[INFO] updating cached repository https://github.com/howeih/Day-62-Linked-list-cycle-detection
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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 beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-62-Linked-list-cycle-detection" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/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 beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/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 `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 66c259c6e4137c88a1a45b1d640dc770dd7e7e8cb27970da20d849d07ef7ab15
[INFO] running `"docker" "start" "-a" "66c259c6e4137c88a1a45b1d640dc770dd7e7e8cb27970da20d849d07ef7ab15"`
[INFO] [stderr]    Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "66c259c6e4137c88a1a45b1d640dc770dd7e7e8cb27970da20d849d07ef7ab15"`
[INFO] running `"docker" "rm" "-f" "66c259c6e4137c88a1a45b1d640dc770dd7e7e8cb27970da20d849d07ef7ab15"`
[INFO] [stdout] 66c259c6e4137c88a1a45b1d640dc770dd7e7e8cb27970da20d849d07ef7ab15
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] f87aa62c84df8bf258a38d14cb6f61e018c8b8951c51da380a26a4cb6d97bc59
[INFO] running `"docker" "start" "-a" "f87aa62c84df8bf258a38d14cb6f61e018c8b8951c51da380a26a4cb6d97bc59"`
[INFO] [stderr]    Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "f87aa62c84df8bf258a38d14cb6f61e018c8b8951c51da380a26a4cb6d97bc59"`
[INFO] running `"docker" "rm" "-f" "f87aa62c84df8bf258a38d14cb6f61e018c8b8951c51da380a26a4cb6d97bc59"`
[INFO] [stdout] f87aa62c84df8bf258a38d14cb6f61e018c8b8951c51da380a26a4cb6d97bc59
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] b1a2a34469a68c1137a4446e6f2db44d386f4a333aca8e162575f2f893d5531a
[INFO] running `"docker" "start" "-a" "b1a2a34469a68c1137a4446e6f2db44d386f4a333aca8e162575f2f893d5531a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linked_list_cycle_detection-16f943b3329cd150
[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" "b1a2a34469a68c1137a4446e6f2db44d386f4a333aca8e162575f2f893d5531a"`
[INFO] running `"docker" "rm" "-f" "b1a2a34469a68c1137a4446e6f2db44d386f4a333aca8e162575f2f893d5531a"`
[INFO] [stdout] b1a2a34469a68c1137a4446e6f2db44d386f4a333aca8e162575f2f893d5531a