[INFO] updating cached repository mariogeiger/millsrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mariogeiger/millsrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mariogeiger/millsrs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mariogeiger/millsrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mariogeiger/millsrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mariogeiger/millsrs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mariogeiger/millsrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mariogeiger/millsrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ee5660f4deea1f18d6a8f643f0b34d8eb51fc3a
[INFO] sha for GitHub repo mariogeiger/millsrs: 3ee5660f4deea1f18d6a8f643f0b34d8eb51fc3a
[INFO] validating manifest of mariogeiger/millsrs 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 mariogeiger/millsrs 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 mariogeiger/millsrs
[INFO] finished frobbing mariogeiger/millsrs
[INFO] frobbed toml for mariogeiger/millsrs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mariogeiger/millsrs/Cargo.toml
[INFO] started frobbing mariogeiger/millsrs
[INFO] finished frobbing mariogeiger/millsrs
[INFO] frobbed toml for mariogeiger/millsrs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mariogeiger/millsrs/Cargo.toml
[INFO] crate mariogeiger/millsrs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mariogeiger/millsrs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mariogeiger/millsrs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7ea815d1fb5e6907aea46550e29de4bd1cebb027bda92367d6b0a58a399e1626
[INFO] running `"docker" "start" "-a" "7ea815d1fb5e6907aea46550e29de4bd1cebb027bda92367d6b0a58a399e1626"`
[INFO] [stderr]    Compiling negamax v0.1.0 (https://github.com/mariogeiger/negamax#cd225818)
[INFO] [stderr]    Compiling gag v0.1.10
[INFO] [stderr]    Compiling rustty v0.1.12
[INFO] [stderr]    Compiling millsrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:271:17
[INFO] [stderr]     |
[INFO] [stderr] 271 |             let mut cell = canvas.get_mut(x, y).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/main.rs:291:17
[INFO] [stderr]     |
[INFO] [stderr] 291 |             let mut cell = canvas.get_mut(x as usize, y as usize).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `"docker" "inspect" "7ea815d1fb5e6907aea46550e29de4bd1cebb027bda92367d6b0a58a399e1626"`
[INFO] running `"docker" "rm" "-f" "7ea815d1fb5e6907aea46550e29de4bd1cebb027bda92367d6b0a58a399e1626"`
[INFO] [stdout] 7ea815d1fb5e6907aea46550e29de4bd1cebb027bda92367d6b0a58a399e1626
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mariogeiger/millsrs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e08f9a4443e23d8e561a04d1f6b7fa3ff166f32a4bd0a0ac863715b1f5a741fa
[INFO] running `"docker" "start" "-a" "e08f9a4443e23d8e561a04d1f6b7fa3ff166f32a4bd0a0ac863715b1f5a741fa"`
[INFO] [stderr]    Compiling millsrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:271:17
[INFO] [stderr]     |
[INFO] [stderr] 271 |             let mut cell = canvas.get_mut(x, y).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/main.rs:291:17
[INFO] [stderr]     |
[INFO] [stderr] 291 |             let mut cell = canvas.get_mut(x as usize, y as usize).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "e08f9a4443e23d8e561a04d1f6b7fa3ff166f32a4bd0a0ac863715b1f5a741fa"`
[INFO] running `"docker" "rm" "-f" "e08f9a4443e23d8e561a04d1f6b7fa3ff166f32a4bd0a0ac863715b1f5a741fa"`
[INFO] [stdout] e08f9a4443e23d8e561a04d1f6b7fa3ff166f32a4bd0a0ac863715b1f5a741fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mariogeiger/millsrs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 04649feae9163fd3cbeea4702b31247aa2c854effd20319dcb9cca14603aaff0
[INFO] running `"docker" "start" "-a" "04649feae9163fd3cbeea4702b31247aa2c854effd20319dcb9cca14603aaff0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/millsrs-2be260b2ca7cdd94
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "04649feae9163fd3cbeea4702b31247aa2c854effd20319dcb9cca14603aaff0"`
[INFO] running `"docker" "rm" "-f" "04649feae9163fd3cbeea4702b31247aa2c854effd20319dcb9cca14603aaff0"`
[INFO] [stdout] 04649feae9163fd3cbeea4702b31247aa2c854effd20319dcb9cca14603aaff0