[INFO] cloning repository https://github.com/jculverhouse/mergesort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jculverhouse/mergesort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Fmergesort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Fmergesort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acac619c5eb0589e93101f84fc0c62269d78e695
[INFO] testing jculverhouse/mergesort against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Fmergesort" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jculverhouse/mergesort on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jculverhouse/mergesort
[INFO] finished tweaking git repo https://github.com/jculverhouse/mergesort
[INFO] tweaked toml for git repo https://github.com/jculverhouse/mergesort written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/jculverhouse/mergesort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c7426e9f5fa07811dfbe5beb9b8c370d72949842deffde975be5a788a23c94f
[INFO] running `Command { std: "docker" "start" "-a" "8c7426e9f5fa07811dfbe5beb9b8c370d72949842deffde975be5a788a23c94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c7426e9f5fa07811dfbe5beb9b8c370d72949842deffde975be5a788a23c94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7426e9f5fa07811dfbe5beb9b8c370d72949842deffde975be5a788a23c94f", kill_on_drop: false }`
[INFO] [stdout] 8c7426e9f5fa07811dfbe5beb9b8c370d72949842deffde975be5a788a23c94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c61df0f4e7a3538b0ee4b90e7a91f2662232d6ba7ece82c84236584f27ca80
[INFO] running `Command { std: "docker" "start" "-a" "e7c61df0f4e7a3538b0ee4b90e7a91f2662232d6ba7ece82c84236584f27ca80", kill_on_drop: false }`
[INFO] [stderr]    Compiling mergesort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e7c61df0f4e7a3538b0ee4b90e7a91f2662232d6ba7ece82c84236584f27ca80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c61df0f4e7a3538b0ee4b90e7a91f2662232d6ba7ece82c84236584f27ca80", kill_on_drop: false }`
[INFO] [stdout] e7c61df0f4e7a3538b0ee4b90e7a91f2662232d6ba7ece82c84236584f27ca80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59f201d2ec193a95ed678d2722b45af4d9b90321bdf1a0bcabb458daef5b4aa9
[INFO] running `Command { std: "docker" "start" "-a" "59f201d2ec193a95ed678d2722b45af4d9b90321bdf1a0bcabb458daef5b4aa9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mergesort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "59f201d2ec193a95ed678d2722b45af4d9b90321bdf1a0bcabb458daef5b4aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f201d2ec193a95ed678d2722b45af4d9b90321bdf1a0bcabb458daef5b4aa9", kill_on_drop: false }`
[INFO] [stdout] 59f201d2ec193a95ed678d2722b45af4d9b90321bdf1a0bcabb458daef5b4aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37a82a45770d9ae736622e1462740bca5eb0bd95fc43ea6a4a2aade9ca3e2480
[INFO] running `Command { std: "docker" "start" "-a" "37a82a45770d9ae736622e1462740bca5eb0bd95fc43ea6a4a2aade9ca3e2480", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mergesort-ea93978efb858e7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test check_mergesort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37a82a45770d9ae736622e1462740bca5eb0bd95fc43ea6a4a2aade9ca3e2480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a82a45770d9ae736622e1462740bca5eb0bd95fc43ea6a4a2aade9ca3e2480", kill_on_drop: false }`
[INFO] [stdout] 37a82a45770d9ae736622e1462740bca5eb0bd95fc43ea6a4a2aade9ca3e2480