Dec 04 06:01:02.956 INFO checking zsiciarz/pixeldabble against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 06:01:02.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06:01:03.478 INFO [stdout] 878771d26fe5fc1e2f5f56fb4a65d4fce42e6f0b0660ff8989d9799c0c5102c3
Dec 04 06:01:03.483 INFO running `"docker" "start" "-a" "878771d26fe5fc1e2f5f56fb4a65d4fce42e6f0b0660ff8989d9799c0c5102c3"`
Dec 04 06:01:05.047 INFO [stderr] usermod: no changes
Dec 04 06:01:05.203 INFO [stderr]     Checking cfg-if v0.1.3
Dec 04 06:01:05.203 INFO [stderr]    Compiling num-traits v0.2.4
Dec 04 06:01:05.203 INFO [stderr]     Checking lazy_static v1.0.1
Dec 04 06:01:05.219 INFO [stderr]    Compiling num-integer v0.1.38
Dec 04 06:01:05.230 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 04 06:01:05.230 INFO [stderr]    Compiling cc v1.0.17
Dec 04 06:01:05.230 INFO [stderr]     Checking libc v0.2.41
Dec 04 06:01:05.230 INFO [stderr]    Compiling num-iter v0.1.37
Dec 04 06:01:05.919 INFO [stderr]     Checking adler32 v1.0.2
Dec 04 06:01:08.247 INFO [stderr]     Checking byteorder v1.2.3
Dec 04 06:01:08.275 INFO [stderr]     Checking either v1.5.0
Dec 04 06:01:08.321 INFO [stderr]     Checking bitflags v1.0.3
Dec 04 06:01:08.929 INFO [stderr]     Checking rustc-demangle v0.1.8
Dec 04 06:01:08.943 INFO [stderr]     Checking color_quant v1.0.0
Dec 04 06:01:09.403 INFO [stderr]     Checking lzw v0.10.0
Dec 04 06:01:09.691 INFO [stderr]     Checking scoped_threadpool v0.1.9
Dec 04 06:01:10.169 INFO [stderr]    Compiling proc-macro2 v0.4.4
Dec 04 06:01:10.239 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 04 06:01:10.976 INFO [stderr]     Checking inflate v0.4.2
Dec 04 06:01:12.208 INFO [stderr]     Checking itertools v0.7.8
Dec 04 06:01:12.657 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 04 06:01:12.755 INFO [stderr]     Checking gif v0.10.0
Dec 04 06:01:12.831 INFO [stderr]     Checking deflate v0.7.18
Dec 04 06:01:14.151 INFO [stderr]     Checking term v0.5.1
Dec 04 06:01:21.100 INFO [stderr]     Checking rand v0.4.2
Dec 04 06:01:21.360 INFO [stderr]     Checking num_cpus v1.8.0
Dec 04 06:01:21.687 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 04 06:01:22.670 INFO [stderr]    Compiling backtrace-sys v0.1.23
Dec 04 06:01:24.851 INFO [stderr]    Compiling quote v0.6.3
Dec 04 06:01:26.488 INFO [stderr]    Compiling syn v0.14.1
Dec 04 06:01:30.114 INFO [stderr]     Checking backtrace v0.3.8
Dec 04 06:01:31.454 INFO [stderr]     Checking rayon v1.0.1
Dec 04 06:01:31.628 INFO [stderr]     Checking error-chain v0.11.0
Dec 04 06:01:32.671 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 06:01:33.339 INFO [stderr]     Checking png v0.12.0
Dec 04 06:01:40.500 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 04 06:01:40.587 INFO [stderr]    Compiling num-derive v0.2.2
Dec 04 06:01:42.481 INFO [stderr]     Checking image v0.19.0
Dec 04 06:01:47.163 INFO [stderr]     Checking pixeldabble v0.1.0 (/source)
Dec 04 06:01:48.094 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.01s
Dec 04 06:01:48.094 INFO [stderr] su: No module specific data is present
Dec 04 06:01:48.759 INFO running `"docker" "inspect" "878771d26fe5fc1e2f5f56fb4a65d4fce42e6f0b0660ff8989d9799c0c5102c3"`
Dec 04 06:01:49.155 INFO running `"docker" "rm" "-f" "878771d26fe5fc1e2f5f56fb4a65d4fce42e6f0b0660ff8989d9799c0c5102c3"`
Dec 04 06:01:49.579 INFO [stdout] 878771d26fe5fc1e2f5f56fb4a65d4fce42e6f0b0660ff8989d9799c0c5102c3