Oct 13 17:09:38.851 INFO checking cargo-sym-0.0.6 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 17:09:38.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 17:09:39.390 INFO blam! 0680df1468c9565ba243ea203e1015d7e9a22fc21e88e0cb18bb91a105cd721a
Oct 13 17:09:39.391 INFO running `"docker" "start" "-a" "0680df1468c9565ba243ea203e1015d7e9a22fc21e88e0cb18bb91a105cd721a"`
Oct 13 17:09:40.361 INFO kablam! usermod: no changes
Oct 13 17:09:40.472 INFO kablam!     Checking scroll v0.3.0
Oct 13 17:09:40.484 INFO kablam!    Compiling capstone-sys v0.2.0
Oct 13 17:09:40.484 INFO kablam!    Compiling scroll_derive v0.3.0
Oct 13 17:10:02.532 INFO kablam!     Checking goblin v0.0.8
Oct 13 17:10:18.028 INFO kablam!     Checking capstone3 v0.1.0
Oct 13 17:10:19.009 INFO kablam!     Checking cargo-sym v0.0.6 (/source)
Oct 13 17:10:21.388 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:10:21.389 INFO kablam!   --> src/main.rs:67:13
Oct 13 17:10:21.389 INFO kablam!    |
Oct 13 17:10:21.389 INFO kablam! 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Oct 13 17:10:21.390 INFO kablam!    |             ----^^^^^^^^^^
Oct 13 17:10:21.390 INFO kablam!    |             |
Oct 13 17:10:21.390 INFO kablam!    |             help: remove this `mut`
Oct 13 17:10:21.390 INFO kablam!    |
Oct 13 17:10:21.391 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 17:10:21.391 INFO kablam! 
Oct 13 17:10:21.464 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:10:21.465 INFO kablam!    --> src/main.rs:404:9
Oct 13 17:10:21.465 INFO kablam!     |
Oct 13 17:10:21.465 INFO kablam! 404 |     let mut bytes = &mut Cursor::new(&buffer);
Oct 13 17:10:21.466 INFO kablam!     |         ----^^^^^
Oct 13 17:10:21.466 INFO kablam!     |         |
Oct 13 17:10:21.466 INFO kablam!     |         help: remove this `mut`
Oct 13 17:10:21.466 INFO kablam! 
Oct 13 17:10:22.051 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:10:22.051 INFO kablam!   --> src/main.rs:67:13
Oct 13 17:10:22.051 INFO kablam!    |
Oct 13 17:10:22.052 INFO kablam! 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Oct 13 17:10:22.052 INFO kablam!    |             ----^^^^^^^^^^
Oct 13 17:10:22.052 INFO kablam!    |             |
Oct 13 17:10:22.052 INFO kablam!    |             help: remove this `mut`
Oct 13 17:10:22.053 INFO kablam!    |
Oct 13 17:10:22.053 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 17:10:22.053 INFO kablam! 
Oct 13 17:10:22.095 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:10:22.095 INFO kablam!    --> src/main.rs:404:9
Oct 13 17:10:22.095 INFO kablam!     |
Oct 13 17:10:22.095 INFO kablam! 404 |     let mut bytes = &mut Cursor::new(&buffer);
Oct 13 17:10:22.095 INFO kablam!     |         ----^^^^^
Oct 13 17:10:22.095 INFO kablam!     |         |
Oct 13 17:10:22.095 INFO kablam!     |         help: remove this `mut`
Oct 13 17:10:22.095 INFO kablam! 
Oct 13 17:10:22.208 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 41.82s
Oct 13 17:10:22.220 INFO kablam! su: No module specific data is present
Oct 13 17:10:22.995 INFO running `"docker" "rm" "-f" "0680df1468c9565ba243ea203e1015d7e9a22fc21e88e0cb18bb91a105cd721a"`
Oct 13 17:10:23.356 INFO blam! 0680df1468c9565ba243ea203e1015d7e9a22fc21e88e0cb18bb91a105cd721a