[INFO] fetching crate viable 0.1.5...
[INFO] testing viable-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate viable 0.1.5 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate viable 0.1.5 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 viable 0.1.5
[INFO] finished tweaking crates.io crate viable 0.1.5
[INFO] tweaked toml for crates.io crate viable 0.1.5 written to /workspace/builds/worker-29/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] 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]  Downloading crates ...
[INFO] [stderr]   Downloaded viable-impl v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] d14f36c2e4125cf79d68b2381543b4cda735765a64e14261d9afed85387a93af
[INFO] running `Command { std: "docker" "start" "-a" "d14f36c2e4125cf79d68b2381543b4cda735765a64e14261d9afed85387a93af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d14f36c2e4125cf79d68b2381543b4cda735765a64e14261d9afed85387a93af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14f36c2e4125cf79d68b2381543b4cda735765a64e14261d9afed85387a93af", kill_on_drop: false }`
[INFO] [stdout] d14f36c2e4125cf79d68b2381543b4cda735765a64e14261d9afed85387a93af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 3a557232a6a05dcfb54574635aedac552bcb08bafe3254f125a69677b0028cb9
[INFO] running `Command { std: "docker" "start" "-a" "3a557232a6a05dcfb54574635aedac552bcb08bafe3254f125a69677b0028cb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling viable-impl v0.1.5
[INFO] [stderr]    Compiling viable v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "3a557232a6a05dcfb54574635aedac552bcb08bafe3254f125a69677b0028cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a557232a6a05dcfb54574635aedac552bcb08bafe3254f125a69677b0028cb9", kill_on_drop: false }`
[INFO] [stdout] 3a557232a6a05dcfb54574635aedac552bcb08bafe3254f125a69677b0028cb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] b0e165ab5f3cfb7c106cf3dfb326240fd81f65e544ac733c7f2da180a7f0c9ae
[INFO] running `Command { std: "docker" "start" "-a" "b0e165ab5f3cfb7c106cf3dfb326240fd81f65e544ac733c7f2da180a7f0c9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling viable v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "b0e165ab5f3cfb7c106cf3dfb326240fd81f65e544ac733c7f2da180a7f0c9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e165ab5f3cfb7c106cf3dfb326240fd81f65e544ac733c7f2da180a7f0c9ae", kill_on_drop: false }`
[INFO] [stdout] b0e165ab5f3cfb7c106cf3dfb326240fd81f65e544ac733c7f2da180a7f0c9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 50bc1ad9a624b23a03bb3b4c0193d2b17d6f177ace3e9135468d7613c2edf2ec
[INFO] running `Command { std: "docker" "start" "-a" "50bc1ad9a624b23a03bb3b4c0193d2b17d6f177ace3e9135468d7613c2edf2ec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/viable-f66f50008775d629)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests viable
[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] [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" "50bc1ad9a624b23a03bb3b4c0193d2b17d6f177ace3e9135468d7613c2edf2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bc1ad9a624b23a03bb3b4c0193d2b17d6f177ace3e9135468d7613c2edf2ec", kill_on_drop: false }`
[INFO] [stdout] 50bc1ad9a624b23a03bb3b4c0193d2b17d6f177ace3e9135468d7613c2edf2ec