[INFO] updating cached repository piot/git-backup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/piot/git-backup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/piot/git-backup" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/piot/git-backup"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/piot/git-backup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/piot/git-backup" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/piot/git-backup"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/piot/git-backup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3cdba572c317c6e3942b4f5f133da251964e655
[INFO] sha for GitHub repo piot/git-backup: e3cdba572c317c6e3942b4f5f133da251964e655
[INFO] validating manifest of piot/git-backup on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of piot/git-backup on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing piot/git-backup
[INFO] finished frobbing piot/git-backup
[INFO] frobbed toml for piot/git-backup written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/piot/git-backup/Cargo.toml
[INFO] started frobbing piot/git-backup
[INFO] finished frobbing piot/git-backup
[INFO] frobbed toml for piot/git-backup written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/piot/git-backup/Cargo.toml
[INFO] crate piot/git-backup already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking piot/git-backup against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/piot/git-backup:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b62bc96e54afe1c21850537910750eec3004fc299c5977cfa2d5b42293bce53
[INFO] running `"docker" "start" "-a" "1b62bc96e54afe1c21850537910750eec3004fc299c5977cfa2d5b42293bce53"`
[INFO] [stderr]     Checking serde_json v1.0.36
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking git-backup v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `"docker" "inspect" "1b62bc96e54afe1c21850537910750eec3004fc299c5977cfa2d5b42293bce53"`
[INFO] running `"docker" "rm" "-f" "1b62bc96e54afe1c21850537910750eec3004fc299c5977cfa2d5b42293bce53"`
[INFO] [stdout] 1b62bc96e54afe1c21850537910750eec3004fc299c5977cfa2d5b42293bce53