[INFO] updating cached repository pablosmedina/rs_pingpong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pablosmedina/rs_pingpong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pablosmedina/rs_pingpong" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/pablosmedina/rs_pingpong"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/pablosmedina/rs_pingpong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pablosmedina/rs_pingpong" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/pablosmedina/rs_pingpong"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/pablosmedina/rs_pingpong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4427229924559b5fbc027a0bc6c5123d10c9e3d
[INFO] sha for GitHub repo pablosmedina/rs_pingpong: e4427229924559b5fbc027a0bc6c5123d10c9e3d
[INFO] validating manifest of pablosmedina/rs_pingpong on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pablosmedina/rs_pingpong on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pablosmedina/rs_pingpong
[INFO] finished frobbing pablosmedina/rs_pingpong
[INFO] frobbed toml for pablosmedina/rs_pingpong written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/pablosmedina/rs_pingpong/Cargo.toml
[INFO] started frobbing pablosmedina/rs_pingpong
[INFO] finished frobbing pablosmedina/rs_pingpong
[INFO] frobbed toml for pablosmedina/rs_pingpong written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/pablosmedina/rs_pingpong/Cargo.toml
[INFO] crate pablosmedina/rs_pingpong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pablosmedina/rs_pingpong against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-5/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/pablosmedina/rs_pingpong:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 881ead36e8e9063476ee85758a28149eae9142bf5f35090f537ff3ddb8a7e3a8
[INFO] running `"docker" "start" "-a" "881ead36e8e9063476ee85758a28149eae9142bf5f35090f537ff3ddb8a7e3a8"`
[INFO] [stderr]     Checking rs_pingpong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "881ead36e8e9063476ee85758a28149eae9142bf5f35090f537ff3ddb8a7e3a8"`
[INFO] running `"docker" "rm" "-f" "881ead36e8e9063476ee85758a28149eae9142bf5f35090f537ff3ddb8a7e3a8"`
[INFO] [stdout] 881ead36e8e9063476ee85758a28149eae9142bf5f35090f537ff3ddb8a7e3a8