[INFO] updating cached repository https://github.com/connorkuehl/rust-merge-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc86b59c4390886d9a3c460c6e98cc56d0c5d0b0
[INFO] testing connorkuehl/rust-merge-sort against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Frust-merge-sort" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorkuehl/rust-merge-sort on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/connorkuehl/rust-merge-sort
[INFO] finished tweaking git repo https://github.com/connorkuehl/rust-merge-sort
[INFO] tweaked toml for git repo https://github.com/connorkuehl/rust-merge-sort written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/connorkuehl/rust-merge-sort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01fb15f756ec6c30de627cce8f3b560803f135dd092a11541a15e4c96584ad35
[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" "01fb15f756ec6c30de627cce8f3b560803f135dd092a11541a15e4c96584ad35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01fb15f756ec6c30de627cce8f3b560803f135dd092a11541a15e4c96584ad35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fb15f756ec6c30de627cce8f3b560803f135dd092a11541a15e4c96584ad35", kill_on_drop: false }`
[INFO] [stdout] 01fb15f756ec6c30de627cce8f3b560803f135dd092a11541a15e4c96584ad35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3103b7db765f646432c46e63bbcd75d2c88a66cf8e9967c9c2d01a80baec73d8
[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" "3103b7db765f646432c46e63bbcd75d2c88a66cf8e9967c9c2d01a80baec73d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "3103b7db765f646432c46e63bbcd75d2c88a66cf8e9967c9c2d01a80baec73d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3103b7db765f646432c46e63bbcd75d2c88a66cf8e9967c9c2d01a80baec73d8", kill_on_drop: false }`
[INFO] [stdout] 3103b7db765f646432c46e63bbcd75d2c88a66cf8e9967c9c2d01a80baec73d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e11dd5dd01be6769e5fecc53b8b61fe7273b6c3d0238c0dcc5a7c34b9de8444
[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" "7e11dd5dd01be6769e5fecc53b8b61fe7273b6c3d0238c0dcc5a7c34b9de8444", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "7e11dd5dd01be6769e5fecc53b8b61fe7273b6c3d0238c0dcc5a7c34b9de8444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e11dd5dd01be6769e5fecc53b8b61fe7273b6c3d0238c0dcc5a7c34b9de8444", kill_on_drop: false }`
[INFO] [stdout] 7e11dd5dd01be6769e5fecc53b8b61fe7273b6c3d0238c0dcc5a7c34b9de8444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18206834ed1edde00c7d58dd68821744955839716d296ad63eee67d6c73f4eba
[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" "18206834ed1edde00c7d58dd68821744955839716d296ad63eee67d6c73f4eba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merge_sort-2392a56fbb9e352c
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_one ... ok
[INFO] [stdout] test tests::test_already_sorted ... ok
[INFO] [stdout] test tests::test_unsorted ... ok
[INFO] [stdout] test tests::test_partially_sorted ... ok
[INFO] [stdout] test tests::test_odd_length ... ok
[INFO] [stdout] test tests::test_duplicates ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_reverse_sorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merge_sort
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18206834ed1edde00c7d58dd68821744955839716d296ad63eee67d6c73f4eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18206834ed1edde00c7d58dd68821744955839716d296ad63eee67d6c73f4eba", kill_on_drop: false }`
[INFO] [stdout] 18206834ed1edde00c7d58dd68821744955839716d296ad63eee67d6c73f4eba