Dec 19 20:40:28.132 INFO checking alexmullins/finger-client against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:40:28.132 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/alexmullins/finger-client:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:40:28.518 INFO [stdout] 49ff90f238b0589959525a62d25e695aca998ece186ebf8df1f971a37855a17e
Dec 19 20:40:28.528 INFO running `"docker" "start" "-a" "49ff90f238b0589959525a62d25e695aca998ece186ebf8df1f971a37855a17e"`
Dec 19 20:40:30.272 INFO [stderr]     Checking finger-client v0.1.0 (/opt/crater/workdir)
Dec 19 20:40:31.012 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:40:31.012 INFO [stderr]   --> src/main.rs:40:5
Dec 19 20:40:31.012 INFO [stderr]    |
Dec 19 20:40:31.012 INFO [stderr] 40 |     write!(&mut stream, "\r\n");
Dec 19 20:40:31.013 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:40:31.013 INFO [stderr]    |
Dec 19 20:40:31.013 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:40:31.013 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:40:31.013 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:40:31.013 INFO [stderr] 
Dec 19 20:40:31.087 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:40:31.088 INFO [stderr]   --> src/main.rs:40:5
Dec 19 20:40:31.088 INFO [stderr]    |
Dec 19 20:40:31.088 INFO [stderr] 40 |     write!(&mut stream, "\r\n");
Dec 19 20:40:31.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:40:31.089 INFO [stderr]    |
Dec 19 20:40:31.089 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:40:31.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:40:31.089 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 20:40:31.090 INFO [stderr] 
Dec 19 20:40:31.145 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 19 20:40:32.272 INFO running `"docker" "inspect" "49ff90f238b0589959525a62d25e695aca998ece186ebf8df1f971a37855a17e"`
Dec 19 20:40:32.548 INFO running `"docker" "rm" "-f" "49ff90f238b0589959525a62d25e695aca998ece186ebf8df1f971a37855a17e"`
Dec 19 20:40:32.964 INFO [stdout] 49ff90f238b0589959525a62d25e695aca998ece186ebf8df1f971a37855a17e