[INFO] fetching crate towel 0.1.0...
[INFO] testing towel-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate towel 0.1.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate towel 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate towel 0.1.0
[INFO] finished tweaking crates.io crate towel 0.1.0
[INFO] tweaked toml for crates.io crate towel 0.1.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96da594280a4817825fd67148630b64b72fd0058357d6e6fb25ef7a481e5fdb1
[INFO] running `Command { std: "docker" "start" "-a" "96da594280a4817825fd67148630b64b72fd0058357d6e6fb25ef7a481e5fdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96da594280a4817825fd67148630b64b72fd0058357d6e6fb25ef7a481e5fdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96da594280a4817825fd67148630b64b72fd0058357d6e6fb25ef7a481e5fdb1", kill_on_drop: false }`
[INFO] [stdout] 96da594280a4817825fd67148630b64b72fd0058357d6e6fb25ef7a481e5fdb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c28c82b2e45461063d3d9d7e4a68d50cc6e7c71e14cc61b490e686e7df82aa
[INFO] running `Command { std: "docker" "start" "-a" "23c28c82b2e45461063d3d9d7e4a68d50cc6e7c71e14cc61b490e686e7df82aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling towel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "23c28c82b2e45461063d3d9d7e4a68d50cc6e7c71e14cc61b490e686e7df82aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c28c82b2e45461063d3d9d7e4a68d50cc6e7c71e14cc61b490e686e7df82aa", kill_on_drop: false }`
[INFO] [stdout] 23c28c82b2e45461063d3d9d7e4a68d50cc6e7c71e14cc61b490e686e7df82aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e57dbdee3fa8542b7b749e1f2013a161cec2203c936105ad6a73642533532b75
[INFO] running `Command { std: "docker" "start" "-a" "e57dbdee3fa8542b7b749e1f2013a161cec2203c936105ad6a73642533532b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling towel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "e57dbdee3fa8542b7b749e1f2013a161cec2203c936105ad6a73642533532b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57dbdee3fa8542b7b749e1f2013a161cec2203c936105ad6a73642533532b75", kill_on_drop: false }`
[INFO] [stdout] e57dbdee3fa8542b7b749e1f2013a161cec2203c936105ad6a73642533532b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c94fc23c7aca63d864e1e438b76bf1b3748cf656b60ea0eb6a14c376cca65e6
[INFO] running `Command { std: "docker" "start" "-a" "9c94fc23c7aca63d864e1e438b76bf1b3748cf656b60ea0eb6a14c376cca65e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/towel-dbab222ac32381c5)
[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" "9c94fc23c7aca63d864e1e438b76bf1b3748cf656b60ea0eb6a14c376cca65e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c94fc23c7aca63d864e1e438b76bf1b3748cf656b60ea0eb6a14c376cca65e6", kill_on_drop: false }`
[INFO] [stdout] 9c94fc23c7aca63d864e1e438b76bf1b3748cf656b60ea0eb6a14c376cca65e6