[INFO] fetching crate perceive 0.1.0...
[INFO] testing perceive-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate perceive 0.1.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate perceive 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 perceive 0.1.0
[INFO] finished tweaking crates.io crate perceive 0.1.0
[INFO] tweaked toml for crates.io crate perceive 0.1.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate perceive 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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 86c9e85e7216dc1c2328a2e20eea0a55c443fe90d23f8e116a3407eeba47d52a
[INFO] running `Command { std: "docker" "start" "-a" "86c9e85e7216dc1c2328a2e20eea0a55c443fe90d23f8e116a3407eeba47d52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86c9e85e7216dc1c2328a2e20eea0a55c443fe90d23f8e116a3407eeba47d52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c9e85e7216dc1c2328a2e20eea0a55c443fe90d23f8e116a3407eeba47d52a", kill_on_drop: false }`
[INFO] [stdout] 86c9e85e7216dc1c2328a2e20eea0a55c443fe90d23f8e116a3407eeba47d52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 76722a04c8e3eed02a2a96ceebc5e84d7e2db0aa3b752cd4b9998f917a51f35b
[INFO] running `Command { std: "docker" "start" "-a" "76722a04c8e3eed02a2a96ceebc5e84d7e2db0aa3b752cd4b9998f917a51f35b", kill_on_drop: false }`
[INFO] [stderr]    Compiling perceive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "76722a04c8e3eed02a2a96ceebc5e84d7e2db0aa3b752cd4b9998f917a51f35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76722a04c8e3eed02a2a96ceebc5e84d7e2db0aa3b752cd4b9998f917a51f35b", kill_on_drop: false }`
[INFO] [stdout] 76722a04c8e3eed02a2a96ceebc5e84d7e2db0aa3b752cd4b9998f917a51f35b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] bff9816cf4a26a124230ff2781eae44de6179507810136c833527e8978e6c692
[INFO] running `Command { std: "docker" "start" "-a" "bff9816cf4a26a124230ff2781eae44de6179507810136c833527e8978e6c692", kill_on_drop: false }`
[INFO] [stderr]    Compiling perceive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bff9816cf4a26a124230ff2781eae44de6179507810136c833527e8978e6c692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff9816cf4a26a124230ff2781eae44de6179507810136c833527e8978e6c692", kill_on_drop: false }`
[INFO] [stdout] bff9816cf4a26a124230ff2781eae44de6179507810136c833527e8978e6c692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] d9b1b68084f4d11e5b780fc02bcfffcc3822761db34529ac60b9ea861974986b
[INFO] running `Command { std: "docker" "start" "-a" "d9b1b68084f4d11e5b780fc02bcfffcc3822761db34529ac60b9ea861974986b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perceive-e4aa694e136a99eb)
[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" "d9b1b68084f4d11e5b780fc02bcfffcc3822761db34529ac60b9ea861974986b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b1b68084f4d11e5b780fc02bcfffcc3822761db34529ac60b9ea861974986b", kill_on_drop: false }`
[INFO] [stdout] d9b1b68084f4d11e5b780fc02bcfffcc3822761db34529ac60b9ea861974986b