Dec 19 12:52:22.241 INFO checking mcahriman/m590-proto against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:52:22.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mcahriman/m590-proto:/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 12:52:22.412 INFO [stdout] 510f242e9e8e3f07996b2f8c1428c37b4f11d5e5ee59d1456fa713e26067d8cc
Dec 19 12:52:22.418 INFO running `"docker" "start" "-a" "510f242e9e8e3f07996b2f8c1428c37b4f11d5e5ee59d1456fa713e26067d8cc"`
Dec 19 12:52:23.454 INFO [stderr]     Checking serial-core v0.4.0
Dec 19 12:52:23.761 INFO [stderr]     Checking m590e-uart-proto v0.1.0 (/opt/crater/workdir)
Dec 19 12:52:23.970 INFO [stderr] warning: unused import: `std::io`
Dec 19 12:52:23.970 INFO [stderr]  --> src/main.rs:4:5
Dec 19 12:52:23.970 INFO [stderr]   |
Dec 19 12:52:23.970 INFO [stderr] 4 | use std::io;
Dec 19 12:52:23.970 INFO [stderr]   |     ^^^^^^^
Dec 19 12:52:23.970 INFO [stderr]   |
Dec 19 12:52:23.970 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:52:23.970 INFO [stderr] 
Dec 19 12:52:23.970 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 12:52:23.970 INFO [stderr]  --> src/main.rs:5:5
Dec 19 12:52:23.970 INFO [stderr]   |
Dec 19 12:52:23.970 INFO [stderr] 5 | use std::time::Duration;
Dec 19 12:52:23.970 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:52:23.970 INFO [stderr] 
Dec 19 12:52:23.971 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 12:52:23.971 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:52:23.971 INFO [stderr]   |
Dec 19 12:52:23.971 INFO [stderr] 9 | use std::io::prelude::*;
Dec 19 12:52:23.971 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:52:23.971 INFO [stderr] 
Dec 19 12:52:24.022 INFO [stderr] warning: unused import: `serial::prelude`
Dec 19 12:52:24.022 INFO [stderr]   --> src/main.rs:10:5
Dec 19 12:52:24.022 INFO [stderr]    |
Dec 19 12:52:24.022 INFO [stderr] 10 | use serial::prelude::*;
Dec 19 12:52:24.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 12:52:24.034 INFO [stderr] 
Dec 19 12:52:24.038 INFO [stderr] warning: unused import: `std::io`
Dec 19 12:52:24.038 INFO [stderr]  --> src/main.rs:4:5
Dec 19 12:52:24.038 INFO [stderr]   |
Dec 19 12:52:24.038 INFO [stderr] 4 | use std::io;
Dec 19 12:52:24.038 INFO [stderr]   |     ^^^^^^^
Dec 19 12:52:24.039 INFO [stderr]   |
Dec 19 12:52:24.044 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:52:24.044 INFO [stderr] 
Dec 19 12:52:24.044 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 12:52:24.044 INFO [stderr]  --> src/main.rs:5:5
Dec 19 12:52:24.044 INFO [stderr]   |
Dec 19 12:52:24.044 INFO [stderr] 5 | use std::time::Duration;
Dec 19 12:52:24.044 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:52:24.044 INFO [stderr] 
Dec 19 12:52:24.044 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 12:52:24.044 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:52:24.044 INFO [stderr]   |
Dec 19 12:52:24.044 INFO [stderr] 9 | use std::io::prelude::*;
Dec 19 12:52:24.044 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:52:24.044 INFO [stderr] 
Dec 19 12:52:24.050 INFO [stderr] warning: constant item is never used: `E_ERR`
Dec 19 12:52:24.050 INFO [stderr]   --> src/main.rs:15:1
Dec 19 12:52:24.050 INFO [stderr]    |
Dec 19 12:52:24.050 INFO [stderr] 15 | const E_ERR: i32 = 1;
Dec 19 12:52:24.050 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:52:24.050 INFO [stderr]    |
Dec 19 12:52:24.053 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:52:24.053 INFO [stderr] 
Dec 19 12:52:24.080 INFO [stderr] warning: unused import: `serial::prelude`
Dec 19 12:52:24.080 INFO [stderr]   --> src/main.rs:10:5
Dec 19 12:52:24.080 INFO [stderr]    |
Dec 19 12:52:24.080 INFO [stderr] 10 | use serial::prelude::*;
Dec 19 12:52:24.080 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 12:52:24.080 INFO [stderr] 
Dec 19 12:52:24.091 INFO [stderr] warning: constant item is never used: `E_ERR`
Dec 19 12:52:24.091 INFO [stderr]   --> src/main.rs:15:1
Dec 19 12:52:24.091 INFO [stderr]    |
Dec 19 12:52:24.091 INFO [stderr] 15 | const E_ERR: i32 = 1;
Dec 19 12:52:24.091 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:52:24.091 INFO [stderr]    |
Dec 19 12:52:24.091 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:52:24.091 INFO [stderr] 
Dec 19 12:52:24.113 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 19 12:52:24.678 INFO running `"docker" "inspect" "510f242e9e8e3f07996b2f8c1428c37b4f11d5e5ee59d1456fa713e26067d8cc"`
Dec 19 12:52:24.902 INFO running `"docker" "rm" "-f" "510f242e9e8e3f07996b2f8c1428c37b4f11d5e5ee59d1456fa713e26067d8cc"`
Dec 19 12:52:25.308 INFO [stdout] 510f242e9e8e3f07996b2f8c1428c37b4f11d5e5ee59d1456fa713e26067d8cc