Dec 18 06:17:30.201 INFO checking NathanielPerkins/Serial_Logger against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:17:30.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/NathanielPerkins/Serial_Logger:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:17:30.798 INFO [stdout] a699956e9a0532df0fff2d8bb1cafbb11d21527f52a08c307dfd0e105cb7c9ea
Dec 18 06:17:30.800 INFO running `"docker" "start" "-a" "a699956e9a0532df0fff2d8bb1cafbb11d21527f52a08c307dfd0e105cb7c9ea"`
Dec 18 06:17:32.480 INFO [stderr]     Checking termios v0.2.2
Dec 18 06:17:32.480 INFO [stderr]     Checking ioctl-rs v0.1.5
Dec 18 06:17:33.080 INFO [stderr]     Checking serial v0.3.4
Dec 18 06:17:33.614 INFO [stderr]     Checking EGH456_Logger v0.1.0 (/opt/crater/workdir)
Dec 18 06:17:33.928 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:17:33.928 INFO [stderr]  --> src/main.rs:3:5
Dec 18 06:17:33.928 INFO [stderr]   |
Dec 18 06:17:33.928 INFO [stderr] 3 | use std::env;
Dec 18 06:17:33.928 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:17:33.928 INFO [stderr]   |
Dec 18 06:17:33.928 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:17:33.928 INFO [stderr] 
Dec 18 06:17:33.928 INFO [stderr] warning: unused import: `std::process`
Dec 18 06:17:33.928 INFO [stderr]  --> src/main.rs:6:5
Dec 18 06:17:33.928 INFO [stderr]   |
Dec 18 06:17:33.928 INFO [stderr] 6 | use std::process;
Dec 18 06:17:33.928 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 06:17:33.928 INFO [stderr] 
Dec 18 06:17:33.964 INFO [stderr] warning: unused variable: `run_main`
Dec 18 06:17:33.964 INFO [stderr]   --> src/main.rs:20:9
Dec 18 06:17:33.964 INFO [stderr]    |
Dec 18 06:17:33.964 INFO [stderr] 20 |     let run_main = run.clone();
Dec 18 06:17:33.964 INFO [stderr]    |         ^^^^^^^^ help: consider using `_run_main` instead
Dec 18 06:17:33.964 INFO [stderr]    |
Dec 18 06:17:33.964 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:17:33.964 INFO [stderr] 
Dec 18 06:17:33.980 INFO [stderr] warning: crate `EGH456_Logger` should have a snake case name such as `egh456_logger`
Dec 18 06:17:33.980 INFO [stderr]   |
Dec 18 06:17:33.980 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 06:17:33.980 INFO [stderr] 
Dec 18 06:17:33.984 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:17:33.984 INFO [stderr]   --> src/main.rs:27:5
Dec 18 06:17:33.984 INFO [stderr]    |
Dec 18 06:17:33.984 INFO [stderr] 27 |     sc.join().unwrap();
Dec 18 06:17:33.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 06:17:33.984 INFO [stderr]    |
Dec 18 06:17:33.984 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:17:33.984 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:17:33.984 INFO [stderr] 
Dec 18 06:17:34.035 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:17:34.035 INFO [stderr]  --> src/main.rs:3:5
Dec 18 06:17:34.035 INFO [stderr]   |
Dec 18 06:17:34.035 INFO [stderr] 3 | use std::env;
Dec 18 06:17:34.035 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:17:34.035 INFO [stderr]   |
Dec 18 06:17:34.035 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:17:34.035 INFO [stderr] 
Dec 18 06:17:34.035 INFO [stderr] warning: unused import: `std::process`
Dec 18 06:17:34.035 INFO [stderr]  --> src/main.rs:6:5
Dec 18 06:17:34.035 INFO [stderr]   |
Dec 18 06:17:34.035 INFO [stderr] 6 | use std::process;
Dec 18 06:17:34.035 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 06:17:34.035 INFO [stderr] 
Dec 18 06:17:34.092 INFO [stderr] warning: unused variable: `run_main`
Dec 18 06:17:34.092 INFO [stderr]   --> src/main.rs:20:9
Dec 18 06:17:34.092 INFO [stderr]    |
Dec 18 06:17:34.092 INFO [stderr] 20 |     let run_main = run.clone();
Dec 18 06:17:34.092 INFO [stderr]    |         ^^^^^^^^ help: consider using `_run_main` instead
Dec 18 06:17:34.092 INFO [stderr]    |
Dec 18 06:17:34.092 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:17:34.092 INFO [stderr] 
Dec 18 06:17:34.108 INFO [stderr] warning: crate `EGH456_Logger` should have a snake case name such as `egh456_logger`
Dec 18 06:17:34.108 INFO [stderr]   |
Dec 18 06:17:34.108 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 06:17:34.108 INFO [stderr] 
Dec 18 06:17:34.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:17:34.120 INFO [stderr]   --> src/main.rs:27:5
Dec 18 06:17:34.120 INFO [stderr]    |
Dec 18 06:17:34.120 INFO [stderr] 27 |     sc.join().unwrap();
Dec 18 06:17:34.120 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 06:17:34.120 INFO [stderr]    |
Dec 18 06:17:34.120 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:17:34.120 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:17:34.120 INFO [stderr] 
Dec 18 06:17:34.148 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
Dec 18 06:17:35.230 INFO running `"docker" "inspect" "a699956e9a0532df0fff2d8bb1cafbb11d21527f52a08c307dfd0e105cb7c9ea"`
Dec 18 06:17:35.454 INFO running `"docker" "rm" "-f" "a699956e9a0532df0fff2d8bb1cafbb11d21527f52a08c307dfd0e105cb7c9ea"`
Dec 18 06:17:35.712 INFO [stdout] a699956e9a0532df0fff2d8bb1cafbb11d21527f52a08c307dfd0e105cb7c9ea