[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 master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderbez%2Frust-merge-sort" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexanderbez/rust-merge-sort on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 492459ebb26528fbc7f38a709e7b7e1744e8dd3cc665ed0b233bfee3e9f53a7b
[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" "492459ebb26528fbc7f38a709e7b7e1744e8dd3cc665ed0b233bfee3e9f53a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "492459ebb26528fbc7f38a709e7b7e1744e8dd3cc665ed0b233bfee3e9f53a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492459ebb26528fbc7f38a709e7b7e1744e8dd3cc665ed0b233bfee3e9f53a7b", kill_on_drop: false }`
[INFO] [stdout] 492459ebb26528fbc7f38a709e7b7e1744e8dd3cc665ed0b233bfee3e9f53a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", 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] bd74b30d14bad130a6010b9d825a568678eb4b1ab52812882504a5fb1fbf893d
[INFO] running `Command { std: "docker" "start" "-a" "bd74b30d14bad130a6010b9d825a568678eb4b1ab52812882504a5fb1fbf893d", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "bd74b30d14bad130a6010b9d825a568678eb4b1ab52812882504a5fb1fbf893d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd74b30d14bad130a6010b9d825a568678eb4b1ab52812882504a5fb1fbf893d", kill_on_drop: false }`
[INFO] [stdout] bd74b30d14bad130a6010b9d825a568678eb4b1ab52812882504a5fb1fbf893d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b699dbbf34674789c0279911a95c7fde602bc97b2fce9753f5548fde818fc7b5
[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" "b699dbbf34674789c0279911a95c7fde602bc97b2fce9753f5548fde818fc7b5", 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 1.30s
[INFO] running `Command { std: "docker" "inspect" "b699dbbf34674789c0279911a95c7fde602bc97b2fce9753f5548fde818fc7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b699dbbf34674789c0279911a95c7fde602bc97b2fce9753f5548fde818fc7b5", kill_on_drop: false }`
[INFO] [stdout] b699dbbf34674789c0279911a95c7fde602bc97b2fce9753f5548fde818fc7b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e88d8ea819ac34d6b2c88030b75ee437e076afc6f5031733f1e0b30f0c6b9d0
[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" "0e88d8ea819ac34d6b2c88030b75ee437e076afc6f5031733f1e0b30f0c6b9d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_merge_sort-1e7c5578f5f7fbf5
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::merge_basic ... ok
[INFO] [stdout] test tests::merge_copy_basic ... ok
[INFO] [stdout] test tests::merge_copy_nothing ... ok
[INFO] [stdout] test tests::merge_split_basic ... ok
[INFO] [stdout] test tests::merge_copy_selection ... ok
[INFO] [stdout] test tests::merge_split_duplicates ... ok
[INFO] [stdout] test tests::merge_split_selection ... ok
[INFO] [stdout] test tests::sort_duplicates ... ok
[INFO] [stdout] test tests::sort_basic ... ok
[INFO] [stdout] test tests::sort_negative ... ok
[INFO] [stdout] test tests::merge_duplicates ... ok
[INFO] [stdout] test tests::merge_split_empty ... ok
[INFO] [stdout] test tests::sort_emtpy ... ok
[INFO] [stdout] test tests::merge_empty ... ok
[INFO] [stdout] test tests::merge_copy_out_of_bound ... ok
[INFO] [stdout] test tests::merge_split_out_of_bound ... ok
[INFO] [stdout] test tests::merge_split_smaller_out ... ok
[INFO] [stdout] test tests::merge_smaller_output ... ok
[INFO] [stdout] test tests::merge_out_of_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-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" "0e88d8ea819ac34d6b2c88030b75ee437e076afc6f5031733f1e0b30f0c6b9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e88d8ea819ac34d6b2c88030b75ee437e076afc6f5031733f1e0b30f0c6b9d0", kill_on_drop: false }`
[INFO] [stdout] 0e88d8ea819ac34d6b2c88030b75ee437e076afc6f5031733f1e0b30f0c6b9d0