[INFO] fetching crate walnut 0.1.4...
[INFO] testing walnut-0.1.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate walnut 0.1.4 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate walnut 0.1.4 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 walnut 0.1.4
[INFO] finished tweaking crates.io crate walnut 0.1.4
[INFO] tweaked toml for crates.io crate walnut 0.1.4 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate crates.io crate walnut 0.1.4 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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 89a93f856075014aee2847806f6e1dd6e351a43fafd13120df83438f013f2739
[INFO] running `Command { std: "docker" "start" "-a" "89a93f856075014aee2847806f6e1dd6e351a43fafd13120df83438f013f2739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a93f856075014aee2847806f6e1dd6e351a43fafd13120df83438f013f2739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a93f856075014aee2847806f6e1dd6e351a43fafd13120df83438f013f2739", kill_on_drop: false }`
[INFO] [stdout] 89a93f856075014aee2847806f6e1dd6e351a43fafd13120df83438f013f2739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 01965167d1b28581157e52f924da601bb917b0ec72a50b318897e05d32957c1d
[INFO] running `Command { std: "docker" "start" "-a" "01965167d1b28581157e52f924da601bb917b0ec72a50b318897e05d32957c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling walnut v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "01965167d1b28581157e52f924da601bb917b0ec72a50b318897e05d32957c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01965167d1b28581157e52f924da601bb917b0ec72a50b318897e05d32957c1d", kill_on_drop: false }`
[INFO] [stdout] 01965167d1b28581157e52f924da601bb917b0ec72a50b318897e05d32957c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 3d8a84dc5246ed04724a95f234bed4544884c576d161220287d4d2289ea4f6ab
[INFO] running `Command { std: "docker" "start" "-a" "3d8a84dc5246ed04724a95f234bed4544884c576d161220287d4d2289ea4f6ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling walnut v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "3d8a84dc5246ed04724a95f234bed4544884c576d161220287d4d2289ea4f6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8a84dc5246ed04724a95f234bed4544884c576d161220287d4d2289ea4f6ab", kill_on_drop: false }`
[INFO] [stdout] 3d8a84dc5246ed04724a95f234bed4544884c576d161220287d4d2289ea4f6ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 4d7e2978b10a0b0fd50fa37ebe5d4f2f162197752a3f2a58ea802d817a5e88a3
[INFO] running `Command { std: "docker" "start" "-a" "4d7e2978b10a0b0fd50fa37ebe5d4f2f162197752a3f2a58ea802d817a5e88a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/walnut-b265c26c32ce4551)
[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" "4d7e2978b10a0b0fd50fa37ebe5d4f2f162197752a3f2a58ea802d817a5e88a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7e2978b10a0b0fd50fa37ebe5d4f2f162197752a3f2a58ea802d817a5e88a3", kill_on_drop: false }`
[INFO] [stdout] 4d7e2978b10a0b0fd50fa37ebe5d4f2f162197752a3f2a58ea802d817a5e88a3