[INFO] fetching crate exotic 0.1.3...
[INFO] documenting exotic-0.1.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate exotic 0.1.3 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate exotic 0.1.3 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 exotic 0.1.3
[INFO] finished tweaking crates.io crate exotic 0.1.3
[INFO] tweaked toml for crates.io crate exotic 0.1.3 written to /workspace/builds/worker-45/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 91f83a08e7d10edb93308b0a507d5247502cd14d27487fb9d57efd92f960bf3c
[INFO] running `Command { std: "docker" "start" "-a" "91f83a08e7d10edb93308b0a507d5247502cd14d27487fb9d57efd92f960bf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f83a08e7d10edb93308b0a507d5247502cd14d27487fb9d57efd92f960bf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f83a08e7d10edb93308b0a507d5247502cd14d27487fb9d57efd92f960bf3c", kill_on_drop: false }`
[INFO] [stdout] 91f83a08e7d10edb93308b0a507d5247502cd14d27487fb9d57efd92f960bf3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6ce5cfde05ca50a4f51179360e6f47f466d4b2364f9b3b41d7e61bf2d95c3b5
[INFO] running `Command { std: "docker" "start" "-a" "e6ce5cfde05ca50a4f51179360e6f47f466d4b2364f9b3b41d7e61bf2d95c3b5", kill_on_drop: false }`
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking rustfft v5.1.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking realfft v1.1.0
[INFO] [stderr]  Documenting exotic v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_generics)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `exotic`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name exotic src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e0c590a61c268547.rmeta --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-4dddeb631c39541b.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-178653ed62b0d004.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0641e1ef7f6ae318.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-756e1951894ef531.rmeta --extern realfft=/opt/rustwide/target/debug/deps/librealfft-64b927c1d300ab56.rmeta --extern rustfft=/opt/rustwide/target/debug/deps/librustfft-79117a596ffba879.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e6ce5cfde05ca50a4f51179360e6f47f466d4b2364f9b3b41d7e61bf2d95c3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ce5cfde05ca50a4f51179360e6f47f466d4b2364f9b3b41d7e61bf2d95c3b5", kill_on_drop: false }`
[INFO] [stdout] e6ce5cfde05ca50a4f51179360e6f47f466d4b2364f9b3b41d7e61bf2d95c3b5
