Dec 04 14:23:17.787 INFO checking maxbeutel/rust-hough-transform against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 14:23:17.787 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 14:23:18.258 INFO [stdout] 9096f48e47a7de5edc664cd6d6925e26093f3a592fd0c2cd6b42485dbb447052
Dec 04 14:23:18.260 INFO running `"docker" "start" "-a" "9096f48e47a7de5edc664cd6d6925e26093f3a592fd0c2cd6b42485dbb447052"`
Dec 04 14:23:19.574 INFO [stderr] usermod: no changes
Dec 04 14:23:19.815 INFO [stderr]     Checking rustc-serialize v0.3.20
Dec 04 14:23:19.815 INFO [stderr]    Compiling typenum v1.6.0
Dec 04 14:23:19.847 INFO [stderr]     Checking rand v0.3.14
Dec 04 14:23:19.847 INFO [stderr]     Checking deflate v0.7.5
Dec 04 14:23:19.847 INFO [stderr]     Checking env_logger v0.3.5
Dec 04 14:23:22.511 INFO [stderr]     Checking deque v0.3.1
Dec 04 14:23:22.511 INFO [stderr]     Checking quickcheck v0.2.27
Dec 04 14:23:23.147 INFO [stderr]     Checking rayon v0.5.0
Dec 04 14:23:23.147 INFO [stderr]     Checking png v0.6.2
Dec 04 14:23:24.951 INFO [stderr]     Checking generic-array v0.2.1
Dec 04 14:23:25.435 INFO [stderr]     Checking jpeg-decoder v0.1.8
Dec 04 14:23:27.311 INFO [stderr]     Checking num-bigint v0.1.35
Dec 04 14:23:27.311 INFO [stderr]     Checking num-complex v0.1.35
Dec 04 14:23:27.999 INFO [stderr]     Checking alga v0.5.1
Dec 04 14:23:28.229 INFO [stderr]     Checking num-rational v0.1.35
Dec 04 14:23:28.897 INFO [stderr]     Checking num v0.1.36
Dec 04 14:23:29.381 INFO [stderr]     Checking enum_primitive v0.1.0
Dec 04 14:23:29.381 INFO [stderr]     Checking nalgebra v0.5.1
Dec 04 14:23:30.752 INFO [stderr]     Checking image v0.12.3
Dec 04 14:23:35.294 INFO [stderr]     Checking nalgebra v0.11.1
Dec 04 14:23:41.326 INFO [stderr]     Checking imageproc v0.7.0
Dec 04 14:23:57.542 INFO [stderr]     Checking hough-transform v0.1.0 (/source)
Dec 04 14:23:59.343 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:23:59.343 INFO [stderr]   --> src/main.rs:69:28
Dec 04 14:23:59.343 INFO [stderr]    |
Dec 04 14:23:59.343 INFO [stderr] 69 | fn dump_line_visualization(mut img: &mut image::DynamicImage,
Dec 04 14:23:59.343 INFO [stderr]    |                            ----^^^
Dec 04 14:23:59.343 INFO [stderr]    |                            |
Dec 04 14:23:59.343 INFO [stderr]    |                            help: remove this `mut`
Dec 04 14:23:59.343 INFO [stderr]    |
Dec 04 14:23:59.343 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:23:59.343 INFO [stderr] 
Dec 04 14:23:59.544 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:23:59.544 INFO [stderr]   --> src/main.rs:69:28
Dec 04 14:23:59.544 INFO [stderr]    |
Dec 04 14:23:59.544 INFO [stderr] 69 | fn dump_line_visualization(mut img: &mut image::DynamicImage,
Dec 04 14:23:59.544 INFO [stderr]    |                            ----^^^
Dec 04 14:23:59.544 INFO [stderr]    |                            |
Dec 04 14:23:59.544 INFO [stderr]    |                            help: remove this `mut`
Dec 04 14:23:59.544 INFO [stderr]    |
Dec 04 14:23:59.544 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 14:23:59.544 INFO [stderr] 
Dec 04 14:23:59.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.03s
Dec 04 14:23:59.634 INFO [stderr] su: No module specific data is present
Dec 04 14:23:59.989 INFO running `"docker" "inspect" "9096f48e47a7de5edc664cd6d6925e26093f3a592fd0c2cd6b42485dbb447052"`
Dec 04 14:24:00.121 INFO running `"docker" "rm" "-f" "9096f48e47a7de5edc664cd6d6925e26093f3a592fd0c2cd6b42485dbb447052"`
Dec 04 14:24:00.232 INFO [stdout] 9096f48e47a7de5edc664cd6d6925e26093f3a592fd0c2cd6b42485dbb447052