[INFO] cloning repository https://github.com/tazz4843/serenity-rs_boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tazz4843/serenity-rs_boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftazz4843%2Fserenity-rs_boilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftazz4843%2Fserenity-rs_boilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 134b34ec4fa6f355a5a3ab238909d5f17fb5e390
[INFO] documenting tazz4843/serenity-rs_boilerplate 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%2Ftazz4843%2Fserenity-rs_boilerplate" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tazz4843/serenity-rs_boilerplate 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/tazz4843/serenity-rs_boilerplate
[INFO] finished tweaking git repo https://github.com/tazz4843/serenity-rs_boilerplate
[INFO] tweaked toml for git repo https://github.com/tazz4843/serenity-rs_boilerplate written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/tazz4843/serenity-rs_boilerplate 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/serenity-rs/serenity`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded sqlx-macros v0.5.5
[INFO] [stderr]   Downloaded sqlx-rt v0.5.5
[INFO] [stderr]   Downloaded sqlx-core v0.5.5
[INFO] [stderr]   Downloaded sqlx v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 697bfc9a8bf4861d32aec4b6f3a0dc6e53ab538542c76f62d67818d008a4bddf
[INFO] running `Command { std: "docker" "start" "-a" "697bfc9a8bf4861d32aec4b6f3a0dc6e53ab538542c76f62d67818d008a4bddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "697bfc9a8bf4861d32aec4b6f3a0dc6e53ab538542c76f62d67818d008a4bddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697bfc9a8bf4861d32aec4b6f3a0dc6e53ab538542c76f62d67818d008a4bddf", kill_on_drop: false }`
[INFO] [stdout] 697bfc9a8bf4861d32aec4b6f3a0dc6e53ab538542c76f62d67818d008a4bddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e81684ca50a5ecb9d282b5e7d13de99ae75739996bc33ba12c0d337b707fc984
[INFO] running `Command { std: "docker" "start" "-a" "e81684ca50a5ecb9d282b5e7d13de99ae75739996bc33ba12c0d337b707fc984", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling serenity v0.10.8 (https://github.com/serenity-rs/serenity?branch=current#6192107f)
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking maplit v1.0.2
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[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking atoi v0.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]     Checking idna v0.2.3
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[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sqlformat v0.1.6
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling command_attr v0.3.7 (https://github.com/serenity-rs/serenity?branch=current#6192107f)
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking sqlx-rt v0.5.5
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking bot_config v0.1.0 (/opt/rustwide/workdir/bot_config)
[INFO] [stderr]     Checking sqlx-core v0.5.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> bot_config/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.14.10
[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 `bot_config` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e81684ca50a5ecb9d282b5e7d13de99ae75739996bc33ba12c0d337b707fc984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81684ca50a5ecb9d282b5e7d13de99ae75739996bc33ba12c0d337b707fc984", kill_on_drop: false }`
[INFO] [stdout] e81684ca50a5ecb9d282b5e7d13de99ae75739996bc33ba12c0d337b707fc984
