[INFO] cloning repository https://github.com/kgtkr/zero-dl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/zero-dl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fzero-dl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fzero-dl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97fc00fb1fe627e92a4675831bd536acbc9c239b
[INFO] documenting kgtkr/zero-dl against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fzero-dl" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgtkr/zero-dl on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kgtkr/zero-dl
[INFO] finished tweaking git repo https://github.com/kgtkr/zero-dl
[INFO] tweaked toml for git repo https://github.com/kgtkr/zero-dl written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kgtkr/zero-dl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/kgtkr/frunk-labelled-proc-macro.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noisy_float v0.1.12
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] [stderr]   Downloaded frunk_proc_macro_helpers v0.0.4
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded frunk_core v0.3.1
[INFO] [stderr]   Downloaded frunk_derives v0.3.1
[INFO] [stderr]   Downloaded frunk v0.3.1
[INFO] [stderr]   Downloaded frunk_proc_macros_impl v0.0.4
[INFO] [stderr]   Downloaded frunk_proc_macros v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca4582ba92a92d12ff4284aa3ca492df8c3dacc460b5b0f995844cb19c7e5109
[INFO] running `Command { std: "docker" "start" "-a" "ca4582ba92a92d12ff4284aa3ca492df8c3dacc460b5b0f995844cb19c7e5109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4582ba92a92d12ff4284aa3ca492df8c3dacc460b5b0f995844cb19c7e5109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4582ba92a92d12ff4284aa3ca492df8c3dacc460b5b0f995844cb19c7e5109", kill_on_drop: false }`
[INFO] [stdout] ca4582ba92a92d12ff4284aa3ca492df8c3dacc460b5b0f995844cb19c7e5109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735d26f7c81f33a01154c087db0c704b047b7563641ff202fc9658a83cde3a2a
[INFO] running `Command { std: "docker" "start" "-a" "735d26f7c81f33a01154c087db0c704b047b7563641ff202fc9658a83cde3a2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling frunk_core v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking noisy_float v0.1.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.0.4
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.0.4
[INFO] [stderr]    Compiling frunk_derives v0.3.1
[INFO] [stderr]    Compiling frunk_labelled_proc_macro v0.1.0 (https://github.com/kgtkr/frunk-labelled-proc-macro.git#2f2f89a2)
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking frunk_proc_macros v0.0.4
[INFO] [stderr]     Checking frunk v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking ndarray-stats v0.3.0
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking zero-dl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting zero-dl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/affine.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Hlist`, `field`, `hlist`
[INFO] [stdout]  --> src/layers/affine.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frunk::{field, hlist, HNil, Hlist};
[INFO] [stdout]   |             ^^^^^  ^^^^^        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/variable.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/placeholder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/relu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/softmax_cross_entropy.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/layers/softmax_cross_entropy.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         /**
[INFO] [stdout] 25 | |          * TODO: doutが1の時しか正常に動かない
[INFO] [stdout] 26 | |          * またdtは正常な値でない
[INFO] [stdout] 27 | |          */
[INFO] [stdout]    | |___________^
[INFO] [stdout] 28 | /         (
[INFO] [stdout] 29 | |             record! {
[INFO] [stdout] 30 | |                 x: dx,
[INFO] [stdout] 31 | |                 t: Array2::zeros((0,0))
[INFO] [stdout] 32 | |             },
[INFO] [stdout] 33 | |             HNil,
[INFO] [stdout] 34 | |         )
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/convolution.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/pooling.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frunk::traits::ToMut`
[INFO] [stdout]  --> src/layers/n_dim_to_2dim.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use frunk::traits::ToMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `zero-dl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name zero_dl src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2306fd587108bcca -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-8536cdf8cfbc6850.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-0ab928dc9da794fe.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-5ff386b6667fb099.rmeta --extern frunk=/opt/rustwide/target/debug/deps/libfrunk-b2ac26806872769f.rmeta --extern frunk_core=/opt/rustwide/target/debug/deps/libfrunk_core-a58b3c270b765e28.rmeta --extern frunk_labelled_proc_macro=/opt/rustwide/target/debug/deps/libfrunk_labelled_proc_macro-37cd17ac6227d78b.so --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-43c597fd32065994.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-0179699a30ddc611.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-342f521b7d10ee08.rmeta --extern plotlib=/opt/rustwide/target/debug/deps/libplotlib-43c1958c216cd0d4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a071613c1982bcb8.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-752676769e8c61a1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7be1c2f774878e2a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Split`
[INFO] [stdout]  --> src/layer.rs:1:82
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::hlist_extra::{Concat, ConcatIsInverseSplit, ConcatToMutIsToMutConcat, Split};
[INFO] [stdout]   |                                                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConcatToMutIsToMutConcat`
[INFO] [stdout]  --> src/layer.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::hlist_extra::{Concat, ConcatIsInverseSplit, ConcatToMutIsToMutConcat, Split};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero-dl` due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "735d26f7c81f33a01154c087db0c704b047b7563641ff202fc9658a83cde3a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735d26f7c81f33a01154c087db0c704b047b7563641ff202fc9658a83cde3a2a", kill_on_drop: false }`
[INFO] [stdout] 735d26f7c81f33a01154c087db0c704b047b7563641ff202fc9658a83cde3a2a
