[INFO] updating cached repository joshleeb/mercury
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joshleeb/mercury
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joshleeb/mercury" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/joshleeb/mercury"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/joshleeb/mercury'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joshleeb/mercury" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/joshleeb/mercury"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/joshleeb/mercury'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c0d6b0ec374291d8b17c0fe9fa8c6ec4a984352
[INFO] sha for GitHub repo joshleeb/mercury: 0c0d6b0ec374291d8b17c0fe9fa8c6ec4a984352
[INFO] validating manifest of joshleeb/mercury 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 joshleeb/mercury 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 joshleeb/mercury
[INFO] finished frobbing joshleeb/mercury
[INFO] frobbed toml for joshleeb/mercury written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/joshleeb/mercury/Cargo.toml
[INFO] started frobbing joshleeb/mercury
[INFO] finished frobbing joshleeb/mercury
[INFO] frobbed toml for joshleeb/mercury written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/joshleeb/mercury/Cargo.toml
[INFO] crate joshleeb/mercury 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 joshleeb/mercury against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-7/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/joshleeb/mercury:/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 336ef53b2400a18b4266ad226091ec52b138d43bfd9a1feb862f54d03748724f
[INFO] running `"docker" "start" "-a" "336ef53b2400a18b4266ad226091ec52b138d43bfd9a1feb862f54d03748724f"`
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking openssl-sys v0.9.26
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking openssl v0.9.24
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking mqtt-protocol v0.3.1
[INFO] [stderr]     Checking rumqtt v0.10.1
[INFO] [stderr]     Checking mercury v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `publish`
[INFO] [stderr]   --> src/client.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn publish(&mut self, path: &str, quality: QoS, message: Vec<u8>) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `publish`
[INFO] [stderr]   --> src/client.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn publish(&mut self, path: &str, quality: QoS, message: Vec<u8>) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `"docker" "inspect" "336ef53b2400a18b4266ad226091ec52b138d43bfd9a1feb862f54d03748724f"`
[INFO] running `"docker" "rm" "-f" "336ef53b2400a18b4266ad226091ec52b138d43bfd9a1feb862f54d03748724f"`
[INFO] [stdout] 336ef53b2400a18b4266ad226091ec52b138d43bfd9a1feb862f54d03748724f