Dec 04 14:48:08.960 INFO checking m4b/cargo-sym against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:48:08.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 14:48:09.423 INFO [stdout] e5261fcf86c6e22f5332b0f046d6af03d1c5a73b5bda68aea5e4e09767751494
Dec 04 14:48:09.427 INFO running `"docker" "start" "-a" "e5261fcf86c6e22f5332b0f046d6af03d1c5a73b5bda68aea5e4e09767751494"`
Dec 04 14:48:10.471 INFO [stderr] usermod: no changes
Dec 04 14:48:10.579 INFO [stderr]     Checking scroll v0.3.0
Dec 04 14:48:10.579 INFO [stderr]     Checking walkdir v1.0.1
Dec 04 14:48:10.579 INFO [stderr]     Checking quick-error v1.1.0
Dec 04 14:48:10.607 INFO [stderr]    Compiling cmake v0.1.18
Dec 04 14:48:10.607 INFO [stderr]    Compiling syn v0.10.7
Dec 04 14:48:10.607 INFO [stderr]     Checking term_size v0.2.1
Dec 04 14:48:10.607 INFO [stderr]     Checking toml v0.2.1
Dec 04 14:48:11.443 INFO [stderr]     Checking clap v2.18.0
Dec 04 14:48:13.438 INFO [stderr]    Compiling capstone-sys v0.2.0
Dec 04 14:48:18.710 INFO [stderr]    Compiling scroll_derive v0.3.0
Dec 04 14:48:19.858 INFO [stderr]     Checking goblin v0.0.8
Dec 04 14:48:36.547 INFO [stderr]     Checking capstone3 v0.1.0
Dec 04 14:48:36.983 INFO [stderr]     Checking cargo-sym v0.0.6 (/source)
Dec 04 14:48:38.059 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:48:38.059 INFO [stderr]   --> src/main.rs:67:13
Dec 04 14:48:38.059 INFO [stderr]    |
Dec 04 14:48:38.059 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 04 14:48:38.059 INFO [stderr]    |             ----^^^^^^^^^^
Dec 04 14:48:38.059 INFO [stderr]    |             |
Dec 04 14:48:38.059 INFO [stderr]    |             help: remove this `mut`
Dec 04 14:48:38.059 INFO [stderr]    |
Dec 04 14:48:38.059 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:48:38.059 INFO [stderr] 
Dec 04 14:48:38.091 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:48:38.091 INFO [stderr]    --> src/main.rs:404:9
Dec 04 14:48:38.091 INFO [stderr]     |
Dec 04 14:48:38.091 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 04 14:48:38.091 INFO [stderr]     |         ----^^^^^
Dec 04 14:48:38.091 INFO [stderr]     |         |
Dec 04 14:48:38.091 INFO [stderr]     |         help: remove this `mut`
Dec 04 14:48:38.091 INFO [stderr] 
Dec 04 14:48:38.503 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:48:38.503 INFO [stderr]   --> src/main.rs:67:13
Dec 04 14:48:38.503 INFO [stderr]    |
Dec 04 14:48:38.503 INFO [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Dec 04 14:48:38.503 INFO [stderr]    |             ----^^^^^^^^^^
Dec 04 14:48:38.503 INFO [stderr]    |             |
Dec 04 14:48:38.503 INFO [stderr]    |             help: remove this `mut`
Dec 04 14:48:38.503 INFO [stderr]    |
Dec 04 14:48:38.503 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:48:38.503 INFO [stderr] 
Dec 04 14:48:38.543 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:48:38.543 INFO [stderr]    --> src/main.rs:404:9
Dec 04 14:48:38.543 INFO [stderr]     |
Dec 04 14:48:38.543 INFO [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
Dec 04 14:48:38.543 INFO [stderr]     |         ----^^^^^
Dec 04 14:48:38.543 INFO [stderr]     |         |
Dec 04 14:48:38.543 INFO [stderr]     |         help: remove this `mut`
Dec 04 14:48:38.543 INFO [stderr] 
Dec 04 14:48:38.623 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.13s
Dec 04 14:48:38.635 INFO [stderr] su: No module specific data is present
Dec 04 14:48:39.629 INFO running `"docker" "inspect" "e5261fcf86c6e22f5332b0f046d6af03d1c5a73b5bda68aea5e4e09767751494"`
Dec 04 14:48:39.853 INFO running `"docker" "rm" "-f" "e5261fcf86c6e22f5332b0f046d6af03d1c5a73b5bda68aea5e4e09767751494"`
Dec 04 14:48:40.014 INFO [stdout] e5261fcf86c6e22f5332b0f046d6af03d1c5a73b5bda68aea5e4e09767751494