[INFO] cloning repository https://github.com/weirdan/rust-knight-tour [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weirdan/rust-knight-tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdan%2Frust-knight-tour", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdan%2Frust-knight-tour'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a627aadcf9767a8ab59070953cfc16fbac12bae1 [INFO] testing weirdan/rust-knight-tour against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweirdan%2Frust-knight-tour" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/weirdan/rust-knight-tour on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/weirdan/rust-knight-tour [INFO] finished tweaking git repo https://github.com/weirdan/rust-knight-tour [INFO] tweaked toml for git repo https://github.com/weirdan/rust-knight-tour written to /workspace/builds/worker-22/source/Cargo.toml [INFO] crate git repo https://github.com/weirdan/rust-knight-tour already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42f519533f533c769163117f06f0c295126a3613cc488148c7d2846f7d4cecd6 [INFO] running `Command { std: "docker" "start" "-a" "42f519533f533c769163117f06f0c295126a3613cc488148c7d2846f7d4cecd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42f519533f533c769163117f06f0c295126a3613cc488148c7d2846f7d4cecd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42f519533f533c769163117f06f0c295126a3613cc488148c7d2846f7d4cecd6", kill_on_drop: false }` [INFO] [stdout] 42f519533f533c769163117f06f0c295126a3613cc488148c7d2846f7d4cecd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c75c8aa15c43d3ee99e3b5b04e6bb40a8d73be57c4a34cd22fb5bd164159979a [INFO] running `Command { std: "docker" "start" "-a" "c75c8aa15c43d3ee99e3b5b04e6bb40a8d73be57c4a34cd22fb5bd164159979a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling knights-tour v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `Command { std: "docker" "inspect" "c75c8aa15c43d3ee99e3b5b04e6bb40a8d73be57c4a34cd22fb5bd164159979a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c75c8aa15c43d3ee99e3b5b04e6bb40a8d73be57c4a34cd22fb5bd164159979a", kill_on_drop: false }` [INFO] [stdout] c75c8aa15c43d3ee99e3b5b04e6bb40a8d73be57c4a34cd22fb5bd164159979a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e2db00237bc6047d9493a03170386808988d43263be9498bb9a591b24ec5e1f [INFO] running `Command { std: "docker" "start" "-a" "1e2db00237bc6047d9493a03170386808988d43263be9498bb9a591b24ec5e1f", kill_on_drop: false }` [INFO] [stderr] Compiling knights-tour v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "1e2db00237bc6047d9493a03170386808988d43263be9498bb9a591b24ec5e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e2db00237bc6047d9493a03170386808988d43263be9498bb9a591b24ec5e1f", kill_on_drop: false }` [INFO] [stdout] 1e2db00237bc6047d9493a03170386808988d43263be9498bb9a591b24ec5e1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86cdb16cf7f31e51fb80fea36af0f07f75de0fb349f03dbc7a11d9c1fb6ecfe2 [INFO] running `Command { std: "docker" "start" "-a" "86cdb16cf7f31e51fb80fea36af0f07f75de0fb349f03dbc7a11d9c1fb6ecfe2", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/knights_tour-1898ae43c51a411a) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::knight_has_8_moves ... ok [INFO] [stdout] test tests::knight_ignores_moves_to_visited_squares ... ok [INFO] [stdout] test tests::knight_in_top_left_corner_has_2_moves ... ok [INFO] [stdout] test tests::knight_cannot_tour_on_3x3_board ... ok [INFO] [stdout] test tests::knight_can_tour_on_6x6_board ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "86cdb16cf7f31e51fb80fea36af0f07f75de0fb349f03dbc7a11d9c1fb6ecfe2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86cdb16cf7f31e51fb80fea36af0f07f75de0fb349f03dbc7a11d9c1fb6ecfe2", kill_on_drop: false }` [INFO] [stdout] 86cdb16cf7f31e51fb80fea36af0f07f75de0fb349f03dbc7a11d9c1fb6ecfe2