Dec 11 21:32:12.356 INFO checking boyter/rcc against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:32:12.356 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 21:32:12.733 INFO [stdout] f71758461fdfb7009d01dfeda1c4b2479ce60dd31e6ed8f6adb24875a6006576
Dec 11 21:32:12.742 INFO running `"docker" "start" "-a" "f71758461fdfb7009d01dfeda1c4b2479ce60dd31e6ed8f6adb24875a6006576"`
Dec 11 21:32:13.433 INFO [stderr] usermod: no changes
Dec 11 21:32:13.517 INFO [stderr]     Checking walkdir v2.2.0
Dec 11 21:32:14.089 INFO [stderr]     Checking rcc v0.1.0 (/source)
Dec 11 21:32:14.500 INFO [stderr] warning: variable `bytes_count` is assigned to, but never used
Dec 11 21:32:14.500 INFO [stderr]   --> src/main.rs:45:13
Dec 11 21:32:14.500 INFO [stderr]    |
Dec 11 21:32:14.500 INFO [stderr] 45 |     let mut bytes_count: u32;
Dec 11 21:32:14.500 INFO [stderr]    |             ^^^^^^^^^^^
Dec 11 21:32:14.500 INFO [stderr]    |
Dec 11 21:32:14.500 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 21:32:14.500 INFO [stderr]    = note: consider using `_bytes_count` instead
Dec 11 21:32:14.500 INFO [stderr] 
Dec 11 21:32:14.500 INFO [stderr] warning: value assigned to `bytes_count` is never read
Dec 11 21:32:14.500 INFO [stderr]   --> src/main.rs:47:5
Dec 11 21:32:14.500 INFO [stderr]    |
Dec 11 21:32:14.500 INFO [stderr] 47 |     bytes_count = 0;
Dec 11 21:32:14.500 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 21:32:14.500 INFO [stderr]    |
Dec 11 21:32:14.500 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 21:32:14.500 INFO [stderr] 
Dec 11 21:32:14.509 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:32:14.510 INFO [stderr]   --> src/main.rs:45:9
Dec 11 21:32:14.510 INFO [stderr]    |
Dec 11 21:32:14.510 INFO [stderr] 45 |     let mut bytes_count: u32;
Dec 11 21:32:14.510 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 21:32:14.510 INFO [stderr]    |         |
Dec 11 21:32:14.510 INFO [stderr]    |         help: remove this `mut`
Dec 11 21:32:14.510 INFO [stderr]    |
Dec 11 21:32:14.510 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 21:32:14.510 INFO [stderr] 
Dec 11 21:32:14.510 INFO [stderr] warning: field is never used: `code`
Dec 11 21:32:14.510 INFO [stderr]   --> src/main.rs:67:5
Dec 11 21:32:14.510 INFO [stderr]    |
Dec 11 21:32:14.510 INFO [stderr] 67 |     code: u32,
Dec 11 21:32:14.510 INFO [stderr]    |     ^^^^^^^^^
Dec 11 21:32:14.510 INFO [stderr]    |
Dec 11 21:32:14.510 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 21:32:14.510 INFO [stderr] 
Dec 11 21:32:14.510 INFO [stderr] warning: field is never used: `comment`
Dec 11 21:32:14.510 INFO [stderr]   --> src/main.rs:68:5
Dec 11 21:32:14.510 INFO [stderr]    |
Dec 11 21:32:14.510 INFO [stderr] 68 |     comment: u32,
Dec 11 21:32:14.510 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 21:32:14.510 INFO [stderr] 
Dec 11 21:32:14.510 INFO [stderr] warning: field is never used: `blank`
Dec 11 21:32:14.510 INFO [stderr]   --> src/main.rs:69:5
Dec 11 21:32:14.511 INFO [stderr]    |
Dec 11 21:32:14.511 INFO [stderr] 69 |     blank: u32,
Dec 11 21:32:14.511 INFO [stderr]    |     ^^^^^^^^^^
Dec 11 21:32:14.511 INFO [stderr] 
Dec 11 21:32:14.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:32:14.519 INFO [stderr]   --> src/main.rs:16:9
Dec 11 21:32:14.519 INFO [stderr]    |
Dec 11 21:32:14.519 INFO [stderr] 16 |         process_file(&mut file_job);
Dec 11 21:32:14.519 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:32:14.519 INFO [stderr]    |
Dec 11 21:32:14.519 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 21:32:14.520 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:32:14.520 INFO [stderr] 
