[INFO] updating cached repository domsj/rust-sd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/domsj/rust-sd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/domsj/rust-sd" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/domsj/rust-sd"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/domsj/rust-sd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/domsj/rust-sd" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/domsj/rust-sd"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/domsj/rust-sd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 756a9ebeb6ab0ce986538fe45cc345d8383220ac
[INFO] sha for GitHub repo domsj/rust-sd: 756a9ebeb6ab0ce986538fe45cc345d8383220ac
[INFO] validating manifest of domsj/rust-sd on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of domsj/rust-sd on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing domsj/rust-sd
[INFO] finished frobbing domsj/rust-sd
[INFO] frobbed toml for domsj/rust-sd written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/domsj/rust-sd/Cargo.toml
[INFO] started frobbing domsj/rust-sd
[INFO] finished frobbing domsj/rust-sd
[INFO] frobbed toml for domsj/rust-sd written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/domsj/rust-sd/Cargo.toml
[INFO] crate domsj/rust-sd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking domsj/rust-sd against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-1/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/domsj/rust-sd:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4541e3e90e850459f5efb2d2ff288a10f45d42d3551eccb99bec91daf7c4e4ad
[INFO] running `"docker" "start" "-a" "4541e3e90e850459f5efb2d2ff288a10f45d42d3551eccb99bec91daf7c4e4ad"`
[INFO] [stderr]     Checking serde_json v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]     Checking rust_sd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `tcp_stream`
[INFO] [stderr]    --> src/main.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let tcp_stream =
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_tcp_stream`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageCodec`
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     struct MessageCodec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tcp_stream`
[INFO] [stderr]    --> src/main.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let tcp_stream =
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_tcp_stream`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MessageCodec`
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     struct MessageCodec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `"docker" "inspect" "4541e3e90e850459f5efb2d2ff288a10f45d42d3551eccb99bec91daf7c4e4ad"`
[INFO] running `"docker" "rm" "-f" "4541e3e90e850459f5efb2d2ff288a10f45d42d3551eccb99bec91daf7c4e4ad"`
[INFO] [stdout] 4541e3e90e850459f5efb2d2ff288a10f45d42d3551eccb99bec91daf7c4e4ad