Oct 13 03:17:54.654 INFO checking NotLeet/rust-file-manipulation against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 03:17:54.656 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 03:17:55.096 INFO blam! dccf0a161979bd98bea160a693fc517a1e4215c708cf9767964d1ed593eb3cbf
Oct 13 03:17:55.107 INFO running `"docker" "start" "-a" "dccf0a161979bd98bea160a693fc517a1e4215c708cf9767964d1ed593eb3cbf"`
Oct 13 03:17:56.400 INFO kablam! usermod: no changes
Oct 13 03:17:56.456 INFO kablam!     Checking read_file v0.1.0 (/source)
Oct 13 03:17:57.281 INFO kablam! warning: unused variable: `expr`
Oct 13 03:17:57.281 INFO kablam!   --> src/main.rs:20:12
Oct 13 03:17:57.281 INFO kablam!    |
Oct 13 03:17:57.282 INFO kablam! 20 |         Ok(expr) => {
Oct 13 03:17:57.282 INFO kablam!    |            ^^^^ help: consider using `_expr` instead
Oct 13 03:17:57.282 INFO kablam!    |
Oct 13 03:17:57.283 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 03:17:57.283 INFO kablam! 
Oct 13 03:17:57.283 INFO kablam! warning: unused variable: `err`
Oct 13 03:17:57.284 INFO kablam!   --> src/main.rs:26:13
Oct 13 03:17:57.284 INFO kablam!    |
Oct 13 03:17:57.284 INFO kablam! 26 |         Err(err) => {
Oct 13 03:17:57.284 INFO kablam!    |             ^^^ help: consider using `_err` instead
Oct 13 03:17:57.285 INFO kablam! 
Oct 13 03:17:57.285 INFO kablam! warning: unused variable: `file_path`
Oct 13 03:17:57.285 INFO kablam!   --> src/main.rs:81:20
Oct 13 03:17:57.286 INFO kablam!    |
Oct 13 03:17:57.286 INFO kablam! 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Oct 13 03:17:57.286 INFO kablam!    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Oct 13 03:17:57.287 INFO kablam! 
Oct 13 03:17:57.296 INFO kablam! warning: function is never used: `get_file_number`
Oct 13 03:17:57.296 INFO kablam!   --> src/main.rs:81:1
Oct 13 03:17:57.296 INFO kablam!    |
Oct 13 03:17:57.296 INFO kablam! 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Oct 13 03:17:57.296 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:17:57.296 INFO kablam!    |
Oct 13 03:17:57.296 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 03:17:57.296 INFO kablam! 
Oct 13 03:17:57.491 INFO kablam! warning: unused variable: `expr`
Oct 13 03:17:57.491 INFO kablam!   --> src/main.rs:20:12
Oct 13 03:17:57.491 INFO kablam!    |
Oct 13 03:17:57.491 INFO kablam! 20 |         Ok(expr) => {
Oct 13 03:17:57.491 INFO kablam!    |            ^^^^ help: consider using `_expr` instead
Oct 13 03:17:57.491 INFO kablam!    |
Oct 13 03:17:57.491 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 03:17:57.491 INFO kablam! 
Oct 13 03:17:57.491 INFO kablam! warning: unused variable: `err`
Oct 13 03:17:57.491 INFO kablam!   --> src/main.rs:26:13
Oct 13 03:17:57.491 INFO kablam!    |
Oct 13 03:17:57.491 INFO kablam! 26 |         Err(err) => {
Oct 13 03:17:57.491 INFO kablam!    |             ^^^ help: consider using `_err` instead
Oct 13 03:17:57.491 INFO kablam! 
Oct 13 03:17:57.491 INFO kablam! warning: unused variable: `file_path`
Oct 13 03:17:57.491 INFO kablam!   --> src/main.rs:81:20
Oct 13 03:17:57.491 INFO kablam!    |
Oct 13 03:17:57.491 INFO kablam! 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Oct 13 03:17:57.491 INFO kablam!    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Oct 13 03:17:57.491 INFO kablam! 
Oct 13 03:17:57.494 INFO kablam! warning: function is never used: `get_file_number`
Oct 13 03:17:57.494 INFO kablam!   --> src/main.rs:81:1
Oct 13 03:17:57.494 INFO kablam!    |
Oct 13 03:17:57.494 INFO kablam! 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Oct 13 03:17:57.494 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:17:57.494 INFO kablam!    |
Oct 13 03:17:57.494 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 03:17:57.494 INFO kablam! 
Oct 13 03:17:57.528 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Oct 13 03:17:57.540 INFO kablam! su: No module specific data is present
Oct 13 03:17:58.206 INFO running `"docker" "rm" "-f" "dccf0a161979bd98bea160a693fc517a1e4215c708cf9767964d1ed593eb3cbf"`
Oct 13 03:17:58.536 INFO blam! dccf0a161979bd98bea160a693fc517a1e4215c708cf9767964d1ed593eb3cbf