[INFO] updating cached repository royinttime/rust_little_scanner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/royinttime/rust_little_scanner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/royinttime/rust_little_scanner" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/royinttime/rust_little_scanner"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/royinttime/rust_little_scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/royinttime/rust_little_scanner" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/royinttime/rust_little_scanner"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/royinttime/rust_little_scanner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4670d4fe8c1360545a717f849bd1204742889a7
[INFO] sha for GitHub repo royinttime/rust_little_scanner: f4670d4fe8c1360545a717f849bd1204742889a7
[INFO] validating manifest of royinttime/rust_little_scanner on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of royinttime/rust_little_scanner on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing royinttime/rust_little_scanner
[INFO] finished frobbing royinttime/rust_little_scanner
[INFO] frobbed toml for royinttime/rust_little_scanner written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/royinttime/rust_little_scanner/Cargo.toml
[INFO] started frobbing royinttime/rust_little_scanner
[INFO] finished frobbing royinttime/rust_little_scanner
[INFO] frobbed toml for royinttime/rust_little_scanner written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/royinttime/rust_little_scanner/Cargo.toml
[INFO] crate royinttime/rust_little_scanner has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking royinttime/rust_little_scanner against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-0/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/royinttime/rust_little_scanner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 077b70157beb4a1316321100a5214f5473a3cfc45094c9b44eb001b7d5e2806a
[INFO] running `"docker" "start" "-a" "077b70157beb4a1316321100a5214f5473a3cfc45094c9b44eb001b7d5e2806a"`
[INFO] [stderr]     Checking scanner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "077b70157beb4a1316321100a5214f5473a3cfc45094c9b44eb001b7d5e2806a"`
[INFO] running `"docker" "rm" "-f" "077b70157beb4a1316321100a5214f5473a3cfc45094c9b44eb001b7d5e2806a"`
[INFO] [stdout] 077b70157beb4a1316321100a5214f5473a3cfc45094c9b44eb001b7d5e2806a