[INFO] cloning repository https://github.com/marcusradell/lab_fractions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcusradell/lab_fractions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusradell%2Flab_fractions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusradell%2Flab_fractions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a12f367fafdccab818dfd34e851cfaed6a19494
[INFO] testing marcusradell/lab_fractions against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusradell%2Flab_fractions" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcusradell/lab_fractions 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 git repo https://github.com/marcusradell/lab_fractions
[INFO] finished tweaking git repo https://github.com/marcusradell/lab_fractions
[INFO] tweaked toml for git repo https://github.com/marcusradell/lab_fractions written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/marcusradell/lab_fractions 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4a2061755abb2e6c0851fc8b7c0315cdefdf133481e37bbaff4a18977c0fe9c1
[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" "4a2061755abb2e6c0851fc8b7c0315cdefdf133481e37bbaff4a18977c0fe9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2061755abb2e6c0851fc8b7c0315cdefdf133481e37bbaff4a18977c0fe9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2061755abb2e6c0851fc8b7c0315cdefdf133481e37bbaff4a18977c0fe9c1", kill_on_drop: false }`
[INFO] [stdout] 4a2061755abb2e6c0851fc8b7c0315cdefdf133481e37bbaff4a18977c0fe9c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 955c9b90c34afdefcd2e07dcddd0ef497b7c18b01388986d4f49d21837e547b0
[INFO] running `Command { std: "docker" "start" "-a" "955c9b90c34afdefcd2e07dcddd0ef497b7c18b01388986d4f49d21837e547b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab_fractions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "955c9b90c34afdefcd2e07dcddd0ef497b7c18b01388986d4f49d21837e547b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955c9b90c34afdefcd2e07dcddd0ef497b7c18b01388986d4f49d21837e547b0", kill_on_drop: false }`
[INFO] [stdout] 955c9b90c34afdefcd2e07dcddd0ef497b7c18b01388986d4f49d21837e547b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 717af551d65f1595b4853b5cd3784ba02084cd3f2fff01d67e03b6d9a98c605d
[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" "717af551d65f1595b4853b5cd3784ba02084cd3f2fff01d67e03b6d9a98c605d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab_fractions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "717af551d65f1595b4853b5cd3784ba02084cd3f2fff01d67e03b6d9a98c605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717af551d65f1595b4853b5cd3784ba02084cd3f2fff01d67e03b6d9a98c605d", kill_on_drop: false }`
[INFO] [stdout] 717af551d65f1595b4853b5cd3784ba02084cd3f2fff01d67e03b6d9a98c605d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b7be7182c28ee44eb5ad70339991b7a4c78a8523ee83ebfe85f32fdcb9d59c9
[INFO] running `Command { std: "docker" "start" "-a" "8b7be7182c28ee44eb5ad70339991b7a4c78a8523ee83ebfe85f32fdcb9d59c9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lab_fractions-7af2083e93a40035)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test math::equals_test::tests::whole_number_equals_same_fraction ... ok
[INFO] [stdout] test math::equals_test::tests::whole_numbers_not_equal ... ok
[INFO] [stdout] test math::fractions_test::tests::add_zero_to_zero ... ok
[INFO] [stdout] test math::fractions_test::tests::common_factor_in_denominators ... ok
[INFO] [stdout] test math::fractions_test::tests::different_denominators_no_reduction ... ok
[INFO] [stdout] test math::fractions_test::tests::denominator_multiple_of_other ... ok
[INFO] [stdout] test math::fractions_test::tests::non_trivial_denominator ... ok
[INFO] [stdout] test math::fractions_test::tests::non_zero_integers ... ok
[INFO] [stdout] test math::fractions_test::tests::reduce_result_to_whole_number ... ok
[INFO] [stdout] test math::gcd::tests::common_factor ... ok
[INFO] [stdout] test math::fractions_test::tests::reduce_result_when_denominators_are_equal ... ok
[INFO] [stdout] test math::gcd::tests::negatives ... ok
[INFO] [stdout] test math::gcd::tests::one_is_multiple_of_the_other ... ok
[INFO] [stdout] test math::gcd::tests::reflexive ... ok
[INFO] [stdout] test math::gcd::tests::zero ... ok
[INFO] [stdout] test math::reduce_test::tests::already_in_lowest_terms ... ok
[INFO] [stdout] test math::reduce_test::tests::reduce_to_not_whole_numbers ... ok
[INFO] [stdout] test math::reduce_test::tests::reduce_to_whole_numbers ... ok
[INFO] [stdout] test math::gcd::tests::relatively_prime ... ok
[INFO] [stdout] test math::equals_test::tests::same_numerator_and_denominator ... ok
[INFO] [stdout] test math::equals_test::tests::negative_denominator ... ok
[INFO] [stdout] test math::fractions_test::tests::add_zero_to_non_zero ... ok
[INFO] [stdout] test math::fractions_test::tests::add_non_zero_to_zero ... ok
[INFO] [stdout] test math::equals_test::tests::different_denominators ... ok
[INFO] [stdout] test math::fractions_test::tests::negative_fraction_and_reducing ... ok
[INFO] [stdout] test math::reduce_test::tests::reduce_zero ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lab_fractions-891bd1aae40cadbf)
[INFO] [stdout] test math::equals_test::tests::different_numerators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lab_fractions
[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] [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" "8b7be7182c28ee44eb5ad70339991b7a4c78a8523ee83ebfe85f32fdcb9d59c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7be7182c28ee44eb5ad70339991b7a4c78a8523ee83ebfe85f32fdcb9d59c9", kill_on_drop: false }`
[INFO] [stdout] 8b7be7182c28ee44eb5ad70339991b7a4c78a8523ee83ebfe85f32fdcb9d59c9