWasThat/hanabi.rs written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/WuTheFWasThat/hanabi.rs/Cargo.toml
[INFO] started frobbing WuTheFWasThat/hanabi.rs
[INFO] finished frobbing WuTheFWasThat/hanabi.rs
[INFO] frobbed toml for WuTheFWasThat/hanabi.rs written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/WuTheFWasThat/hanabi.rs/Cargo.toml
[INFO] crate WuTheFWasThat/hanabi.rs 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 WuTheFWasThat/hanabi.rs against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/WuTheFWasThat/hanabi.rs:/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 524bf5b3544750b0d067252ae5d7e29c2caae6b5e8f1eb73be60c9fa9d2abd26
[INFO] running `"docker" "start" "-a" "524bf5b3544750b0d067252ae5d7e29c2caae6b5e8f1eb73be60c9fa9d2abd26"`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]     Checking crossbeam v0.2.8
[INFO] [stderr]     Checking log v0.3.5
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking rust_hanabi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulator.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let mut strategy = strategies.get_mut(&player).unwrap();
[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/simulator.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let mut strategy = strategies.get_mut(&player).unwrap();
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulator.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let mut strategy = strategies.get_mut(&player).unwrap();
[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/simulator.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let mut strategy = strategies.get_mut(&player).unwrap();
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `"docker" "inspect" "524bf5b3544750b0d067252ae5d7e29c2caae6b5e8f1eb73be60c9fa9d2abd26"`
[INFO] running `"docker" "rm" "-f" "524bf5b3544750b0d067252ae5d7e29c2caae6b5e8f1eb73be60c9fa9d2abd26"`
[INFO] [stdout] 524bf5b3544750b0d067252ae5d7e29c2caae6b5e8f1eb73be60c9fa9d2abd26