Oct 12 18:02:40.128 INFO checking m4b/cargo-sym against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:02:40.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 12 18:02:40.392 INFO blam! 84b02cdd69c26728fa2e2d0c6d249f267ece71afa5d35f5f48d64e4772eea51d
Oct 12 18:02:40.394 INFO running `"docker" "start" "-a" "84b02cdd69c26728fa2e2d0c6d249f267ece71afa5d35f5f48d64e4772eea51d"`
Oct 12 18:02:40.748 INFO kablam! usermod: no changes
Oct 12 18:02:40.846 INFO kablam!     Checking strsim v0.5.1
Oct 12 18:02:40.847 INFO kablam!     Checking scroll v0.3.0
Oct 12 18:02:40.847 INFO kablam!     Checking unicode-segmentation v0.1.2
Oct 12 18:02:40.848 INFO kablam!     Checking walkdir v1.0.1
Oct 12 18:02:40.849 INFO kablam!    Compiling cmake v0.1.18
Oct 12 18:02:40.849 INFO kablam!    Compiling syn v0.10.7
Oct 12 18:02:40.856 INFO kablam!     Checking toml v0.2.1
Oct 12 18:02:43.740 INFO kablam!    Compiling capstone-sys v0.2.0
Oct 12 18:02:44.188 INFO kablam!     Checking clap v2.18.0
Oct 12 18:02:51.867 INFO kablam!    Compiling scroll_derive v0.3.0
Oct 12 18:03:07.629 INFO kablam!     Checking goblin v0.0.8
Oct 12 18:03:14.662 INFO kablam!     Checking capstone3 v0.1.0
Oct 12 18:03:15.248 INFO kablam!     Checking cargo-sym v0.0.6 (/source)
Oct 12 18:03:16.431 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:03:16.431 INFO kablam!   --> src/main.rs:67:13
Oct 12 18:03:16.431 INFO kablam!    |
Oct 12 18:03:16.432 INFO kablam! 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Oct 12 18:03:16.432 INFO kablam!    |             ----^^^^^^^^^^
Oct 12 18:03:16.432 INFO kablam!    |             |
Oct 12 18:03:16.433 INFO kablam!    |             help: remove this `mut`
Oct 12 18:03:16.433 INFO kablam!    |
Oct 12 18:03:16.433 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:03:16.433 INFO kablam! 
Oct 12 18:03:16.434 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:03:16.434 INFO kablam!   --> src/main.rs:67:13
Oct 12 18:03:16.434 INFO kablam!    |
Oct 12 18:03:16.435 INFO kablam! 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Oct 12 18:03:16.435 INFO kablam!    |             ----^^^^^^^^^^
Oct 12 18:03:16.435 INFO kablam!    |             |
Oct 12 18:03:16.435 INFO kablam!    |             help: remove this `mut`
Oct 12 18:03:16.436 INFO kablam!    |
Oct 12 18:03:16.436 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:03:16.436 INFO kablam! 
Oct 12 18:03:16.472 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:03:16.476 INFO kablam!    --> src/main.rs:404:9
Oct 12 18:03:16.476 INFO kablam!     |
Oct 12 18:03:16.477 INFO kablam! 404 |     let mut bytes = &mut Cursor::new(&buffer);
Oct 12 18:03:16.477 INFO kablam!     |         ----^^^^^
Oct 12 18:03:16.477 INFO kablam!     |         |
Oct 12 18:03:16.477 INFO kablam!     |         help: remove this `mut`
Oct 12 18:03:16.478 INFO kablam! 
Oct 12 18:03:16.478 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:03:16.478 INFO kablam!    --> src/main.rs:404:9
Oct 12 18:03:16.479 INFO kablam!     |
Oct 12 18:03:16.479 INFO kablam! 404 |     let mut bytes = &mut Cursor::new(&buffer);
Oct 12 18:03:16.479 INFO kablam!     |         ----^^^^^
Oct 12 18:03:16.480 INFO kablam!     |         |
Oct 12 18:03:16.480 INFO kablam!     |         help: remove this `mut`
Oct 12 18:03:16.480 INFO kablam! 
Oct 12 18:03:16.572 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 35.79s
Oct 12 18:03:16.577 INFO kablam! su: No module specific data is present
Oct 12 18:03:17.310 INFO running `"docker" "rm" "-f" "84b02cdd69c26728fa2e2d0c6d249f267ece71afa5d35f5f48d64e4772eea51d"`
Oct 12 18:03:17.700 INFO blam! 84b02cdd69c26728fa2e2d0c6d249f267ece71afa5d35f5f48d64e4772eea51d