[INFO] fetching crate matrix-conduit 0.0.0...
[INFO] testing matrix-conduit-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate matrix-conduit 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate matrix-conduit 0.0.0 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 matrix-conduit 0.0.0
[INFO] finished tweaking crates.io crate matrix-conduit 0.0.0
[INFO] tweaked toml for crates.io crate matrix-conduit 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate matrix-conduit 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b6ffadc1c6ee1bcd71ed554c0ad05a93fc6c3a05eec52a452f43151460113776
[INFO] running `Command { std: "docker" "start" "-a" "b6ffadc1c6ee1bcd71ed554c0ad05a93fc6c3a05eec52a452f43151460113776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ffadc1c6ee1bcd71ed554c0ad05a93fc6c3a05eec52a452f43151460113776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ffadc1c6ee1bcd71ed554c0ad05a93fc6c3a05eec52a452f43151460113776", kill_on_drop: false }`
[INFO] [stdout] b6ffadc1c6ee1bcd71ed554c0ad05a93fc6c3a05eec52a452f43151460113776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ab558f632346276fa95e278e09147ece684eee7f04ab65395076c496d59066c9
[INFO] running `Command { std: "docker" "start" "-a" "ab558f632346276fa95e278e09147ece684eee7f04ab65395076c496d59066c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-conduit v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "ab558f632346276fa95e278e09147ece684eee7f04ab65395076c496d59066c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab558f632346276fa95e278e09147ece684eee7f04ab65395076c496d59066c9", kill_on_drop: false }`
[INFO] [stdout] ab558f632346276fa95e278e09147ece684eee7f04ab65395076c496d59066c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8bbd637cdda87f1e88b942f8ee695a6464446109fa256f12ec6cc07c86df2ac5
[INFO] running `Command { std: "docker" "start" "-a" "8bbd637cdda87f1e88b942f8ee695a6464446109fa256f12ec6cc07c86df2ac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-conduit v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "8bbd637cdda87f1e88b942f8ee695a6464446109fa256f12ec6cc07c86df2ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bbd637cdda87f1e88b942f8ee695a6464446109fa256f12ec6cc07c86df2ac5", kill_on_drop: false }`
[INFO] [stdout] 8bbd637cdda87f1e88b942f8ee695a6464446109fa256f12ec6cc07c86df2ac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9099cb9d05f88658ceeea91571e84b25ab6f32d74c6a02eb1836b603622bbf72
[INFO] running `Command { std: "docker" "start" "-a" "9099cb9d05f88658ceeea91571e84b25ab6f32d74c6a02eb1836b603622bbf72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_conduit-145c8c5687b6b140)
[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" "9099cb9d05f88658ceeea91571e84b25ab6f32d74c6a02eb1836b603622bbf72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9099cb9d05f88658ceeea91571e84b25ab6f32d74c6a02eb1836b603622bbf72", kill_on_drop: false }`
[INFO] [stdout] 9099cb9d05f88658ceeea91571e84b25ab6f32d74c6a02eb1836b603622bbf72