[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderbez%2Frust-merge-sort" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexanderbez/rust-merge-sort on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-3/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] e3d98352b861c214cd8f0b254cf606988271bb6a7ae09ff9a467d0fd744d5c66
[INFO] running `Command { std: "docker" "start" "-a" "e3d98352b861c214cd8f0b254cf606988271bb6a7ae09ff9a467d0fd744d5c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d98352b861c214cd8f0b254cf606988271bb6a7ae09ff9a467d0fd744d5c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d98352b861c214cd8f0b254cf606988271bb6a7ae09ff9a467d0fd744d5c66", kill_on_drop: false }`
[INFO] [stdout] e3d98352b861c214cd8f0b254cf606988271bb6a7ae09ff9a467d0fd744d5c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03aa6d58d7dccdeb3ce711f79eaecb9abcafabd99bf5d8935f2de59b01d1199e
[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" "03aa6d58d7dccdeb3ce711f79eaecb9abcafabd99bf5d8935f2de59b01d1199e", 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "03aa6d58d7dccdeb3ce711f79eaecb9abcafabd99bf5d8935f2de59b01d1199e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03aa6d58d7dccdeb3ce711f79eaecb9abcafabd99bf5d8935f2de59b01d1199e", kill_on_drop: false }`
[INFO] [stdout] 03aa6d58d7dccdeb3ce711f79eaecb9abcafabd99bf5d8935f2de59b01d1199e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad1fbd20e8b8c5060813840c4927608189c5966ded761f722da2173f2259cbfc
[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" "ad1fbd20e8b8c5060813840c4927608189c5966ded761f722da2173f2259cbfc", 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 1.54s
[INFO] running `Command { std: "docker" "inspect" "ad1fbd20e8b8c5060813840c4927608189c5966ded761f722da2173f2259cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1fbd20e8b8c5060813840c4927608189c5966ded761f722da2173f2259cbfc", kill_on_drop: false }`
[INFO] [stdout] ad1fbd20e8b8c5060813840c4927608189c5966ded761f722da2173f2259cbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dee68c78c2181027dcd4b8cf65f4a73fe543fdf1358e6f5990497cc4783f34a4
[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" "dee68c78c2181027dcd4b8cf65f4a73fe543fdf1358e6f5990497cc4783f34a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_merge_sort-babdbaf988065351)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::merge_copy_basic ... ok
[INFO] [stdout] test tests::merge_copy_nothing ... ok
[INFO] [stdout] test tests::merge_empty ... ok
[INFO] [stdout] test tests::merge_duplicates ... ok
[INFO] [stdout] test tests::merge_split_basic ... ok
[INFO] [stdout] test tests::merge_split_duplicates ... ok
[INFO] [stdout] test tests::sort_emtpy ... ok
[INFO] [stdout] test tests::sort_negative ... ok
[INFO] [stdout] test tests::merge_copy_selection ... ok
[INFO] [stdout] test tests::sort_basic ... ok
[INFO] [stdout] test tests::merge_basic ... ok
[INFO] [stdout] test tests::sort_duplicates ... ok
[INFO] [stdout] test tests::merge_split_selection ... ok
[INFO] [stdout] test tests::merge_split_empty ... ok
[INFO] [stdout] test tests::merge_smaller_output - should panic ... ok
[INFO] [stdout] test tests::merge_copy_out_of_bound - 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] [stderr]    Doc-tests rust-merge-sort
[INFO] [stdout] test tests::merge_out_of_bound - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[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" "dee68c78c2181027dcd4b8cf65f4a73fe543fdf1358e6f5990497cc4783f34a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee68c78c2181027dcd4b8cf65f4a73fe543fdf1358e6f5990497cc4783f34a4", kill_on_drop: false }`
[INFO] [stdout] dee68c78c2181027dcd4b8cf65f4a73fe543fdf1358e6f5990497cc4783f34a4