Oct 13 00:14:30.242 INFO checking boyter/rcc against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:14:30.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 00:14:30.652 INFO blam! d3fbc0c71cf656e106718c1f0f32c5c5da56de38f61792c18f98c3771702806e
Oct 13 00:14:30.657 INFO running `"docker" "start" "-a" "d3fbc0c71cf656e106718c1f0f32c5c5da56de38f61792c18f98c3771702806e"`
Oct 13 00:14:31.451 INFO kablam! usermod: no changes
Oct 13 00:14:31.486 INFO kablam!     Checking walkdir v2.2.0
Oct 13 00:14:32.224 INFO kablam!     Checking rcc v0.1.0 (/source)
Oct 13 00:14:32.966 INFO kablam! warning: variable `bytes_count` is assigned to, but never used
Oct 13 00:14:32.966 INFO kablam!   --> src/main.rs:45:13
Oct 13 00:14:32.966 INFO kablam!    |
Oct 13 00:14:32.966 INFO kablam! 45 |     let mut bytes_count: u32;
Oct 13 00:14:32.966 INFO kablam!    |             ^^^^^^^^^^^
Oct 13 00:14:32.966 INFO kablam!    |
Oct 13 00:14:32.966 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 00:14:32.966 INFO kablam!    = note: consider using `_bytes_count` instead
Oct 13 00:14:32.966 INFO kablam! 
Oct 13 00:14:32.966 INFO kablam! warning: value assigned to `bytes_count` is never read
Oct 13 00:14:32.966 INFO kablam!   --> src/main.rs:47:5
Oct 13 00:14:32.966 INFO kablam!    |
Oct 13 00:14:32.966 INFO kablam! 47 |     bytes_count = 0;
Oct 13 00:14:32.966 INFO kablam!    |     ^^^^^^^^^^^
Oct 13 00:14:32.966 INFO kablam!    |
Oct 13 00:14:32.966 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 13 00:14:32.966 INFO kablam! 
Oct 13 00:14:32.984 INFO kablam! warning: variable does not need to be mutable
Oct 13 00:14:32.984 INFO kablam!   --> src/main.rs:45:9
Oct 13 00:14:32.984 INFO kablam!    |
Oct 13 00:14:32.984 INFO kablam! 45 |     let mut bytes_count: u32;
Oct 13 00:14:32.984 INFO kablam!    |         ----^^^^^^^^^^^
Oct 13 00:14:32.984 INFO kablam!    |         |
Oct 13 00:14:32.984 INFO kablam!    |         help: remove this `mut`
Oct 13 00:14:32.984 INFO kablam!    |
Oct 13 00:14:32.984 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 00:14:32.984 INFO kablam! 
Oct 13 00:14:32.984 INFO kablam! warning: field is never used: `code`
Oct 13 00:14:32.984 INFO kablam!   --> src/main.rs:67:5
Oct 13 00:14:32.984 INFO kablam!    |
Oct 13 00:14:32.984 INFO kablam! 67 |     code: u32,
Oct 13 00:14:32.984 INFO kablam!    |     ^^^^^^^^^
Oct 13 00:14:32.984 INFO kablam!    |
Oct 13 00:14:32.984 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 00:14:32.984 INFO kablam! 
Oct 13 00:14:32.984 INFO kablam! warning: field is never used: `comment`
Oct 13 00:14:32.985 INFO kablam!   --> src/main.rs:68:5
Oct 13 00:14:32.985 INFO kablam!    |
Oct 13 00:14:32.985 INFO kablam! 68 |     comment: u32,
Oct 13 00:14:32.985 INFO kablam!    |     ^^^^^^^^^^^^
Oct 13 00:14:32.985 INFO kablam! 
Oct 13 00:14:32.985 INFO kablam! warning: field is never used: `blank`
Oct 13 00:14:32.985 INFO kablam!   --> src/main.rs:69:5
Oct 13 00:14:32.985 INFO kablam!    |
Oct 13 00:14:32.985 INFO kablam! 69 |     blank: u32,
Oct 13 00:14:32.985 INFO kablam!    |     ^^^^^^^^^^
Oct 13 00:14:32.985 INFO kablam! 
Oct 13 00:14:32.985 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 00:14:32.985 INFO kablam!   --> src/main.rs:16:9
Oct 13 00:14:32.985 INFO kablam!    |
Oct 13 00:14:32.985 INFO kablam! 16 |         process_file(&mut file_job);
Oct 13 00:14:32.985 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:14:32.985 INFO kablam!    |
Oct 13 00:14:32.985 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 00:14:32.985 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 00:14:32.985 INFO kablam! 
