[INFO] cloning repository https://github.com/alexanderbez/rust-merge-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexanderbez/rust-merge-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderbez%2Frust-merge-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderbez%2Frust-merge-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62b3042c972cc5b472e91df147a6991c7f93c138
[INFO] testing alexanderbez/rust-merge-sort against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderbez%2Frust-merge-sort" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexanderbez/rust-merge-sort 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/alexanderbez/rust-merge-sort
[INFO] finished tweaking git repo https://github.com/alexanderbez/rust-merge-sort
[INFO] tweaked toml for git repo https://github.com/alexanderbez/rust-merge-sort written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alexanderbez/rust-merge-sort 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51902ee9c7975d8e4dd59a93b92a2674add0c29edd51f23c05df30d073d959c4
[INFO] running `Command { std: "docker" "start" "-a" "51902ee9c7975d8e4dd59a93b92a2674add0c29edd51f23c05df30d073d959c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51902ee9c7975d8e4dd59a93b92a2674add0c29edd51f23c05df30d073d959c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51902ee9c7975d8e4dd59a93b92a2674add0c29edd51f23c05df30d073d959c4", kill_on_drop: false }`
[INFO] [stdout] 51902ee9c7975d8e4dd59a93b92a2674add0c29edd51f23c05df30d073d959c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 79fa65970c1b202920bee53650016901dae3039a30f52483aa6528c543852562
[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" "79fa65970c1b202920bee53650016901dae3039a30f52483aa6528c543852562", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-merge-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "79fa65970c1b202920bee53650016901dae3039a30f52483aa6528c543852562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fa65970c1b202920bee53650016901dae3039a30f52483aa6528c543852562", kill_on_drop: false }`
[INFO] [stdout] 79fa65970c1b202920bee53650016901dae3039a30f52483aa6528c543852562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef7613ae2c9b8e183c9f2070adcb51ffcb0f27c41bab6d850fa7a40d7fbdf6b8
[INFO] running `Command { std: "docker" "start" "-a" "ef7613ae2c9b8e183c9f2070adcb51ffcb0f27c41bab6d850fa7a40d7fbdf6b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-merge-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "ef7613ae2c9b8e183c9f2070adcb51ffcb0f27c41bab6d850fa7a40d7fbdf6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7613ae2c9b8e183c9f2070adcb51ffcb0f27c41bab6d850fa7a40d7fbdf6b8", kill_on_drop: false }`
[INFO] [stdout] ef7613ae2c9b8e183c9f2070adcb51ffcb0f27c41bab6d850fa7a40d7fbdf6b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 74c4deffa227b13a68c24234cd21eb6516378655e46da8f79eb24ba3b6511040
[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" "74c4deffa227b13a68c24234cd21eb6516378655e46da8f79eb24ba3b6511040", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::merge_basic ... ok
[INFO] [stdout] test tests::merge_copy_basic ... ok
[INFO] [stdout] test tests::merge_copy_selection ... ok
[INFO] [stdout] test tests::merge_duplicates ... ok
[INFO] [stdout] test tests::merge_copy_nothing ... ok
[INFO] [stdout] test tests::merge_split_duplicates ... ok
[INFO] [stdout] test tests::merge_split_empty ... ok
[INFO] [stdout] test tests::merge_split_basic ... ok
[INFO] [stdout] test tests::sort_basic ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_merge_sort-598e5f775d0e47b7)
[INFO] [stdout] test tests::merge_empty ... ok
[INFO] [stdout] test tests::sort_duplicates ... ok
[INFO] [stdout] test tests::sort_emtpy ... ok
[INFO] [stdout] test tests::sort_negative ... ok
[INFO] [stdout] test tests::merge_split_selection ... ok
[INFO] [stderr]    Doc-tests rust-merge-sort
[INFO] [stdout] test tests::merge_out_of_bound - should panic ... ok
[INFO] [stdout] test tests::merge_copy_out_of_bound - should panic ... ok
[INFO] [stdout] test tests::merge_smaller_output - should panic ... ok
[INFO] [stdout] test tests::merge_split_out_of_bound - should panic ... ok
[INFO] [stdout] test tests::merge_split_smaller_out - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[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" "74c4deffa227b13a68c24234cd21eb6516378655e46da8f79eb24ba3b6511040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c4deffa227b13a68c24234cd21eb6516378655e46da8f79eb24ba3b6511040", kill_on_drop: false }`
[INFO] [stdout] 74c4deffa227b13a68c24234cd21eb6516378655e46da8f79eb24ba3b6511040