Nov 29 20:30:35.595 INFO checking pietrocarbo/rust_first_steps against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 20:30:35.595 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 20:30:36.090 INFO [stdout] 4b46cc8c7a262919345ba1643848bd8585d45ab1dc8d39f8563aa451bae019a2
Nov 29 20:30:36.098 INFO running `"docker" "start" "-a" "4b46cc8c7a262919345ba1643848bd8585d45ab1dc8d39f8563aa451bae019a2"`
Nov 29 20:30:37.464 INFO [stderr] usermod: no changes
Nov 29 20:30:37.576 INFO [stderr]     Checking presentation v0.1.0 (/source)
Nov 29 20:30:38.608 INFO [stderr] warning: function is never used: `file_parse_verbose`
Nov 29 20:30:38.608 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Nov 29 20:30:38.608 INFO [stderr]    |
Nov 29 20:30:38.608 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Nov 29 20:30:38.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:30:38.608 INFO [stderr]    |
Nov 29 20:30:38.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 20:30:38.608 INFO [stderr] 
Nov 29 20:30:38.608 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Nov 29 20:30:38.608 INFO [stderr]   |
Nov 29 20:30:38.608 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 29 20:30:38.608 INFO [stderr] 
Nov 29 20:30:39.476 INFO [stderr] warning: function is never used: `file_parse_verbose`
Nov 29 20:30:39.476 INFO [stderr]   --> src/bin/3_error_IO.rs:12:1
Nov 29 20:30:39.476 INFO [stderr]    |
Nov 29 20:30:39.476 INFO [stderr] 12 | fn file_parse_verbose<P: AsRef<Path>>(file_path: P) -> Result<i32, CustomError> {
Nov 29 20:30:39.476 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:30:39.476 INFO [stderr]    |
Nov 29 20:30:39.476 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 20:30:39.476 INFO [stderr] 
Nov 29 20:30:39.476 INFO [stderr] warning: crate `3_error_IO` should have a snake case name such as `3_error_io`
Nov 29 20:30:39.476 INFO [stderr]   |
Nov 29 20:30:39.476 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 29 20:30:39.476 INFO [stderr] 
Nov 29 20:30:39.801 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
Nov 29 20:30:39.805 INFO [stderr] su: No module specific data is present
Nov 29 20:30:40.749 INFO running `"docker" "inspect" "4b46cc8c7a262919345ba1643848bd8585d45ab1dc8d39f8563aa451bae019a2"`
Nov 29 20:30:41.162 INFO running `"docker" "rm" "-f" "4b46cc8c7a262919345ba1643848bd8585d45ab1dc8d39f8563aa451bae019a2"`
Nov 29 20:30:41.443 INFO [stdout] 4b46cc8c7a262919345ba1643848bd8585d45ab1dc8d39f8563aa451bae019a2