[INFO] fetching crate hexagon 0.1.2...
[INFO] documenting hexagon-0.1.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate hexagon 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate hexagon 0.1.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexagon 0.1.2
[INFO] finished tweaking crates.io crate hexagon 0.1.2
[INFO] tweaked toml for crates.io crate hexagon 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05280d1f5cf8e731a9d854e920dc4198aa041daa230bac35ed0fb08769e18739
[INFO] running `Command { std: "docker" "start" "-a" "05280d1f5cf8e731a9d854e920dc4198aa041daa230bac35ed0fb08769e18739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05280d1f5cf8e731a9d854e920dc4198aa041daa230bac35ed0fb08769e18739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05280d1f5cf8e731a9d854e920dc4198aa041daa230bac35ed0fb08769e18739", kill_on_drop: false }`
[INFO] [stdout] 05280d1f5cf8e731a9d854e920dc4198aa041daa230bac35ed0fb08769e18739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7fc8a5f813baa35330f6eacab8754d9deb0796be94b776235f1e0029e586114
[INFO] running `Command { std: "docker" "start" "-a" "e7fc8a5f813baa35330f6eacab8754d9deb0796be94b776235f1e0029e586114", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]  Documenting hexagon v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `nll` has been stable since `1.63.0` 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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `hexagon`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name hexagon src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a7892f0a3b5dab20 -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-9e540ca65659f9f8.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-21d0a7105b7fc30b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-70dc2ac3a96c5472.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-34ae4ff005da558f.so --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-7e4a8dfb0e8b845f.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e7fc8a5f813baa35330f6eacab8754d9deb0796be94b776235f1e0029e586114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fc8a5f813baa35330f6eacab8754d9deb0796be94b776235f1e0029e586114", kill_on_drop: false }`
[INFO] [stdout] e7fc8a5f813baa35330f6eacab8754d9deb0796be94b776235f1e0029e586114
