[INFO] fetching crate emoji-crafter 0.1.2...
[INFO] documenting emoji-crafter-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate emoji-crafter 0.1.2 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate emoji-crafter 0.1.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emoji-crafter 0.1.2
[INFO] finished tweaking crates.io crate emoji-crafter 0.1.2
[INFO] tweaked toml for crates.io crate emoji-crafter 0.1.2 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate emoji-crafter 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e22ae52665e1e5d400e4e6c70af019e9b9a9e31c5e28f3dc89fd742cd7345a9c
[INFO] running `Command { std: "docker" "start" "-a" "e22ae52665e1e5d400e4e6c70af019e9b9a9e31c5e28f3dc89fd742cd7345a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e22ae52665e1e5d400e4e6c70af019e9b9a9e31c5e28f3dc89fd742cd7345a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22ae52665e1e5d400e4e6c70af019e9b9a9e31c5e28f3dc89fd742cd7345a9c", kill_on_drop: false }`
[INFO] [stdout] e22ae52665e1e5d400e4e6c70af019e9b9a9e31c5e28f3dc89fd742cd7345a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc8dd6113a3bf9d5741ab13ef3c283785d1c26a683155cf071b54215df90394
[INFO] running `Command { std: "docker" "start" "-a" "4bc8dd6113a3bf9d5741ab13ef3c283785d1c26a683155cf071b54215df90394", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-script v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking matches v0.1.9
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[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.6
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[INFO] [stderr]     Checking color_quant v1.1.0
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking svgtypes v0.8.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking safe_arch v0.5.2
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[INFO] [stderr]     Checking data-url v0.1.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking roxmltree v0.14.1
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[INFO] [stderr]    Compiling libwebp-sys2 v0.1.2
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[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking webp-animation v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rustybuzz v0.4.0
[INFO] [stderr]     Checking tiny-skia v0.6.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]     Checking usvg v0.18.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking resvg v0.18.0
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking clearscreen v1.0.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking emoji-crafter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting emoji-crafter 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(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `emoji-crafter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name emoji_crafter src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=137381f47c689ac5 -L dependency=/opt/rustwide/target/debug/deps --extern clearscreen=/opt/rustwide/target/debug/deps/libclearscreen-225d286cdcac7dbb.rmeta --extern gif=/opt/rustwide/target/debug/deps/libgif-6d0b6b15a8435299.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-89c2a4b0c3e01908.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-e5f0979263a81626.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-c909e60238a46eab.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-68f27a40f6308c00.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c585e0e5c2395225.rmeta --extern resvg=/opt/rustwide/target/debug/deps/libresvg-4c0a96c6e56cc731.rmeta --extern roxmltree=/opt/rustwide/target/debug/deps/libroxmltree-867a8e04e2c846f6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7de84c27cb9073aa.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-50142a954667cbcb.rmeta --extern tiny_skia=/opt/rustwide/target/debug/deps/libtiny_skia-d771fb66ceebb4b4.rmeta --extern tinytemplate=/opt/rustwide/target/debug/deps/libtinytemplate-cf33094cfc3c4b71.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-1fab5b6fa69ca026.rmeta --extern usvg=/opt/rustwide/target/debug/deps/libusvg-b57209e1784451bd.rmeta --extern webp_animation=/opt/rustwide/target/debug/deps/libwebp_animation-361fc3317235f371.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 compile `emoji-crafter` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4bc8dd6113a3bf9d5741ab13ef3c283785d1c26a683155cf071b54215df90394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc8dd6113a3bf9d5741ab13ef3c283785d1c26a683155cf071b54215df90394", kill_on_drop: false }`
[INFO] [stdout] 4bc8dd6113a3bf9d5741ab13ef3c283785d1c26a683155cf071b54215df90394