[INFO] fetching crate birch 0.1.0...
[INFO] testing birch-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate birch 0.1.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate birch 0.1.0 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 birch 0.1.0
[INFO] finished tweaking crates.io crate birch 0.1.0
[INFO] tweaked toml for crates.io crate birch 0.1.0 written to /workspace/builds/worker-51/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] c3ecf77db8e3bbe5426aa9d2bb4113c473d84986744b5272512d4d5fa925ee60
[INFO] running `Command { std: "docker" "start" "-a" "c3ecf77db8e3bbe5426aa9d2bb4113c473d84986744b5272512d4d5fa925ee60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ecf77db8e3bbe5426aa9d2bb4113c473d84986744b5272512d4d5fa925ee60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ecf77db8e3bbe5426aa9d2bb4113c473d84986744b5272512d4d5fa925ee60", kill_on_drop: false }`
[INFO] [stdout] c3ecf77db8e3bbe5426aa9d2bb4113c473d84986744b5272512d4d5fa925ee60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 8ea9641c9e821547cfca5804616f9ac1fdf52a96d1cd0ac75eff25715db57da3
[INFO] running `Command { std: "docker" "start" "-a" "8ea9641c9e821547cfca5804616f9ac1fdf52a96d1cd0ac75eff25715db57da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling birch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "8ea9641c9e821547cfca5804616f9ac1fdf52a96d1cd0ac75eff25715db57da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea9641c9e821547cfca5804616f9ac1fdf52a96d1cd0ac75eff25715db57da3", kill_on_drop: false }`
[INFO] [stdout] 8ea9641c9e821547cfca5804616f9ac1fdf52a96d1cd0ac75eff25715db57da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] e1fec0511de34bfbc54ad077a8954608b6ffb18fd08e801c9eb66f8217fcb61b
[INFO] running `Command { std: "docker" "start" "-a" "e1fec0511de34bfbc54ad077a8954608b6ffb18fd08e801c9eb66f8217fcb61b", kill_on_drop: false }`
[INFO] [stderr]    Compiling birch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e1fec0511de34bfbc54ad077a8954608b6ffb18fd08e801c9eb66f8217fcb61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fec0511de34bfbc54ad077a8954608b6ffb18fd08e801c9eb66f8217fcb61b", kill_on_drop: false }`
[INFO] [stdout] e1fec0511de34bfbc54ad077a8954608b6ffb18fd08e801c9eb66f8217fcb61b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 9d83dbca250e27fca429a5fa47512e92591871ec7eccc831c78268fc724e6dbc
[INFO] running `Command { std: "docker" "start" "-a" "9d83dbca250e27fca429a5fa47512e92591871ec7eccc831c78268fc724e6dbc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/birch-8a96166947e1fb05)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 birch
[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" "9d83dbca250e27fca429a5fa47512e92591871ec7eccc831c78268fc724e6dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d83dbca250e27fca429a5fa47512e92591871ec7eccc831c78268fc724e6dbc", kill_on_drop: false }`
[INFO] [stdout] 9d83dbca250e27fca429a5fa47512e92591871ec7eccc831c78268fc724e6dbc