[INFO] updating cached repository https://github.com/howeih/Day-61-Hanoi-Tower-II- [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] 4155f09f7c0d20276be5e28b9dd5a5cf3f0cc3cd [INFO] testing howeih/Day-61-Hanoi-Tower-II- against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-61-Hanoi-Tower-II-" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/howeih/Day-61-Hanoi-Tower-II- 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-61-Hanoi-Tower-II- [INFO] finished tweaking git repo https://github.com/howeih/Day-61-Hanoi-Tower-II- [INFO] tweaked toml for git repo https://github.com/howeih/Day-61-Hanoi-Tower-II- written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/howeih/Day-61-Hanoi-Tower-II- 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-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" "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] c83e4e1d5b8ca84d627a13851a27a28d38327dd8b16ece915b74fd5e909cd846 [INFO] running `"docker" "start" "-a" "c83e4e1d5b8ca84d627a13851a27a28d38327dd8b16ece915b74fd5e909cd846"` [INFO] [stderr] Compiling hanoi_tower_2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "c83e4e1d5b8ca84d627a13851a27a28d38327dd8b16ece915b74fd5e909cd846"` [INFO] running `"docker" "rm" "-f" "c83e4e1d5b8ca84d627a13851a27a28d38327dd8b16ece915b74fd5e909cd846"` [INFO] [stdout] c83e4e1d5b8ca84d627a13851a27a28d38327dd8b16ece915b74fd5e909cd846 [INFO] running `"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" "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] 7c99943078ecf3d807db07b6704e60b44772b44bfc664de74f65bff61e950be8 [INFO] running `"docker" "start" "-a" "7c99943078ecf3d807db07b6704e60b44772b44bfc664de74f65bff61e950be8"` [INFO] [stderr] Compiling hanoi_tower_2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "7c99943078ecf3d807db07b6704e60b44772b44bfc664de74f65bff61e950be8"` [INFO] running `"docker" "rm" "-f" "7c99943078ecf3d807db07b6704e60b44772b44bfc664de74f65bff61e950be8"` [INFO] [stdout] 7c99943078ecf3d807db07b6704e60b44772b44bfc664de74f65bff61e950be8 [INFO] running `"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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d88a0b51293d2c4e173c6659b0e45a8b64605aa539d1bc8131f745582d72effd [INFO] running `"docker" "start" "-a" "d88a0b51293d2c4e173c6659b0e45a8b64605aa539d1bc8131f745582d72effd"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hanoi_tower_2-1e8c8ac51d8f9df3 [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" "d88a0b51293d2c4e173c6659b0e45a8b64605aa539d1bc8131f745582d72effd"` [INFO] running `"docker" "rm" "-f" "d88a0b51293d2c4e173c6659b0e45a8b64605aa539d1bc8131f745582d72effd"` [INFO] [stdout] d88a0b51293d2c4e173c6659b0e45a8b64605aa539d1bc8131f745582d72effd