Dec 05 15:41:31.304 INFO checking cargo-sym-0.0.6 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:41:31.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 15:41:31.760 INFO [stdout] 70dc96ecc481e24f45dc9cc88fbc24e87e374f8490fbce8f002cda56e41120d8
Dec 05 15:41:31.767 INFO running `"docker" "start" "-a" "70dc96ecc481e24f45dc9cc88fbc24e87e374f8490fbce8f002cda56e41120d8"`
Dec 05 15:41:33.131 INFO [stderr] usermod: no changes
Dec 05 15:41:33.315 INFO [stderr]     Checking scroll v0.3.0
Dec 05 15:41:33.316 INFO [stderr]    Compiling capstone-sys v0.2.0
Dec 05 15:41:33.316 INFO [stderr]    Compiling scroll_derive v0.3.0
Dec 05 15:41:36.639 INFO [stderr]     Checking goblin v0.0.8
Dec 05 15:42:07.458 INFO [stderr]     Checking capstone3 v0.1.0
Dec 05 15:42:08.251 INFO [stderr]     Checking cargo-sym v0.0.6 (/source)
Dec 05 15:42:11.559 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:42:11.559 INFO [stderr]   --> src/main.rs:67:13
Dec 05 15:42:11.559 INFO [stderr]    |
Dec 05 15:42:11.559 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 05 15:42:11.559 INFO [stderr]    |             ----^^^^^^^^^^
Dec 05 15:42:11.559 INFO [stderr]    |             |
Dec 05 15:42:11.559 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:42:11.559 INFO [stderr]    |
Dec 05 15:42:11.559 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:42:11.559 INFO [stderr] 
Dec 05 15:42:11.611 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:42:11.611 INFO [stderr]    --> src/main.rs:404:9
Dec 05 15:42:11.611 INFO [stderr]     |
Dec 05 15:42:11.611 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 05 15:42:11.611 INFO [stderr]     |         ----^^^^^
Dec 05 15:42:11.611 INFO [stderr]     |         |
Dec 05 15:42:11.611 INFO [stderr]     |         help: remove this `mut`
Dec 05 15:42:11.611 INFO [stderr] 
Dec 05 15:42:11.635 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:42:11.635 INFO [stderr]   --> src/main.rs:67:13
Dec 05 15:42:11.635 INFO [stderr]    |
Dec 05 15:42:11.635 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 05 15:42:11.635 INFO [stderr]    |             ----^^^^^^^^^^
Dec 05 15:42:11.635 INFO [stderr]    |             |
Dec 05 15:42:11.635 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:42:11.635 INFO [stderr]    |
Dec 05 15:42:11.635 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:42:11.635 INFO [stderr] 
Dec 05 15:42:11.671 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:42:11.671 INFO [stderr]    --> src/main.rs:404:9
Dec 05 15:42:11.671 INFO [stderr]     |
Dec 05 15:42:11.671 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 05 15:42:11.671 INFO [stderr]     |         ----^^^^^
Dec 05 15:42:11.671 INFO [stderr]     |         |
Dec 05 15:42:11.671 INFO [stderr]     |         help: remove this `mut`
Dec 05 15:42:11.671 INFO [stderr] 
Dec 05 15:42:11.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.64s
Dec 05 15:42:11.799 INFO [stderr] su: No module specific data is present
Dec 05 15:42:12.552 INFO running `"docker" "inspect" "70dc96ecc481e24f45dc9cc88fbc24e87e374f8490fbce8f002cda56e41120d8"`
Dec 05 15:42:12.889 INFO running `"docker" "rm" "-f" "70dc96ecc481e24f45dc9cc88fbc24e87e374f8490fbce8f002cda56e41120d8"`
Dec 05 15:42:13.270 INFO [stdout] 70dc96ecc481e24f45dc9cc88fbc24e87e374f8490fbce8f002cda56e41120d8