[INFO] updating cached repository bluejekyll/multicast-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bluejekyll/multicast-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bluejekyll/multicast-example" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/bluejekyll/multicast-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/bluejekyll/multicast-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluejekyll/multicast-example" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/bluejekyll/multicast-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/bluejekyll/multicast-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c3ef3be23e6cf0a9c30900ef40d14b52ccf93efe
[INFO] sha for GitHub repo bluejekyll/multicast-example: c3ef3be23e6cf0a9c30900ef40d14b52ccf93efe
[INFO] validating manifest of bluejekyll/multicast-example on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bluejekyll/multicast-example on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bluejekyll/multicast-example
[INFO] finished frobbing bluejekyll/multicast-example
[INFO] frobbed toml for bluejekyll/multicast-example written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/bluejekyll/multicast-example/Cargo.toml
[INFO] started frobbing bluejekyll/multicast-example
[INFO] finished frobbing bluejekyll/multicast-example
[INFO] frobbed toml for bluejekyll/multicast-example written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/bluejekyll/multicast-example/Cargo.toml
[INFO] crate bluejekyll/multicast-example has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bluejekyll/multicast-example against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-3/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/bluejekyll/multicast-example:/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b16154a29c0666f980db22d3a78b28cdd9cab45b7d2050b6ad945bb3e7c2e0e
[INFO] running `"docker" "start" "-a" "8b16154a29c0666f980db22d3a78b28cdd9cab45b7d2050b6ad945bb3e7c2e0e"`
[INFO] [stderr]     Checking socket2 v0.3.4
[INFO] [stderr]     Checking multicast-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "8b16154a29c0666f980db22d3a78b28cdd9cab45b7d2050b6ad945bb3e7c2e0e"`
[INFO] running `"docker" "rm" "-f" "8b16154a29c0666f980db22d3a78b28cdd9cab45b7d2050b6ad945bb3e7c2e0e"`
[INFO] [stdout] 8b16154a29c0666f980db22d3a78b28cdd9cab45b7d2050b6ad945bb3e7c2e0e