Dec 04 12:22:39.850 INFO checking pietrocarbo/rust_first_steps against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:22:39.850 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 12:22:40.382 INFO [stdout] dd25e2bb2f8e23e6aa92027ecb477d2b8217481569021bb27332589aef089802
Dec 04 12:22:40.384 INFO running `"docker" "start" "-a" "dd25e2bb2f8e23e6aa92027ecb477d2b8217481569021bb27332589aef089802"`
Dec 04 12:22:42.538 INFO [stderr] usermod: no changes
Dec 04 12:22:42.647 INFO [stderr]     Checking presentation v0.1.0 (/source)
Dec 04 12:22:44.531 INFO [stderr] warning: function is never used: `file_parse_verbose`
Dec 04 12:22:44.531 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Dec 04 12:22:44.531 INFO [stderr]    |
Dec 04 12:22:44.531 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Dec 04 12:22:44.531 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:22:44.531 INFO [stderr]    |
Dec 04 12:22:44.531 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:22:44.531 INFO [stderr] 
Dec 04 12:22:44.531 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Dec 04 12:22:44.531 INFO [stderr]   |
Dec 04 12:22:44.531 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 12:22:44.532 INFO [stderr] 
Dec 04 12:22:44.707 INFO [stderr] warning: function is never used: `file_parse_verbose`
Dec 04 12:22:44.707 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Dec 04 12:22:44.708 INFO [stderr]    |
Dec 04 12:22:44.708 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Dec 04 12:22:44.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:22:44.747 INFO [stderr]    |
Dec 04 12:22:44.747 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:22:44.748 INFO [stderr] 
Dec 04 12:22:44.748 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Dec 04 12:22:44.748 INFO [stderr]   |
Dec 04 12:22:44.749 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 12:22:44.749 INFO [stderr] 
Dec 04 12:22:45.712 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
Dec 04 12:22:45.715 INFO [stderr] su: No module specific data is present
Dec 04 12:22:47.003 INFO running `"docker" "inspect" "dd25e2bb2f8e23e6aa92027ecb477d2b8217481569021bb27332589aef089802"`
Dec 04 12:22:47.369 INFO running `"docker" "rm" "-f" "dd25e2bb2f8e23e6aa92027ecb477d2b8217481569021bb27332589aef089802"`
Dec 04 12:22:47.771 INFO [stdout] dd25e2bb2f8e23e6aa92027ecb477d2b8217481569021bb27332589aef089802