[INFO] fetching crate fuzzytags 0.5.0...
[INFO] documenting fuzzytags-0.5.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate fuzzytags 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fuzzytags 0.5.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle-ng v2.4.1
[INFO] [stderr]   Downloaded brute-force v0.2.0
[INFO] [stderr]   Downloaded curve25519-dalek-ng v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b180efbe40f582da2f91d02fbc18ebb88d5321076d0907e7429e57363fd5437f
[INFO] running `Command { std: "docker" "start" "-a" "b180efbe40f582da2f91d02fbc18ebb88d5321076d0907e7429e57363fd5437f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b180efbe40f582da2f91d02fbc18ebb88d5321076d0907e7429e57363fd5437f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b180efbe40f582da2f91d02fbc18ebb88d5321076d0907e7429e57363fd5437f", kill_on_drop: false }`
[INFO] [stdout] b180efbe40f582da2f91d02fbc18ebb88d5321076d0907e7429e57363fd5437f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da5b1ecba85c623fdb29a3dbcc6889a3838b0e615a3038f55e00577ea6c02f5c
[INFO] running `Command { std: "docker" "start" "-a" "da5b1ecba85c623fdb29a3dbcc6889a3838b0e615a3038f55e00577ea6c02f5c", 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]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking subtle-ng v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[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 sha3 v0.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking curve25519-dalek-ng v4.0.1
[INFO] [stderr]     Checking rand v0.8.4
[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 stable 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-24e5176f834dcf11.rmeta --extern curve25519_dalek=/opt/rustwide/target/debug/deps/libcurve25519_dalek_ng-2229a9c224af538f.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-4e132399b961d086.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-4542bb366682d4a6.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-470277536ca74700.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2e2aa03d07255382.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-d8758a925ad0f312.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "da5b1ecba85c623fdb29a3dbcc6889a3838b0e615a3038f55e00577ea6c02f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5b1ecba85c623fdb29a3dbcc6889a3838b0e615a3038f55e00577ea6c02f5c", kill_on_drop: false }`
[INFO] [stdout] da5b1ecba85c623fdb29a3dbcc6889a3838b0e615a3038f55e00577ea6c02f5c
