Dec 04 22:42:58.779 INFO checking alyssaverkade/neural_network against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:42:58.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 22:42:59.055 INFO [stdout] 79ee532f1fe35d86db5cbf8280b71e62bbc7cbedc9f316c2912ffbb011d261dc
Dec 04 22:42:59.059 INFO running `"docker" "start" "-a" "79ee532f1fe35d86db5cbf8280b71e62bbc7cbedc9f316c2912ffbb011d261dc"`
Dec 04 22:42:59.965 INFO [stderr] usermod: no changes
Dec 04 22:43:00.031 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 04 22:43:00.147 INFO [stderr]     Checking cfg-if v0.1.4
Dec 04 22:43:00.147 INFO [stderr]     Checking nodrop v0.1.12
Dec 04 22:43:00.147 INFO [stderr]     Checking scopeguard v0.3.3
Dec 04 22:43:00.147 INFO [stderr]     Checking memoffset v0.2.1
Dec 04 22:43:00.147 INFO [stderr]     Checking lazy_static v1.0.2
Dec 04 22:43:00.201 INFO [stderr]    Compiling num-traits v0.2.5
Dec 04 22:43:00.201 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 04 22:43:00.201 INFO [stderr]    Compiling num-integer v0.1.39
Dec 04 22:43:00.503 INFO [stderr]     Checking libc v0.2.42
Dec 04 22:43:00.553 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 04 22:43:00.683 INFO [stderr]    Compiling num-iter v0.1.37
Dec 04 22:43:00.811 INFO [stderr]    Compiling rayon v1.0.2
Dec 04 22:43:02.044 INFO [stderr]     Checking adler32 v1.0.3
Dec 04 22:43:02.399 INFO [stderr]     Checking either v1.5.0
Dec 04 22:43:05.139 INFO [stderr]    Compiling serde v1.0.70
Dec 04 22:43:05.803 INFO [stderr]     Checking byteorder v1.2.4
Dec 04 22:43:06.513 INFO [stderr]     Checking void v1.0.2
Dec 04 22:43:07.307 INFO [stderr]     Checking color_quant v1.0.1
Dec 04 22:43:10.851 INFO [stderr]     Checking bitflags v1.0.3
Dec 04 22:43:10.856 INFO [stderr]     Checking lzw v0.10.0
Dec 04 22:43:10.920 INFO [stderr]     Checking scoped_threadpool v0.1.9
Dec 04 22:43:11.315 INFO [stderr]     Checking take_mut v0.2.2
Dec 04 22:43:11.343 INFO [stderr]     Checking slog v2.3.2
Dec 04 22:43:11.419 INFO [stderr]     Checking rand_core v0.2.1
Dec 04 22:43:11.620 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 04 22:43:12.217 INFO [stderr]     Checking arrayvec v0.4.7
Dec 04 22:43:14.240 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 04 22:43:14.484 INFO [stderr]     Checking inflate v0.4.3
Dec 04 22:43:15.267 INFO [stderr]     Checking unreachable v1.0.0
Dec 04 22:43:15.540 INFO [stderr]     Checking deflate v0.7.18
Dec 04 22:43:15.993 INFO [stderr]     Checking term v0.5.1
Dec 04 22:43:16.231 INFO [stderr]     Checking num_cpus v1.8.0
Dec 04 22:43:17.139 INFO [stderr]     Checking time v0.1.40
Dec 04 22:43:17.696 INFO [stderr]     Checking isatty v0.1.8
Dec 04 22:43:18.292 INFO [stderr]     Checking memmap v0.6.2
Dec 04 22:43:21.296 INFO [stderr]     Checking gif v0.10.0
Dec 04 22:43:21.412 INFO [stderr]     Checking thread_local v0.3.5
Dec 04 22:43:21.804 INFO [stderr]     Checking rand v0.5.4
Dec 04 22:43:22.297 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 04 22:43:27.389 INFO [stderr]     Checking slog-async v2.3.0
Dec 04 22:43:27.766 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 04 22:43:36.344 INFO [stderr]     Checking streaming-stats v0.2.0
Dec 04 22:43:42.755 INFO [stderr]     Checking chrono v0.4.5
Dec 04 22:43:42.757 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 22:43:44.948 INFO [stderr]     Checking png v0.12.0
Dec 04 22:43:53.315 INFO [stderr]    Compiling quote v0.6.4
Dec 04 22:43:53.470 INFO [stderr]     Checking slog-term v2.4.0
Dec 04 22:43:58.041 INFO [stderr]    Compiling syn v0.14.5
Dec 04 22:43:59.959 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 04 22:44:15.891 INFO [stderr]     Checking bincode v1.0.1
Dec 04 22:44:35.435 INFO [stderr]    Compiling num-derive v0.2.2
Dec 04 22:44:41.871 INFO [stderr]     Checking image v0.19.0
Dec 04 22:44:47.157 INFO [stderr]     Checking neural_net v0.1.0 (/source)
Dec 04 22:44:51.267 INFO [stderr] error[E0599]: no method named `exact_chunks` found for type `&[u8]` in the current scope
Dec 04 22:44:51.267 INFO [stderr]   --> src/image_reader.rs:27:39
Dec 04 22:44:51.267 INFO [stderr]    |
Dec 04 22:44:51.267 INFO [stderr] 27 |         for triplet in rgb.as_slice().exact_chunks(3) {
Dec 04 22:44:51.267 INFO [stderr]    |                                       ^^^^^^^^^^^^
Dec 04 22:44:51.267 INFO [stderr] 
Dec 04 22:44:51.297 INFO [stderr] error: aborting due to previous error
Dec 04 22:44:51.297 INFO [stderr] 
Dec 04 22:44:51.297 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 04 22:44:51.339 INFO [stderr] error: Could not compile `neural_net`.
Dec 04 22:44:51.339 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 04 22:44:51.431 INFO [stderr] error[E0599]: no method named `exact_chunks` found for type `&[u8]` in the current scope
Dec 04 22:44:51.431 INFO [stderr]   --> src/image_reader.rs:27:39
Dec 04 22:44:51.431 INFO [stderr]    |
Dec 04 22:44:51.431 INFO [stderr] 27 |         for triplet in rgb.as_slice().exact_chunks(3) {
Dec 04 22:44:51.431 INFO [stderr]    |                                       ^^^^^^^^^^^^
Dec 04 22:44:51.431 INFO [stderr] 
Dec 04 22:44:51.444 INFO [stderr] error: aborting due to previous error
Dec 04 22:44:51.444 INFO [stderr] 
Dec 04 22:44:51.444 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 04 22:44:51.463 INFO [stderr] error: Could not compile `neural_net`.
Dec 04 22:44:51.463 INFO [stderr] 
Dec 04 22:44:51.463 INFO [stderr] To learn more, run the command again with --verbose.
Dec 04 22:44:51.463 INFO [stderr] su: No module specific data is present
Dec 04 22:44:52.313 INFO running `"docker" "inspect" "79ee532f1fe35d86db5cbf8280b71e62bbc7cbedc9f316c2912ffbb011d261dc"`
Dec 04 22:44:52.597 INFO running `"docker" "rm" "-f" "79ee532f1fe35d86db5cbf8280b71e62bbc7cbedc9f316c2912ffbb011d261dc"`
Dec 04 22:44:52.903 INFO [stdout] 79ee532f1fe35d86db5cbf8280b71e62bbc7cbedc9f316c2912ffbb011d261dc