[INFO] fetching crate lcs 0.2.0...
[INFO] testing lcs-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lcs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lcs 0.2.0 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 lcs 0.2.0
[INFO] finished tweaking crates.io crate lcs 0.2.0
[INFO] tweaked toml for crates.io crate lcs 0.2.0 written to /workspace/builds/worker-4/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-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" "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] 32d2fdf927515599107da431b6a467000362bf32b1de2718082b4341d0b8127d
[INFO] running `Command { std: "docker" "start" "-a" "32d2fdf927515599107da431b6a467000362bf32b1de2718082b4341d0b8127d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d2fdf927515599107da431b6a467000362bf32b1de2718082b4341d0b8127d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d2fdf927515599107da431b6a467000362bf32b1de2718082b4341d0b8127d", kill_on_drop: false }`
[INFO] [stdout] 32d2fdf927515599107da431b6a467000362bf32b1de2718082b4341d0b8127d
[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=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] 4d0f5d32a9eb639c45e4a0b97a988fdaf3181f9c392be3c06001fc428976e086
[INFO] running `Command { std: "docker" "start" "-a" "4d0f5d32a9eb639c45e4a0b97a988fdaf3181f9c392be3c06001fc428976e086", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "4d0f5d32a9eb639c45e4a0b97a988fdaf3181f9c392be3c06001fc428976e086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0f5d32a9eb639c45e4a0b97a988fdaf3181f9c392be3c06001fc428976e086", kill_on_drop: false }`
[INFO] [stdout] 4d0f5d32a9eb639c45e4a0b97a988fdaf3181f9c392be3c06001fc428976e086
[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=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] c3e3b1fcf10bcf5d9241f4178ca75c5fb6d23db034a24d18a3edef96669740b4
[INFO] running `Command { std: "docker" "start" "-a" "c3e3b1fcf10bcf5d9241f4178ca75c5fb6d23db034a24d18a3edef96669740b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c3e3b1fcf10bcf5d9241f4178ca75c5fb6d23db034a24d18a3edef96669740b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e3b1fcf10bcf5d9241f4178ca75c5fb6d23db034a24d18a3edef96669740b4", kill_on_drop: false }`
[INFO] [stdout] c3e3b1fcf10bcf5d9241f4178ca75c5fb6d23db034a24d18a3edef96669740b4
[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=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] 86c72d7443567d1946f031ef101b1af9159a93e2a95cd606d257ad231d92eac3
[INFO] running `Command { std: "docker" "start" "-a" "86c72d7443567d1946f031ef101b1af9159a93e2a95cd606d257ad231d92eac3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lcs-0e5a223fa9a66079)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_diff ... ok
[INFO] [stdout] test test_lcs_table ... ok
[INFO] [stdout] test test_lcs_lcs ... ok
[INFO] [stdout] test test_longest_common_subsequences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lcs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - LcsTable::longest_common_subsequence (line 55) ... ok
[INFO] [stdout] test src/lib.rs - LcsTable::diff (line 150) ... ok
[INFO] [stdout] test src/lib.rs - LcsTable::longest_common_subsequences (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86c72d7443567d1946f031ef101b1af9159a93e2a95cd606d257ad231d92eac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c72d7443567d1946f031ef101b1af9159a93e2a95cd606d257ad231d92eac3", kill_on_drop: false }`
[INFO] [stdout] 86c72d7443567d1946f031ef101b1af9159a93e2a95cd606d257ad231d92eac3