[INFO] cloning repository https://github.com/dashaw92/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dashaw92/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashaw92%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashaw92%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 105691af09f18227b6e93012137499e185fe3c05
[INFO] testing dashaw92/rust_test against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashaw92%2Frust_test" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dashaw92/rust_test on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dashaw92/rust_test
[INFO] finished tweaking git repo https://github.com/dashaw92/rust_test
[INFO] tweaked toml for git repo https://github.com/dashaw92/rust_test written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dashaw92/rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61597e8684bcaf2a4b676210465b2614f75c44a392863eaaa6ebbab80f6ed041
[INFO] running `Command { std: "docker" "start" "-a" "61597e8684bcaf2a4b676210465b2614f75c44a392863eaaa6ebbab80f6ed041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61597e8684bcaf2a4b676210465b2614f75c44a392863eaaa6ebbab80f6ed041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61597e8684bcaf2a4b676210465b2614f75c44a392863eaaa6ebbab80f6ed041", kill_on_drop: false }`
[INFO] [stdout] 61597e8684bcaf2a4b676210465b2614f75c44a392863eaaa6ebbab80f6ed041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b86acf1959ff1799940bc7fdeb9a0ed714528f6a8d6e617fefd7906f9ba1a0
[INFO] running `Command { std: "docker" "start" "-a" "77b86acf1959ff1799940bc7fdeb9a0ed714528f6a8d6e617fefd7906f9ba1a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "77b86acf1959ff1799940bc7fdeb9a0ed714528f6a8d6e617fefd7906f9ba1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b86acf1959ff1799940bc7fdeb9a0ed714528f6a8d6e617fefd7906f9ba1a0", kill_on_drop: false }`
[INFO] [stdout] 77b86acf1959ff1799940bc7fdeb9a0ed714528f6a8d6e617fefd7906f9ba1a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20f2355decdfd55c7fe3527f137a5c49c60343259b7ed78589301ab111cbfbc7
[INFO] running `Command { std: "docker" "start" "-a" "20f2355decdfd55c7fe3527f137a5c49c60343259b7ed78589301ab111cbfbc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling closure_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "20f2355decdfd55c7fe3527f137a5c49c60343259b7ed78589301ab111cbfbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f2355decdfd55c7fe3527f137a5c49c60343259b7ed78589301ab111cbfbc7", kill_on_drop: false }`
[INFO] [stdout] 20f2355decdfd55c7fe3527f137a5c49c60343259b7ed78589301ab111cbfbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0cef61779b2670f2a0a2d4dfdbe59ba91169fad9da7ad45373630857e6d6832
[INFO] running `Command { std: "docker" "start" "-a" "b0cef61779b2670f2a0a2d4dfdbe59ba91169fad9da7ad45373630857e6d6832", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closure_playground-58690d926b8011e0)
[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" "b0cef61779b2670f2a0a2d4dfdbe59ba91169fad9da7ad45373630857e6d6832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cef61779b2670f2a0a2d4dfdbe59ba91169fad9da7ad45373630857e6d6832", kill_on_drop: false }`
[INFO] [stdout] b0cef61779b2670f2a0a2d4dfdbe59ba91169fad9da7ad45373630857e6d6832