[INFO] updating cached repository krisuh/rust-checkers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krisuh/rust-checkers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krisuh/rust-checkers" "work/ex/beta-1.37-6/sources/1.36.0/gh/krisuh/rust-checkers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/krisuh/rust-checkers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krisuh/rust-checkers" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/krisuh/rust-checkers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/krisuh/rust-checkers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46988a60b5285c85d1e193cd193a31f88f37a4c5
[INFO] sha for GitHub repo krisuh/rust-checkers: 46988a60b5285c85d1e193cd193a31f88f37a4c5
[INFO] validating manifest of krisuh/rust-checkers 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 krisuh/rust-checkers 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 krisuh/rust-checkers
[INFO] finished frobbing krisuh/rust-checkers
[INFO] frobbed toml for krisuh/rust-checkers written to work/ex/beta-1.37-6/sources/1.36.0/gh/krisuh/rust-checkers/Cargo.toml
[INFO] started frobbing krisuh/rust-checkers
[INFO] finished frobbing krisuh/rust-checkers
[INFO] frobbed toml for krisuh/rust-checkers written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/krisuh/rust-checkers/Cargo.toml
[INFO] crate krisuh/rust-checkers 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing krisuh/rust-checkers 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-6/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/krisuh/rust-checkers:/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] 36524728c889293b2f88164ecba3f6ebd7f083d54b7fcd7cd90728d38bf68ff3
[INFO] running `"docker" "start" "-a" "36524728c889293b2f88164ecba3f6ebd7f083d54b7fcd7cd90728d38bf68ff3"`
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/game/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     height: u8,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_occupied`
[INFO] [stderr]   --> src/game/mod.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn is_occupied(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "36524728c889293b2f88164ecba3f6ebd7f083d54b7fcd7cd90728d38bf68ff3"`
[INFO] running `"docker" "rm" "-f" "36524728c889293b2f88164ecba3f6ebd7f083d54b7fcd7cd90728d38bf68ff3"`
[INFO] [stdout] 36524728c889293b2f88164ecba3f6ebd7f083d54b7fcd7cd90728d38bf68ff3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/krisuh/rust-checkers:/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] 1f89fcc8e22ccbe3f0f5efcb648c4c368d1aff1cdfaabcd226385f8608809a48
[INFO] running `"docker" "start" "-a" "1f89fcc8e22ccbe3f0f5efcb648c4c368d1aff1cdfaabcd226385f8608809a48"`
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/game/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     height: u8,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_occupied`
[INFO] [stderr]   --> src/game/mod.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn is_occupied(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "1f89fcc8e22ccbe3f0f5efcb648c4c368d1aff1cdfaabcd226385f8608809a48"`
[INFO] running `"docker" "rm" "-f" "1f89fcc8e22ccbe3f0f5efcb648c4c368d1aff1cdfaabcd226385f8608809a48"`
[INFO] [stdout] 1f89fcc8e22ccbe3f0f5efcb648c4c368d1aff1cdfaabcd226385f8608809a48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/krisuh/rust-checkers:/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] d885ef8b94ae10a857fe22107f5d5a1ef0427f50b852aefa3362d79551ed99ca
[INFO] running `"docker" "start" "-a" "d885ef8b94ae10a857fe22107f5d5a1ef0427f50b852aefa3362d79551ed99ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/checkers-658f1fe1a2f42bf7
[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" "d885ef8b94ae10a857fe22107f5d5a1ef0427f50b852aefa3362d79551ed99ca"`
[INFO] running `"docker" "rm" "-f" "d885ef8b94ae10a857fe22107f5d5a1ef0427f50b852aefa3362d79551ed99ca"`
[INFO] [stdout] d885ef8b94ae10a857fe22107f5d5a1ef0427f50b852aefa3362d79551ed99ca