[INFO] cloning repository johshoff/concurrent_speed_test
[INFO] running `"git" "clone" "--bare" "git://github.com/johshoff/concurrent_speed_test.git" "work/cache/sources/gh/johshoff/concurrent_speed_test"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/johshoff/concurrent_speed_test'...
[INFO] running `"git" "clone" "work/cache/sources/gh/johshoff/concurrent_speed_test" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/johshoff/concurrent_speed_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/johshoff/concurrent_speed_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johshoff/concurrent_speed_test" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/johshoff/concurrent_speed_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/johshoff/concurrent_speed_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d418bf0b604ee45aaabed534976979bffcaf6194
[INFO] sha for GitHub repo johshoff/concurrent_speed_test: d418bf0b604ee45aaabed534976979bffcaf6194
[INFO] validating manifest of johshoff/concurrent_speed_test 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 johshoff/concurrent_speed_test 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 johshoff/concurrent_speed_test
[INFO] finished frobbing johshoff/concurrent_speed_test
[INFO] frobbed toml for johshoff/concurrent_speed_test written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/johshoff/concurrent_speed_test/Cargo.toml
[INFO] started frobbing johshoff/concurrent_speed_test
[INFO] finished frobbing johshoff/concurrent_speed_test
[INFO] frobbed toml for johshoff/concurrent_speed_test written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/johshoff/concurrent_speed_test/Cargo.toml
[INFO] crate johshoff/concurrent_speed_test 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] [stderr]     Updating git repository `https://github.com/johshoff/concurrent_queue.git`
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/johshoff/concurrent_speed_test/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/johshoff/concurrent_queue.git`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/johshoff/concurrent_queue.git`
[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 johshoff/concurrent_speed_test 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/johshoff/concurrent_speed_test:/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] 8137a5af3a7ab7801b9796f0915e12b6ad8fd298ce561f8086e814a6395cab6a
[INFO] running `"docker" "start" "-a" "8137a5af3a7ab7801b9796f0915e12b6ad8fd298ce561f8086e814a6395cab6a"`
[INFO] [stderr]     Checking concurrent_queue v0.1.0 (https://github.com/johshoff/concurrent_queue.git#d517cfdf)
[INFO] [stderr]     Checking speed-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "8137a5af3a7ab7801b9796f0915e12b6ad8fd298ce561f8086e814a6395cab6a"`
[INFO] running `"docker" "rm" "-f" "8137a5af3a7ab7801b9796f0915e12b6ad8fd298ce561f8086e814a6395cab6a"`
[INFO] [stdout] 8137a5af3a7ab7801b9796f0915e12b6ad8fd298ce561f8086e814a6395cab6a