Dec 11 13:52:19.529 INFO checking mcahriman/m590-proto against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:52:19.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 13:52:20.060 INFO [stdout] d05fc64341bcb05aba80842e634063ae0086a4af01bec72108da25c6350f83e7
Dec 11 13:52:20.068 INFO running `"docker" "start" "-a" "d05fc64341bcb05aba80842e634063ae0086a4af01bec72108da25c6350f83e7"`
Dec 11 13:52:21.458 INFO [stderr] usermod: no changes
Dec 11 13:52:21.515 INFO [stderr]     Checking serial-core v0.4.0
Dec 11 13:52:22.016 INFO [stderr]     Checking m590e-uart-proto v0.1.0 (/source)
Dec 11 13:52:22.305 INFO [stderr] warning: unused import: `std::io`
Dec 11 13:52:22.305 INFO [stderr]  --> src/main.rs:4:5
Dec 11 13:52:22.305 INFO [stderr]   |
Dec 11 13:52:22.305 INFO [stderr] 4 | use std::io;
Dec 11 13:52:22.305 INFO [stderr]   |     ^^^^^^^
Dec 11 13:52:22.305 INFO [stderr]   |
Dec 11 13:52:22.305 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:52:22.305 INFO [stderr] 
Dec 11 13:52:22.305 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 11 13:52:22.305 INFO [stderr]  --> src/main.rs:5:5
Dec 11 13:52:22.305 INFO [stderr]   |
Dec 11 13:52:22.305 INFO [stderr] 5 | use std::time::Duration;
Dec 11 13:52:22.305 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:52:22.305 INFO [stderr] 
Dec 11 13:52:22.305 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 13:52:22.305 INFO [stderr]  --> src/main.rs:9:5
Dec 11 13:52:22.305 INFO [stderr]   |
Dec 11 13:52:22.305 INFO [stderr] 9 | use std::io::prelude::*;
Dec 11 13:52:22.305 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:52:22.305 INFO [stderr] 
Dec 11 13:52:22.335 INFO [stderr] warning: unused import: `serial::prelude`
Dec 11 13:52:22.336 INFO [stderr]   --> src/main.rs:10:5
Dec 11 13:52:22.336 INFO [stderr]    |
Dec 11 13:52:22.336 INFO [stderr] 10 | use serial::prelude::*;
Dec 11 13:52:22.336 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 13:52:22.336 INFO [stderr] 
Dec 11 13:52:22.348 INFO [stderr] warning: constant item is never used: `E_ERR`
Dec 11 13:52:22.349 INFO [stderr]   --> src/main.rs:15:1
Dec 11 13:52:22.349 INFO [stderr]    |
Dec 11 13:52:22.349 INFO [stderr] 15 | const E_ERR: i32 = 1;
Dec 11 13:52:22.349 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:52:22.350 INFO [stderr]    |
Dec 11 13:52:22.350 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 13:52:22.350 INFO [stderr] 
Dec 11 13:52:22.404 INFO [stderr] warning: unused import: `std::io`
Dec 11 13:52:22.404 INFO [stderr]  --> src/main.rs:4:5
Dec 11 13:52:22.404 INFO [stderr]   |
Dec 11 13:52:22.404 INFO [stderr] 4 | use std::io;
Dec 11 13:52:22.404 INFO [stderr]   |     ^^^^^^^
Dec 11 13:52:22.404 INFO [stderr]   |
Dec 11 13:52:22.404 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:52:22.404 INFO [stderr] 
Dec 11 13:52:22.404 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 11 13:52:22.404 INFO [stderr]  --> src/main.rs:5:5
Dec 11 13:52:22.404 INFO [stderr]   |
Dec 11 13:52:22.404 INFO [stderr] 5 | use std::time::Duration;
Dec 11 13:52:22.404 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:52:22.404 INFO [stderr] 
Dec 11 13:52:22.404 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 13:52:22.404 INFO [stderr]  --> src/main.rs:9:5
Dec 11 13:52:22.404 INFO [stderr]   |
Dec 11 13:52:22.404 INFO [stderr] 9 | use std::io::prelude::*;
Dec 11 13:52:22.404 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:52:22.404 INFO [stderr] 
Dec 11 13:52:22.428 INFO [stderr] warning: unused import: `serial::prelude`
Dec 11 13:52:22.429 INFO [stderr]   --> src/main.rs:10:5
Dec 11 13:52:22.429 INFO [stderr]    |
Dec 11 13:52:22.429 INFO [stderr] 10 | use serial::prelude::*;
Dec 11 13:52:22.429 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 13:52:22.429 INFO [stderr] 
Dec 11 13:52:22.443 INFO [stderr] warning: constant item is never used: `E_ERR`
Dec 11 13:52:22.443 INFO [stderr]   --> src/main.rs:15:1
Dec 11 13:52:22.443 INFO [stderr]    |
Dec 11 13:52:22.443 INFO [stderr] 15 | const E_ERR: i32 = 1;
Dec 11 13:52:22.443 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:52:22.443 INFO [stderr]    |
Dec 11 13:52:22.443 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 13:52:22.443 INFO [stderr] 
Dec 11 13:52:22.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 11 13:52:22.464 INFO [stderr] su: No module specific data is present
Dec 11 13:52:22.854 INFO running `"docker" "inspect" "d05fc64341bcb05aba80842e634063ae0086a4af01bec72108da25c6350f83e7"`
Dec 11 13:52:23.037 INFO running `"docker" "rm" "-f" "d05fc64341bcb05aba80842e634063ae0086a4af01bec72108da25c6350f83e7"`
Dec 11 13:52:23.128 INFO [stdout] d05fc64341bcb05aba80842e634063ae0086a4af01bec72108da25c6350f83e7