[INFO] fetching crate yambler 0.2.0...
[INFO] testing yambler-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate yambler 0.2.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate yambler 0.2.0 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 yambler 0.2.0
[INFO] finished tweaking crates.io crate yambler 0.2.0
[INFO] tweaked toml for crates.io crate yambler 0.2.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate yambler 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] ec99f0061ed8573f0dc23d20d376c073776b6a460dca60381208d5ae5a4c4e64
[INFO] running `Command { std: "docker" "start" "-a" "ec99f0061ed8573f0dc23d20d376c073776b6a460dca60381208d5ae5a4c4e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec99f0061ed8573f0dc23d20d376c073776b6a460dca60381208d5ae5a4c4e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec99f0061ed8573f0dc23d20d376c073776b6a460dca60381208d5ae5a4c4e64", kill_on_drop: false }`
[INFO] [stdout] ec99f0061ed8573f0dc23d20d376c073776b6a460dca60381208d5ae5a4c4e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 6e62e60ec3595f65a9760432b89307bf9a9d26208058144143faa34edac30e7b
[INFO] running `Command { std: "docker" "start" "-a" "6e62e60ec3595f65a9760432b89307bf9a9d26208058144143faa34edac30e7b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling yambler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "6e62e60ec3595f65a9760432b89307bf9a9d26208058144143faa34edac30e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e62e60ec3595f65a9760432b89307bf9a9d26208058144143faa34edac30e7b", kill_on_drop: false }`
[INFO] [stdout] 6e62e60ec3595f65a9760432b89307bf9a9d26208058144143faa34edac30e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] b017d0951b93de6a292ddaaf488b4e503402d1baf38c483549e5109f4301775e
[INFO] running `Command { std: "docker" "start" "-a" "b017d0951b93de6a292ddaaf488b4e503402d1baf38c483549e5109f4301775e", kill_on_drop: false }`
[INFO] [stderr]    Compiling yambler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "b017d0951b93de6a292ddaaf488b4e503402d1baf38c483549e5109f4301775e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b017d0951b93de6a292ddaaf488b4e503402d1baf38c483549e5109f4301775e", kill_on_drop: false }`
[INFO] [stdout] b017d0951b93de6a292ddaaf488b4e503402d1baf38c483549e5109f4301775e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] c5344926a8c7f0923ead0b43ebab8dab32f6013aac586fe8c1af40696e463fe1
[INFO] running `Command { std: "docker" "start" "-a" "c5344926a8c7f0923ead0b43ebab8dab32f6013aac586fe8c1af40696e463fe1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yambler-4681f3b171b959b1)
[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" "c5344926a8c7f0923ead0b43ebab8dab32f6013aac586fe8c1af40696e463fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5344926a8c7f0923ead0b43ebab8dab32f6013aac586fe8c1af40696e463fe1", kill_on_drop: false }`
[INFO] [stdout] c5344926a8c7f0923ead0b43ebab8dab32f6013aac586fe8c1af40696e463fe1