[INFO] fetching crate wild_thread_pool 0.4.0...
[INFO] testing wild_thread_pool-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wild_thread_pool 0.4.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate wild_thread_pool 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wild_thread_pool 0.4.0
[INFO] finished tweaking crates.io crate wild_thread_pool 0.4.0
[INFO] tweaked toml for crates.io crate wild_thread_pool 0.4.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2367b8115d12ae26110002fef3346ac4832367428c1239cad2d39654851ec5aa
[INFO] running `Command { std: "docker" "start" "-a" "2367b8115d12ae26110002fef3346ac4832367428c1239cad2d39654851ec5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2367b8115d12ae26110002fef3346ac4832367428c1239cad2d39654851ec5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2367b8115d12ae26110002fef3346ac4832367428c1239cad2d39654851ec5aa", kill_on_drop: false }`
[INFO] [stdout] 2367b8115d12ae26110002fef3346ac4832367428c1239cad2d39654851ec5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5694dd5141b48113e3b169d166a4b73d35ce105f06e8b36c462daf7465647069
[INFO] running `Command { std: "docker" "start" "-a" "5694dd5141b48113e3b169d166a4b73d35ce105f06e8b36c462daf7465647069", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_tryjoin v0.2.1
[INFO] [stderr]    Compiling wild_thread_pool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5694dd5141b48113e3b169d166a4b73d35ce105f06e8b36c462daf7465647069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5694dd5141b48113e3b169d166a4b73d35ce105f06e8b36c462daf7465647069", kill_on_drop: false }`
[INFO] [stdout] 5694dd5141b48113e3b169d166a4b73d35ce105f06e8b36c462daf7465647069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4809d72ba320fe99d06339ac9cf451578cae29a021f8cd9baae40e1ed724b2d9
[INFO] running `Command { std: "docker" "start" "-a" "4809d72ba320fe99d06339ac9cf451578cae29a021f8cd9baae40e1ed724b2d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling closer v0.1.2
[INFO] [stderr]    Compiling wild_thread_pool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "4809d72ba320fe99d06339ac9cf451578cae29a021f8cd9baae40e1ed724b2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4809d72ba320fe99d06339ac9cf451578cae29a021f8cd9baae40e1ed724b2d9", kill_on_drop: false }`
[INFO] [stdout] 4809d72ba320fe99d06339ac9cf451578cae29a021f8cd9baae40e1ed724b2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36b8523c6da555e736b308c181c002ea03cb23815eb412372520203976fb72ec
[INFO] running `Command { std: "docker" "start" "-a" "36b8523c6da555e736b308c181c002ea03cb23815eb412372520203976fb72ec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wild_thread_pool-f3c4f6da743ecc73)
[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 wild_thread_pool
[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" "36b8523c6da555e736b308c181c002ea03cb23815eb412372520203976fb72ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b8523c6da555e736b308c181c002ea03cb23815eb412372520203976fb72ec", kill_on_drop: false }`
[INFO] [stdout] 36b8523c6da555e736b308c181c002ea03cb23815eb412372520203976fb72ec