[INFO] cloning repository https://github.com/666666t/mergesort-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/666666t/mergesort-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F666666t%2Fmergesort-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F666666t%2Fmergesort-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 864118a3ccc4821a373216e2a5ac293d11d9841f
[INFO] testing 666666t/mergesort-rust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F666666t%2Fmergesort-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/666666t/mergesort-rust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/666666t/mergesort-rust
[INFO] finished tweaking git repo https://github.com/666666t/mergesort-rust
[INFO] tweaked toml for git repo https://github.com/666666t/mergesort-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/666666t/mergesort-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05d37962dc25eff6996208e7ae5f127b3e52b2602dab8d894e396b3cbc63f87a
[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" "05d37962dc25eff6996208e7ae5f127b3e52b2602dab8d894e396b3cbc63f87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d37962dc25eff6996208e7ae5f127b3e52b2602dab8d894e396b3cbc63f87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d37962dc25eff6996208e7ae5f127b3e52b2602dab8d894e396b3cbc63f87a", kill_on_drop: false }`
[INFO] [stdout] 05d37962dc25eff6996208e7ae5f127b3e52b2602dab8d894e396b3cbc63f87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 338a6dc3b8d364ab4f2146f4a49530f88a45c3852e5a59053c746aa6c8c6cf89
[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" "338a6dc3b8d364ab4f2146f4a49530f88a45c3852e5a59053c746aa6c8c6cf89", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge_sort-2019-04-15 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "338a6dc3b8d364ab4f2146f4a49530f88a45c3852e5a59053c746aa6c8c6cf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338a6dc3b8d364ab4f2146f4a49530f88a45c3852e5a59053c746aa6c8c6cf89", kill_on_drop: false }`
[INFO] [stdout] 338a6dc3b8d364ab4f2146f4a49530f88a45c3852e5a59053c746aa6c8c6cf89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d22d38279833461e1ac1358d9b046837a896c618b591bc22395b79eac692acc9
[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" "d22d38279833461e1ac1358d9b046837a896c618b591bc22395b79eac692acc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling merge_sort-2019-04-15 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "d22d38279833461e1ac1358d9b046837a896c618b591bc22395b79eac692acc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22d38279833461e1ac1358d9b046837a896c618b591bc22395b79eac692acc9", kill_on_drop: false }`
[INFO] [stdout] d22d38279833461e1ac1358d9b046837a896c618b591bc22395b79eac692acc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] e53c961a8121a0d69bc7c68bfa82ccc429c018c513eb45902c5a61a4fe8afafb
[INFO] running `Command { std: "docker" "start" "-a" "e53c961a8121a0d69bc7c68bfa82ccc429c018c513eb45902c5a61a4fe8afafb", 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_2019_04_15-47a798478eb0d7e0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::bench_merge ... test tests::bench_merge has been running for over 60 seconds
[INFO] [stdout] test tests::bench_merge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e53c961a8121a0d69bc7c68bfa82ccc429c018c513eb45902c5a61a4fe8afafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53c961a8121a0d69bc7c68bfa82ccc429c018c513eb45902c5a61a4fe8afafb", kill_on_drop: false }`
[INFO] [stdout] e53c961a8121a0d69bc7c68bfa82ccc429c018c513eb45902c5a61a4fe8afafb