Dec 12 17:01:05.009 INFO checking cargo-sym-0.0.6 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:01:05.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 17:01:05.530 INFO [stdout] 4700a8f0c1806356cf241dce53a0ed32abf4f5bce94854cae06182917cd4be60
Dec 12 17:01:05.532 INFO running `"docker" "start" "-a" "4700a8f0c1806356cf241dce53a0ed32abf4f5bce94854cae06182917cd4be60"`
Dec 12 17:01:07.068 INFO [stderr] usermod: no changes
Dec 12 17:01:07.345 INFO [stderr]     Checking scroll v0.3.0
Dec 12 17:01:07.350 INFO [stderr]    Compiling capstone-sys v0.2.0
Dec 12 17:01:07.350 INFO [stderr]    Compiling scroll_derive v0.3.0
Dec 12 17:01:11.279 INFO [stderr]     Checking goblin v0.0.8
Dec 12 17:01:40.256 INFO [stderr]     Checking capstone3 v0.1.0
Dec 12 17:01:41.076 INFO [stderr]     Checking cargo-sym v0.0.6 (/source)
Dec 12 17:01:44.136 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:44.136 INFO [stderr]   --> src/main.rs:67:13
Dec 12 17:01:44.136 INFO [stderr]    |
Dec 12 17:01:44.136 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 12 17:01:44.136 INFO [stderr]    |             ----^^^^^^^^^^
Dec 12 17:01:44.136 INFO [stderr]    |             |
Dec 12 17:01:44.136 INFO [stderr]    |             help: remove this `mut`
Dec 12 17:01:44.136 INFO [stderr]    |
Dec 12 17:01:44.136 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 17:01:44.136 INFO [stderr] 
Dec 12 17:01:44.172 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:44.172 INFO [stderr]    --> src/main.rs:404:9
Dec 12 17:01:44.172 INFO [stderr]     |
Dec 12 17:01:44.172 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 12 17:01:44.172 INFO [stderr]     |         ----^^^^^
Dec 12 17:01:44.172 INFO [stderr]     |         |
Dec 12 17:01:44.172 INFO [stderr]     |         help: remove this `mut`
Dec 12 17:01:44.172 INFO [stderr] 
Dec 12 17:01:44.504 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:44.504 INFO [stderr]   --> src/main.rs:67:13
Dec 12 17:01:44.504 INFO [stderr]    |
Dec 12 17:01:44.504 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 12 17:01:44.504 INFO [stderr]    |             ----^^^^^^^^^^
Dec 12 17:01:44.504 INFO [stderr]    |             |
Dec 12 17:01:44.504 INFO [stderr]    |             help: remove this `mut`
Dec 12 17:01:44.504 INFO [stderr]    |
Dec 12 17:01:44.504 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 17:01:44.504 INFO [stderr] 
Dec 12 17:01:44.544 INFO [stderr] warning: variable does not need to be mutable
Dec 12 17:01:44.544 INFO [stderr]    --> src/main.rs:404:9
Dec 12 17:01:44.544 INFO [stderr]     |
Dec 12 17:01:44.544 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 12 17:01:44.544 INFO [stderr]     |         ----^^^^^
Dec 12 17:01:44.544 INFO [stderr]     |         |
Dec 12 17:01:44.544 INFO [stderr]     |         help: remove this `mut`
Dec 12 17:01:44.544 INFO [stderr] 
Dec 12 17:01:44.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.51s
Dec 12 17:01:44.622 INFO [stderr] su: No module specific data is present
Dec 12 17:01:45.548 INFO running `"docker" "inspect" "4700a8f0c1806356cf241dce53a0ed32abf4f5bce94854cae06182917cd4be60"`
Dec 12 17:01:45.968 INFO running `"docker" "rm" "-f" "4700a8f0c1806356cf241dce53a0ed32abf4f5bce94854cae06182917cd4be60"`
Dec 12 17:01:46.268 INFO [stdout] 4700a8f0c1806356cf241dce53a0ed32abf4f5bce94854cae06182917cd4be60