Dec 11 21:32:14.812 INFO [stderr] warning: variable `bytes_count` is assigned to, but never used
Dec 11 21:32:14.812 INFO [stderr]   --> src/main.rs:45:13
Dec 11 21:32:14.812 INFO [stderr]    |
Dec 11 21:32:14.812 INFO [stderr] 45 |     let mut bytes_count: u32;
Dec 11 21:32:14.812 INFO [stderr]    |             ^^^^^^^^^^^
Dec 11 21:32:14.812 INFO [stderr]    |
Dec 11 21:32:14.812 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 21:32:14.812 INFO [stderr]    = note: consider using `_bytes_count` instead
Dec 11 21:32:14.812 INFO [stderr] 
Dec 11 21:32:14.812 INFO [stderr] warning: value assigned to `bytes_count` is never read
Dec 11 21:32:14.812 INFO [stderr]   --> src/main.rs:47:5
Dec 11 21:32:14.812 INFO [stderr]    |
Dec 11 21:32:14.812 INFO [stderr] 47 |     bytes_count = 0;
Dec 11 21:32:14.812 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 21:32:14.812 INFO [stderr]    |
Dec 11 21:32:14.812 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 21:32:14.812 INFO [stderr] 
Dec 11 21:32:14.813 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:32:14.813 INFO [stderr]   --> src/main.rs:45:9
Dec 11 21:32:14.813 INFO [stderr]    |
Dec 11 21:32:14.813 INFO [stderr] 45 |     let mut bytes_count: u32;
Dec 11 21:32:14.813 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 21:32:14.813 INFO [stderr]    |         |
Dec 11 21:32:14.813 INFO [stderr]    |         help: remove this `mut`
Dec 11 21:32:14.813 INFO [stderr]    |
Dec 11 21:32:14.813 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 21:32:14.813 INFO [stderr] 
Dec 11 21:32:14.813 INFO [stderr] warning: field is never used: `code`
Dec 11 21:32:14.813 INFO [stderr]   --> src/main.rs:67:5
Dec 11 21:32:14.813 INFO [stderr]    |
Dec 11 21:32:14.813 INFO [stderr] 67 |     code: u32,
Dec 11 21:32:14.813 INFO [stderr]    |     ^^^^^^^^^
Dec 11 21:32:14.813 INFO [stderr]    |
Dec 11 21:32:14.813 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 21:32:14.813 INFO [stderr] 
Dec 11 21:32:14.813 INFO [stderr] warning: field is never used: `comment`
Dec 11 21:32:14.813 INFO [stderr]   --> src/main.rs:68:5
Dec 11 21:32:14.813 INFO [stderr]    |
Dec 11 21:32:14.813 INFO [stderr] 68 |     comment: u32,
Dec 11 21:32:14.813 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 21:32:14.813 INFO [stderr] 
Dec 11 21:32:14.813 INFO [stderr] warning: field is never used: `blank`
Dec 11 21:32:14.813 INFO [stderr]   --> src/main.rs:69:5
Dec 11 21:32:14.813 INFO [stderr]    |
Dec 11 21:32:14.813 INFO [stderr] 69 |     blank: u32,
Dec 11 21:32:14.813 INFO [stderr]    |     ^^^^^^^^^^
Dec 11 21:32:14.813 INFO [stderr] 
Dec 11 21:32:14.824 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:32:14.824 INFO [stderr]   --> src/main.rs:16:9
Dec 11 21:32:14.824 INFO [stderr]    |
Dec 11 21:32:14.824 INFO [stderr] 16 |         process_file(&mut file_job);
Dec 11 21:32:14.824 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:32:14.824 INFO [stderr]    |
Dec 11 21:32:14.824 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 21:32:14.824 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:32:14.824 INFO [stderr] 
Dec 11 21:32:14.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 11 21:32:14.872 INFO [stderr] su: No module specific data is present
Dec 11 21:32:15.890 INFO running `"docker" "inspect" "f71758461fdfb7009d01dfeda1c4b2479ce60dd31e6ed8f6adb24875a6006576"`
Dec 11 21:32:16.122 INFO running `"docker" "rm" "-f" "f71758461fdfb7009d01dfeda1c4b2479ce60dd31e6ed8f6adb24875a6006576"`
Dec 11 21:32:16.316 INFO [stdout] f71758461fdfb7009d01dfeda1c4b2479ce60dd31e6ed8f6adb24875a6006576