[INFO] fetching crate lights-out 0.1.0... [INFO] testing lights-out-0.1.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate lights-out 0.1.0 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate lights-out 0.1.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lights-out 0.1.0 [INFO] finished tweaking crates.io crate lights-out 0.1.0 [INFO] tweaked toml for crates.io crate lights-out 0.1.0 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fe58b18e3e31d3d30408b33a3747c53105c395acb7237263bb01aabb63ce7ea [INFO] running `Command { std: "docker" "start" "-a" "0fe58b18e3e31d3d30408b33a3747c53105c395acb7237263bb01aabb63ce7ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fe58b18e3e31d3d30408b33a3747c53105c395acb7237263bb01aabb63ce7ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fe58b18e3e31d3d30408b33a3747c53105c395acb7237263bb01aabb63ce7ea", kill_on_drop: false }` [INFO] [stdout] 0fe58b18e3e31d3d30408b33a3747c53105c395acb7237263bb01aabb63ce7ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67a5d587451595b4edfdcab3393a599ff17d283e06dc21add1b338b563aab4db [INFO] running `Command { std: "docker" "start" "-a" "67a5d587451595b4edfdcab3393a599ff17d283e06dc21add1b338b563aab4db", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling lights-out v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solvers/state2.rs:150:6 [INFO] [stdout] | [INFO] [stdout] 150 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solvers/state2.rs:162:6 [INFO] [stdout] | [INFO] [stdout] 162 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solvers/state2.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(sx: usize, sy: usize) -> StructLevel { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/solvers/state2.rs:89:8 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn solve(level: &StructLevel) -> Option> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gauss_jordan_zf2` [INFO] [stdout] --> src/solvers/state2.rs:125:4 [INFO] [stdout] | [INFO] [stdout] 125 | fn gauss_jordan_zf2(mat: Vec>, expected: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "67a5d587451595b4edfdcab3393a599ff17d283e06dc21add1b338b563aab4db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67a5d587451595b4edfdcab3393a599ff17d283e06dc21add1b338b563aab4db", kill_on_drop: false }` [INFO] [stdout] 67a5d587451595b4edfdcab3393a599ff17d283e06dc21add1b338b563aab4db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8664a5e49b4f70c157e260e727190f1ddac687d56c0659b72cac7bf8d368464e [INFO] running `Command { std: "docker" "start" "-a" "8664a5e49b4f70c157e260e727190f1ddac687d56c0659b72cac7bf8d368464e", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solvers/state2.rs:150:6 [INFO] [stdout] | [INFO] [stdout] 150 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lights-out v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solvers/state2.rs:162:6 [INFO] [stdout] | [INFO] [stdout] 162 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solvers/state2.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new(sx: usize, sy: usize) -> StructLevel { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve` [INFO] [stdout] --> src/solvers/state2.rs:89:8 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn solve(level: &StructLevel) -> Option> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gauss_jordan_zf2` [INFO] [stdout] --> src/solvers/state2.rs:125:4 [INFO] [stdout] | [INFO] [stdout] 125 | fn gauss_jordan_zf2(mat: Vec>, expected: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solvers/state2.rs:150:6 [INFO] [stdout] | [INFO] [stdout] 150 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solvers/state2.rs:162:6 [INFO] [stdout] | [INFO] [stdout] 162 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "8664a5e49b4f70c157e260e727190f1ddac687d56c0659b72cac7bf8d368464e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8664a5e49b4f70c157e260e727190f1ddac687d56c0659b72cac7bf8d368464e", kill_on_drop: false }` [INFO] [stdout] 8664a5e49b4f70c157e260e727190f1ddac687d56c0659b72cac7bf8d368464e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b09809b4dd35974bb1aaac2f8f5b664c9d18cabeec2c6793ce0c49e3a297b85e [INFO] running `Command { std: "docker" "start" "-a" "b09809b4dd35974bb1aaac2f8f5b664c9d18cabeec2c6793ce0c49e3a297b85e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/solvers/state2.rs:150:6 [INFO] [stderr] | [INFO] [stderr] 150 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/solvers/state2.rs:162:6 [INFO] [stderr] | [INFO] [stderr] 162 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/solvers/state2.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn new(sx: usize, sy: usize) -> StructLevel { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `solve` [INFO] [stderr] --> src/solvers/state2.rs:89:8 [INFO] [stderr] | [INFO] [stderr] 89 | pub fn solve(level: &StructLevel) -> Option> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gauss_jordan_zf2` [INFO] [stderr] --> src/solvers/state2.rs:125:4 [INFO] [stderr] | [INFO] [stderr] 125 | fn gauss_jordan_zf2(mat: Vec>, expected: Vec) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lights-out` (lib) generated 5 warnings [INFO] [stderr] warning: `lights-out` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lights_out-48997d42994e94ec) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test solvers::state2::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests lights-out [INFO] [stdout] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stdout] running 0 tests [INFO] [stderr] --> /opt/rustwide/workdir/src/solvers/state2.rs:150:6 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 150 | }; [INFO] [stdout] [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> /opt/rustwide/workdir/src/solvers/state2.rs:162:6 [INFO] [stderr] | [INFO] [stderr] 162 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] running `Command { std: "docker" "inspect" "b09809b4dd35974bb1aaac2f8f5b664c9d18cabeec2c6793ce0c49e3a297b85e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b09809b4dd35974bb1aaac2f8f5b664c9d18cabeec2c6793ce0c49e3a297b85e", kill_on_drop: false }` [INFO] [stdout] b09809b4dd35974bb1aaac2f8f5b664c9d18cabeec2c6793ce0c49e3a297b85e