[INFO] fetching crate birch 0.1.0...
[INFO] testing birch-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate birch 0.1.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate birch 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fa798fd2516f1bb003ba19c275812b5abf6f16e1732445a86387e983439f742
[INFO] running `Command { std: "docker" "start" "-a" "1fa798fd2516f1bb003ba19c275812b5abf6f16e1732445a86387e983439f742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fa798fd2516f1bb003ba19c275812b5abf6f16e1732445a86387e983439f742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa798fd2516f1bb003ba19c275812b5abf6f16e1732445a86387e983439f742", kill_on_drop: false }`
[INFO] [stdout] 1fa798fd2516f1bb003ba19c275812b5abf6f16e1732445a86387e983439f742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40dd6aca03cbb97ee3e0b4481f91a6c59eb4543f39c9743595b20117fd76f5bf
[INFO] running `Command { std: "docker" "start" "-a" "40dd6aca03cbb97ee3e0b4481f91a6c59eb4543f39c9743595b20117fd76f5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling birch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "40dd6aca03cbb97ee3e0b4481f91a6c59eb4543f39c9743595b20117fd76f5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dd6aca03cbb97ee3e0b4481f91a6c59eb4543f39c9743595b20117fd76f5bf", kill_on_drop: false }`
[INFO] [stdout] 40dd6aca03cbb97ee3e0b4481f91a6c59eb4543f39c9743595b20117fd76f5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53653efc20fb1b5f09a5d1bb36706eaf5c95768a2303f8d24453fe445301ba95
[INFO] running `Command { std: "docker" "start" "-a" "53653efc20fb1b5f09a5d1bb36706eaf5c95768a2303f8d24453fe445301ba95", kill_on_drop: false }`
[INFO] [stderr]    Compiling birch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "53653efc20fb1b5f09a5d1bb36706eaf5c95768a2303f8d24453fe445301ba95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53653efc20fb1b5f09a5d1bb36706eaf5c95768a2303f8d24453fe445301ba95", kill_on_drop: false }`
[INFO] [stdout] 53653efc20fb1b5f09a5d1bb36706eaf5c95768a2303f8d24453fe445301ba95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bf7c60b7f37e22fe67f034fc9fbdce92160ef5fcf948d369da65bd79c9c2c7f
[INFO] running `Command { std: "docker" "start" "-a" "1bf7c60b7f37e22fe67f034fc9fbdce92160ef5fcf948d369da65bd79c9c2c7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/birch-6162c5eaefb27928)
[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" "1bf7c60b7f37e22fe67f034fc9fbdce92160ef5fcf948d369da65bd79c9c2c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf7c60b7f37e22fe67f034fc9fbdce92160ef5fcf948d369da65bd79c9c2c7f", kill_on_drop: false }`
[INFO] [stdout] 1bf7c60b7f37e22fe67f034fc9fbdce92160ef5fcf948d369da65bd79c9c2c7f