[INFO] cloning repository d-becker/compressions
[INFO] running `"git" "clone" "--bare" "git://github.com/d-becker/compressions.git" "work/cache/sources/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/d-becker/compressions'...
[INFO] running `"git" "clone" "work/cache/sources/gh/d-becker/compressions" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/d-becker/compressions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/d-becker/compressions" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/d-becker/compressions"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/d-becker/compressions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d934668491fdbcf6b503f4759f0816180627e014
[INFO] sha for GitHub repo d-becker/compressions: d934668491fdbcf6b503f4759f0816180627e014
[INFO] validating manifest of d-becker/compressions 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 d-becker/compressions 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 d-becker/compressions
[INFO] finished frobbing d-becker/compressions
[INFO] frobbed toml for d-becker/compressions written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/d-becker/compressions/Cargo.toml
[INFO] started frobbing d-becker/compressions
[INFO] finished frobbing d-becker/compressions
[INFO] frobbed toml for d-becker/compressions written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/d-becker/compressions/Cargo.toml
[INFO] crate d-becker/compressions 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 d-becker/compressions against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/d-becker/compressions:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 52e357912ba044ba9a7aec8adb923cec98a747103256bd83fbcfa2d055faaa8b
[INFO] running `"docker" "start" "-a" "52e357912ba044ba9a7aec8adb923cec98a747103256bd83fbcfa2d055faaa8b"`
[INFO] [stderr]     Checking compression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "52e357912ba044ba9a7aec8adb923cec98a747103256bd83fbcfa2d055faaa8b"`
[INFO] running `"docker" "rm" "-f" "52e357912ba044ba9a7aec8adb923cec98a747103256bd83fbcfa2d055faaa8b"`
[INFO] [stdout] 52e357912ba044ba9a7aec8adb923cec98a747103256bd83fbcfa2d055faaa8b