Dec 12 17:01:04.120 INFO checking cargo-sym-0.0.6 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:01:04.120 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12 17:01:04.536 INFO [stdout] cb1e412949b357f3f90cf22e3cb68cd6fb8505d82b20f301e79f1fab87e2427d
Dec 12 17:01:04.538 INFO running `"docker" "start" "-a" "cb1e412949b357f3f90cf22e3cb68cd6fb8505d82b20f301e79f1fab87e2427d"`
Dec 12 17:01:06.024 INFO [stderr] usermod: no changes
Dec 12 17:01:06.216 INFO [stderr]     Checking scroll v0.3.0
Dec 12 17:01:06.220 INFO [stderr]    Compiling capstone-sys v0.2.0
Dec 12 17:01:06.220 INFO [stderr]    Compiling scroll_derive v0.3.0
Dec 12 17:01:10.372 INFO [stderr]     Checking goblin v0.0.8
Dec 12 17:01:37.797 INFO [stderr]     Checking capstone3 v0.1.0
Dec 12 17:01:38.685 INFO [stderr]     Checking cargo-sym v0.0.6 (/source)
Dec 12 17:01:42.386 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:42.386 INFO [stderr]   --> src/main.rs:67:13
Dec 12 17:01:42.386 INFO [stderr]    |
Dec 12 17:01:42.386 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 12 17:01:42.386 INFO [stderr]    |             ----^^^^^^^^^^
Dec 12 17:01:42.386 INFO [stderr]    |             |
Dec 12 17:01:42.386 INFO [stderr]    |             help: remove this `mut`
Dec 12 17:01:42.386 INFO [stderr]    |
Dec 12 17:01:42.386 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 17:01:42.386 INFO [stderr] 
Dec 12 17:01:42.444 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:42.444 INFO [stderr]    --> src/main.rs:404:9
Dec 12 17:01:42.444 INFO [stderr]     |
Dec 12 17:01:42.445 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 12 17:01:42.445 INFO [stderr]     |         ----^^^^^
Dec 12 17:01:42.445 INFO [stderr]     |         |
Dec 12 17:01:42.445 INFO [stderr]     |         help: remove this `mut`
Dec 12 17:01:42.445 INFO [stderr] 
Dec 12 17:01:42.607 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:42.612 INFO [stderr]   --> src/main.rs:67:13
Dec 12 17:01:42.612 INFO [stderr]    |
Dec 12 17:01:42.612 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 12 17:01:42.612 INFO [stderr]    |             ----^^^^^^^^^^
Dec 12 17:01:42.612 INFO [stderr]    |             |
Dec 12 17:01:42.612 INFO [stderr]    |             help: remove this `mut`
Dec 12 17:01:42.612 INFO [stderr]    |
Dec 12 17:01:42.612 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 17:01:42.612 INFO [stderr] 
Dec 12 17:01:42.647 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:42.652 INFO [stderr]    --> src/main.rs:404:9
Dec 12 17:01:42.652 INFO [stderr]     |
Dec 12 17:01:42.652 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 12 17:01:42.652 INFO [stderr]     |         ----^^^^^
Dec 12 17:01:42.652 INFO [stderr]     |         |
Dec 12 17:01:42.652 INFO [stderr]     |         help: remove this `mut`
Dec 12 17:01:42.652 INFO [stderr] 
Dec 12 17:01:42.749 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.69s
Dec 12 17:01:42.761 INFO [stderr] su: No module specific data is present
Dec 12 17:01:43.538 INFO running `"docker" "inspect" "cb1e412949b357f3f90cf22e3cb68cd6fb8505d82b20f301e79f1fab87e2427d"`
Dec 12 17:01:43.852 INFO running `"docker" "rm" "-f" "cb1e412949b357f3f90cf22e3cb68cd6fb8505d82b20f301e79f1fab87e2427d"`
Dec 12 17:01:44.164 INFO [stdout] cb1e412949b357f3f90cf22e3cb68cd6fb8505d82b20f301e79f1fab87e2427d