[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] 6492bea39135f8f93419a700d9969fd89a34c2e2
[INFO] testing marcusradell/lab_fractions against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusradell%2Flab_fractions" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcusradell/lab_fractions on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-15/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dcd7afec143d22748cb6139d549d5a15efabf345f008cf71dc048f48559121b
[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" "1dcd7afec143d22748cb6139d549d5a15efabf345f008cf71dc048f48559121b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dcd7afec143d22748cb6139d549d5a15efabf345f008cf71dc048f48559121b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcd7afec143d22748cb6139d549d5a15efabf345f008cf71dc048f48559121b", kill_on_drop: false }`
[INFO] [stdout] 1dcd7afec143d22748cb6139d549d5a15efabf345f008cf71dc048f48559121b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c51dc8f9acbcb772b5db56e872c11faefed9526b6dcd7aa577163368685e19
[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" "48c51dc8f9acbcb772b5db56e872c11faefed9526b6dcd7aa577163368685e19", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab_fractions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "48c51dc8f9acbcb772b5db56e872c11faefed9526b6dcd7aa577163368685e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c51dc8f9acbcb772b5db56e872c11faefed9526b6dcd7aa577163368685e19", kill_on_drop: false }`
[INFO] [stdout] 48c51dc8f9acbcb772b5db56e872c11faefed9526b6dcd7aa577163368685e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f86024f3688233494d81cd1370da74f6c0870309fef7e45c580ffc29e90b660
[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" "4f86024f3688233494d81cd1370da74f6c0870309fef7e45c580ffc29e90b660", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lab_fractions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "4f86024f3688233494d81cd1370da74f6c0870309fef7e45c580ffc29e90b660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f86024f3688233494d81cd1370da74f6c0870309fef7e45c580ffc29e90b660", kill_on_drop: false }`
[INFO] [stdout] 4f86024f3688233494d81cd1370da74f6c0870309fef7e45c580ffc29e90b660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afb95bf159f5965ac777aa065ff709fda67ca8f1e5cffd60263dbd0e02df2728
[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" "afb95bf159f5965ac777aa065ff709fda67ca8f1e5cffd60263dbd0e02df2728", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lab_fractions-e80c0f6a14e20a76)
[INFO] [stdout] test math::equals_test::tests::different_denominators ... ok
[INFO] [stdout] test math::equals_test::tests::different_numerators ... ok
[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_non_zero_to_zero ... ok
[INFO] [stdout] test math::fractions_test::tests::add_zero_to_non_zero ... 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::equals_test::tests::same_numerator_and_denominator ... ok
[INFO] [stdout] test math::fractions_test::tests::add_zero_to_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lab_fractions-00ecf83dc06d78dd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lab_fractions
[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" "afb95bf159f5965ac777aa065ff709fda67ca8f1e5cffd60263dbd0e02df2728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb95bf159f5965ac777aa065ff709fda67ca8f1e5cffd60263dbd0e02df2728", kill_on_drop: false }`
[INFO] [stdout] afb95bf159f5965ac777aa065ff709fda67ca8f1e5cffd60263dbd0e02df2728