[INFO] fetching crate arrav 0.2.0...
[INFO] documenting arrav-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate arrav 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arrav 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arrav 0.2.0
[INFO] finished tweaking crates.io crate arrav 0.2.0
[INFO] tweaked toml for crates.io crate arrav 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a782a6ed5aa466d5c26bbc94ace35b71afda9f97410ce8fd0acd7eb600f987f7
[INFO] running `Command { std: "docker" "start" "-a" "a782a6ed5aa466d5c26bbc94ace35b71afda9f97410ce8fd0acd7eb600f987f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a782a6ed5aa466d5c26bbc94ace35b71afda9f97410ce8fd0acd7eb600f987f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a782a6ed5aa466d5c26bbc94ace35b71afda9f97410ce8fd0acd7eb600f987f7", kill_on_drop: false }`
[INFO] [stdout] a782a6ed5aa466d5c26bbc94ace35b71afda9f97410ce8fd0acd7eb600f987f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 901ff2e06c21c3656256ae5c9964b9e4b8a077fdeb45120136b3984a3e888d81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "901ff2e06c21c3656256ae5c9964b9e4b8a077fdeb45120136b3984a3e888d81", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting arrav v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `broken_intra_doc_links`
[INFO] [stdout]    --> src/lib.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 | #![warn(rust_2018_idioms, intra_doc_link_resolution_failure)]
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `broken_intra_doc_links`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/iter.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/iter.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/iter.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/iter.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/iter.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]   --> src/traits.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:110:27
[INFO] [stdout]     |
[INFO] [stdout] 110 |     [T; N1]: core::array::LengthAtMost32,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:111:27
[INFO] [stdout]     |
[INFO] [stdout] 111 |     [T; N2]: core::array::LengthAtMost32,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:128:26
[INFO] [stdout]     |
[INFO] [stdout] 128 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 135 |     [T; N1]: core::array::LengthAtMost32,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:136:27
[INFO] [stdout]     |
[INFO] [stdout] 136 |     [T; N2]: core::array::LengthAtMost32,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:146:26
[INFO] [stdout]     |
[INFO] [stdout] 146 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/traits.rs:202:26
[INFO] [stdout]     |
[INFO] [stdout] 202 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:188:26
[INFO] [stdout]     |
[INFO] [stdout] 188 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:204:26
[INFO] [stdout]     |
[INFO] [stdout] 204 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:260:26
[INFO] [stdout]     |
[INFO] [stdout] 260 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:278:26
[INFO] [stdout]     |
[INFO] [stdout] 278 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:362:26
[INFO] [stdout]     |
[INFO] [stdout] 362 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:431:26
[INFO] [stdout]     |
[INFO] [stdout] 431 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:558:31
[INFO] [stdout]     |
[INFO] [stdout] 558 |         [T; N2]: core::array::LengthAtMost32,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:752:26
[INFO] [stdout]     |
[INFO] [stdout] 752 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:822:26
[INFO] [stdout]     |
[INFO] [stdout] 822 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]    --> src/lib.rs:843:26
[INFO] [stdout]     |
[INFO] [stdout] 843 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | / #![feature(
[INFO] [stdout] 92 | |     const_generics,
[INFO] [stdout] 93 | |     const_generic_impls_guard,
[INFO] [stdout] 94 | |     const_fn,
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |     slice_index_methods
[INFO] [stdout] 98 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:99:41
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "specialization", feature(min_specialization))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 36 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `arrav`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name arrav src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="specialization"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.2.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "901ff2e06c21c3656256ae5c9964b9e4b8a077fdeb45120136b3984a3e888d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901ff2e06c21c3656256ae5c9964b9e4b8a077fdeb45120136b3984a3e888d81", kill_on_drop: false }`
[INFO] [stdout] 901ff2e06c21c3656256ae5c9964b9e4b8a077fdeb45120136b3984a3e888d81
