Dec 04 06:01:03.581 INFO checking zsiciarz/pixeldabble against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:01:03.581 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 06:01:04.196 INFO [stdout] c71d1649aa68ce9c40f0ba795987526372dd0dce8fc62c4eab65d6d7ee5b2560
Dec 04 06:01:04.198 INFO running `"docker" "start" "-a" "c71d1649aa68ce9c40f0ba795987526372dd0dce8fc62c4eab65d6d7ee5b2560"`
Dec 04 06:01:06.963 INFO [stderr] usermod: no changes
Dec 04 06:01:07.159 INFO [stderr]     Checking cfg-if v0.1.3
Dec 04 06:01:07.167 INFO [stderr]    Compiling num-traits v0.2.4
Dec 04 06:01:07.167 INFO [stderr]     Checking lazy_static v1.0.1
Dec 04 06:01:07.167 INFO [stderr]     Checking libc v0.2.41
Dec 04 06:01:07.179 INFO [stderr]    Compiling num-integer v0.1.38
Dec 04 06:01:07.207 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 04 06:01:07.211 INFO [stderr]    Compiling cc v1.0.17
Dec 04 06:01:07.216 INFO [stderr]    Compiling num-iter v0.1.37
Dec 04 06:01:07.657 INFO [stderr]     Checking adler32 v1.0.2
Dec 04 06:01:08.225 INFO [stderr]     Checking byteorder v1.2.3
Dec 04 06:01:10.327 INFO [stderr]     Checking either v1.5.0
Dec 04 06:01:10.783 INFO [stderr]     Checking color_quant v1.0.0
Dec 04 06:01:11.357 INFO [stderr]     Checking bitflags v1.0.3
Dec 04 06:01:11.909 INFO [stderr]     Checking lzw v0.10.0
Dec 04 06:01:12.000 INFO [stderr]     Checking rustc-demangle v0.1.8
Dec 04 06:01:12.127 INFO [stderr]     Checking scoped_threadpool v0.1.9
Dec 04 06:01:12.168 INFO [stderr]    Compiling proc-macro2 v0.4.4
Dec 04 06:01:12.672 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 04 06:01:13.036 INFO [stderr]     Checking inflate v0.4.2
Dec 04 06:01:14.273 INFO [stderr]     Checking itertools v0.7.8
Dec 04 06:01:14.669 INFO [stderr]     Checking deflate v0.7.18
Dec 04 06:01:14.897 INFO [stderr]     Checking term v0.5.1
Dec 04 06:01:15.177 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 04 06:01:15.395 INFO [stderr]     Checking gif v0.10.0
Dec 04 06:01:24.273 INFO [stderr]     Checking num_cpus v1.8.0
Dec 04 06:01:24.317 INFO [stderr]     Checking rand v0.4.2
Dec 04 06:01:24.323 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 04 06:01:24.580 INFO [stderr]    Compiling backtrace-sys v0.1.23
Dec 04 06:01:24.628 INFO [stderr]    Compiling quote v0.6.3
Dec 04 06:01:26.743 INFO [stderr]    Compiling syn v0.14.1
Dec 04 06:01:31.135 INFO [stderr]     Checking backtrace v0.3.8
Dec 04 06:01:31.880 INFO [stderr]     Checking error-chain v0.11.0
Dec 04 06:01:32.415 INFO [stderr]     Checking rayon v1.0.1
Dec 04 06:01:33.975 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 06:01:34.603 INFO [stderr]     Checking png v0.12.0
Dec 04 06:01:41.821 INFO [stderr]    Compiling num-derive v0.2.2
Dec 04 06:01:42.271 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 04 06:01:44.042 INFO [stderr]     Checking image v0.19.0
Dec 04 06:01:48.567 INFO [stderr]     Checking pixeldabble v0.1.0 (/source)
Dec 04 06:01:49.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.55s
Dec 04 06:01:49.578 INFO [stderr] su: No module specific data is present
Dec 04 06:01:50.501 INFO running `"docker" "inspect" "c71d1649aa68ce9c40f0ba795987526372dd0dce8fc62c4eab65d6d7ee5b2560"`
Dec 04 06:01:50.752 INFO running `"docker" "rm" "-f" "c71d1649aa68ce9c40f0ba795987526372dd0dce8fc62c4eab65d6d7ee5b2560"`
Dec 04 06:01:51.046 INFO [stdout] c71d1649aa68ce9c40f0ba795987526372dd0dce8fc62c4eab65d6d7ee5b2560