[INFO] cloning repository https://github.com/hrd2019/thread_pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hrd2019/thread_pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrd2019%2Fthread_pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrd2019%2Fthread_pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bbaa74e3500a65b0b5920d1411f2342142b7a6b
[INFO] testing hrd2019/thread_pool against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrd2019%2Fthread_pool" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hrd2019/thread_pool on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hrd2019/thread_pool
[INFO] finished tweaking git repo https://github.com/hrd2019/thread_pool
[INFO] tweaked toml for git repo https://github.com/hrd2019/thread_pool written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hrd2019/thread_pool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6913ecd42c418b930c9a28c0fb81ce984b457fa70af9249d1e84d5281df23146
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6913ecd42c418b930c9a28c0fb81ce984b457fa70af9249d1e84d5281df23146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6913ecd42c418b930c9a28c0fb81ce984b457fa70af9249d1e84d5281df23146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6913ecd42c418b930c9a28c0fb81ce984b457fa70af9249d1e84d5281df23146", kill_on_drop: false }`
[INFO] [stdout] 6913ecd42c418b930c9a28c0fb81ce984b457fa70af9249d1e84d5281df23146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94e059ba28621036af863b0bebc9a497cf155642fe0698f20084b70c8172977e
[INFO] running `Command { std: "docker" "start" "-a" "94e059ba28621036af863b0bebc9a497cf155642fe0698f20084b70c8172977e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]    Compiling iso8601 v0.1.1
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]    Compiling datetime v0.4.7
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling thread_pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.90s
[INFO] running `Command { std: "docker" "inspect" "94e059ba28621036af863b0bebc9a497cf155642fe0698f20084b70c8172977e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e059ba28621036af863b0bebc9a497cf155642fe0698f20084b70c8172977e", kill_on_drop: false }`
[INFO] [stdout] 94e059ba28621036af863b0bebc9a497cf155642fe0698f20084b70c8172977e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0dc697e79c915b458e0fc66e2ebcea5bb784ea090869549c44832c186a37d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef0dc697e79c915b458e0fc66e2ebcea5bb784ea090869549c44832c186a37d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "ef0dc697e79c915b458e0fc66e2ebcea5bb784ea090869549c44832c186a37d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0dc697e79c915b458e0fc66e2ebcea5bb784ea090869549c44832c186a37d4", kill_on_drop: false }`
[INFO] [stdout] ef0dc697e79c915b458e0fc66e2ebcea5bb784ea090869549c44832c186a37d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 565395ccc056e6dd38ef42aa65c69292f95b067829095c0fb165ebb3eeb633e8
[INFO] running `Command { std: "docker" "start" "-a" "565395ccc056e6dd38ef42aa65c69292f95b067829095c0fb165ebb3eeb633e8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thread_pool-8a53a3c2e8a51bed)
[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/thread_pool-c82a7e8934be04a6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thread_pool
[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] [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" "565395ccc056e6dd38ef42aa65c69292f95b067829095c0fb165ebb3eeb633e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565395ccc056e6dd38ef42aa65c69292f95b067829095c0fb165ebb3eeb633e8", kill_on_drop: false }`
[INFO] [stdout] 565395ccc056e6dd38ef42aa65c69292f95b067829095c0fb165ebb3eeb633e8