[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-1.37-6/sources/1.36.0/gh/mariogeiger/millsrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mariogeiger/millsrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mariogeiger/millsrs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mariogeiger/millsrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mariogeiger/millsrs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mariogeiger/millsrs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ff32121d718d0d28758c1c7e8ce5319a74fbe006ab7da8c1bd13edffb222ad6a
[INFO] running `"docker" "start" "-a" "ff32121d718d0d28758c1c7e8ce5319a74fbe006ab7da8c1bd13edffb222ad6a"`
[INFO] [stderr]    Compiling negamax v0.1.0 (https://github.com/mariogeiger/negamax#cd225818)
[INFO] [stderr]    Compiling tempfile v3.0.4
[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 6.04s
[INFO] running `"docker" "inspect" "ff32121d718d0d28758c1c7e8ce5319a74fbe006ab7da8c1bd13edffb222ad6a"`
[INFO] running `"docker" "rm" "-f" "ff32121d718d0d28758c1c7e8ce5319a74fbe006ab7da8c1bd13edffb222ad6a"`
[INFO] [stdout] ff32121d718d0d28758c1c7e8ce5319a74fbe006ab7da8c1bd13edffb222ad6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] bc8a76fc2b8550b646309e3882657aa112b2d245e3e4cf6e8d3b18d7bec2eb88
[INFO] running `"docker" "start" "-a" "bc8a76fc2b8550b646309e3882657aa112b2d245e3e4cf6e8d3b18d7bec2eb88"`
[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 1.26s
[INFO] running `"docker" "inspect" "bc8a76fc2b8550b646309e3882657aa112b2d245e3e4cf6e8d3b18d7bec2eb88"`
[INFO] running `"docker" "rm" "-f" "bc8a76fc2b8550b646309e3882657aa112b2d245e3e4cf6e8d3b18d7bec2eb88"`
[INFO] [stdout] bc8a76fc2b8550b646309e3882657aa112b2d245e3e4cf6e8d3b18d7bec2eb88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 934020ae1df631f4fbe1e5233b06e784949b4c9e97aec5f9aebb47be2a92e655
[INFO] running `"docker" "start" "-a" "934020ae1df631f4fbe1e5233b06e784949b4c9e97aec5f9aebb47be2a92e655"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/millsrs-3c3582bada4ef02f
[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" "934020ae1df631f4fbe1e5233b06e784949b4c9e97aec5f9aebb47be2a92e655"`
[INFO] running `"docker" "rm" "-f" "934020ae1df631f4fbe1e5233b06e784949b4c9e97aec5f9aebb47be2a92e655"`
[INFO] [stdout] 934020ae1df631f4fbe1e5233b06e784949b4c9e97aec5f9aebb47be2a92e655