Dec 04 12:22:47.855 INFO checking pietrocarbo/rust_first_steps against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 12:22:47.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 12:22:48.311 INFO [stdout] e00f84d273cbc0a826cdfbde97f70216bccf2f2527517afb76fe447c70900a7c
Dec 04 12:22:48.313 INFO running `"docker" "start" "-a" "e00f84d273cbc0a826cdfbde97f70216bccf2f2527517afb76fe447c70900a7c"`
Dec 04 12:22:50.482 INFO [stderr] usermod: no changes
Dec 04 12:22:50.619 INFO [stderr]     Checking presentation v0.1.0 (/source)
Dec 04 12:22:52.259 INFO [stderr] warning: function is never used: `file_parse_verbose`
Dec 04 12:22:52.259 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Dec 04 12:22:52.259 INFO [stderr]    |
Dec 04 12:22:52.259 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Dec 04 12:22:52.259 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:22:52.259 INFO [stderr]    |
Dec 04 12:22:52.259 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:22:52.259 INFO [stderr] 
Dec 04 12:22:52.259 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Dec 04 12:22:52.259 INFO [stderr]   |
Dec 04 12:22:52.259 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 12:22:52.259 INFO [stderr] 
Dec 04 12:22:52.581 INFO [stderr] warning: function is never used: `file_parse_verbose`
Dec 04 12:22:52.581 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Dec 04 12:22:52.581 INFO [stderr]    |
Dec 04 12:22:52.581 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Dec 04 12:22:52.582 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:22:52.603 INFO [stderr]    |
Dec 04 12:22:52.603 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:22:52.603 INFO [stderr] 
Dec 04 12:22:52.603 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Dec 04 12:22:52.603 INFO [stderr]   |
Dec 04 12:22:52.603 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 12:22:52.603 INFO [stderr] 
Dec 04 12:22:53.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
Dec 04 12:22:53.283 INFO [stderr] su: No module specific data is present
Dec 04 12:22:54.556 INFO running `"docker" "inspect" "e00f84d273cbc0a826cdfbde97f70216bccf2f2527517afb76fe447c70900a7c"`
Dec 04 12:22:54.965 INFO running `"docker" "rm" "-f" "e00f84d273cbc0a826cdfbde97f70216bccf2f2527517afb76fe447c70900a7c"`
Dec 04 12:22:55.223 INFO [stdout] e00f84d273cbc0a826cdfbde97f70216bccf2f2527517afb76fe447c70900a7c