[INFO] fetching crate liuhatry_threadpool_example 0.1.0...
[INFO] testing liuhatry_threadpool_example-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate liuhatry_threadpool_example 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate liuhatry_threadpool_example 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liuhatry_threadpool_example 0.1.0
[INFO] finished tweaking crates.io crate liuhatry_threadpool_example 0.1.0
[INFO] tweaked toml for crates.io crate liuhatry_threadpool_example 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate liuhatry_threadpool_example 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ce53e119ec47a14b184b4af70ed15cb495defc948919b0eecd4cdaabc58717
[INFO] running `Command { std: "docker" "start" "-a" "53ce53e119ec47a14b184b4af70ed15cb495defc948919b0eecd4cdaabc58717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ce53e119ec47a14b184b4af70ed15cb495defc948919b0eecd4cdaabc58717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ce53e119ec47a14b184b4af70ed15cb495defc948919b0eecd4cdaabc58717", kill_on_drop: false }`
[INFO] [stdout] 53ce53e119ec47a14b184b4af70ed15cb495defc948919b0eecd4cdaabc58717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d9014c72124e63f2ffdbdf4be3034b209aef0c5589db63b027966a630c3aaf
[INFO] running `Command { std: "docker" "start" "-a" "38d9014c72124e63f2ffdbdf4be3034b209aef0c5589db63b027966a630c3aaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling liuhatry_threadpool_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "38d9014c72124e63f2ffdbdf4be3034b209aef0c5589db63b027966a630c3aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d9014c72124e63f2ffdbdf4be3034b209aef0c5589db63b027966a630c3aaf", kill_on_drop: false }`
[INFO] [stdout] 38d9014c72124e63f2ffdbdf4be3034b209aef0c5589db63b027966a630c3aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fbfc2ad09b261229b94acb8b5c4994a1c76d5b140c41e997b4975bc82567096
[INFO] running `Command { std: "docker" "start" "-a" "4fbfc2ad09b261229b94acb8b5c4994a1c76d5b140c41e997b4975bc82567096", kill_on_drop: false }`
[INFO] [stderr]    Compiling liuhatry_threadpool_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4fbfc2ad09b261229b94acb8b5c4994a1c76d5b140c41e997b4975bc82567096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbfc2ad09b261229b94acb8b5c4994a1c76d5b140c41e997b4975bc82567096", kill_on_drop: false }`
[INFO] [stdout] 4fbfc2ad09b261229b94acb8b5c4994a1c76d5b140c41e997b4975bc82567096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7bcddc9cacdd28edd1998c6a39240469f568f2b1eb975576abee026fca70adf
[INFO] running `Command { std: "docker" "start" "-a" "d7bcddc9cacdd28edd1998c6a39240469f568f2b1eb975576abee026fca70adf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liuhatry_threadpool_example-2c081c9642226de1)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-a1af7ae47d0493f3)
[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] [stderr]    Doc-tests liuhatry_threadpool_example
[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" "d7bcddc9cacdd28edd1998c6a39240469f568f2b1eb975576abee026fca70adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bcddc9cacdd28edd1998c6a39240469f568f2b1eb975576abee026fca70adf", kill_on_drop: false }`
[INFO] [stdout] d7bcddc9cacdd28edd1998c6a39240469f568f2b1eb975576abee026fca70adf