[INFO] fetching crate numeric-algs 0.4.1...
[INFO] testing numeric-algs-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate numeric-algs 0.4.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate numeric-algs 0.4.1 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 numeric-algs 0.4.1
[INFO] finished tweaking crates.io crate numeric-algs 0.4.1
[INFO] tweaked toml for crates.io crate numeric-algs 0.4.1 written to /workspace/builds/worker-72/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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 908c4db812e9f746eab931e36e727b708bbec6b2985191c92e1e0d02500b9365
[INFO] running `Command { std: "docker" "start" "-a" "908c4db812e9f746eab931e36e727b708bbec6b2985191c92e1e0d02500b9365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908c4db812e9f746eab931e36e727b708bbec6b2985191c92e1e0d02500b9365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908c4db812e9f746eab931e36e727b708bbec6b2985191c92e1e0d02500b9365", kill_on_drop: false }`
[INFO] [stdout] 908c4db812e9f746eab931e36e727b708bbec6b2985191c92e1e0d02500b9365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 239eff86b0e3e0f88b482da99c6d9c310aebf6908d8137f5ee87a26243388c2c
[INFO] running `Command { std: "docker" "start" "-a" "239eff86b0e3e0f88b482da99c6d9c310aebf6908d8137f5ee87a26243388c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling numeric-algs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "239eff86b0e3e0f88b482da99c6d9c310aebf6908d8137f5ee87a26243388c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239eff86b0e3e0f88b482da99c6d9c310aebf6908d8137f5ee87a26243388c2c", kill_on_drop: false }`
[INFO] [stdout] 239eff86b0e3e0f88b482da99c6d9c310aebf6908d8137f5ee87a26243388c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] c9a91a8c5362fff429999722694d842fe992a56721267004a03667f217a84392
[INFO] running `Command { std: "docker" "start" "-a" "c9a91a8c5362fff429999722694d842fe992a56721267004a03667f217a84392", kill_on_drop: false }`
[INFO] [stderr]    Compiling numeric-algs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "c9a91a8c5362fff429999722694d842fe992a56721267004a03667f217a84392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a91a8c5362fff429999722694d842fe992a56721267004a03667f217a84392", kill_on_drop: false }`
[INFO] [stdout] c9a91a8c5362fff429999722694d842fe992a56721267004a03667f217a84392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 667f13b5dd641f0852fb9fe1a1a9265e402a009745a9b2685ecd2ca6a20523c5
[INFO] running `Command { std: "docker" "start" "-a" "667f13b5dd641f0852fb9fe1a1a9265e402a009745a9b2685ecd2ca6a20523c5", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/numeric_algs-10cbab05e189218f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests numeric_algs
[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" "667f13b5dd641f0852fb9fe1a1a9265e402a009745a9b2685ecd2ca6a20523c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667f13b5dd641f0852fb9fe1a1a9265e402a009745a9b2685ecd2ca6a20523c5", kill_on_drop: false }`
[INFO] [stdout] 667f13b5dd641f0852fb9fe1a1a9265e402a009745a9b2685ecd2ca6a20523c5