Nov 27 22:46:40.969 INFO checking pietrocarbo/rust_first_steps against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:46:40.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 22:46:41.464 INFO [stdout] d30a3db0b8c4632e30684961b90d862bc0a26e75488e3e5060eb8af9bc35d9ba
Nov 27 22:46:41.473 INFO running `"docker" "start" "-a" "d30a3db0b8c4632e30684961b90d862bc0a26e75488e3e5060eb8af9bc35d9ba"`
Nov 27 22:46:43.322 INFO [stderr] usermod: no changes
Nov 27 22:46:43.420 INFO [stderr]     Checking presentation v0.1.0 (/source)
Nov 27 22:46:44.144 INFO [stderr] warning: function is never used: `file_parse_verbose`
Nov 27 22:46:44.144 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Nov 27 22:46:44.144 INFO [stderr]    |
Nov 27 22:46:44.144 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Nov 27 22:46:44.144 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:46:44.144 INFO [stderr]    |
Nov 27 22:46:44.144 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 22:46:44.144 INFO [stderr] 
Nov 27 22:46:44.144 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Nov 27 22:46:44.144 INFO [stderr]   |
Nov 27 22:46:44.144 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 27 22:46:44.144 INFO [stderr] 
Nov 27 22:46:44.779 INFO [stderr] warning: function is never used: `file_parse_verbose`
Nov 27 22:46:44.780 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Nov 27 22:46:44.780 INFO [stderr]    |
Nov 27 22:46:44.781 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Nov 27 22:46:44.782 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:46:44.812 INFO [stderr]    |
Nov 27 22:46:44.812 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 22:46:44.813 INFO [stderr] 
Nov 27 22:46:44.824 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Nov 27 22:46:44.824 INFO [stderr]   |
Nov 27 22:46:44.825 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 27 22:46:44.825 INFO [stderr] 
Nov 27 22:46:45.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
Nov 27 22:46:45.793 INFO [stderr] su: No module specific data is present
Nov 27 22:46:47.236 INFO running `"docker" "inspect" "d30a3db0b8c4632e30684961b90d862bc0a26e75488e3e5060eb8af9bc35d9ba"`
Nov 27 22:46:47.568 INFO running `"docker" "rm" "-f" "d30a3db0b8c4632e30684961b90d862bc0a26e75488e3e5060eb8af9bc35d9ba"`
Nov 27 22:46:47.848 INFO [stdout] d30a3db0b8c4632e30684961b90d862bc0a26e75488e3e5060eb8af9bc35d9ba