[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatiasop%2Fparallel-merge-sort" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matiasop/parallel-merge-sort on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-2/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd2b2adee4f2c819f12cdfee92d4ee939080c9b383455fc5db7694898c03e55
[INFO] running `Command { std: "docker" "start" "-a" "4bd2b2adee4f2c819f12cdfee92d4ee939080c9b383455fc5db7694898c03e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd2b2adee4f2c819f12cdfee92d4ee939080c9b383455fc5db7694898c03e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd2b2adee4f2c819f12cdfee92d4ee939080c9b383455fc5db7694898c03e55", kill_on_drop: false }`
[INFO] [stdout] 4bd2b2adee4f2c819f12cdfee92d4ee939080c9b383455fc5db7694898c03e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df3280afa7fb980131ac0efd886c348448e94f67f9aefc9ad2c2af08e034e99d
[INFO] running `Command { std: "docker" "start" "-a" "df3280afa7fb980131ac0efd886c348448e94f67f9aefc9ad2c2af08e034e99d", 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 4.46s
[INFO] running `Command { std: "docker" "inspect" "df3280afa7fb980131ac0efd886c348448e94f67f9aefc9ad2c2af08e034e99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3280afa7fb980131ac0efd886c348448e94f67f9aefc9ad2c2af08e034e99d", kill_on_drop: false }`
[INFO] [stdout] df3280afa7fb980131ac0efd886c348448e94f67f9aefc9ad2c2af08e034e99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78915bd1051777b1cf54ff5db709c5495c7bd735a66ecfe166014a0a83b4ec8a
[INFO] running `Command { std: "docker" "start" "-a" "78915bd1051777b1cf54ff5db709c5495c7bd735a66ecfe166014a0a83b4ec8a", 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "78915bd1051777b1cf54ff5db709c5495c7bd735a66ecfe166014a0a83b4ec8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78915bd1051777b1cf54ff5db709c5495c7bd735a66ecfe166014a0a83b4ec8a", kill_on_drop: false }`
[INFO] [stdout] 78915bd1051777b1cf54ff5db709c5495c7bd735a66ecfe166014a0a83b4ec8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d324ac62237de648b7653a4862ae425daf37b8115d83419e8f4037b1f589daf
[INFO] running `Command { std: "docker" "start" "-a" "9d324ac62237de648b7653a4862ae425daf37b8115d83419e8f4037b1f589daf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parallel_merge_sort-5bf03a4b5c66fd35)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test parallel_tests::arrays_if_len_1 ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test parallel_tests::one_thread ... ok
[INFO] [stdout] test tests::already_ordered ... ok
[INFO] [stdout] test tests::test_base_case ... ok
[INFO] [stdout] test tests::totally_backwards ... ok
[INFO] [stdout] test tests::repeated_elements ... ok
[INFO] [stdout] test parallel_tests::n_jobs_power_of_2 - should panic ... ok
[INFO] [stdout] test parallel_tests::n_workers_power_of_2 - should panic ... ok
[INFO] [stdout] test parallel_tests::wrong_length - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d324ac62237de648b7653a4862ae425daf37b8115d83419e8f4037b1f589daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d324ac62237de648b7653a4862ae425daf37b8115d83419e8f4037b1f589daf", kill_on_drop: false }`
[INFO] [stdout] 9d324ac62237de648b7653a4862ae425daf37b8115d83419e8f4037b1f589daf