Dec 18 06:08:26.517 INFO checking NotLeet/rust-file-manipulation against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:08:26.517 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/NotLeet/rust-file-manipulation:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:08:27.116 INFO [stdout] 03542232b555513e5da334062aa2e5b9524eccd05b736ba56fcacbbddff71f4d
Dec 18 06:08:27.122 INFO running `"docker" "start" "-a" "03542232b555513e5da334062aa2e5b9524eccd05b736ba56fcacbbddff71f4d"`
Dec 18 06:08:28.632 INFO [stderr]     Checking read_file v0.1.0 (/opt/crater/workdir)
Dec 18 06:08:29.016 INFO [stderr] warning: unused variable: `expr`
Dec 18 06:08:29.016 INFO [stderr]   --> src/main.rs:20:12
Dec 18 06:08:29.016 INFO [stderr]    |
Dec 18 06:08:29.016 INFO [stderr] 20 |         Ok(expr) => {
Dec 18 06:08:29.016 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 18 06:08:29.016 INFO [stderr]    |
Dec 18 06:08:29.016 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:08:29.016 INFO [stderr] 
Dec 18 06:08:29.016 INFO [stderr] warning: unused variable: `err`
Dec 18 06:08:29.016 INFO [stderr]   --> src/main.rs:26:13
Dec 18 06:08:29.016 INFO [stderr]    |
Dec 18 06:08:29.016 INFO [stderr] 26 |         Err(err) => {
Dec 18 06:08:29.016 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 18 06:08:29.016 INFO [stderr] 
Dec 18 06:08:29.016 INFO [stderr] warning: unused variable: `file_path`
Dec 18 06:08:29.016 INFO [stderr]   --> src/main.rs:81:20
Dec 18 06:08:29.016 INFO [stderr]    |
Dec 18 06:08:29.016 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 18 06:08:29.016 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 18 06:08:29.016 INFO [stderr] 
Dec 18 06:08:29.052 INFO [stderr] warning: function is never used: `get_file_number`
Dec 18 06:08:29.052 INFO [stderr]   --> src/main.rs:81:1
Dec 18 06:08:29.052 INFO [stderr]    |
Dec 18 06:08:29.052 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 18 06:08:29.052 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:08:29.052 INFO [stderr]    |
Dec 18 06:08:29.052 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:08:29.052 INFO [stderr] 
Dec 18 06:08:29.052 INFO [stderr] warning: unused variable: `expr`
Dec 18 06:08:29.052 INFO [stderr]   --> src/main.rs:20:12
Dec 18 06:08:29.052 INFO [stderr]    |
Dec 18 06:08:29.052 INFO [stderr] 20 |         Ok(expr) => {
Dec 18 06:08:29.052 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 18 06:08:29.052 INFO [stderr]    |
Dec 18 06:08:29.052 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:08:29.053 INFO [stderr] 
Dec 18 06:08:29.053 INFO [stderr] warning: unused variable: `err`
Dec 18 06:08:29.053 INFO [stderr]   --> src/main.rs:26:13
Dec 18 06:08:29.053 INFO [stderr]    |
Dec 18 06:08:29.053 INFO [stderr] 26 |         Err(err) => {
Dec 18 06:08:29.053 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 18 06:08:29.053 INFO [stderr] 
Dec 18 06:08:29.053 INFO [stderr] warning: unused variable: `file_path`
Dec 18 06:08:29.053 INFO [stderr]   --> src/main.rs:81:20
Dec 18 06:08:29.053 INFO [stderr]    |
Dec 18 06:08:29.053 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 18 06:08:29.053 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 18 06:08:29.053 INFO [stderr] 
Dec 18 06:08:29.120 INFO [stderr] warning: function is never used: `get_file_number`
Dec 18 06:08:29.120 INFO [stderr]   --> src/main.rs:81:1
Dec 18 06:08:29.120 INFO [stderr]    |
Dec 18 06:08:29.120 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 18 06:08:29.120 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:08:29.120 INFO [stderr]    |
Dec 18 06:08:29.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:08:29.120 INFO [stderr] 
Dec 18 06:08:29.178 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 06:08:29.805 INFO running `"docker" "inspect" "03542232b555513e5da334062aa2e5b9524eccd05b736ba56fcacbbddff71f4d"`
Dec 18 06:08:30.144 INFO running `"docker" "rm" "-f" "03542232b555513e5da334062aa2e5b9524eccd05b736ba56fcacbbddff71f4d"`
Dec 18 06:08:30.579 INFO [stdout] 03542232b555513e5da334062aa2e5b9524eccd05b736ba56fcacbbddff71f4d