[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 1.38.0 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-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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-2/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" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d69f1f985ea20e57b440a4575aa209f3abeb952be045740c328d0a10ff5beccc
[INFO] running `"docker" "start" "-a" "d69f1f985ea20e57b440a4575aa209f3abeb952be045740c328d0a10ff5beccc"`
[INFO] [stderr]    Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "d69f1f985ea20e57b440a4575aa209f3abeb952be045740c328d0a10ff5beccc"`
[INFO] running `"docker" "rm" "-f" "d69f1f985ea20e57b440a4575aa209f3abeb952be045740c328d0a10ff5beccc"`
[INFO] [stdout] d69f1f985ea20e57b440a4575aa209f3abeb952be045740c328d0a10ff5beccc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5a7e0a314011cb063891348f1fac51bb3e8487a96b6b82448d02596701d57ef
[INFO] running `"docker" "start" "-a" "d5a7e0a314011cb063891348f1fac51bb3e8487a96b6b82448d02596701d57ef"`
[INFO] [stderr]    Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "d5a7e0a314011cb063891348f1fac51bb3e8487a96b6b82448d02596701d57ef"`
[INFO] running `"docker" "rm" "-f" "d5a7e0a314011cb063891348f1fac51bb3e8487a96b6b82448d02596701d57ef"`
[INFO] [stdout] d5a7e0a314011cb063891348f1fac51bb3e8487a96b6b82448d02596701d57ef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] dcfb642f4c9c4b536466da760e1adf37f9b0b1225c24a1b3373d3d3b812dad08
[INFO] running `"docker" "start" "-a" "dcfb642f4c9c4b536466da760e1adf37f9b0b1225c24a1b3373d3d3b812dad08"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linked_list_cycle_detection-92ac243bea5ebb5b
[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" "dcfb642f4c9c4b536466da760e1adf37f9b0b1225c24a1b3373d3d3b812dad08"`
[INFO] running `"docker" "rm" "-f" "dcfb642f4c9c4b536466da760e1adf37f9b0b1225c24a1b3373d3d3b812dad08"`
[INFO] [stdout] dcfb642f4c9c4b536466da760e1adf37f9b0b1225c24a1b3373d3d3b812dad08