[INFO] fetching crate polygamma 0.1.0...
[INFO] testing polygamma-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate polygamma 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate polygamma 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e90bfd14d4f6b620c5dd69a736763d48a0148e4bc6fd60742963a68a64b906
[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" "f3e90bfd14d4f6b620c5dd69a736763d48a0148e4bc6fd60742963a68a64b906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e90bfd14d4f6b620c5dd69a736763d48a0148e4bc6fd60742963a68a64b906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e90bfd14d4f6b620c5dd69a736763d48a0148e4bc6fd60742963a68a64b906", kill_on_drop: false }`
[INFO] [stdout] f3e90bfd14d4f6b620c5dd69a736763d48a0148e4bc6fd60742963a68a64b906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d5a8c9d9b92d8a7d1f82a5fdc908bf74d87de7f365a7f5c8164cacc79f3b43
[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" "91d5a8c9d9b92d8a7d1f82a5fdc908bf74d87de7f365a7f5c8164cacc79f3b43", kill_on_drop: false }`
[INFO] [stderr]    Compiling polygamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "91d5a8c9d9b92d8a7d1f82a5fdc908bf74d87de7f365a7f5c8164cacc79f3b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d5a8c9d9b92d8a7d1f82a5fdc908bf74d87de7f365a7f5c8164cacc79f3b43", kill_on_drop: false }`
[INFO] [stdout] 91d5a8c9d9b92d8a7d1f82a5fdc908bf74d87de7f365a7f5c8164cacc79f3b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] c7f77469b77ef10b19b7fe4b87a547ad136119c0360bc6aa03c4ea17802b688e
[INFO] running `Command { std: "docker" "start" "-a" "c7f77469b77ef10b19b7fe4b87a547ad136119c0360bc6aa03c4ea17802b688e", kill_on_drop: false }`
[INFO] [stderr]    Compiling polygamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "c7f77469b77ef10b19b7fe4b87a547ad136119c0360bc6aa03c4ea17802b688e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f77469b77ef10b19b7fe4b87a547ad136119c0360bc6aa03c4ea17802b688e", kill_on_drop: false }`
[INFO] [stdout] c7f77469b77ef10b19b7fe4b87a547ad136119c0360bc6aa03c4ea17802b688e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc5718b27e7d0352a45e22eeee73eaca35fc38411d15d6c7cc608bd149968783
[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" "cc5718b27e7d0352a45e22eeee73eaca35fc38411d15d6c7cc608bd149968783", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polygamma-dcb19777845482cd
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test polygamma_::tests::trigamma_1 ... ok
[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_3 ... ok
[INFO] [stdout] test polygamma_::tests::trigamma_2 ... ok
[INFO] [stdout] test polygamma_::tests::trigamma_3_2 ... ok
[INFO] [stderr]    Doc-tests polygamma
[INFO] [stdout] test polygamma_::tests::trigamma_1_2 ... ok
[INFO] [stdout] test polygamma_::tests::digamma_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc5718b27e7d0352a45e22eeee73eaca35fc38411d15d6c7cc608bd149968783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5718b27e7d0352a45e22eeee73eaca35fc38411d15d6c7cc608bd149968783", kill_on_drop: false }`
[INFO] [stdout] cc5718b27e7d0352a45e22eeee73eaca35fc38411d15d6c7cc608bd149968783