[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#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[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 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mut_static v5.0.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3adfa1b5ce789ef3307a34a7b338f4d8af2c08b318796ece2cdab7420cfe6070
[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" "3adfa1b5ce789ef3307a34a7b338f4d8af2c08b318796ece2cdab7420cfe6070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3adfa1b5ce789ef3307a34a7b338f4d8af2c08b318796ece2cdab7420cfe6070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adfa1b5ce789ef3307a34a7b338f4d8af2c08b318796ece2cdab7420cfe6070", kill_on_drop: false }`
[INFO] [stdout] 3adfa1b5ce789ef3307a34a7b338f4d8af2c08b318796ece2cdab7420cfe6070
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2815e5ea444a897a635560e21f50ca0d2e7aff466b24a3e1022bf646adf795
[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" "eb2815e5ea444a897a635560e21f50ca0d2e7aff466b24a3e1022bf646adf795", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[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 2.02s
[INFO] running `Command { std: "docker" "inspect" "eb2815e5ea444a897a635560e21f50ca0d2e7aff466b24a3e1022bf646adf795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2815e5ea444a897a635560e21f50ca0d2e7aff466b24a3e1022bf646adf795", kill_on_drop: false }`
[INFO] [stdout] eb2815e5ea444a897a635560e21f50ca0d2e7aff466b24a3e1022bf646adf795
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949e3aa653e577c3cde7fde5c88736a4e085b491a4046061448025aa25f8569c
[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" "949e3aa653e577c3cde7fde5c88736a4e085b491a4046061448025aa25f8569c", 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 1.23s
[INFO] running `Command { std: "docker" "inspect" "949e3aa653e577c3cde7fde5c88736a4e085b491a4046061448025aa25f8569c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949e3aa653e577c3cde7fde5c88736a4e085b491a4046061448025aa25f8569c", kill_on_drop: false }`
[INFO] [stdout] 949e3aa653e577c3cde7fde5c88736a4e085b491a4046061448025aa25f8569c
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c13eebc1b6b71dfeadade58fc8e0364c78d284945e2bf6f5ccf8ba6007eefaea
[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" "c13eebc1b6b71dfeadade58fc8e0364c78d284945e2bf6f5ccf8ba6007eefaea", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `board::Coordinate`
[INFO] [stdout] 
[INFO] [stderr]   --> src/board.rs:31:9
[INFO] [stdout] running 4 tests
[INFO] [stderr]    |
[INFO] [stdout] test test::tests::jumps_target ... ok
[INFO] [stderr] 31 |     use board::Coordinate;
[INFO] [stdout] test test::tests::moves_target ... ok
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] test test::tests::test_move ... ok
[INFO] [stderr]    |
[INFO] [stdout] test test::tests::test_move_err ... ok
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] warning: unused imports: `get_piece`, `move_piece`
[INFO] [stdout] 
[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 /opt/rustwide/target/debug/deps/rustycheckers-59f7f7c177b61d03
[INFO] running `Command { std: "docker" "inspect" "c13eebc1b6b71dfeadade58fc8e0364c78d284945e2bf6f5ccf8ba6007eefaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13eebc1b6b71dfeadade58fc8e0364c78d284945e2bf6f5ccf8ba6007eefaea", kill_on_drop: false }`
[INFO] [stdout] c13eebc1b6b71dfeadade58fc8e0364c78d284945e2bf6f5ccf8ba6007eefaea