[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjculverhouse%2Fmergesort" "/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/jculverhouse/mergesort 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/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-15/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" "+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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51efd1b0f501c3b187633e3e5898330d17178af756849637069d98768a1ab45e
[INFO] running `Command { std: "docker" "start" "-a" "51efd1b0f501c3b187633e3e5898330d17178af756849637069d98768a1ab45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51efd1b0f501c3b187633e3e5898330d17178af756849637069d98768a1ab45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51efd1b0f501c3b187633e3e5898330d17178af756849637069d98768a1ab45e", kill_on_drop: false }`
[INFO] [stdout] 51efd1b0f501c3b187633e3e5898330d17178af756849637069d98768a1ab45e
[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=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] 0ce6194e27c1bb373b0becdffd021e51f6d2be41af94f77d2e130d0ab297e6ba
[INFO] running `Command { std: "docker" "start" "-a" "0ce6194e27c1bb373b0becdffd021e51f6d2be41af94f77d2e130d0ab297e6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling mergesort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0ce6194e27c1bb373b0becdffd021e51f6d2be41af94f77d2e130d0ab297e6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce6194e27c1bb373b0becdffd021e51f6d2be41af94f77d2e130d0ab297e6ba", kill_on_drop: false }`
[INFO] [stdout] 0ce6194e27c1bb373b0becdffd021e51f6d2be41af94f77d2e130d0ab297e6ba
[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=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] e7bf1dbbd00dff8f35071967442b1080d1a074281c51728a791d327f3cb76236
[INFO] running `Command { std: "docker" "start" "-a" "e7bf1dbbd00dff8f35071967442b1080d1a074281c51728a791d327f3cb76236", kill_on_drop: false }`
[INFO] [stderr]    Compiling mergesort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e7bf1dbbd00dff8f35071967442b1080d1a074281c51728a791d327f3cb76236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bf1dbbd00dff8f35071967442b1080d1a074281c51728a791d327f3cb76236", kill_on_drop: false }`
[INFO] [stdout] e7bf1dbbd00dff8f35071967442b1080d1a074281c51728a791d327f3cb76236
[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=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] 1b512a24b0a04bba442df2fd64132a5652fe4b8ee3a5d96439e3430b34e88cf5
[INFO] running `Command { std: "docker" "start" "-a" "1b512a24b0a04bba442df2fd64132a5652fe4b8ee3a5d96439e3430b34e88cf5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mergesort-3ad00352f719c17b)
[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" "1b512a24b0a04bba442df2fd64132a5652fe4b8ee3a5d96439e3430b34e88cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b512a24b0a04bba442df2fd64132a5652fe4b8ee3a5d96439e3430b34e88cf5", kill_on_drop: false }`
[INFO] [stdout] 1b512a24b0a04bba442df2fd64132a5652fe4b8ee3a5d96439e3430b34e88cf5