[INFO] cloning repository https://github.com/jkcclemens/lodestone_news
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/lodestone_news" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flodestone_news", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flodestone_news'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32e584335a2c3e6a1804ba6f363f624bf06e7430
[INFO] documenting jkcclemens/lodestone_news against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flodestone_news" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/lodestone_news 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 git repo https://github.com/jkcclemens/lodestone_news
[INFO] finished tweaking git repo https://github.com/jkcclemens/lodestone_news
[INFO] tweaked toml for git repo https://github.com/jkcclemens/lodestone_news written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/lodestone_news already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cssparser-macros v0.3.5
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded ctrlc v3.1.3
[INFO] [stderr]   Downloaded ansi_term v0.12.0
[INFO] [stderr]   Downloaded scraper v0.10.1
[INFO] [stderr]   Downloaded cssparser v0.25.8
[INFO] [stderr]   Downloaded ego-tree v0.6.0
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded libsqlite3-sys v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] dd33717a1c0b084bfb55ab2fd611ef152493b95519aa9594b6dfa6f216633dd0
[INFO] running `Command { std: "docker" "start" "-a" "dd33717a1c0b084bfb55ab2fd611ef152493b95519aa9594b6dfa6f216633dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd33717a1c0b084bfb55ab2fd611ef152493b95519aa9594b6dfa6f216633dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd33717a1c0b084bfb55ab2fd611ef152493b95519aa9594b6dfa6f216633dd0", kill_on_drop: false }`
[INFO] [stdout] dd33717a1c0b084bfb55ab2fd611ef152493b95519aa9594b6dfa6f216633dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 6f4bf5d79c23470b37bb1bba154dd0cf2746705ad011d00f02449af3f811f383
[INFO] running `Command { std: "docker" "start" "-a" "6f4bf5d79c23470b37bb1bba154dd0cf2746705ad011d00f02449af3f811f383", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.11
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[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking arc-swap v0.4.1
[INFO] [stderr]     Checking ego-tree v0.6.0
[INFO] [stderr]     Checking ansi_term v0.12.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking crossbeam-queue v0.1.2
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[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tendril v0.4.1
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[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]     Checking mio v0.6.19
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[INFO] [stderr]     Checking string v0.2.1
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[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling cssparser v0.25.8
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking scraper v0.10.1
[INFO] [stderr]  Documenting lodestone_news v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[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 `lodestone_news`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lodestone_news src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-7f79e88d8acefc93.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-5c1bf692338e4ee8.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-8b03129d1ec4fffc.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-7bf9a7f583ba2c74.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-e2a91354ba1d293d.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-1d6aa1a007ae770a.rmeta --extern ego_tree=/opt/rustwide/target/debug/deps/libego_tree-be8dc77fcb8aa9e6.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-4437cedc7d52de9d.rmeta --extern fern=/opt/rustwide/target/debug/deps/libfern-19bf9400bf981e4a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1365f5b6146107f1.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-22238e5802344587.rmeta --extern scraper=/opt/rustwide/target/debug/deps/libscraper-d4d7a1a40e4818a4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2c3795181a947f39.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-77464f9fc339d870.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-39f21cc7f1bdcb4b.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-38e043676d0cfc65.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6f4bf5d79c23470b37bb1bba154dd0cf2746705ad011d00f02449af3f811f383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4bf5d79c23470b37bb1bba154dd0cf2746705ad011d00f02449af3f811f383", kill_on_drop: false }`
[INFO] [stdout] 6f4bf5d79c23470b37bb1bba154dd0cf2746705ad011d00f02449af3f811f383
