[INFO] fetching crate par 0.0.0...
[INFO] testing par-0.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate par 0.0.0 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate par 0.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate par 0.0.0
[INFO] finished tweaking crates.io crate par 0.0.0
[INFO] tweaked toml for crates.io crate par 0.0.0 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a40c9216e0a1d87aa1c3d3a81c044680ae28cd6e38312ed91399021c6186750
[INFO] running `Command { std: "docker" "start" "-a" "9a40c9216e0a1d87aa1c3d3a81c044680ae28cd6e38312ed91399021c6186750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a40c9216e0a1d87aa1c3d3a81c044680ae28cd6e38312ed91399021c6186750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a40c9216e0a1d87aa1c3d3a81c044680ae28cd6e38312ed91399021c6186750", kill_on_drop: false }`
[INFO] [stdout] 9a40c9216e0a1d87aa1c3d3a81c044680ae28cd6e38312ed91399021c6186750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06ba43dd84075980132cea1d377e08aa53edc9c8eaa92ac047fdf10acf2ba705
[INFO] running `Command { std: "docker" "start" "-a" "06ba43dd84075980132cea1d377e08aa53edc9c8eaa92ac047fdf10acf2ba705", kill_on_drop: false }`
[INFO] [stderr]    Compiling par v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "06ba43dd84075980132cea1d377e08aa53edc9c8eaa92ac047fdf10acf2ba705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ba43dd84075980132cea1d377e08aa53edc9c8eaa92ac047fdf10acf2ba705", kill_on_drop: false }`
[INFO] [stdout] 06ba43dd84075980132cea1d377e08aa53edc9c8eaa92ac047fdf10acf2ba705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7328b0159eb9c72edc2f04c8cf2382073108a988e303fc16cf7e8cc2f2b6db
[INFO] running `Command { std: "docker" "start" "-a" "5c7328b0159eb9c72edc2f04c8cf2382073108a988e303fc16cf7e8cc2f2b6db", kill_on_drop: false }`
[INFO] [stderr]    Compiling par v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "5c7328b0159eb9c72edc2f04c8cf2382073108a988e303fc16cf7e8cc2f2b6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7328b0159eb9c72edc2f04c8cf2382073108a988e303fc16cf7e8cc2f2b6db", kill_on_drop: false }`
[INFO] [stdout] 5c7328b0159eb9c72edc2f04c8cf2382073108a988e303fc16cf7e8cc2f2b6db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8db365d56ca4b0eed6b270eafccd4e80d696487f3709584aef1a6050d5fb15a
[INFO] running `Command { std: "docker" "start" "-a" "b8db365d56ca4b0eed6b270eafccd4e80d696487f3709584aef1a6050d5fb15a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/par-31766b253fc446c5)
[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" "b8db365d56ca4b0eed6b270eafccd4e80d696487f3709584aef1a6050d5fb15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8db365d56ca4b0eed6b270eafccd4e80d696487f3709584aef1a6050d5fb15a", kill_on_drop: false }`
[INFO] [stdout] b8db365d56ca4b0eed6b270eafccd4e80d696487f3709584aef1a6050d5fb15a