[INFO] cloning repository https://github.com/leonmak/rust-checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leonmak/rust-checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonmak%2Frust-checkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonmak%2Frust-checkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1531d1c0ffea59bd2e641ed8f24faa13b9596cda
[INFO] testing leonmak/rust-checkers against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonmak%2Frust-checkers" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonmak/rust-checkers on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leonmak/rust-checkers
[INFO] finished tweaking git repo https://github.com/leonmak/rust-checkers
[INFO] tweaked toml for git repo https://github.com/leonmak/rust-checkers written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/leonmak/rust-checkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4de9ee26caf9444cf9062de112434b00317d875fadfcf10f27842941ea8f067f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4de9ee26caf9444cf9062de112434b00317d875fadfcf10f27842941ea8f067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de9ee26caf9444cf9062de112434b00317d875fadfcf10f27842941ea8f067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de9ee26caf9444cf9062de112434b00317d875fadfcf10f27842941ea8f067f", kill_on_drop: false }`
[INFO] [stdout] 4de9ee26caf9444cf9062de112434b00317d875fadfcf10f27842941ea8f067f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0c61b66dfb954b23f290fea2f65b95213cd045d6ac4db91294168400ba6053c
[INFO] running `Command { std: "docker" "start" "-a" "b0c61b66dfb954b23f290fea2f65b95213cd045d6ac4db91294168400ba6053c", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling mut_static v5.0.0
[INFO] [stderr]    Compiling rustycheckers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "b0c61b66dfb954b23f290fea2f65b95213cd045d6ac4db91294168400ba6053c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c61b66dfb954b23f290fea2f65b95213cd045d6ac4db91294168400ba6053c", kill_on_drop: false }`
[INFO] [stdout] b0c61b66dfb954b23f290fea2f65b95213cd045d6ac4db91294168400ba6053c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab73e36672ce58579215cc8326674bfe335f8ee9fe9d9e090085a73efc4dc64a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab73e36672ce58579215cc8326674bfe335f8ee9fe9d9e090085a73efc4dc64a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustycheckers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `board::Coordinate`
[INFO] [stdout]   --> src/board.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use board::Coordinate;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_piece`, `move_piece`
[INFO] [stdout]  --> src/test.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use ::{get_piece, move_piece};
[INFO] [stdout]   |            ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "ab73e36672ce58579215cc8326674bfe335f8ee9fe9d9e090085a73efc4dc64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab73e36672ce58579215cc8326674bfe335f8ee9fe9d9e090085a73efc4dc64a", kill_on_drop: false }`
[INFO] [stdout] ab73e36672ce58579215cc8326674bfe335f8ee9fe9d9e090085a73efc4dc64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ea6a159b143d0d5d3f3abf5f89e91b9c7b76579dc5fafc87f000563f74ed3a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ea6a159b143d0d5d3f3abf5f89e91b9c7b76579dc5fafc87f000563f74ed3a5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `board::Coordinate`
[INFO] [stderr]   --> src/board.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use board::Coordinate;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_piece`, `move_piece`
[INFO] [stderr]  --> src/test.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use ::{get_piece, move_piece};
[INFO] [stderr]   |            ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustycheckers-7518d23925f6cc5b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::tests::jumps_target ... ok
[INFO] [stdout] test test::tests::test_move ... ok
[INFO] [stdout] test test::tests::moves_target ... ok
[INFO] [stdout] test test::tests::test_move_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ea6a159b143d0d5d3f3abf5f89e91b9c7b76579dc5fafc87f000563f74ed3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea6a159b143d0d5d3f3abf5f89e91b9c7b76579dc5fafc87f000563f74ed3a5", kill_on_drop: false }`
[INFO] [stdout] 4ea6a159b143d0d5d3f3abf5f89e91b9c7b76579dc5fafc87f000563f74ed3a5