Dec 19 22:36:26.897 INFO checking NotLeet/rust-file-manipulation against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:36:26.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:36:27.224 INFO [stdout] ef65b0dfbee43d3783a5fa6ba2b42e4260422ad97f01c1703c62ae98f41c45ac
Dec 19 22:36:27.230 INFO running `"docker" "start" "-a" "ef65b0dfbee43d3783a5fa6ba2b42e4260422ad97f01c1703c62ae98f41c45ac"`
Dec 19 22:36:28.875 INFO [stderr]     Checking read_file v0.1.0 (/opt/crater/workdir)
Dec 19 22:36:29.283 INFO [stderr] warning: unused variable: `expr`
Dec 19 22:36:29.283 INFO [stderr]   --> src/main.rs:20:12
Dec 19 22:36:29.283 INFO [stderr]    |
Dec 19 22:36:29.283 INFO [stderr] 20 |         Ok(expr) => {
Dec 19 22:36:29.283 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 19 22:36:29.283 INFO [stderr]    |
Dec 19 22:36:29.283 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:36:29.283 INFO [stderr] 
Dec 19 22:36:29.283 INFO [stderr] warning: unused variable: `err`
Dec 19 22:36:29.283 INFO [stderr]   --> src/main.rs:26:13
Dec 19 22:36:29.283 INFO [stderr]    |
Dec 19 22:36:29.283 INFO [stderr] 26 |         Err(err) => {
Dec 19 22:36:29.283 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 19 22:36:29.283 INFO [stderr] 
Dec 19 22:36:29.283 INFO [stderr] warning: unused variable: `file_path`
Dec 19 22:36:29.283 INFO [stderr]   --> src/main.rs:81:20
Dec 19 22:36:29.283 INFO [stderr]    |
Dec 19 22:36:29.283 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:29.283 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 19 22:36:29.283 INFO [stderr] 
Dec 19 22:36:29.320 INFO [stderr] warning: function is never used: `get_file_number`
Dec 19 22:36:29.320 INFO [stderr]   --> src/main.rs:81:1
Dec 19 22:36:29.320 INFO [stderr]    |
Dec 19 22:36:29.320 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:29.320 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:36:29.320 INFO [stderr]    |
Dec 19 22:36:29.320 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:36:29.320 INFO [stderr] 
Dec 19 22:36:29.444 INFO [stderr] warning: unused variable: `expr`
Dec 19 22:36:29.444 INFO [stderr]   --> src/main.rs:20:12
Dec 19 22:36:29.444 INFO [stderr]    |
Dec 19 22:36:29.444 INFO [stderr] 20 |         Ok(expr) => {
Dec 19 22:36:29.444 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 19 22:36:29.444 INFO [stderr]    |
Dec 19 22:36:29.444 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:36:29.444 INFO [stderr] 
Dec 19 22:36:29.444 INFO [stderr] warning: unused variable: `err`
Dec 19 22:36:29.444 INFO [stderr]   --> src/main.rs:26:13
Dec 19 22:36:29.444 INFO [stderr]    |
Dec 19 22:36:29.444 INFO [stderr] 26 |         Err(err) => {
Dec 19 22:36:29.444 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 19 22:36:29.444 INFO [stderr] 
Dec 19 22:36:29.444 INFO [stderr] warning: unused variable: `file_path`
Dec 19 22:36:29.444 INFO [stderr]   --> src/main.rs:81:20
Dec 19 22:36:29.444 INFO [stderr]    |
Dec 19 22:36:29.444 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:29.444 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 19 22:36:29.444 INFO [stderr] 
Dec 19 22:36:29.470 INFO [stderr] warning: function is never used: `get_file_number`
Dec 19 22:36:29.470 INFO [stderr]   --> src/main.rs:81:1
Dec 19 22:36:29.470 INFO [stderr]    |
Dec 19 22:36:29.470 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:29.470 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:36:29.470 INFO [stderr]    |
Dec 19 22:36:29.470 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:36:29.470 INFO [stderr] 
Dec 19 22:36:29.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 19 22:36:30.184 INFO running `"docker" "inspect" "ef65b0dfbee43d3783a5fa6ba2b42e4260422ad97f01c1703c62ae98f41c45ac"`
Dec 19 22:36:30.438 INFO running `"docker" "rm" "-f" "ef65b0dfbee43d3783a5fa6ba2b42e4260422ad97f01c1703c62ae98f41c45ac"`
Dec 19 22:36:30.788 INFO [stdout] ef65b0dfbee43d3783a5fa6ba2b42e4260422ad97f01c1703c62ae98f41c45ac