[INFO] updating cached repository https://github.com/howeih/Day-62-Linked-list-cycle-detection [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c24eed6f1d2d7c5d48fa0d8e8677e4dfb7a4ad64 [INFO] testing howeih/Day-62-Linked-list-cycle-detection against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-62-Linked-list-cycle-detection" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection [INFO] finished tweaking git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection [INFO] tweaked toml for git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc3f24c64a93a105e9f7b0cd411af44be93a382fe32ddddf198eff7cfe134ca4 [INFO] running `"docker" "start" "-a" "fc3f24c64a93a105e9f7b0cd411af44be93a382fe32ddddf198eff7cfe134ca4"` [INFO] [stderr] Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `"docker" "inspect" "fc3f24c64a93a105e9f7b0cd411af44be93a382fe32ddddf198eff7cfe134ca4"` [INFO] running `"docker" "rm" "-f" "fc3f24c64a93a105e9f7b0cd411af44be93a382fe32ddddf198eff7cfe134ca4"` [INFO] [stdout] fc3f24c64a93a105e9f7b0cd411af44be93a382fe32ddddf198eff7cfe134ca4 [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 31a1d0bda6ead944765a1f62921061b9baacf683b492d4d45f89666c700f2949 [INFO] running `"docker" "start" "-a" "31a1d0bda6ead944765a1f62921061b9baacf683b492d4d45f89666c700f2949"` [INFO] [stderr] Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "31a1d0bda6ead944765a1f62921061b9baacf683b492d4d45f89666c700f2949"` [INFO] running `"docker" "rm" "-f" "31a1d0bda6ead944765a1f62921061b9baacf683b492d4d45f89666c700f2949"` [INFO] [stdout] 31a1d0bda6ead944765a1f62921061b9baacf683b492d4d45f89666c700f2949 [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stdout] de918bffdc1934ab4d1db7677fc1ec27caf6f20327a6fb7b199d9d32b1fb3376 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "de918bffdc1934ab4d1db7677fc1ec27caf6f20327a6fb7b199d9d32b1fb3376"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/linked_list_cycle_detection-aff3a1d0e14a7721 [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 `"docker" "inspect" "de918bffdc1934ab4d1db7677fc1ec27caf6f20327a6fb7b199d9d32b1fb3376"` [INFO] running `"docker" "rm" "-f" "de918bffdc1934ab4d1db7677fc1ec27caf6f20327a6fb7b199d9d32b1fb3376"` [INFO] [stdout] de918bffdc1934ab4d1db7677fc1ec27caf6f20327a6fb7b199d9d32b1fb3376