[INFO] fetching crate polygamma 0.1.0...
[INFO] testing polygamma-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate polygamma 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate polygamma 0.1.0 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 polygamma 0.1.0
[INFO] finished tweaking crates.io crate polygamma 0.1.0
[INFO] tweaked toml for crates.io crate polygamma 0.1.0 written to /workspace/builds/worker-31/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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] db05e759677d69e6c6fdd6ba93fc6db3e20e55a04a04298c9194d3d781e410c1
[INFO] running `Command { std: "docker" "start" "-a" "db05e759677d69e6c6fdd6ba93fc6db3e20e55a04a04298c9194d3d781e410c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db05e759677d69e6c6fdd6ba93fc6db3e20e55a04a04298c9194d3d781e410c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db05e759677d69e6c6fdd6ba93fc6db3e20e55a04a04298c9194d3d781e410c1", kill_on_drop: false }`
[INFO] [stdout] db05e759677d69e6c6fdd6ba93fc6db3e20e55a04a04298c9194d3d781e410c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 081b8108e4ef23f49c6a59fae421005e678c9e0e1145812e521f2fee393c45d8
[INFO] running `Command { std: "docker" "start" "-a" "081b8108e4ef23f49c6a59fae421005e678c9e0e1145812e521f2fee393c45d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling polygamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "081b8108e4ef23f49c6a59fae421005e678c9e0e1145812e521f2fee393c45d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081b8108e4ef23f49c6a59fae421005e678c9e0e1145812e521f2fee393c45d8", kill_on_drop: false }`
[INFO] [stdout] 081b8108e4ef23f49c6a59fae421005e678c9e0e1145812e521f2fee393c45d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 227cdabcae80d87b1b345653fd6857e2fb4738687d0a22518edcfc8cb83b958a
[INFO] running `Command { std: "docker" "start" "-a" "227cdabcae80d87b1b345653fd6857e2fb4738687d0a22518edcfc8cb83b958a", kill_on_drop: false }`
[INFO] [stderr]    Compiling polygamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "227cdabcae80d87b1b345653fd6857e2fb4738687d0a22518edcfc8cb83b958a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227cdabcae80d87b1b345653fd6857e2fb4738687d0a22518edcfc8cb83b958a", kill_on_drop: false }`
[INFO] [stdout] 227cdabcae80d87b1b345653fd6857e2fb4738687d0a22518edcfc8cb83b958a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 21144ba1078150ba01b6901c57c6db44433f5bac87d12b2f1373fcb865f2e31b
[INFO] running `Command { std: "docker" "start" "-a" "21144ba1078150ba01b6901c57c6db44433f5bac87d12b2f1373fcb865f2e31b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polygamma-1aedd624fe016388)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test polygamma_::tests::digamma_1 ... ok
[INFO] [stdout] test polygamma_::tests::digamma_1_2 ... ok
[INFO] [stdout] test polygamma_::tests::digamma_2 ... ok
[INFO] [stdout] test polygamma_::tests::digamma_4 ... ok
[INFO] [stdout] test polygamma_::tests::digamma_3 ... ok
[INFO] [stdout] test polygamma_::tests::trigamma_1 ... ok
[INFO] [stdout] test polygamma_::tests::trigamma_1_2 ... ok
[INFO] [stdout] test polygamma_::tests::trigamma_2 ... ok
[INFO] [stdout] test polygamma_::tests::trigamma_3_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polygamma
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21144ba1078150ba01b6901c57c6db44433f5bac87d12b2f1373fcb865f2e31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21144ba1078150ba01b6901c57c6db44433f5bac87d12b2f1373fcb865f2e31b", kill_on_drop: false }`
[INFO] [stdout] 21144ba1078150ba01b6901c57c6db44433f5bac87d12b2f1373fcb865f2e31b