Dec 06 07:05:41.069 INFO testing alyssaverkade/neural_network against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:05:41.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 07:05:41.480 INFO [stdout] 19a501a12afe351c5da16e4adc033f7961a1261ff4259073d6cd3c628d20ed84
Dec 06 07:05:41.488 INFO running `"docker" "start" "-a" "19a501a12afe351c5da16e4adc033f7961a1261ff4259073d6cd3c628d20ed84"`
Dec 06 07:05:42.648 INFO [stderr] usermod: no changes
Dec 06 07:05:42.690 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 06 07:05:42.826 INFO [stderr]    Compiling cfg-if v0.1.4
Dec 06 07:05:42.826 INFO [stderr]    Compiling nodrop v0.1.12
Dec 06 07:05:42.831 INFO [stderr]    Compiling memoffset v0.2.1
Dec 06 07:05:42.831 INFO [stderr]    Compiling lazy_static v1.0.2
Dec 06 07:05:42.831 INFO [stderr]    Compiling num-traits v0.2.5
Dec 06 07:05:42.831 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 06 07:05:42.856 INFO [stderr]    Compiling libc v0.2.42
Dec 06 07:05:42.856 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 06 07:05:43.228 INFO [stderr]    Compiling num-integer v0.1.39
Dec 06 07:05:43.289 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 06 07:05:43.436 INFO [stderr]    Compiling rayon v1.0.2
Dec 06 07:05:43.557 INFO [stderr]    Compiling num-iter v0.1.37
Dec 06 07:05:44.428 INFO [stderr]    Compiling adler32 v1.0.3
Dec 06 07:05:44.636 INFO [stderr]    Compiling void v1.0.2
Dec 06 07:05:48.135 INFO [stderr]    Compiling byteorder v1.2.4
Dec 06 07:05:49.368 INFO [stderr]    Compiling either v1.5.0
Dec 06 07:05:49.379 INFO [stderr]    Compiling serde v1.0.70
Dec 06 07:05:49.400 INFO [stderr]    Compiling bitflags v1.0.3
Dec 06 07:05:49.997 INFO [stderr]    Compiling lzw v0.10.0
Dec 06 07:05:50.076 INFO [stderr]    Compiling color_quant v1.0.1
Dec 06 07:05:51.073 INFO [stderr]    Compiling scoped_threadpool v0.1.9
Dec 06 07:05:51.081 INFO [stderr]    Compiling take_mut v0.2.2
Dec 06 07:05:51.237 INFO [stderr]    Compiling rand_core v0.2.1
Dec 06 07:05:53.854 INFO [stderr]    Compiling slog v2.3.2
Dec 06 07:05:59.376 INFO [stderr]    Compiling crossbeam-utils v0.2.2
Dec 06 07:05:59.440 INFO [stderr]    Compiling arrayvec v0.4.7
Dec 06 07:05:59.544 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 06 07:05:59.644 INFO [stderr]    Compiling unreachable v1.0.0
Dec 06 07:05:59.824 INFO [stderr]    Compiling inflate v0.4.3
Dec 06 07:06:00.448 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 06 07:06:01.008 INFO [stderr]    Compiling time v0.1.40
Dec 06 07:06:01.753 INFO [stderr]    Compiling isatty v0.1.8
Dec 06 07:06:09.980 INFO [stderr]    Compiling memmap v0.6.2
Dec 06 07:06:10.588 INFO [stderr]    Compiling deflate v0.7.18
Dec 06 07:06:11.056 INFO [stderr]    Compiling term v0.5.1
Dec 06 07:06:11.065 INFO [stderr]    Compiling rand v0.5.4
Dec 06 07:06:11.112 INFO [stderr]    Compiling gif v0.10.0
Dec 06 07:06:31.842 INFO [stderr]    Compiling thread_local v0.3.5
Dec 06 07:06:36.954 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 06 07:06:36.970 INFO [stderr]    Compiling quote v0.6.4
Dec 06 07:06:38.122 INFO [stderr]    Compiling slog-async v2.3.0
Dec 06 07:06:41.473 INFO [stderr]    Compiling syn v0.14.5
Dec 06 07:06:49.488 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 06 07:06:51.665 INFO [stderr]    Compiling streaming-stats v0.2.0
Dec 06 07:06:57.182 INFO [stderr]    Compiling chrono v0.4.5
Dec 06 07:06:57.183 INFO [stderr]    Compiling num-rational v0.1.42
Dec 06 07:07:19.892 INFO [stderr]    Compiling png v0.12.0
Dec 06 07:07:51.421 INFO [stderr]    Compiling slog-term v2.4.0
Dec 06 07:07:51.505 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 06 07:07:53.064 INFO [stderr]    Compiling bincode v1.0.1
Dec 06 07:07:56.514 INFO [stderr]    Compiling num-derive v0.2.2
Dec 06 07:08:15.757 INFO [stderr]    Compiling image v0.19.0
Dec 06 07:08:58.200 INFO [stderr]    Compiling neural_net v0.1.0 (/source)
Dec 06 07:09:00.528 INFO [stderr] error[E0599]: no method named `exact_chunks` found for type `&[u8]` in the current scope
Dec 06 07:09:00.528 INFO [stderr]   --> src/image_reader.rs:27:39
Dec 06 07:09:00.528 INFO [stderr]    |
Dec 06 07:09:00.528 INFO [stderr] 27 |         for triplet in rgb.as_slice().exact_chunks(3) {
Dec 06 07:09:00.528 INFO [stderr]    |                                       ^^^^^^^^^^^^
Dec 06 07:09:00.528 INFO [stderr] 
Dec 06 07:09:00.537 INFO [stderr] error: aborting due to previous error
Dec 06 07:09:00.537 INFO [stderr] 
Dec 06 07:09:00.537 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 06 07:09:00.550 INFO [stderr] error: Could not compile `neural_net`.
Dec 06 07:09:00.550 INFO [stderr] 
Dec 06 07:09:00.550 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 07:09:00.560 INFO [stderr] su: No module specific data is present
Dec 06 07:09:01.025 INFO running `"docker" "inspect" "19a501a12afe351c5da16e4adc033f7961a1261ff4259073d6cd3c628d20ed84"`
Dec 06 07:09:01.110 INFO running `"docker" "rm" "-f" "19a501a12afe351c5da16e4adc033f7961a1261ff4259073d6cd3c628d20ed84"`
Dec 06 07:09:01.212 INFO [stdout] 19a501a12afe351c5da16e4adc033f7961a1261ff4259073d6cd3c628d20ed84