[INFO] fetching crate fart-cli 0.4.0...
[INFO] documenting fart-cli-0.4.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate fart-cli 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fart-cli 0.4.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-1-tc1/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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.8
[INFO] [stderr]   Downloaded quickcheck v0.9.0
[INFO] [stderr]   Downloaded structopt v0.3.5
[INFO] [stderr]   Downloaded http-service-hyper v0.4.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.5
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-executor v0.1.9
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded once_cell v1.2.0
[INFO] [stderr]   Downloaded data-encoding v2.1.2
[INFO] [stderr]   Downloaded async-task v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.2
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.17
[INFO] [stderr]   Downloaded tokio-timer v0.2.12
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded notify v4.0.14
[INFO] [stderr]   Downloaded http-service v0.4.0
[INFO] [stderr]   Downloaded lock_api v0.3.2
[INFO] [stderr]   Downloaded tokio-reactor v0.1.11
[INFO] [stderr]   Downloaded serde_qs v0.5.2
[INFO] [stderr]   Downloaded broadcaster v0.2.6
[INFO] [stderr]   Downloaded tide v0.4.0
[INFO] [stderr]   Downloaded async-std v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abba22dde9a7ae24ffebc721763ece7733078b9612e94b2c782542ae2e0f3d6a
[INFO] running `Command { std: "docker" "start" "-a" "abba22dde9a7ae24ffebc721763ece7733078b9612e94b2c782542ae2e0f3d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abba22dde9a7ae24ffebc721763ece7733078b9612e94b2c782542ae2e0f3d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abba22dde9a7ae24ffebc721763ece7733078b9612e94b2c782542ae2e0f3d6a", kill_on_drop: false }`
[INFO] [stdout] abba22dde9a7ae24ffebc721763ece7733078b9612e94b2c782542ae2e0f3d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b7b1e27dd987ce9970c00cdb3f559fb380b6de065005e512ecf8d7f598dc97
[INFO] running `Command { std: "docker" "start" "-a" "e8b7b1e27dd987ce9970c00cdb3f559fb380b6de065005e512ecf8d7f598dc97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[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
[INFO] [stderr]     Checking http-service-hyper v0.4.1
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.44
[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 stable 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 1 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: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/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=8e32e92263b07ede -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c2075f5a6f4fff94.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-6048fc14877eb186.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-3dbb0b0c4e4205a6.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-d37ceb84313951a3.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-99af47b97f1b4a18.rmeta --extern http_service=/opt/rustwide/target/debug/deps/libhttp_service-d17871213043fca4.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-bf178f3c7be995b4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-20e4800a67b7e1a5.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-99086d1afde3a6e4.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-518e816a35872ee3.rmeta --extern tide=/opt/rustwide/target/debug/deps/libtide-37add268db3975f5.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e8b7b1e27dd987ce9970c00cdb3f559fb380b6de065005e512ecf8d7f598dc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b7b1e27dd987ce9970c00cdb3f559fb380b6de065005e512ecf8d7f598dc97", kill_on_drop: false }`
[INFO] [stdout] e8b7b1e27dd987ce9970c00cdb3f559fb380b6de065005e512ecf8d7f598dc97
[INFO] documenting fart-cli-0.4.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate fart-cli 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate fart-cli 0.4.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-1-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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee9ec448d1aae5e72f83597c8c1129d7a5e6b4ef7094551a3ab6ba1a3f8a279f
[INFO] running `Command { std: "docker" "start" "-a" "ee9ec448d1aae5e72f83597c8c1129d7a5e6b4ef7094551a3ab6ba1a3f8a279f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee9ec448d1aae5e72f83597c8c1129d7a5e6b4ef7094551a3ab6ba1a3f8a279f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9ec448d1aae5e72f83597c8c1129d7a5e6b4ef7094551a3ab6ba1a3f8a279f", kill_on_drop: false }`
[INFO] [stdout] ee9ec448d1aae5e72f83597c8c1129d7a5e6b4ef7094551a3ab6ba1a3f8a279f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a59bef35cd15d292f37f64d0968f36971b090f237ea7e0b6b407be00f6e3bc
[INFO] running `Command { std: "docker" "start" "-a" "d0a59bef35cd15d292f37f64d0968f36971b090f237ea7e0b6b407be00f6e3bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[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
[INFO] [stderr]     Checking http-service-hyper v0.4.1
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.44
[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 1 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: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/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=2d06a1c02dc687b6 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-31141b977c8549a0.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c1a20bd52f0dad60.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4d49afbbbd09ec67.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-099a3f6aba9080f9.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-2e3139a27de712b1.rmeta --extern http_service=/opt/rustwide/target/debug/deps/libhttp_service-a86b0f0c306f2fce.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-328478c484bf5aeb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5099cf8f1c44a782.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-702b0b72fbf3d02d.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-aa9fe536ff8286a9.rmeta --extern tide=/opt/rustwide/target/debug/deps/libtide-a35f26438cf920e9.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d0a59bef35cd15d292f37f64d0968f36971b090f237ea7e0b6b407be00f6e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a59bef35cd15d292f37f64d0968f36971b090f237ea7e0b6b407be00f6e3bc", kill_on_drop: false }`
[INFO] [stdout] d0a59bef35cd15d292f37f64d0968f36971b090f237ea7e0b6b407be00f6e3bc
