[INFO] fetching crate screwsat 2.1.5...
[INFO] testing screwsat-2.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate screwsat 2.1.5 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate screwsat 2.1.5 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 screwsat 2.1.5
[INFO] finished tweaking crates.io crate screwsat 2.1.5
[INFO] tweaked toml for crates.io crate screwsat 2.1.5 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate screwsat 2.1.5 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] a45441d553685138e5deb6e2c297e2ae020ebc3d9d1c78e716657feca020fb4b
[INFO] running `Command { std: "docker" "start" "-a" "a45441d553685138e5deb6e2c297e2ae020ebc3d9d1c78e716657feca020fb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45441d553685138e5deb6e2c297e2ae020ebc3d9d1c78e716657feca020fb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45441d553685138e5deb6e2c297e2ae020ebc3d9d1c78e716657feca020fb4b", kill_on_drop: false }`
[INFO] [stdout] a45441d553685138e5deb6e2c297e2ae020ebc3d9d1c78e716657feca020fb4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 91cd0eac6ab28f05a7ba4278a83e1886c2172810f4d610cd351f6c2adefdac78
[INFO] running `Command { std: "docker" "start" "-a" "91cd0eac6ab28f05a7ba4278a83e1886c2172810f4d610cd351f6c2adefdac78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling screwsat v2.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "91cd0eac6ab28f05a7ba4278a83e1886c2172810f4d610cd351f6c2adefdac78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cd0eac6ab28f05a7ba4278a83e1886c2172810f4d610cd351f6c2adefdac78", kill_on_drop: false }`
[INFO] [stdout] 91cd0eac6ab28f05a7ba4278a83e1886c2172810f4d610cd351f6c2adefdac78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 8607b8b304eff6f642d4fb8d209768efb1eaf8d29bf31ee92c8e7d969b6c697f
[INFO] running `Command { std: "docker" "start" "-a" "8607b8b304eff6f642d4fb8d209768efb1eaf8d29bf31ee92c8e7d969b6c697f", kill_on_drop: false }`
[INFO] [stderr]    Compiling screwsat v2.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "8607b8b304eff6f642d4fb8d209768efb1eaf8d29bf31ee92c8e7d969b6c697f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8607b8b304eff6f642d4fb8d209768efb1eaf8d29bf31ee92c8e7d969b6c697f", kill_on_drop: false }`
[INFO] [stdout] 8607b8b304eff6f642d4fb8d209768efb1eaf8d29bf31ee92c8e7d969b6c697f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6822743e32c0d21d7c714644ed9e20fd6144357ac14ebd22fe9adc4a2c4fa0d5
[INFO] running `Command { std: "docker" "start" "-a" "6822743e32c0d21d7c714644ed9e20fd6144357ac14ebd22fe9adc4a2c4fa0d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/screwsat-86aeb1975d83b3b7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/screwsat-7be70becd220318d)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9fc97de7624f7189)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests screwsat
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6822743e32c0d21d7c714644ed9e20fd6144357ac14ebd22fe9adc4a2c4fa0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6822743e32c0d21d7c714644ed9e20fd6144357ac14ebd22fe9adc4a2c4fa0d5", kill_on_drop: false }`
[INFO] [stdout] 6822743e32c0d21d7c714644ed9e20fd6144357ac14ebd22fe9adc4a2c4fa0d5