Oct 13 00:14:33.044 INFO kablam! warning: variable `bytes_count` is assigned to, but never used
Oct 13 00:14:33.044 INFO kablam!   --> src/main.rs:45:13
Oct 13 00:14:33.044 INFO kablam!    |
Oct 13 00:14:33.044 INFO kablam! 45 |     let mut bytes_count: u32;
Oct 13 00:14:33.044 INFO kablam!    |             ^^^^^^^^^^^
Oct 13 00:14:33.044 INFO kablam!    |
Oct 13 00:14:33.044 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 00:14:33.044 INFO kablam!    = note: consider using `_bytes_count` instead
Oct 13 00:14:33.044 INFO kablam! 
Oct 13 00:14:33.048 INFO kablam! warning: value assigned to `bytes_count` is never read
Oct 13 00:14:33.048 INFO kablam!   --> src/main.rs:47:5
Oct 13 00:14:33.048 INFO kablam!    |
Oct 13 00:14:33.049 INFO kablam! 47 |     bytes_count = 0;
Oct 13 00:14:33.049 INFO kablam!    |     ^^^^^^^^^^^
Oct 13 00:14:33.049 INFO kablam!    |
Oct 13 00:14:33.049 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 13 00:14:33.049 INFO kablam! 
Oct 13 00:14:33.052 INFO kablam! warning: variable does not need to be mutable
Oct 13 00:14:33.052 INFO kablam!   --> src/main.rs:45:9
Oct 13 00:14:33.052 INFO kablam!    |
Oct 13 00:14:33.052 INFO kablam! 45 |     let mut bytes_count: u32;
Oct 13 00:14:33.052 INFO kablam!    |         ----^^^^^^^^^^^
Oct 13 00:14:33.052 INFO kablam!    |         |
Oct 13 00:14:33.052 INFO kablam!    |         help: remove this `mut`
Oct 13 00:14:33.052 INFO kablam!    |
Oct 13 00:14:33.052 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 00:14:33.052 INFO kablam! 
Oct 13 00:14:33.052 INFO kablam! warning: field is never used: `code`
Oct 13 00:14:33.052 INFO kablam!   --> src/main.rs:67:5
Oct 13 00:14:33.052 INFO kablam!    |
Oct 13 00:14:33.052 INFO kablam! 67 |     code: u32,
Oct 13 00:14:33.052 INFO kablam!    |     ^^^^^^^^^
Oct 13 00:14:33.052 INFO kablam!    |
Oct 13 00:14:33.052 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 00:14:33.052 INFO kablam! 
Oct 13 00:14:33.052 INFO kablam! warning: field is never used: `comment`
Oct 13 00:14:33.052 INFO kablam!   --> src/main.rs:68:5
Oct 13 00:14:33.052 INFO kablam!    |
Oct 13 00:14:33.052 INFO kablam! 68 |     comment: u32,
Oct 13 00:14:33.052 INFO kablam!    |     ^^^^^^^^^^^^
Oct 13 00:14:33.052 INFO kablam! 
Oct 13 00:14:33.052 INFO kablam! warning: field is never used: `blank`
Oct 13 00:14:33.052 INFO kablam!   --> src/main.rs:69:5
Oct 13 00:14:33.052 INFO kablam!    |
Oct 13 00:14:33.052 INFO kablam! 69 |     blank: u32,
Oct 13 00:14:33.052 INFO kablam!    |     ^^^^^^^^^^
Oct 13 00:14:33.052 INFO kablam! 
Oct 13 00:14:33.062 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 00:14:33.062 INFO kablam!   --> src/main.rs:16:9
Oct 13 00:14:33.062 INFO kablam!    |
Oct 13 00:14:33.062 INFO kablam! 16 |         process_file(&mut file_job);
Oct 13 00:14:33.062 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:14:33.062 INFO kablam!    |
Oct 13 00:14:33.062 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 00:14:33.062 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 00:14:33.062 INFO kablam! 
Oct 13 00:14:33.084 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Oct 13 00:14:33.094 INFO kablam! su: No module specific data is present
Oct 13 00:14:33.489 INFO running `"docker" "rm" "-f" "d3fbc0c71cf656e106718c1f0f32c5c5da56de38f61792c18f98c3771702806e"`
Oct 13 00:14:33.597 INFO blam! d3fbc0c71cf656e106718c1f0f32c5c5da56de38f61792c18f98c3771702806e