[INFO] updating cached repository opcow/fe_o2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/opcow/fe_o2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/opcow/fe_o2" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/opcow/fe_o2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/opcow/fe_o2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/opcow/fe_o2" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/opcow/fe_o2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/opcow/fe_o2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2caf9b39af8dc54327a31e997246f8b5ef81c285
[INFO] sha for GitHub repo opcow/fe_o2: 2caf9b39af8dc54327a31e997246f8b5ef81c285
[INFO] validating manifest of opcow/fe_o2 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 opcow/fe_o2 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 opcow/fe_o2
[INFO] finished frobbing opcow/fe_o2
[INFO] frobbed toml for opcow/fe_o2 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/opcow/fe_o2/Cargo.toml
[INFO] started frobbing opcow/fe_o2
[INFO] finished frobbing opcow/fe_o2
[INFO] frobbed toml for opcow/fe_o2 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/opcow/fe_o2/Cargo.toml
[INFO] crate opcow/fe_o2 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking opcow/fe_o2 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/opcow/fe_o2:/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] 7a5fc224ffc9a8b31178ce42648f430401ca3235d7ceeddbbae96bfef3061772
[INFO] running `"docker" "start" "-a" "7a5fc224ffc9a8b31178ce42648f430401ca3235d7ceeddbbae96bfef3061772"`
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking fe_o2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "7a5fc224ffc9a8b31178ce42648f430401ca3235d7ceeddbbae96bfef3061772"`
[INFO] running `"docker" "rm" "-f" "7a5fc224ffc9a8b31178ce42648f430401ca3235d7ceeddbbae96bfef3061772"`
[INFO] [stdout] 7a5fc224ffc9a8b31178ce42648f430401ca3235d7ceeddbbae96bfef3061772