Dec 14 07:21:58.405 INFO testing NotLeet/rust-file-manipulation against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:21:58.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 07:21:58.603 INFO [stdout] 98b50f1be1899038c2d0c3ce35dc374dc1cab0b507bd3c6e4aeeb2a78dcd4308
Dec 14 07:21:58.609 INFO running `"docker" "start" "-a" "98b50f1be1899038c2d0c3ce35dc374dc1cab0b507bd3c6e4aeeb2a78dcd4308"`
Dec 14 07:21:59.146 INFO [stderr] usermod: no changes
Dec 14 07:21:59.168 INFO [stderr]    Compiling read_file v0.1.0 (/source)
Dec 14 07:21:59.611 INFO [stderr] warning: unused variable: `expr`
Dec 14 07:21:59.611 INFO [stderr]   --> src/main.rs:20:12
Dec 14 07:21:59.611 INFO [stderr]    |
Dec 14 07:21:59.611 INFO [stderr] 20 |         Ok(expr) => {
Dec 14 07:21:59.611 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 14 07:21:59.611 INFO [stderr]    |
Dec 14 07:21:59.611 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 07:21:59.611 INFO [stderr] 
Dec 14 07:21:59.611 INFO [stderr] warning: unused variable: `err`
Dec 14 07:21:59.611 INFO [stderr]   --> src/main.rs:26:13
Dec 14 07:21:59.611 INFO [stderr]    |
Dec 14 07:21:59.611 INFO [stderr] 26 |         Err(err) => {
Dec 14 07:21:59.611 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 14 07:21:59.611 INFO [stderr] 
Dec 14 07:21:59.611 INFO [stderr] warning: unused variable: `file_path`
Dec 14 07:21:59.611 INFO [stderr]   --> src/main.rs:81:20
Dec 14 07:21:59.611 INFO [stderr]    |
Dec 14 07:21:59.611 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:21:59.611 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 14 07:21:59.611 INFO [stderr] 
Dec 14 07:21:59.622 INFO [stderr] warning: function is never used: `get_file_number`
Dec 14 07:21:59.622 INFO [stderr]   --> src/main.rs:81:1
Dec 14 07:21:59.622 INFO [stderr]    |
Dec 14 07:21:59.622 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:21:59.622 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:21:59.622 INFO [stderr]    |
Dec 14 07:21:59.622 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:21:59.622 INFO [stderr] 
Dec 14 07:22:00.118 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 14 07:22:00.121 INFO [stderr] su: No module specific data is present
Dec 14 07:22:00.528 INFO running `"docker" "inspect" "98b50f1be1899038c2d0c3ce35dc374dc1cab0b507bd3c6e4aeeb2a78dcd4308"`
Dec 14 07:22:00.598 INFO running `"docker" "rm" "-f" "98b50f1be1899038c2d0c3ce35dc374dc1cab0b507bd3c6e4aeeb2a78dcd4308"`
Dec 14 07:22:00.688 INFO [stdout] 98b50f1be1899038c2d0c3ce35dc374dc1cab0b507bd3c6e4aeeb2a78dcd4308
Dec 14 07:22:00.692 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 07:22:00.910 INFO [stdout] 8fdad25c3fee031134192447e99bca528e6012419fb6ab0bd2a26da6ab4e0a7a
Dec 14 07:22:00.912 INFO running `"docker" "start" "-a" "8fdad25c3fee031134192447e99bca528e6012419fb6ab0bd2a26da6ab4e0a7a"`
Dec 14 07:22:01.627 INFO [stderr] usermod: no changes
Dec 14 07:22:01.627 INFO [stderr]    Compiling read_file v0.1.0 (/source)
Dec 14 07:22:02.115 INFO [stderr] warning: unused variable: `expr`
Dec 14 07:22:02.115 INFO [stderr]   --> src/main.rs:20:12
Dec 14 07:22:02.115 INFO [stderr]    |
Dec 14 07:22:02.115 INFO [stderr] 20 |         Ok(expr) => {
Dec 14 07:22:02.115 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 14 07:22:02.115 INFO [stderr]    |
Dec 14 07:22:02.115 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 07:22:02.115 INFO [stderr] 
Dec 14 07:22:02.115 INFO [stderr] warning: unused variable: `err`
Dec 14 07:22:02.115 INFO [stderr]   --> src/main.rs:26:13
Dec 14 07:22:02.115 INFO [stderr]    |
Dec 14 07:22:02.115 INFO [stderr] 26 |         Err(err) => {
Dec 14 07:22:02.115 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 14 07:22:02.115 INFO [stderr] 
Dec 14 07:22:02.115 INFO [stderr] warning: unused variable: `file_path`
Dec 14 07:22:02.115 INFO [stderr]   --> src/main.rs:81:20
Dec 14 07:22:02.115 INFO [stderr]    |
Dec 14 07:22:02.115 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:22:02.115 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 14 07:22:02.115 INFO [stderr] 
Dec 14 07:22:02.134 INFO [stderr] warning: function is never used: `get_file_number`
Dec 14 07:22:02.134 INFO [stderr]   --> src/main.rs:81:1
Dec 14 07:22:02.134 INFO [stderr]    |
Dec 14 07:22:02.134 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 14 07:22:02.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:22:02.134 INFO [stderr]    |
Dec 14 07:22:02.134 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:22:02.134 INFO [stderr] 
Dec 14 07:22:02.354 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 14 07:22:02.356 INFO [stderr] su: No module specific data is present
Dec 14 07:22:02.603 INFO running `"docker" "inspect" "8fdad25c3fee031134192447e99bca528e6012419fb6ab0bd2a26da6ab4e0a7a"`
Dec 14 07:22:02.700 INFO running `"docker" "rm" "-f" "8fdad25c3fee031134192447e99bca528e6012419fb6ab0bd2a26da6ab4e0a7a"`
Dec 14 07:22:02.808 INFO [stdout] 8fdad25c3fee031134192447e99bca528e6012419fb6ab0bd2a26da6ab4e0a7a
Dec 14 07:22:02.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 07:22:02.998 INFO [stdout] 1c7cbc1f929f7838fa7e9f44496834489b63c98a16f9a5d61bf1ce5015c5bc56
Dec 14 07:22:03.000 INFO running `"docker" "start" "-a" "1c7cbc1f929f7838fa7e9f44496834489b63c98a16f9a5d61bf1ce5015c5bc56"`
Dec 14 07:22:03.806 INFO [stderr] usermod: no changes
Dec 14 07:22:03.846 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 07:22:03.852 INFO [stderr]      Running /target/debug/deps/read_file-ed06c2627fd95a2d
Dec 14 07:22:03.863 INFO [stdout] 
Dec 14 07:22:03.864 INFO [stdout] running 0 tests
Dec 14 07:22:03.864 INFO [stdout] 
Dec 14 07:22:03.864 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:22:03.864 INFO [stdout] 
Dec 14 07:22:03.865 INFO [stderr] su: No module specific data is present
Dec 14 07:22:04.180 INFO running `"docker" "inspect" "1c7cbc1f929f7838fa7e9f44496834489b63c98a16f9a5d61bf1ce5015c5bc56"`
Dec 14 07:22:04.259 INFO running `"docker" "rm" "-f" "1c7cbc1f929f7838fa7e9f44496834489b63c98a16f9a5d61bf1ce5015c5bc56"`
Dec 14 07:22:04.414 INFO [stdout] 1c7cbc1f929f7838fa7e9f44496834489b63c98a16f9a5d61bf1ce5015c5bc56