[INFO] cloning repository https://github.com/covercash2/ultron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/covercash2/ultron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcovercash2%2Fultron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcovercash2%2Fultron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c268dd5c978a80c17ac320a61c8f3d07103f5c
[INFO] documenting covercash2/ultron 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%2Fcovercash2%2Fultron" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/covercash2/ultron 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/covercash2/ultron
[INFO] finished tweaking git repo https://github.com/covercash2/ultron
[INFO] tweaked toml for git repo https://github.com/covercash2/ultron written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/covercash2/ultron 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]     Updating git repository `https://github.com/diesel-rs/diesel`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fnv v1.0.7
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[INFO] [stderr]   Downloaded encoding_rs v0.8.26
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[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.2
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.0
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded net2 v0.2.35
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[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded tokio-util v0.3.1
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[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded httparse v1.3.4
[INFO] [stderr]   Downloaded libc v0.2.80
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[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
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[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded utf-8 v0.7.5
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[INFO] [stderr]   Downloaded base64 v0.12.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 241181be12fa4f133956ba5a4a55e781461ef6775db838efc0040f408bf6322b
[INFO] running `Command { std: "docker" "start" "-a" "241181be12fa4f133956ba5a4a55e781461ef6775db838efc0040f408bf6322b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241181be12fa4f133956ba5a4a55e781461ef6775db838efc0040f408bf6322b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241181be12fa4f133956ba5a4a55e781461ef6775db838efc0040f408bf6322b", kill_on_drop: false }`
[INFO] [stdout] 241181be12fa4f133956ba5a4a55e781461ef6775db838efc0040f408bf6322b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cd5f1634ae7b9b967b242321f7e9afc487c2299d622ee750e5c20470610033b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd5f1634ae7b9b967b242321f7e9afc487c2299d622ee750e5c20470610033b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling hyperx v1.2.0
[INFO] [stderr]    Compiling serenity v0.9.3
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling diesel_derives v2.0.0 (https://github.com/diesel-rs/diesel#6346b296)
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking jsonwebtoken v7.2.0
[INFO] [stderr]     Checking diesel v2.0.0 (https://github.com/diesel-rs/diesel#6346b296)
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking hubcaps v0.6.2
[INFO] [stderr]     Checking db v0.1.0 (/opt/rustwide/workdir/db)
[INFO] [stderr]  Documenting ultron 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(str_split_once)]
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ultron`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ultron 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 chrono=/opt/rustwide/target/debug/deps/libchrono-17c0f0ea02008f15.rmeta --extern db=/opt/rustwide/target/debug/deps/libdb-1b45af0983c74a21.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-9165642b04647e23.rmeta --extern fern=/opt/rustwide/target/debug/deps/libfern-2f1d4f9ad6817942.rmeta --extern hubcaps=/opt/rustwide/target/debug/deps/libhubcaps-cf7cbd3aff0d81f6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5e37eee3e84fafab.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-91c13f26229124ab.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-2f0bef90e6b2cc82.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0ef8041c59f3cf85.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-cdedc6d750713de7.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-b4ca66d34612b2ab.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c35b7a49cc8b37e5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cd5f1634ae7b9b967b242321f7e9afc487c2299d622ee750e5c20470610033b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5f1634ae7b9b967b242321f7e9afc487c2299d622ee750e5c20470610033b8", kill_on_drop: false }`
[INFO] [stdout] cd5f1634ae7b9b967b242321f7e9afc487c2299d622ee750e5c20470610033b8
