[INFO] cloning repository https://github.com/rtsmarty/discord-bots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtsmarty/discord-bots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c64e3f8b14ca0e505230fd4b03ee5ec0a09f27d4
[INFO] documenting rtsmarty/discord-bots 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%2Frtsmarty%2Fdiscord-bots" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rtsmarty/discord-bots 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/rtsmarty/discord-bots
[INFO] finished tweaking git repo https://github.com/rtsmarty/discord-bots
[INFO] tweaked toml for git repo https://github.com/rtsmarty/discord-bots written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rtsmarty/discord-bots 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 279c86a01f302a67d3145aa568a8b9752ce8c5e1a6dd345c6b2e71c30c6b90d8
[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" "279c86a01f302a67d3145aa568a8b9752ce8c5e1a6dd345c6b2e71c30c6b90d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "279c86a01f302a67d3145aa568a8b9752ce8c5e1a6dd345c6b2e71c30c6b90d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279c86a01f302a67d3145aa568a8b9752ce8c5e1a6dd345c6b2e71c30c6b90d8", kill_on_drop: false }`
[INFO] [stdout] 279c86a01f302a67d3145aa568a8b9752ce8c5e1a6dd345c6b2e71c30c6b90d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4c70f3bf98fa8a04b65348e3b104f336df36809b516288f4fcbb5cf70898ac72
[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" "4c70f3bf98fa8a04b65348e3b104f336df36809b516288f4fcbb5cf70898ac72", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking discord-bots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting discord-bots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash_set_entry, maybe_uninit_slice_assume_init, try_blocks)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash_set_entry, maybe_uninit_slice_assume_init, try_blocks)]
[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 `discord-bots`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name discord_bots src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-ca21398a46997dd1.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7925d1bf53c9b12a.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-9f527e29df1c1ab7.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-d5f4de43b6e21eb1.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-bd2638a7805470d2.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-0d8cb39e9ffee1cf.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-3bf825ba4e26baab.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ad66bca47451891d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1e74288b64ec0bd3.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-87ca02dc598420fe.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c8f12b90d61d69fd.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f965c4c8944f15eb.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-574917510a99203d.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-0c4ca53250a8d924.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-42717a86b67c8c31.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-5917c09acf29ce41.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f9a0b0c32948723f.rmeta --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-cf2fed2d2dfee323.rmeta --extern unicase=/opt/rustwide/target/debug/deps/libunicase-9ca5ff0eae2d0ca5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `slice_get_mut` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/ws/message.rs:73:55
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let real_buf = std::mem::MaybeUninit::slice_get_mut(buf);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4c70f3bf98fa8a04b65348e3b104f336df36809b516288f4fcbb5cf70898ac72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c70f3bf98fa8a04b65348e3b104f336df36809b516288f4fcbb5cf70898ac72", kill_on_drop: false }`
[INFO] [stdout] 4c70f3bf98fa8a04b65348e3b104f336df36809b516288f4fcbb5cf70898ac72
