Dec 19 14:56:09.334 INFO checking joshleeb/mercury against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:56:09.334 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:56:09.636 INFO [stdout] dcb5ef7d8fa2b180599e0c64bc87f4c92d67777a65434ec3e3ccad16bd5bf020
Dec 19 14:56:09.638 INFO running `"docker" "start" "-a" "dcb5ef7d8fa2b180599e0c64bc87f4c92d67777a65434ec3e3ccad16bd5bf020"`
Dec 19 14:56:11.428 INFO [stderr]     Checking byteorder v0.3.13
Dec 19 14:56:11.428 INFO [stderr]     Checking memchr v0.1.11
Dec 19 14:56:11.428 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 14:56:11.446 INFO [stderr]     Checking iovec v0.1.2
Dec 19 14:56:11.446 INFO [stderr]    Compiling openssl-sys v0.9.26
Dec 19 14:56:11.446 INFO [stderr]     Checking rand v0.3.22
Dec 19 14:56:11.446 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 14:56:12.272 INFO [stderr]     Checking threadpool v1.7.1
Dec 19 14:56:12.480 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 14:56:12.648 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 14:56:12.737 INFO [stderr]     Checking bytes v0.4.6
Dec 19 14:56:13.993 INFO [stderr]     Checking regex v0.1.80
Dec 19 14:56:15.248 INFO [stderr]    Compiling openssl v0.9.24
Dec 19 14:56:16.159 INFO [stderr]     Checking mqtt-protocol v0.3.1
Dec 19 14:56:18.496 INFO [stderr]     Checking rumqtt v0.10.1
Dec 19 14:56:19.249 INFO [stderr]     Checking mercury v0.1.0 (/opt/crater/workdir)
Dec 19 14:56:19.644 INFO [stderr] warning: method is never used: `publish`
Dec 19 14:56:19.644 INFO [stderr]   --> src/client.rs:38:5
Dec 19 14:56:19.644 INFO [stderr]    |
Dec 19 14:56:19.644 INFO [stderr] 38 |     pub fn publish(&mut self, path: &str, quality: QoS, message: Vec<u8>) -> io::Result<()> {
Dec 19 14:56:19.644 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:56:19.644 INFO [stderr]    |
Dec 19 14:56:19.644 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:56:19.644 INFO [stderr] 
Dec 19 14:56:19.651 INFO [stderr] warning: method is never used: `publish`
Dec 19 14:56:19.651 INFO [stderr]   --> src/client.rs:38:5
Dec 19 14:56:19.651 INFO [stderr]    |
Dec 19 14:56:19.651 INFO [stderr] 38 |     pub fn publish(&mut self, path: &str, quality: QoS, message: Vec<u8>) -> io::Result<()> {
Dec 19 14:56:19.651 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:56:19.651 INFO [stderr]    |
Dec 19 14:56:19.651 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:56:19.651 INFO [stderr] 
Dec 19 14:56:19.678 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
Dec 19 14:56:19.946 INFO running `"docker" "inspect" "dcb5ef7d8fa2b180599e0c64bc87f4c92d67777a65434ec3e3ccad16bd5bf020"`
Dec 19 14:56:20.089 INFO running `"docker" "rm" "-f" "dcb5ef7d8fa2b180599e0c64bc87f4c92d67777a65434ec3e3ccad16bd5bf020"`
Dec 19 14:56:20.171 INFO [stdout] dcb5ef7d8fa2b180599e0c64bc87f4c92d67777a65434ec3e3ccad16bd5bf020