[INFO] cloning repository https://github.com/matiasop/parallel-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/matiasop/parallel-merge-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatiasop%2Fparallel-merge-sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatiasop%2Fparallel-merge-sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 421f705ecf885a5a85889e942791b4488305c524 [INFO] testing matiasop/parallel-merge-sort against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatiasop%2Fparallel-merge-sort" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matiasop/parallel-merge-sort on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matiasop/parallel-merge-sort [INFO] finished tweaking git repo https://github.com/matiasop/parallel-merge-sort [INFO] tweaked toml for git repo https://github.com/matiasop/parallel-merge-sort written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/matiasop/parallel-merge-sort already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4ba5dd6697acf5c27d65ea0d0302ea3cbccfe7f55c11ccdbe43fa0f9a5dc177 [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" "d4ba5dd6697acf5c27d65ea0d0302ea3cbccfe7f55c11ccdbe43fa0f9a5dc177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4ba5dd6697acf5c27d65ea0d0302ea3cbccfe7f55c11ccdbe43fa0f9a5dc177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4ba5dd6697acf5c27d65ea0d0302ea3cbccfe7f55c11ccdbe43fa0f9a5dc177", kill_on_drop: false }` [INFO] [stdout] d4ba5dd6697acf5c27d65ea0d0302ea3cbccfe7f55c11ccdbe43fa0f9a5dc177 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dfc85624c664aa64deadf93e692b6229bcb34d875789b8788a19e3649b76afb [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" "0dfc85624c664aa64deadf93e692b6229bcb34d875789b8788a19e3649b76afb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling parallel-merge-sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.54s [INFO] running `Command { std: "docker" "inspect" "0dfc85624c664aa64deadf93e692b6229bcb34d875789b8788a19e3649b76afb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dfc85624c664aa64deadf93e692b6229bcb34d875789b8788a19e3649b76afb", kill_on_drop: false }` [INFO] [stdout] 0dfc85624c664aa64deadf93e692b6229bcb34d875789b8788a19e3649b76afb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ceba3331c9d908bf6c66e329ba6a23655d7407b4528161f6dc24c8649b0c4a95 [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" "ceba3331c9d908bf6c66e329ba6a23655d7407b4528161f6dc24c8649b0c4a95", kill_on_drop: false }` [INFO] [stderr] Compiling parallel-merge-sort v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "ceba3331c9d908bf6c66e329ba6a23655d7407b4528161f6dc24c8649b0c4a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceba3331c9d908bf6c66e329ba6a23655d7407b4528161f6dc24c8649b0c4a95", kill_on_drop: false }` [INFO] [stdout] ceba3331c9d908bf6c66e329ba6a23655d7407b4528161f6dc24c8649b0c4a95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1a87d3d1c1fec42937cb8c53bbea60ed8949208ae1ff02bd9c28cd06a3e71526 [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" "1a87d3d1c1fec42937cb8c53bbea60ed8949208ae1ff02bd9c28cd06a3e71526", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/parallel_merge_sort-64435e0decb02552) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::already_ordered ... ok [INFO] [stdout] test tests::totally_backwards ... ok [INFO] [stdout] test tests::test_base_case ... ok [INFO] [stdout] test tests::repeated_elements ... ok [INFO] [stdout] test parallel_tests::one_thread ... ok [INFO] [stdout] test parallel_tests::arrays_if_len_1 ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test parallel_tests::wrong_length - should panic ... ok [INFO] [stdout] test parallel_tests::n_workers_power_of_2 - should panic ... ok [INFO] [stdout] test parallel_tests::n_jobs_power_of_2 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1a87d3d1c1fec42937cb8c53bbea60ed8949208ae1ff02bd9c28cd06a3e71526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a87d3d1c1fec42937cb8c53bbea60ed8949208ae1ff02bd9c28cd06a3e71526", kill_on_drop: false }` [INFO] [stdout] 1a87d3d1c1fec42937cb8c53bbea60ed8949208ae1ff02bd9c28cd06a3e71526