[INFO] fetching crate salient 0.0.0...
[INFO] testing salient-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate salient 0.0.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate salient 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 salient 0.0.0
[INFO] finished tweaking crates.io crate salient 0.0.0
[INFO] tweaked toml for crates.io crate salient 0.0.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate salient 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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] d33d63411d59c5eef8a6a6869a24a5d807ee2e905f324cd18e40c5d4023ed5da
[INFO] running `Command { std: "docker" "start" "-a" "d33d63411d59c5eef8a6a6869a24a5d807ee2e905f324cd18e40c5d4023ed5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33d63411d59c5eef8a6a6869a24a5d807ee2e905f324cd18e40c5d4023ed5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33d63411d59c5eef8a6a6869a24a5d807ee2e905f324cd18e40c5d4023ed5da", kill_on_drop: false }`
[INFO] [stdout] d33d63411d59c5eef8a6a6869a24a5d807ee2e905f324cd18e40c5d4023ed5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] be513daa21537f1aa7c0b7da3ba629d5e0d584e1835bb17d957669bbe91f8742
[INFO] running `Command { std: "docker" "start" "-a" "be513daa21537f1aa7c0b7da3ba629d5e0d584e1835bb17d957669bbe91f8742", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling salient v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "be513daa21537f1aa7c0b7da3ba629d5e0d584e1835bb17d957669bbe91f8742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be513daa21537f1aa7c0b7da3ba629d5e0d584e1835bb17d957669bbe91f8742", kill_on_drop: false }`
[INFO] [stdout] be513daa21537f1aa7c0b7da3ba629d5e0d584e1835bb17d957669bbe91f8742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 3376ecf471ba324b6cc6a8968a43954e93d1a597d7c7426f37f0226780f8b2b8
[INFO] running `Command { std: "docker" "start" "-a" "3376ecf471ba324b6cc6a8968a43954e93d1a597d7c7426f37f0226780f8b2b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling salient v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "3376ecf471ba324b6cc6a8968a43954e93d1a597d7c7426f37f0226780f8b2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3376ecf471ba324b6cc6a8968a43954e93d1a597d7c7426f37f0226780f8b2b8", kill_on_drop: false }`
[INFO] [stdout] 3376ecf471ba324b6cc6a8968a43954e93d1a597d7c7426f37f0226780f8b2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 783c120fdf75d4932ea5d72ae491f4179d587e71de7c7adbc55d36fae6411ccd
[INFO] running `Command { std: "docker" "start" "-a" "783c120fdf75d4932ea5d72ae491f4179d587e71de7c7adbc55d36fae6411ccd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/salient-47c0fc0c8518f664)
[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" "783c120fdf75d4932ea5d72ae491f4179d587e71de7c7adbc55d36fae6411ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783c120fdf75d4932ea5d72ae491f4179d587e71de7c7adbc55d36fae6411ccd", kill_on_drop: false }`
[INFO] [stdout] 783c120fdf75d4932ea5d72ae491f4179d587e71de7c7adbc55d36fae6411ccd