Dec 01 19:45:09.399 INFO documenting alyssaverkade/neural_network against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 19:45:09.399 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 19:45:09.870 INFO [stdout] 3d2e0d4c5c1365737f031640d95c8d3f386961f5abba4a1d113ee204cbb93044
Dec 01 19:45:09.872 INFO running `"docker" "start" "-a" "3d2e0d4c5c1365737f031640d95c8d3f386961f5abba4a1d113ee204cbb93044"`
Dec 01 19:45:10.429 INFO [stderr] usermod: no changes
Dec 01 19:45:10.530 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 01 19:45:10.708 INFO [stderr]     Checking nodrop v0.1.12
Dec 01 19:45:10.716 INFO [stderr]     Checking cfg-if v0.1.4
Dec 01 19:45:10.716 INFO [stderr]    Compiling num-traits v0.2.5
Dec 01 19:45:10.716 INFO [stderr]     Checking memoffset v0.2.1
Dec 01 19:45:10.716 INFO [stderr]     Checking lazy_static v1.0.2
Dec 01 19:45:10.716 INFO [stderr]     Checking scopeguard v0.3.3
Dec 01 19:45:10.716 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 01 19:45:10.716 INFO [stderr]    Compiling num-integer v0.1.39
Dec 01 19:45:10.825 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 01 19:45:11.157 INFO [stderr]     Checking libc v0.2.42
Dec 01 19:45:11.436 INFO [stderr]    Compiling rayon v1.0.2
Dec 01 19:45:11.520 INFO [stderr]    Compiling num-iter v0.1.37
Dec 01 19:45:12.004 INFO [stderr]    Compiling serde v1.0.70
Dec 01 19:45:12.048 INFO [stderr]     Checking byteorder v1.2.4
Dec 01 19:45:21.036 INFO [stderr]     Checking either v1.5.0
Dec 01 19:45:21.148 INFO [stderr]     Checking adler32 v1.0.3
Dec 01 19:45:21.342 INFO [stderr]     Checking void v1.0.2
Dec 01 19:45:21.343 INFO [stderr]     Checking bitflags v1.0.3
Dec 01 19:45:21.353 INFO [stderr]     Checking lzw v0.10.0
Dec 01 19:45:21.513 INFO [stderr]     Checking color_quant v1.0.1
Dec 01 19:45:21.970 INFO [stderr]     Checking rand_core v0.2.1
Dec 01 19:45:22.154 INFO [stderr]     Checking scoped_threadpool v0.1.9
Dec 01 19:45:22.705 INFO [stderr]     Checking slog v2.3.2
Dec 01 19:45:22.825 INFO [stderr]     Checking take_mut v0.2.2
Dec 01 19:45:23.629 INFO [stderr]     Checking arrayvec v0.4.7
Dec 01 19:45:23.762 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 01 19:45:24.758 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 01 19:45:24.970 INFO [stderr]     Checking term v0.5.1
Dec 01 19:45:25.345 INFO [stderr]     Checking num_cpus v1.8.0
Dec 01 19:45:25.542 INFO [stderr]     Checking time v0.1.40
Dec 01 19:45:26.421 INFO [stderr]     Checking isatty v0.1.8
Dec 01 19:45:26.454 INFO [stderr]     Checking memmap v0.6.2
Dec 01 19:45:28.514 INFO [stderr]     Checking unreachable v1.0.0
Dec 01 19:45:28.918 INFO [stderr]     Checking deflate v0.7.18
Dec 01 19:45:29.052 INFO [stderr]     Checking inflate v0.4.3
Dec 01 19:45:29.477 INFO [stderr]     Checking gif v0.10.0
Dec 01 19:45:29.594 INFO [stderr]     Checking rand v0.5.4
Dec 01 19:45:30.226 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 01 19:45:35.518 INFO [stderr]     Checking thread_local v0.3.5
Dec 01 19:45:35.770 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 01 19:45:39.321 INFO [stderr]     Checking slog-async v2.3.0
Dec 01 19:45:50.087 INFO [stderr]     Checking streaming-stats v0.2.0
Dec 01 19:45:53.727 INFO [stderr]     Checking num-rational v0.1.42
Dec 01 19:45:53.729 INFO [stderr]     Checking chrono v0.4.5
Dec 01 19:45:55.078 INFO [stderr]     Checking png v0.12.0
Dec 01 19:46:08.312 INFO [stderr]     Checking slog-term v2.4.0
Dec 01 19:46:12.001 INFO [stderr]    Compiling quote v0.6.4
Dec 01 19:46:12.644 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 01 19:46:17.450 INFO [stderr]    Compiling syn v0.14.5
Dec 01 19:46:18.764 INFO [stderr]     Checking bincode v1.0.1
Dec 01 19:46:48.500 INFO [stderr]    Compiling num-derive v0.2.2
Dec 01 19:46:55.717 INFO [stderr]     Checking image v0.19.0
Dec 01 19:47:00.489 INFO [stderr]  Documenting neural_net v0.1.0 (/source)
Dec 01 19:47:01.936 INFO [stderr] error[E0635]: unknown feature `exact_chunks`
Dec 01 19:47:01.936 INFO [stderr]  --> src/lib.rs:5:5
Dec 01 19:47:01.936 INFO [stderr]   |
Dec 01 19:47:01.936 INFO [stderr] 5 |     exact_chunks
Dec 01 19:47:01.936 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 01 19:47:01.936 INFO [stderr] 
Dec 01 19:47:01.939 INFO [stderr] error: Compilation failed, aborting rustdoc
Dec 01 19:47:01.940 INFO [stderr] 
Dec 01 19:47:01.961 INFO [stderr] error: Could not document `neural_net`.
Dec 01 19:47:01.961 INFO [stderr] 
Dec 01 19:47:01.961 INFO [stderr] Caused by:
Dec 01 19:47:01.961 INFO [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-name neural_net src/lib.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern bincode=/target/debug/deps/libbincode-aec237d8cd9d950f.rmeta --extern byteorder=/target/debug/deps/libbyteorder-78504b2bb6afec0b.rmeta --extern image=/target/debug/deps/libimage-67ce443433c5de59.rmeta --extern lazy_static=/target/debug/deps/liblazy_static-252a750224376d75.rmeta --extern memmap=/target/debug/deps/libmemmap-4742807d5ee30d34.rmeta --extern rand=/target/debug/deps/librand-e584fb4fa6388b07.rmeta --extern rayon=/target/debug/deps/librayon-ebad5495f09eb36a.rmeta --extern slog=/target/debug/deps/libslog-feb14efaa47040f3.rmeta --extern slog_async=/target/debug/deps/libslog_async-8c2ad971eaf2efc7.rmeta --extern slog_term=/target/debug/deps/libslog_term-5ecd9c4fd94ed3aa.rmeta --extern stats=/target/debug/deps/libstats-ac93c46d74f7254a.rmeta --cap-lints=forbid` (exit code: 1)
Dec 01 19:47:01.964 INFO [stderr] su: No module specific data is present
Dec 01 19:47:02.206 INFO running `"docker" "inspect" "3d2e0d4c5c1365737f031640d95c8d3f386961f5abba4a1d113ee204cbb93044"`
Dec 01 19:47:02.302 INFO running `"docker" "rm" "-f" "3d2e0d4c5c1365737f031640d95c8d3f386961f5abba4a1d113ee204cbb93044"`
Dec 01 19:47:02.420 INFO [stdout] 3d2e0d4c5c1365737f031640d95c8d3f386961f5abba4a1d113ee204cbb93044