[INFO] updating cached repository KeisukeToyota/socket-programming [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/KeisukeToyota/socket-programming [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/KeisukeToyota/socket-programming" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/KeisukeToyota/socket-programming"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/KeisukeToyota/socket-programming'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/KeisukeToyota/socket-programming" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/KeisukeToyota/socket-programming"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/KeisukeToyota/socket-programming'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] da2f5d734b8a9a4ddb2c8fb9308063cea07d11a4 [INFO] sha for GitHub repo KeisukeToyota/socket-programming: da2f5d734b8a9a4ddb2c8fb9308063cea07d11a4 [INFO] validating manifest of KeisukeToyota/socket-programming on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of KeisukeToyota/socket-programming on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing KeisukeToyota/socket-programming [INFO] finished frobbing KeisukeToyota/socket-programming [INFO] frobbed toml for KeisukeToyota/socket-programming written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/KeisukeToyota/socket-programming/Cargo.toml [INFO] started frobbing KeisukeToyota/socket-programming [INFO] finished frobbing KeisukeToyota/socket-programming [INFO] frobbed toml for KeisukeToyota/socket-programming written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/KeisukeToyota/socket-programming/Cargo.toml [INFO] crate KeisukeToyota/socket-programming already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking KeisukeToyota/socket-programming against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/KeisukeToyota/socket-programming:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1a5b0ce83d2bccdd502001774f3dc20ee52d16e021df8122d8266f99d27689d5 [INFO] running `"docker" "start" "-a" "1a5b0ce83d2bccdd502001774f3dc20ee52d16e021df8122d8266f99d27689d5"` [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking socket-programming v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.64s [INFO] running `"docker" "inspect" "1a5b0ce83d2bccdd502001774f3dc20ee52d16e021df8122d8266f99d27689d5"` [INFO] running `"docker" "rm" "-f" "1a5b0ce83d2bccdd502001774f3dc20ee52d16e021df8122d8266f99d27689d5"` [INFO] [stdout] 1a5b0ce83d2bccdd502001774f3dc20ee52d16e021df8122d8266f99d27689d5