Dec 14 07:22:00.395 INFO testing NotLeet/rust-file-manipulation against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:22:00.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 14 07:22:00.553 INFO [stdout] d0c813a79dba58d298dbc65a8b25eb1572dae79a080c9814c4b6760dd039c94a
Dec 14 07:22:00.563 INFO running `"docker" "start" "-a" "d0c813a79dba58d298dbc65a8b25eb1572dae79a080c9814c4b6760dd039c94a"`
Dec 14 07:22:01.148 INFO [stderr] usermod: no changes
Dec 14 07:22:01.188 INFO [stderr]    Compiling read_file v0.1.0 (/source)
Dec 14 07:22:01.521 INFO [stderr] warning: unused variable: `expr`
Dec 14 07:22:01.521 INFO [stderr]   --> src/main.rs:20:12
Dec 14 07:22:01.521 INFO [stderr]    |
Dec 14 07:22:01.521 INFO [stderr] 20 |         Ok(expr) => {
Dec 14 07:22:01.521 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 14 07:22:01.521 INFO [stderr]    |
Dec 14 07:22:01.521 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 07:22:01.521 INFO [stderr] 
Dec 14 07:22:01.521 INFO [stderr] warning: unused variable: `err`
Dec 14 07:22:01.521 INFO [stderr]   --> src/main.rs:26:13
Dec 14 07:22:01.521 INFO [stderr]    |
Dec 14 07:22:01.521 INFO [stderr] 26 |         Err(err) => {
Dec 14 07:22:01.521 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 14 07:22:01.521 INFO [stderr] 
Dec 14 07:22:01.521 INFO [stderr] warning: unused variable: `file_path`
Dec 14 07:22:01.521 INFO [stderr]   --> src/main.rs:81:20
Dec 14 07:22:01.521 INFO [stderr]    |
Dec 14 07:22:01.521 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:22:01.521 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 14 07:22:01.521 INFO [stderr] 
Dec 14 07:22:01.535 INFO [stderr] warning: function is never used: `get_file_number`
Dec 14 07:22:01.535 INFO [stderr]   --> src/main.rs:81:1
Dec 14 07:22:01.535 INFO [stderr]    |
Dec 14 07:22:01.535 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:22:01.535 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:22:01.535 INFO [stderr]    |
Dec 14 07:22:01.535 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:22:01.535 INFO [stderr] 
Dec 14 07:22:01.917 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 14 07:22:01.917 INFO [stderr] su: No module specific data is present
Dec 14 07:22:02.213 INFO running `"docker" "inspect" "d0c813a79dba58d298dbc65a8b25eb1572dae79a080c9814c4b6760dd039c94a"`
Dec 14 07:22:02.314 INFO running `"docker" "rm" "-f" "d0c813a79dba58d298dbc65a8b25eb1572dae79a080c9814c4b6760dd039c94a"`
Dec 14 07:22:02.385 INFO [stdout] d0c813a79dba58d298dbc65a8b25eb1572dae79a080c9814c4b6760dd039c94a
Dec 14 07:22:02.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 14 07:22:02.549 INFO [stdout] 558fdc4bc795eb81f726ea563bf08568ac2e5aa9bb4f19635628b6e93438a3b1
Dec 14 07:22:02.550 INFO running `"docker" "start" "-a" "558fdc4bc795eb81f726ea563bf08568ac2e5aa9bb4f19635628b6e93438a3b1"`
Dec 14 07:22:03.076 INFO [stderr] usermod: no changes
Dec 14 07:22:03.127 INFO [stderr]    Compiling read_file v0.1.0 (/source)
Dec 14 07:22:03.591 INFO [stderr] warning: unused variable: `expr`
Dec 14 07:22:03.591 INFO [stderr]   --> src/main.rs:20:12
Dec 14 07:22:03.591 INFO [stderr]    |
Dec 14 07:22:03.591 INFO [stderr] 20 |         Ok(expr) => {
Dec 14 07:22:03.591 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 14 07:22:03.591 INFO [stderr]    |
Dec 14 07:22:03.591 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 07:22:03.591 INFO [stderr] 
Dec 14 07:22:03.591 INFO [stderr] warning: unused variable: `err`
Dec 14 07:22:03.591 INFO [stderr]   --> src/main.rs:26:13
Dec 14 07:22:03.591 INFO [stderr]    |
Dec 14 07:22:03.591 INFO [stderr] 26 |         Err(err) => {
Dec 14 07:22:03.591 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 14 07:22:03.591 INFO [stderr] 
Dec 14 07:22:03.591 INFO [stderr] warning: unused variable: `file_path`
Dec 14 07:22:03.591 INFO [stderr]   --> src/main.rs:81:20
Dec 14 07:22:03.591 INFO [stderr]    |
Dec 14 07:22:03.591 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:22:03.591 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 14 07:22:03.591 INFO [stderr] 
Dec 14 07:22:03.608 INFO [stderr] warning: function is never used: `get_file_number`
Dec 14 07:22:03.608 INFO [stderr]   --> src/main.rs:81:1
Dec 14 07:22:03.608 INFO [stderr]    |
Dec 14 07:22:03.608 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:22:03.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:22:03.608 INFO [stderr]    |
Dec 14 07:22:03.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:22:03.608 INFO [stderr] 
Dec 14 07:22:03.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 14 07:22:03.924 INFO [stderr] su: No module specific data is present
Dec 14 07:22:04.188 INFO running `"docker" "inspect" "558fdc4bc795eb81f726ea563bf08568ac2e5aa9bb4f19635628b6e93438a3b1"`
Dec 14 07:22:04.296 INFO running `"docker" "rm" "-f" "558fdc4bc795eb81f726ea563bf08568ac2e5aa9bb4f19635628b6e93438a3b1"`
Dec 14 07:22:04.424 INFO [stdout] 558fdc4bc795eb81f726ea563bf08568ac2e5aa9bb4f19635628b6e93438a3b1
Dec 14 07:22:04.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 14 07:22:04.610 INFO [stdout] e9e659d9aad4f54146dd79166e419faf059362cfb1cfbc1a6940cdc3c272c85d
Dec 14 07:22:04.613 INFO running `"docker" "start" "-a" "e9e659d9aad4f54146dd79166e419faf059362cfb1cfbc1a6940cdc3c272c85d"`
Dec 14 07:22:05.083 INFO [stderr] usermod: no changes
Dec 14 07:22:05.130 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 07:22:05.131 INFO [stderr]      Running /target/debug/deps/read_file-8caeb1aaaa600163
Dec 14 07:22:05.142 INFO [stderr] su: No module specific data is present
Dec 14 07:22:05.143 INFO [stdout] 
Dec 14 07:22:05.143 INFO [stdout] running 0 tests
Dec 14 07:22:05.143 INFO [stdout] 
Dec 14 07:22:05.143 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:22:05.143 INFO [stdout] 
Dec 14 07:22:05.672 INFO running `"docker" "inspect" "e9e659d9aad4f54146dd79166e419faf059362cfb1cfbc1a6940cdc3c272c85d"`
Dec 14 07:22:05.904 INFO running `"docker" "rm" "-f" "e9e659d9aad4f54146dd79166e419faf059362cfb1cfbc1a6940cdc3c272c85d"`
Dec 14 07:22:06.062 INFO [stdout] e9e659d9aad4f54146dd79166e419faf059362cfb1cfbc1a6940cdc3c272c85d