Dec 01 00:57:57.573 INFO checking cargo-sym-0.0.6 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 00:57:57.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01 00:57:58.054 INFO [stdout] 78f696d9ed5da805faf8df3f3038eb6d74bef65747426f3baa88e943fc62d4d8
Dec 01 00:57:58.056 INFO running `"docker" "start" "-a" "78f696d9ed5da805faf8df3f3038eb6d74bef65747426f3baa88e943fc62d4d8"`
Dec 01 00:58:00.496 INFO [stderr] usermod: no changes
Dec 01 00:58:00.648 INFO [stderr]     Checking scroll v0.3.0
Dec 01 00:58:00.656 INFO [stderr]    Compiling capstone-sys v0.2.0
Dec 01 00:58:00.656 INFO [stderr]    Compiling scroll_derive v0.3.0
Dec 01 00:58:21.389 INFO [stderr]     Checking goblin v0.0.8
Dec 01 00:58:38.583 INFO [stderr]     Checking capstone3 v0.1.0
Dec 01 00:58:39.336 INFO [stderr]     Checking cargo-sym v0.0.6 (/source)
Dec 01 00:58:42.032 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:58:42.033 INFO [stderr]   --> src/main.rs:67:13
Dec 01 00:58:42.033 INFO [stderr]    |
Dec 01 00:58:42.033 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 01 00:58:42.033 INFO [stderr]    |             ----^^^^^^^^^^
Dec 01 00:58:42.034 INFO [stderr]    |             |
Dec 01 00:58:42.034 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:58:42.034 INFO [stderr]    |
Dec 01 00:58:42.034 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:58:42.035 INFO [stderr] 
Dec 01 00:58:42.110 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:58:42.111 INFO [stderr]    --> src/main.rs:404:9
Dec 01 00:58:42.111 INFO [stderr]     |
Dec 01 00:58:42.111 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 01 00:58:42.111 INFO [stderr]     |         ----^^^^^
Dec 01 00:58:42.112 INFO [stderr]     |         |
Dec 01 00:58:42.112 INFO [stderr]     |         help: remove this `mut`
Dec 01 00:58:42.112 INFO [stderr] 
Dec 01 00:58:42.678 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:58:42.678 INFO [stderr]   --> src/main.rs:67:13
Dec 01 00:58:42.678 INFO [stderr]    |
Dec 01 00:58:42.678 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 01 00:58:42.679 INFO [stderr]    |             ----^^^^^^^^^^
Dec 01 00:58:42.679 INFO [stderr]    |             |
Dec 01 00:58:42.679 INFO [stderr]    |             help: remove this `mut`
Dec 01 00:58:42.679 INFO [stderr]    |
Dec 01 00:58:42.680 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 00:58:42.680 INFO [stderr] 
Dec 01 00:58:42.714 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:58:42.714 INFO [stderr]    --> src/main.rs:404:9
Dec 01 00:58:42.715 INFO [stderr]     |
Dec 01 00:58:42.715 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 01 00:58:42.715 INFO [stderr]     |         ----^^^^^
Dec 01 00:58:42.715 INFO [stderr]     |         |
Dec 01 00:58:42.716 INFO [stderr]     |         help: remove this `mut`
Dec 01 00:58:42.716 INFO [stderr] 
Dec 01 00:58:42.812 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.29s
Dec 01 00:58:42.817 INFO [stderr] su: No module specific data is present
Dec 01 00:58:43.515 INFO running `"docker" "inspect" "78f696d9ed5da805faf8df3f3038eb6d74bef65747426f3baa88e943fc62d4d8"`
Dec 01 00:58:43.864 INFO running `"docker" "rm" "-f" "78f696d9ed5da805faf8df3f3038eb6d74bef65747426f3baa88e943fc62d4d8"`
Dec 01 00:58:44.158 INFO [stdout] 78f696d9ed5da805faf8df3f3038eb6d74bef65747426f3baa88e943fc62d4d8