[INFO] cloning repository https://github.com/HodongMan/rust-thread-prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HodongMan/rust-thread-prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHodongMan%2Frust-thread-prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHodongMan%2Frust-thread-prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 804345b96761abd2b338ece6e3c3bc38eb6a2d1b
[INFO] testing HodongMan/rust-thread-prac against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHodongMan%2Frust-thread-prac" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HodongMan/rust-thread-prac on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HodongMan/rust-thread-prac
[INFO] finished tweaking git repo https://github.com/HodongMan/rust-thread-prac
[INFO] tweaked toml for git repo https://github.com/HodongMan/rust-thread-prac written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/HodongMan/rust-thread-prac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2af43eba80449baf31e0ab4826bbc426cd9de500a722aafdb4b2573a9e45e1af
[INFO] running `Command { std: "docker" "start" "-a" "2af43eba80449baf31e0ab4826bbc426cd9de500a722aafdb4b2573a9e45e1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af43eba80449baf31e0ab4826bbc426cd9de500a722aafdb4b2573a9e45e1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af43eba80449baf31e0ab4826bbc426cd9de500a722aafdb4b2573a9e45e1af", kill_on_drop: false }`
[INFO] [stdout] 2af43eba80449baf31e0ab4826bbc426cd9de500a722aafdb4b2573a9e45e1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5415b8cd14cbc54c6bdd991a57f0d18948a6da4a8492bc5847813ec4ac976c63
[INFO] running `Command { std: "docker" "start" "-a" "5415b8cd14cbc54c6bdd991a57f0d18948a6da4a8492bc5847813ec4ac976c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "5415b8cd14cbc54c6bdd991a57f0d18948a6da4a8492bc5847813ec4ac976c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5415b8cd14cbc54c6bdd991a57f0d18948a6da4a8492bc5847813ec4ac976c63", kill_on_drop: false }`
[INFO] [stdout] 5415b8cd14cbc54c6bdd991a57f0d18948a6da4a8492bc5847813ec4ac976c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9b840dc5d6d2c407a4541a0895b23382f22db919f24b235be2dc46146373a7
[INFO] running `Command { std: "docker" "start" "-a" "8c9b840dc5d6d2c407a4541a0895b23382f22db919f24b235be2dc46146373a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8c9b840dc5d6d2c407a4541a0895b23382f22db919f24b235be2dc46146373a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9b840dc5d6d2c407a4541a0895b23382f22db919f24b235be2dc46146373a7", kill_on_drop: false }`
[INFO] [stdout] 8c9b840dc5d6d2c407a4541a0895b23382f22db919f24b235be2dc46146373a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49083d25ecf645003749cae02a1177db6593962a4e6e1a662ee577b32fbff1b4
[INFO] running `Command { std: "docker" "start" "-a" "49083d25ecf645003749cae02a1177db6593962a4e6e1a662ee577b32fbff1b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_thread-63381e8db31b06c5)
[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" "49083d25ecf645003749cae02a1177db6593962a4e6e1a662ee577b32fbff1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49083d25ecf645003749cae02a1177db6593962a4e6e1a662ee577b32fbff1b4", kill_on_drop: false }`
[INFO] [stdout] 49083d25ecf645003749cae02a1177db6593962a4e6e1a662ee577b32fbff1b4