[INFO] updating cached repository https://github.com/despawnerer/piston-tutorial
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] c69755067502ce49455eae7683b051d3193d19f1
[INFO] checking despawnerer/piston-tutorial against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Fpiston-tutorial" "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/despawnerer/piston-tutorial on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/despawnerer/piston-tutorial
[INFO] finished tweaking git repo https://github.com/despawnerer/piston-tutorial
[INFO] tweaked toml for git repo https://github.com/despawnerer/piston-tutorial written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/despawnerer/piston-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9fef52c4163ed8f0fe180bd3e1b312d9514bc63c782e43d5ae98bfbe03455daf
[INFO] running `"docker" "start" "-a" "9fef52c4163ed8f0fe180bd3e1b312d9514bc63c782e43d5ae98bfbe03455daf"`
[INFO] [stderr]     Checking draw_state v0.3.0
[INFO] [stderr]     Checking piston2d-graphics v0.15.0
[INFO] [stderr]     Checking pistoncore-window v0.15.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.18.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.21.0
[INFO] [stderr]     Checking gfx_core v0.1.2
[INFO] [stderr]     Checking piston v0.18.0
[INFO] [stderr]     Checking gfx v0.9.1
[INFO] [stderr]     Checking gfx_device_gl v0.8.2
[INFO] [stderr]     Checking piston-gfx_texture v0.10.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.23.1
[INFO] [stderr]     Checking piston_window v0.38.0
[INFO] [stderr]     Checking piston-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.09s
[INFO] running `"docker" "inspect" "9fef52c4163ed8f0fe180bd3e1b312d9514bc63c782e43d5ae98bfbe03455daf"`
[INFO] running `"docker" "rm" "-f" "9fef52c4163ed8f0fe180bd3e1b312d9514bc63c782e43d5ae98bfbe03455daf"`
[INFO] [stdout] 9fef52c4163ed8f0fe180bd3e1b312d9514bc63c782e43d5ae98bfbe03455daf