[INFO] fetching crate mei 0.2.1...
[INFO] testing mei-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mei 0.2.1 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate mei 0.2.1 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 mei 0.2.1
[INFO] finished tweaking crates.io crate mei 0.2.1
[INFO] tweaked toml for crates.io crate mei 0.2.1 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate crates.io crate mei 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 05209c8e0969c7ad7ebc30dc4744230a83493d2fcaa1aae0a6506c944e8b4566
[INFO] running `Command { std: "docker" "start" "-a" "05209c8e0969c7ad7ebc30dc4744230a83493d2fcaa1aae0a6506c944e8b4566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05209c8e0969c7ad7ebc30dc4744230a83493d2fcaa1aae0a6506c944e8b4566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05209c8e0969c7ad7ebc30dc4744230a83493d2fcaa1aae0a6506c944e8b4566", kill_on_drop: false }`
[INFO] [stdout] 05209c8e0969c7ad7ebc30dc4744230a83493d2fcaa1aae0a6506c944e8b4566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] cd179f80b3b753b3e9b97ab81245b4201e2f1427477ca67d3e45c3cb3d471b59
[INFO] running `Command { std: "docker" "start" "-a" "cd179f80b3b753b3e9b97ab81245b4201e2f1427477ca67d3e45c3cb3d471b59", kill_on_drop: false }`
[INFO] [stderr]    Compiling mei v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "cd179f80b3b753b3e9b97ab81245b4201e2f1427477ca67d3e45c3cb3d471b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd179f80b3b753b3e9b97ab81245b4201e2f1427477ca67d3e45c3cb3d471b59", kill_on_drop: false }`
[INFO] [stdout] cd179f80b3b753b3e9b97ab81245b4201e2f1427477ca67d3e45c3cb3d471b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 5662feb9def4418e24edafe3fc0b905220646f619278a0d9d2de83290dd2f39d
[INFO] running `Command { std: "docker" "start" "-a" "5662feb9def4418e24edafe3fc0b905220646f619278a0d9d2de83290dd2f39d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mei v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "5662feb9def4418e24edafe3fc0b905220646f619278a0d9d2de83290dd2f39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5662feb9def4418e24edafe3fc0b905220646f619278a0d9d2de83290dd2f39d", kill_on_drop: false }`
[INFO] [stdout] 5662feb9def4418e24edafe3fc0b905220646f619278a0d9d2de83290dd2f39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 5e2cb1c1fe069ac248d72adff960da2f80848cf723307b48ca00074e3a2107b3
[INFO] running `Command { std: "docker" "start" "-a" "5e2cb1c1fe069ac248d72adff960da2f80848cf723307b48ca00074e3a2107b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mei-f15207e52056ec48)
[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" "5e2cb1c1fe069ac248d72adff960da2f80848cf723307b48ca00074e3a2107b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2cb1c1fe069ac248d72adff960da2f80848cf723307b48ca00074e3a2107b3", kill_on_drop: false }`
[INFO] [stdout] 5e2cb1c1fe069ac248d72adff960da2f80848cf723307b48ca00074e3a2107b3