[INFO] cloning repository collinwright/skim
[INFO] running `"git" "clone" "--bare" "git://github.com/collinwright/skim.git" "work/cache/sources/gh/collinwright/skim"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/collinwright/skim'...
[INFO] running `"git" "clone" "work/cache/sources/gh/collinwright/skim" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/collinwright/skim"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/collinwright/skim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/collinwright/skim" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/collinwright/skim"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/collinwright/skim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3943e5b6ba3a5f1f867d9b59bc3831092c8e4929
[INFO] sha for GitHub repo collinwright/skim: 3943e5b6ba3a5f1f867d9b59bc3831092c8e4929
[INFO] validating manifest of collinwright/skim on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of collinwright/skim on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing collinwright/skim
[INFO] finished frobbing collinwright/skim
[INFO] frobbed toml for collinwright/skim written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/collinwright/skim/Cargo.toml
[INFO] started frobbing collinwright/skim
[INFO] finished frobbing collinwright/skim
[INFO] frobbed toml for collinwright/skim written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/collinwright/skim/Cargo.toml
[INFO] crate collinwright/skim already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking collinwright/skim against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/collinwright/skim:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ebaaa076b2eb6abb9f716a6531cc50c560f01b22be5ea2bb4961e8c8aae15166
[INFO] running `"docker" "start" "-a" "ebaaa076b2eb6abb9f716a6531cc50c560f01b22be5ea2bb4961e8c8aae15166"`
[INFO] [stderr]     Checking custom_error v1.3.0
[INFO] [stderr]     Checking skim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "ebaaa076b2eb6abb9f716a6531cc50c560f01b22be5ea2bb4961e8c8aae15166"`
[INFO] running `"docker" "rm" "-f" "ebaaa076b2eb6abb9f716a6531cc50c560f01b22be5ea2bb4961e8c8aae15166"`
[INFO] [stdout] ebaaa076b2eb6abb9f716a6531cc50c560f01b22be5ea2bb4961e8c8aae15166