[INFO] cloning repository https://github.com/SabaunT/grokking-algos-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SabaunT/grokking-algos-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSabaunT%2Fgrokking-algos-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSabaunT%2Fgrokking-algos-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b14bb180728537ceef5fbbcb5a280639c9ec743b
[INFO] testing SabaunT/grokking-algos-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSabaunT%2Fgrokking-algos-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SabaunT/grokking-algos-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SabaunT/grokking-algos-rust
[INFO] finished tweaking git repo https://github.com/SabaunT/grokking-algos-rust
[INFO] tweaked toml for git repo https://github.com/SabaunT/grokking-algos-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/SabaunT/grokking-algos-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33bd16071a47d70eff95c97742b64d325e951d128d6d6127634330fbf8c5dadb
[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" "33bd16071a47d70eff95c97742b64d325e951d128d6d6127634330fbf8c5dadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33bd16071a47d70eff95c97742b64d325e951d128d6d6127634330fbf8c5dadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33bd16071a47d70eff95c97742b64d325e951d128d6d6127634330fbf8c5dadb", kill_on_drop: false }`
[INFO] [stdout] 33bd16071a47d70eff95c97742b64d325e951d128d6d6127634330fbf8c5dadb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f24b852b5ce7e3d18c7baf7c2d667138b632c41fbef5e83bde69ac1204549fe0
[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" "f24b852b5ce7e3d18c7baf7c2d667138b632c41fbef5e83bde69ac1204549fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking-algos-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "f24b852b5ce7e3d18c7baf7c2d667138b632c41fbef5e83bde69ac1204549fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24b852b5ce7e3d18c7baf7c2d667138b632c41fbef5e83bde69ac1204549fe0", kill_on_drop: false }`
[INFO] [stdout] f24b852b5ce7e3d18c7baf7c2d667138b632c41fbef5e83bde69ac1204549fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b565bd157e6bea5ffbdb5776ac388657eff7a29fa1ab3b072575bfd59da28a
[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" "b1b565bd157e6bea5ffbdb5776ac388657eff7a29fa1ab3b072575bfd59da28a", kill_on_drop: false }`
[INFO] [stderr]    Compiling grokking-algos-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "b1b565bd157e6bea5ffbdb5776ac388657eff7a29fa1ab3b072575bfd59da28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b565bd157e6bea5ffbdb5776ac388657eff7a29fa1ab3b072575bfd59da28a", kill_on_drop: false }`
[INFO] [stdout] b1b565bd157e6bea5ffbdb5776ac388657eff7a29fa1ab3b072575bfd59da28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acda23ec465c7c2ddd9745ad691dcea3ddc3ff74de2935b4c516785d2c6a71c2
[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" "acda23ec465c7c2ddd9745ad691dcea3ddc3ff74de2935b4c516785d2c6a71c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grokking_algos_rust-e1fd56322c0fad94)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test binary_search::test_bin_search ... ok
[INFO] [stdout] test hash_table::simple ... ok
[INFO] [stdout] test selection_sort::simple ... ok
[INFO] [stdout] test quick_sort::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grokking-algos-rust
[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" "acda23ec465c7c2ddd9745ad691dcea3ddc3ff74de2935b4c516785d2c6a71c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acda23ec465c7c2ddd9745ad691dcea3ddc3ff74de2935b4c516785d2c6a71c2", kill_on_drop: false }`
[INFO] [stdout] acda23ec465c7c2ddd9745ad691dcea3ddc3ff74de2935b4c516785d2c6a71c2