[INFO] fetching crate mill 0.1.0...
[INFO] testing mill-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mill 0.1.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate mill 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mill 0.1.0
[INFO] finished tweaking crates.io crate mill 0.1.0
[INFO] tweaked toml for crates.io crate mill 0.1.0 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate mill 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d0a1f93b36d303c7ed20f6fab32e7f8f2ba1430c37087358e74e8991fcb982f
[INFO] running `Command { std: "docker" "start" "-a" "0d0a1f93b36d303c7ed20f6fab32e7f8f2ba1430c37087358e74e8991fcb982f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d0a1f93b36d303c7ed20f6fab32e7f8f2ba1430c37087358e74e8991fcb982f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0a1f93b36d303c7ed20f6fab32e7f8f2ba1430c37087358e74e8991fcb982f", kill_on_drop: false }`
[INFO] [stdout] 0d0a1f93b36d303c7ed20f6fab32e7f8f2ba1430c37087358e74e8991fcb982f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee621db8f0432cf2c4df4055ee86a70cd7bbf40f9607e7a9196f1b848e4b6bf3
[INFO] running `Command { std: "docker" "start" "-a" "ee621db8f0432cf2c4df4055ee86a70cd7bbf40f9607e7a9196f1b848e4b6bf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mill_core v0.1.0
[INFO] [stderr]    Compiling mill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "ee621db8f0432cf2c4df4055ee86a70cd7bbf40f9607e7a9196f1b848e4b6bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee621db8f0432cf2c4df4055ee86a70cd7bbf40f9607e7a9196f1b848e4b6bf3", kill_on_drop: false }`
[INFO] [stdout] ee621db8f0432cf2c4df4055ee86a70cd7bbf40f9607e7a9196f1b848e4b6bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31db0730597d07144e922c020afb2ad42e9fd76e4f874667a4b24797c37e2971
[INFO] running `Command { std: "docker" "start" "-a" "31db0730597d07144e922c020afb2ad42e9fd76e4f874667a4b24797c37e2971", kill_on_drop: false }`
[INFO] [stderr]    Compiling mill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "31db0730597d07144e922c020afb2ad42e9fd76e4f874667a4b24797c37e2971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31db0730597d07144e922c020afb2ad42e9fd76e4f874667a4b24797c37e2971", kill_on_drop: false }`
[INFO] [stdout] 31db0730597d07144e922c020afb2ad42e9fd76e4f874667a4b24797c37e2971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b416c52b87950cae8d086f8a225a36771425d44c80e51c608907e03a76357dac
[INFO] running `Command { std: "docker" "start" "-a" "b416c52b87950cae8d086f8a225a36771425d44c80e51c608907e03a76357dac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mill-4a1c88636a1428f3)
[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" "b416c52b87950cae8d086f8a225a36771425d44c80e51c608907e03a76357dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b416c52b87950cae8d086f8a225a36771425d44c80e51c608907e03a76357dac", kill_on_drop: false }`
[INFO] [stdout] b416c52b87950cae8d086f8a225a36771425d44c80e51c608907e03a76357dac