[INFO] updating cached repository mandober/rust-maybe-type
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mandober/rust-maybe-type
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mandober/rust-maybe-type" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mandober/rust-maybe-type"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mandober/rust-maybe-type'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mandober/rust-maybe-type" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/mandober/rust-maybe-type"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/mandober/rust-maybe-type'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a30396b6d4105cda4807018011c782afe17ebbd
[INFO] sha for GitHub repo mandober/rust-maybe-type: 4a30396b6d4105cda4807018011c782afe17ebbd
[INFO] validating manifest of mandober/rust-maybe-type on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mandober/rust-maybe-type on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mandober/rust-maybe-type
[INFO] finished frobbing mandober/rust-maybe-type
[INFO] frobbed toml for mandober/rust-maybe-type written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mandober/rust-maybe-type/Cargo.toml
[INFO] started frobbing mandober/rust-maybe-type
[INFO] finished frobbing mandober/rust-maybe-type
[INFO] frobbed toml for mandober/rust-maybe-type written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/mandober/rust-maybe-type/Cargo.toml
[INFO] crate mandober/rust-maybe-type already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mandober/rust-maybe-type against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mandober/rust-maybe-type:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 68613f52678edbeb08ba594c950b33b7c7976daa897cbc332e945ec16d2c0b49
[INFO] running `"docker" "start" "-a" "68613f52678edbeb08ba594c950b33b7c7976daa897cbc332e945ec16d2c0b49"`
[INFO] [stderr]     Checking maybe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "68613f52678edbeb08ba594c950b33b7c7976daa897cbc332e945ec16d2c0b49"`
[INFO] running `"docker" "rm" "-f" "68613f52678edbeb08ba594c950b33b7c7976daa897cbc332e945ec16d2c0b49"`
[INFO] [stdout] 68613f52678edbeb08ba594c950b33b7c7976daa897cbc332e945ec16d2c0b49