[INFO] fetching crate fuzzytags 0.5.0...
[INFO] documenting fuzzytags-0.5.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate fuzzytags 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fuzzytags 0.5.0 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 fuzzytags 0.5.0
[INFO] finished tweaking crates.io crate fuzzytags 0.5.0
[INFO] tweaked toml for crates.io crate fuzzytags 0.5.0 written to /workspace/builds/worker-10/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2c1f1ee42c363f145dd00445560865071cf764459e9f9883bb942b599195dc3b
[INFO] running `Command { std: "docker" "start" "-a" "2c1f1ee42c363f145dd00445560865071cf764459e9f9883bb942b599195dc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1f1ee42c363f145dd00445560865071cf764459e9f9883bb942b599195dc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1f1ee42c363f145dd00445560865071cf764459e9f9883bb942b599195dc3b", kill_on_drop: false }`
[INFO] [stdout] 2c1f1ee42c363f145dd00445560865071cf764459e9f9883bb942b599195dc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b1f2ff73d0d8682397ee2f8ad51adeb3cffcc830b7fb684c4c9da7e0acb80238
[INFO] running `Command { std: "docker" "start" "-a" "b1f2ff73d0d8682397ee2f8ad51adeb3cffcc830b7fb684c4c9da7e0acb80238", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking subtle-ng v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking curve25519-dalek-ng v4.0.1
[INFO] [stderr]  Documenting fuzzytags v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(external_doc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[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(external_doc)]
[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] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fuzzytags`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fuzzytags 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 bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-fd1c1cc7b172ecfb.rmeta --extern curve25519_dalek=/opt/rustwide/target/debug/deps/libcurve25519_dalek_ng-9b1a3918ef1f46bc.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-3303e62dbe377562.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0641e1ef7f6ae318.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-34e9de95e96ef730.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-999d402033338fe1.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-5e9ceee3312de4b5.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b1f2ff73d0d8682397ee2f8ad51adeb3cffcc830b7fb684c4c9da7e0acb80238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f2ff73d0d8682397ee2f8ad51adeb3cffcc830b7fb684c4c9da7e0acb80238", kill_on_drop: false }`
[INFO] [stdout] b1f2ff73d0d8682397ee2f8ad51adeb3cffcc830b7fb684c4c9da7e0acb80238
