[INFO] fetching crate io_utils 0.3.2...
[INFO] testing io_utils-0.3.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate io_utils 0.3.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate io_utils 0.3.2 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 io_utils 0.3.2
[INFO] finished tweaking crates.io crate io_utils 0.3.2
[INFO] tweaked toml for crates.io crate io_utils 0.3.2 written to /workspace/builds/worker-15/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] 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] fac34d78b3c7eea02e849eb2ca42a0a8a54f1614995b62c6f2bbe621ea150856
[INFO] running `Command { std: "docker" "start" "-a" "fac34d78b3c7eea02e849eb2ca42a0a8a54f1614995b62c6f2bbe621ea150856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fac34d78b3c7eea02e849eb2ca42a0a8a54f1614995b62c6f2bbe621ea150856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac34d78b3c7eea02e849eb2ca42a0a8a54f1614995b62c6f2bbe621ea150856", kill_on_drop: false }`
[INFO] [stdout] fac34d78b3c7eea02e849eb2ca42a0a8a54f1614995b62c6f2bbe621ea150856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 2030995cb21a52d3415279ac42a037a7ecfdbe174bdec0a16443b67b39a55c5e
[INFO] running `Command { std: "docker" "start" "-a" "2030995cb21a52d3415279ac42a037a7ecfdbe174bdec0a16443b67b39a55c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling permutation v0.2.5
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling vector_utils v0.1.5
[INFO] [stderr]    Compiling string_utils v0.1.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stderr]    Compiling io_utils v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.50s
[INFO] running `Command { std: "docker" "inspect" "2030995cb21a52d3415279ac42a037a7ecfdbe174bdec0a16443b67b39a55c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2030995cb21a52d3415279ac42a037a7ecfdbe174bdec0a16443b67b39a55c5e", kill_on_drop: false }`
[INFO] [stdout] 2030995cb21a52d3415279ac42a037a7ecfdbe174bdec0a16443b67b39a55c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d3e007f59fce518df16fc3c1263e5daec15f8e2aeaf4557cd6d5d2c1c527c112
[INFO] running `Command { std: "docker" "start" "-a" "d3e007f59fce518df16fc3c1263e5daec15f8e2aeaf4557cd6d5d2c1c527c112", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_utils v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d3e007f59fce518df16fc3c1263e5daec15f8e2aeaf4557cd6d5d2c1c527c112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e007f59fce518df16fc3c1263e5daec15f8e2aeaf4557cd6d5d2c1c527c112", kill_on_drop: false }`
[INFO] [stdout] d3e007f59fce518df16fc3c1263e5daec15f8e2aeaf4557cd6d5d2c1c527c112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8ddc2d98b53f123b0c741954e854d73f9adbd673925058139e5436b7eea47d86
[INFO] running `Command { std: "docker" "start" "-a" "8ddc2d98b53f123b0c741954e854d73f9adbd673925058139e5436b7eea47d86", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_utils-eb7c8129c17810ce)
[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] [stderr]    Doc-tests io_utils
[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" "8ddc2d98b53f123b0c741954e854d73f9adbd673925058139e5436b7eea47d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddc2d98b53f123b0c741954e854d73f9adbd673925058139e5436b7eea47d86", kill_on_drop: false }`
[INFO] [stdout] 8ddc2d98b53f123b0c741954e854d73f9adbd673925058139e5436b7eea47d86