[INFO] cloning repository WeAreRust/protogen
[INFO] running `"git" "clone" "--bare" "git://github.com/WeAreRust/protogen.git" "work/cache/sources/gh/WeAreRust/protogen"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/WeAreRust/protogen'...
[INFO] running `"git" "clone" "work/cache/sources/gh/WeAreRust/protogen" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/WeAreRust/protogen"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/WeAreRust/protogen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/WeAreRust/protogen" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/WeAreRust/protogen"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/WeAreRust/protogen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42eba5539041e0ff3eb33a0571ab9d901bc5e460
[INFO] sha for GitHub repo WeAreRust/protogen: 42eba5539041e0ff3eb33a0571ab9d901bc5e460
[INFO] validating manifest of WeAreRust/protogen 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 WeAreRust/protogen 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 WeAreRust/protogen
[INFO] finished frobbing WeAreRust/protogen
[INFO] frobbed toml for WeAreRust/protogen written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/WeAreRust/protogen/Cargo.toml
[INFO] started frobbing WeAreRust/protogen
[INFO] finished frobbing WeAreRust/protogen
[INFO] frobbed toml for WeAreRust/protogen written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/WeAreRust/protogen/Cargo.toml
[INFO] crate WeAreRust/protogen 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 WeAreRust/protogen 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/WeAreRust/protogen:/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] d1092fdb7c994adc1839df4e6b6133b87149c363c20dd7bb6a44f914afd0041b
[INFO] running `"docker" "start" "-a" "d1092fdb7c994adc1839df4e6b6133b87149c363c20dd7bb6a44f914afd0041b"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking protogen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "d1092fdb7c994adc1839df4e6b6133b87149c363c20dd7bb6a44f914afd0041b"`
[INFO] running `"docker" "rm" "-f" "d1092fdb7c994adc1839df4e6b6133b87149c363c20dd7bb6a44f914afd0041b"`
[INFO] [stdout] d1092fdb7c994adc1839df4e6b6133b87149c363c20dd7bb6a44f914afd0041b