[INFO] fetching crate arrav 0.2.0...
[INFO] testing arrav-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate arrav 0.2.0 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate arrav 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9deac3859ba3ba3c214ac07509c2cbe77e7243054b56d373618ee873354568a8
[INFO] running `Command { std: "docker" "start" "-a" "9deac3859ba3ba3c214ac07509c2cbe77e7243054b56d373618ee873354568a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9deac3859ba3ba3c214ac07509c2cbe77e7243054b56d373618ee873354568a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9deac3859ba3ba3c214ac07509c2cbe77e7243054b56d373618ee873354568a8", kill_on_drop: false }`
[INFO] [stdout] 9deac3859ba3ba3c214ac07509c2cbe77e7243054b56d373618ee873354568a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff8c4f99678653135ab789613c885a02da840e28bbbbac6f26574b973887130
[INFO] running `Command { std: "docker" "start" "-a" "3ff8c4f99678653135ab789613c885a02da840e28bbbbac6f26574b973887130", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrav v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     const_fn,
[INFO] [stdout]    |     ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]    --> src/lib.rs:102:27
[INFO] [stdout]     |
[INFO] [stdout] 102 | #![warn(rust_2018_idioms, intra_doc_link_resolution_failure)]
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]    = help: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable
[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: aborting due to 36 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arrav` due to 37 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3ff8c4f99678653135ab789613c885a02da840e28bbbbac6f26574b973887130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff8c4f99678653135ab789613c885a02da840e28bbbbac6f26574b973887130", kill_on_drop: false }`
[INFO] [stdout] 3ff8c4f99678653135ab789613c885a02da840e28bbbbac6f26574b973887130
