Dec 18 04:07:21.753 INFO checking alyssaverkade/neural_network against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:07:21.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/alyssaverkade/neural_network:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:07:22.105 INFO [stdout] be62e3657bceb31b92c2bb2f6940747e822b77a5b4161234d2932edc01a5d41d
Dec 18 04:07:22.112 INFO running `"docker" "start" "-a" "be62e3657bceb31b92c2bb2f6940747e822b77a5b4161234d2932edc01a5d41d"`
Dec 18 04:07:23.080 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 18 04:07:23.208 INFO [stderr]     Checking nodrop v0.1.12
Dec 18 04:07:23.208 INFO [stderr]     Checking cfg-if v0.1.4
Dec 18 04:07:23.208 INFO [stderr]    Compiling num-traits v0.2.5
Dec 18 04:07:23.208 INFO [stderr]     Checking scopeguard v0.3.3
Dec 18 04:07:23.208 INFO [stderr]     Checking lazy_static v1.0.2
Dec 18 04:07:23.209 INFO [stderr]     Checking memoffset v0.2.1
Dec 18 04:07:23.209 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 18 04:07:23.209 INFO [stderr]     Checking libc v0.2.42
Dec 18 04:07:23.492 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 18 04:07:23.688 INFO [stderr]    Compiling num-integer v0.1.39
Dec 18 04:07:23.756 INFO [stderr]    Compiling num-iter v0.1.37
Dec 18 04:07:23.760 INFO [stderr]    Compiling rayon v1.0.2
Dec 18 04:07:23.913 INFO [stderr]     Checking byteorder v1.2.4
Dec 18 04:07:27.368 INFO [stderr]     Checking void v1.0.2
Dec 18 04:07:28.960 INFO [stderr]    Compiling serde v1.0.70
Dec 18 04:07:28.961 INFO [stderr]     Checking either v1.5.0
Dec 18 04:07:28.963 INFO [stderr]     Checking adler32 v1.0.3
Dec 18 04:07:29.545 INFO [stderr]     Checking lzw v0.10.0
Dec 18 04:07:29.717 INFO [stderr]     Checking bitflags v1.0.3
Dec 18 04:07:30.201 INFO [stderr]     Checking color_quant v1.0.1
Dec 18 04:07:30.338 INFO [stderr]     Checking rand_core v0.2.1
Dec 18 04:07:30.847 INFO [stderr]     Checking slog v2.3.2
Dec 18 04:07:30.870 INFO [stderr]     Checking take_mut v0.2.2
Dec 18 04:07:30.946 INFO [stderr]     Checking scoped_threadpool v0.1.9
Dec 18 04:07:30.967 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 18 04:07:32.220 INFO [stderr]     Checking arrayvec v0.4.7
Dec 18 04:07:32.285 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 18 04:07:32.856 INFO [stderr]     Checking term v0.5.1
Dec 18 04:07:33.544 INFO [stderr]     Checking unreachable v1.0.0
Dec 18 04:07:34.170 INFO [stderr]     Checking num_cpus v1.8.0
Dec 18 04:07:34.216 INFO [stderr]     Checking time v0.1.40
Dec 18 04:07:34.316 INFO [stderr]     Checking isatty v0.1.8
Dec 18 04:07:34.832 INFO [stderr]     Checking memmap v0.6.2
Dec 18 04:07:36.000 INFO [stderr]     Checking deflate v0.7.18
Dec 18 04:07:36.000 INFO [stderr]     Checking inflate v0.4.3
Dec 18 04:07:36.124 INFO [stderr]     Checking gif v0.10.0
Dec 18 04:07:36.248 INFO [stderr]     Checking rand v0.5.4
Dec 18 04:07:36.452 INFO [stderr]     Checking thread_local v0.3.5
Dec 18 04:07:36.665 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 18 04:07:41.357 INFO [stderr]     Checking slog-async v2.3.0
Dec 18 04:07:41.410 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 18 04:07:48.536 INFO [stderr]     Checking streaming-stats v0.2.0
Dec 18 04:07:54.212 INFO [stderr]     Checking chrono v0.4.5
Dec 18 04:07:54.372 INFO [stderr]     Checking num-rational v0.1.42
Dec 18 04:07:55.742 INFO [stderr]     Checking png v0.12.0
Dec 18 04:08:03.298 INFO [stderr]     Checking slog-term v2.4.0
Dec 18 04:08:03.946 INFO [stderr]    Compiling quote v0.6.4
Dec 18 04:08:07.562 INFO [stderr]    Compiling syn v0.14.5
Dec 18 04:08:08.138 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 18 04:08:25.464 INFO [stderr]     Checking bincode v1.0.1
Dec 18 04:08:43.626 INFO [stderr]    Compiling num-derive v0.2.2
Dec 18 04:08:47.700 INFO [stderr]     Checking image v0.19.0
Dec 18 04:08:52.652 INFO [stderr]     Checking neural_net v0.1.0 (/opt/crater/workdir)
Dec 18 04:08:53.990 INFO [stderr] error[E0599]: no method named `exact_chunks` found for type `&[u8]` in the current scope
Dec 18 04:08:53.990 INFO [stderr]   --> src/image_reader.rs:27:39
Dec 18 04:08:53.991 INFO [stderr]    |
Dec 18 04:08:53.991 INFO [stderr] 27 |         for triplet in rgb.as_slice().exact_chunks(3) {
Dec 18 04:08:53.991 INFO [stderr]    |                                       ^^^^^^^^^^^^
Dec 18 04:08:53.991 INFO [stderr] 
Dec 18 04:08:54.020 INFO [stderr] error: aborting due to previous error
Dec 18 04:08:54.021 INFO [stderr] error[E0599]: no method named `exact_chunks` found for type `&[u8]` in the current scope
Dec 18 04:08:54.021 INFO [stderr]   --> src/image_reader.rs:27:39
Dec 18 04:08:54.021 INFO [stderr]    |
Dec 18 04:08:54.022 INFO [stderr] 27 |         for triplet in rgb.as_slice().exact_chunks(3) {
Dec 18 04:08:54.022 INFO [stderr]    |                                       ^^^^^^^^^^^^
Dec 18 04:08:54.022 INFO [stderr] 
Dec 18 04:08:54.022 INFO [stderr] 
Dec 18 04:08:54.023 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 18 04:08:54.027 INFO [stderr] error: aborting due to previous error
Dec 18 04:08:54.027 INFO [stderr] 
Dec 18 04:08:54.027 INFO [stderr] For more information about this error, try `rustc --explain E0599`.
Dec 18 04:08:54.041 INFO [stderr] error: Could not compile `neural_net`.
Dec 18 04:08:54.042 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 04:08:54.053 INFO [stderr] error: Could not compile `neural_net`.
Dec 18 04:08:54.053 INFO [stderr] 
Dec 18 04:08:54.053 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 04:08:55.405 INFO running `"docker" "inspect" "be62e3657bceb31b92c2bb2f6940747e822b77a5b4161234d2932edc01a5d41d"`
Dec 18 04:08:55.762 INFO running `"docker" "rm" "-f" "be62e3657bceb31b92c2bb2f6940747e822b77a5b4161234d2932edc01a5d41d"`
Dec 18 04:08:55.966 INFO [stdout] be62e3657bceb31b92c2bb2f6940747e822b77a5b4161234d2932edc01a5d41d