[INFO] updating cached repository abhijat/rust-network-stuff [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/abhijat/rust-network-stuff [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/abhijat/rust-network-stuff" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/abhijat/rust-network-stuff"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/abhijat/rust-network-stuff'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/abhijat/rust-network-stuff" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/abhijat/rust-network-stuff"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/abhijat/rust-network-stuff'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2c1885c6381808e874663f4e97f981ca7802e45f [INFO] sha for GitHub repo abhijat/rust-network-stuff: 2c1885c6381808e874663f4e97f981ca7802e45f [INFO] validating manifest of abhijat/rust-network-stuff on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of abhijat/rust-network-stuff on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing abhijat/rust-network-stuff [INFO] finished frobbing abhijat/rust-network-stuff [INFO] frobbed toml for abhijat/rust-network-stuff written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/abhijat/rust-network-stuff/Cargo.toml [INFO] started frobbing abhijat/rust-network-stuff [INFO] finished frobbing abhijat/rust-network-stuff [INFO] frobbed toml for abhijat/rust-network-stuff written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/abhijat/rust-network-stuff/Cargo.toml [INFO] crate abhijat/rust-network-stuff already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking abhijat/rust-network-stuff against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/abhijat/rust-network-stuff:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1657a415d541374ae1df78f185c101fe4a94750d964515d1591e70a04dcd6b20 [INFO] running `"docker" "start" "-a" "1657a415d541374ae1df78f185c101fe4a94750d964515d1591e70a04dcd6b20"` [INFO] [stderr] Checking serde v1.0.32 [INFO] [stderr] Checking users v0.6.1 [INFO] [stderr] Compiling serde_derive_internals v0.20.1 [INFO] [stderr] Compiling serde_derive v1.0.32 [INFO] [stderr] Checking serde_json v1.0.11 [INFO] [stderr] Checking simple-tcp-server-client v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.07s [INFO] running `"docker" "inspect" "1657a415d541374ae1df78f185c101fe4a94750d964515d1591e70a04dcd6b20"` [INFO] running `"docker" "rm" "-f" "1657a415d541374ae1df78f185c101fe4a94750d964515d1591e70a04dcd6b20"` [INFO] [stdout] 1657a415d541374ae1df78f185c101fe4a94750d964515d1591e70a04dcd6b20