[INFO] fetching crate fart-cli 0.4.0...
[INFO] documenting fart-cli-0.4.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate fart-cli 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate fart-cli 0.4.0 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 fart-cli 0.4.0
[INFO] finished tweaking crates.io crate fart-cli 0.4.0
[INFO] tweaked toml for crates.io crate fart-cli 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate fart-cli 0.4.0 already has a lockfile, it will not be regenerated
[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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b89c625c189a988262f12b4d36bc301fd180b1bd9272be92157d48459fb7d266
[INFO] running `Command { std: "docker" "start" "-a" "b89c625c189a988262f12b4d36bc301fd180b1bd9272be92157d48459fb7d266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89c625c189a988262f12b4d36bc301fd180b1bd9272be92157d48459fb7d266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89c625c189a988262f12b4d36bc301fd180b1bd9272be92157d48459fb7d266", kill_on_drop: false }`
[INFO] [stdout] b89c625c189a988262f12b4d36bc301fd180b1bd9272be92157d48459fb7d266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dbc49f4617def4c4c8181326ded4e792276cec2f3a72a4bac04856072b21b348", kill_on_drop: false }`
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[INFO] [stderr]     Checking failure v0.1.6
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[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking http-service v0.4.0
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[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking tide v0.4.0
[INFO] [stderr]  Documenting fart-cli v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fart-cli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name fart src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=02555e870f60d049 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-1fc9892814907009.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-397123641919bdf2.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a79870080da850a4.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-bb38b2bccdba2bd4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-bce623b303b54a9c.rmeta --extern http_service=/opt/rustwide/target/debug/deps/libhttp_service-ecea5c65071d4d60.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-ab081a04b1ccd14d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9533d450926da62e.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c88d3a41676525b1.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-c447d25bead675fc.rmeta --extern tide=/opt/rustwide/target/debug/deps/libtide-19dd4cf056560bed.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dbc49f4617def4c4c8181326ded4e792276cec2f3a72a4bac04856072b21b348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc49f4617def4c4c8181326ded4e792276cec2f3a72a4bac04856072b21b348", kill_on_drop: false }`
[INFO] [stdout] dbc49f4617def4c4c8181326ded4e792276cec2f3a72a4bac04856072b21b348
