[INFO] fetching crate rational 1.0.0...
[INFO] testing rational-1.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rational 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rational 1.0.0 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 crates.io crate rational 1.0.0
[INFO] finished tweaking crates.io crate rational 1.0.0
[INFO] tweaked toml for crates.io crate rational 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rational 1.0.0 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 556f6e776d629c1de07aa4ad9b735a86b268bcdfb129560eeab99b7b395398a2
[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" "556f6e776d629c1de07aa4ad9b735a86b268bcdfb129560eeab99b7b395398a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556f6e776d629c1de07aa4ad9b735a86b268bcdfb129560eeab99b7b395398a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556f6e776d629c1de07aa4ad9b735a86b268bcdfb129560eeab99b7b395398a2", kill_on_drop: false }`
[INFO] [stdout] 556f6e776d629c1de07aa4ad9b735a86b268bcdfb129560eeab99b7b395398a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 67c9c67493530c6c79b39b161d157ed275da857b377b8303942f772f06709e58
[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" "67c9c67493530c6c79b39b161d157ed275da857b377b8303942f772f06709e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling rational v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "67c9c67493530c6c79b39b161d157ed275da857b377b8303942f772f06709e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c9c67493530c6c79b39b161d157ed275da857b377b8303942f772f06709e58", kill_on_drop: false }`
[INFO] [stdout] 67c9c67493530c6c79b39b161d157ed275da857b377b8303942f772f06709e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c7e3c23ba4ec13180c2a3801f418e0126091316276e38d371b6480f67a54ebc2
[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" "c7e3c23ba4ec13180c2a3801f418e0126091316276e38d371b6480f67a54ebc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rational v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "c7e3c23ba4ec13180c2a3801f418e0126091316276e38d371b6480f67a54ebc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e3c23ba4ec13180c2a3801f418e0126091316276e38d371b6480f67a54ebc2", kill_on_drop: false }`
[INFO] [stdout] c7e3c23ba4ec13180c2a3801f418e0126091316276e38d371b6480f67a54ebc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 2fda79d6ccdf8489bd42ceb55131f492dd4ae057e790e2f0521f1f2b8f66a1d4
[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" "2fda79d6ccdf8489bd42ceb55131f492dd4ae057e790e2f0521f1f2b8f66a1d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rational-80d0984ba6bd529f)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test extras::tests::continued_fraction_iter_test ... ok
[INFO] [stdout] test extras::tests::gcd_test ... ok
[INFO] [stdout] test tests::ctor_test ... ok
[INFO] [stdout] test tests::equality_test ... ok
[INFO] [stdout] test tests::from_mixed_test ... ok
[INFO] [stdout] test tests::hash_test ... ok
[INFO] [stdout] test ops::tests::sub_test ... ok
[INFO] [stdout] test extras::tests::repeated_test ... ok
[INFO] [stdout] test ops::tests::sub_assign_test ... ok
[INFO] [stdout] test tests::mixed_fraction_test ... ok
[INFO] [stdout] test ops::tests::negation_test ... ok
[INFO] [stdout] test tests::pow_test ... ok
[INFO] [stdout] test ops::tests::multiplication_test ... ok
[INFO] [stdout] test tests::set_denominator_test ... ok
[INFO] [stdout] test tests::readme_test ... ok
[INFO] [stdout] test tests::set_numerator_test ... ok
[INFO] [stdout] test tests::tuple_from_rational_test ... ok
[INFO] [stdout] test ops::tests::division_test ... ok
[INFO] [stderr]    Doc-tests rational
[INFO] [stdout] test ops::tests::add_test ... ok
[INFO] [stdout] test tests::inverse_test ... ok
[INFO] [stdout] test ops::tests::add_assign_test ... ok
[INFO] [stdout] test tests::ordering_test ... ok
[INFO] [stdout] test ops::tests::rem_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - Rational::integer (line 82) ... ok
[INFO] [stdout] test src/extras.rs - extras::continued_fraction (line 48) ... ok
[INFO] [stdout] test src/extras.rs - extras::r (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Rational::set_denominator (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Rational::mixed_fraction (line 267) ... ok
[INFO] [stdout] test src/lib.rs - Rational::is_integer (line 238) ... ok
[INFO] [stdout] test src/lib.rs - Rational::from_mixed (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Rational::set_numerator (line 115) ... ok
[INFO] [stdout] test src/lib.rs - Rational::is_negative (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Rational::denominator (line 129) ... ok
[INFO] [stdout] test src/lib.rs - Rational::pow (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Rational::numerator (line 103) ... ok
[INFO] [stdout] test src/extras.rs - extras::gcd (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fda79d6ccdf8489bd42ceb55131f492dd4ae057e790e2f0521f1f2b8f66a1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fda79d6ccdf8489bd42ceb55131f492dd4ae057e790e2f0521f1f2b8f66a1d4", kill_on_drop: false }`
[INFO] [stdout] 2fda79d6ccdf8489bd42ceb55131f492dd4ae057e790e2f0521f1f2b8f66a1d4