[INFO] cloning repository https://github.com/nathanfaucett/rs-virtual_view
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanfaucett/rs-virtual_view" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanfaucett%2Frs-virtual_view", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanfaucett%2Frs-virtual_view'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b729a404ce6d5833bb56bbf0a37b460f8eaa1b35
[INFO] documenting nathanfaucett/rs-virtual_view against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanfaucett%2Frs-virtual_view" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathanfaucett/rs-virtual_view on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathanfaucett/rs-virtual_view
[INFO] finished tweaking git repo https://github.com/nathanfaucett/rs-virtual_view
[INFO] tweaked toml for git repo https://github.com/nathanfaucett/rs-virtual_view written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nathanfaucett/rs-virtual_view already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.1.1
[INFO] [stderr]   Downloaded messenger v0.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.10
[INFO] [stderr]   Downloaded tokio-io v0.1.5
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded mio v0.6.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c27b4d2d0c29e106ad8f437cded508c71c4b0eeeee70462dad4f703a98c0b1
[INFO] running `Command { std: "docker" "start" "-a" "70c27b4d2d0c29e106ad8f437cded508c71c4b0eeeee70462dad4f703a98c0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c27b4d2d0c29e106ad8f437cded508c71c4b0eeeee70462dad4f703a98c0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c27b4d2d0c29e106ad8f437cded508c71c4b0eeeee70462dad4f703a98c0b1", kill_on_drop: false }`
[INFO] [stdout] 70c27b4d2d0c29e106ad8f437cded508c71c4b0eeeee70462dad4f703a98c0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60ffa2d3391ea0222e2e9869c843d7a5ac3dee16f827bc6b15d659b054f1a174
[INFO] running `Command { std: "docker" "start" "-a" "60ffa2d3391ea0222e2e9869c843d7a5ac3dee16f827bc6b15d659b054f1a174", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.10
[INFO] [stderr]     Checking messenger v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/messenger-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/messenger-0.1.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/messenger-0.1.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_atomics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[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 compile `messenger` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60ffa2d3391ea0222e2e9869c843d7a5ac3dee16f827bc6b15d659b054f1a174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ffa2d3391ea0222e2e9869c843d7a5ac3dee16f827bc6b15d659b054f1a174", kill_on_drop: false }`
[INFO] [stdout] 60ffa2d3391ea0222e2e9869c843d7a5ac3dee16f827bc6b15d659b054f1a174
