[INFO] cloning 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" "clone" "--bare" "https://github.com/connorkuehl/rust-merge-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Frust-merge-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Frust-merge-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc86b59c4390886d9a3c460c6e98cc56d0c5d0b0
[INFO] testing connorkuehl/rust-merge-sort against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorkuehl%2Frust-merge-sort" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorkuehl/rust-merge-sort on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-6/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d291eef1c4ad20652b6f01d477f28c6aa3a50463e4a3a69052eee394b4ab7710
[INFO] running `Command { std: "docker" "start" "-a" "d291eef1c4ad20652b6f01d477f28c6aa3a50463e4a3a69052eee394b4ab7710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d291eef1c4ad20652b6f01d477f28c6aa3a50463e4a3a69052eee394b4ab7710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d291eef1c4ad20652b6f01d477f28c6aa3a50463e4a3a69052eee394b4ab7710", kill_on_drop: false }`
[INFO] [stdout] d291eef1c4ad20652b6f01d477f28c6aa3a50463e4a3a69052eee394b4ab7710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02b6103a652d27a603f4fa2f8d52a269a63823ee8a8217add059627057ecc6b
[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" "e02b6103a652d27a603f4fa2f8d52a269a63823ee8a8217add059627057ecc6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "e02b6103a652d27a603f4fa2f8d52a269a63823ee8a8217add059627057ecc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02b6103a652d27a603f4fa2f8d52a269a63823ee8a8217add059627057ecc6b", kill_on_drop: false }`
[INFO] [stdout] e02b6103a652d27a603f4fa2f8d52a269a63823ee8a8217add059627057ecc6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcec4361a3eea99255f431df95369f7f3d69366bc3c2863fe5a5b14415287381
[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" "fcec4361a3eea99255f431df95369f7f3d69366bc3c2863fe5a5b14415287381", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "fcec4361a3eea99255f431df95369f7f3d69366bc3c2863fe5a5b14415287381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcec4361a3eea99255f431df95369f7f3d69366bc3c2863fe5a5b14415287381", kill_on_drop: false }`
[INFO] [stdout] fcec4361a3eea99255f431df95369f7f3d69366bc3c2863fe5a5b14415287381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c776dc4a01377c78ead060ff097704b60064c0169092e089e2aaae9b625dd424
[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" "c776dc4a01377c78ead060ff097704b60064c0169092e089e2aaae9b625dd424", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merge_sort-4bc387357f752678
[INFO] [stdout] test tests::test_already_sorted ... ok
[INFO] [stderr]    Doc-tests merge_sort
[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_one ... ok
[INFO] [stdout] test tests::test_partially_sorted ... ok
[INFO] [stdout] test tests::test_reverse_sorted ... ok
[INFO] [stdout] test tests::test_unsorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "c776dc4a01377c78ead060ff097704b60064c0169092e089e2aaae9b625dd424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c776dc4a01377c78ead060ff097704b60064c0169092e089e2aaae9b625dd424", kill_on_drop: false }`
[INFO] [stdout] c776dc4a01377c78ead060ff097704b60064c0169092e089e2aaae9b625dd424