[INFO] updating cached repository https://github.com/krisuh/rust-checkers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46988a60b5285c85d1e193cd193a31f88f37a4c5
[INFO] testing krisuh/rust-checkers against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisuh%2Frust-checkers" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krisuh/rust-checkers on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/krisuh/rust-checkers
[INFO] finished tweaking git repo https://github.com/krisuh/rust-checkers
[INFO] tweaked toml for git repo https://github.com/krisuh/rust-checkers written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/krisuh/rust-checkers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d50ba17740fe523347e409a641763dfd73aa22ab8f2da2e14961e8b7935ad064
[INFO] running `"docker" "start" "-a" "d50ba17740fe523347e409a641763dfd73aa22ab8f2da2e14961e8b7935ad064"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "d50ba17740fe523347e409a641763dfd73aa22ab8f2da2e14961e8b7935ad064"`
[INFO] running `"docker" "rm" "-f" "d50ba17740fe523347e409a641763dfd73aa22ab8f2da2e14961e8b7935ad064"`
[INFO] [stdout] d50ba17740fe523347e409a641763dfd73aa22ab8f2da2e14961e8b7935ad064
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 711202436d41e02d9c5f601a187e1fd2884baa422a8741bb8d30d4d21506c1e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "711202436d41e02d9c5f601a187e1fd2884baa422a8741bb8d30d4d21506c1e1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "711202436d41e02d9c5f601a187e1fd2884baa422a8741bb8d30d4d21506c1e1"`
[INFO] running `"docker" "rm" "-f" "711202436d41e02d9c5f601a187e1fd2884baa422a8741bb8d30d4d21506c1e1"`
[INFO] [stdout] 711202436d41e02d9c5f601a187e1fd2884baa422a8741bb8d30d4d21506c1e1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f722509d47c4e4e74bf2ded53261071b1fceffff241d5991c6d6d3cd3749d725
[INFO] running `"docker" "start" "-a" "f722509d47c4e4e74bf2ded53261071b1fceffff241d5991c6d6d3cd3749d725"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: field is never read: `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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checkers-c351eda8ba2f9a19
[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" "f722509d47c4e4e74bf2ded53261071b1fceffff241d5991c6d6d3cd3749d725"`
[INFO] running `"docker" "rm" "-f" "f722509d47c4e4e74bf2ded53261071b1fceffff241d5991c6d6d3cd3749d725"`
[INFO] [stdout] f722509d47c4e4e74bf2ded53261071b1fceffff241d5991c6d6d3cd3749d725