[INFO] cloning repository https://github.com/andyquinterom/shiny-rs-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyquinterom/shiny-rs-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyquinterom%2Fshiny-rs-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyquinterom%2Fshiny-rs-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e88d9a73566e20fc90f7eca507e29854b0347662
[INFO] documenting andyquinterom/shiny-rs-example against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyquinterom%2Fshiny-rs-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andyquinterom/shiny-rs-example on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andyquinterom/shiny-rs-example
[INFO] finished tweaking git repo https://github.com/andyquinterom/shiny-rs-example
[INFO] tweaked toml for git repo https://github.com/andyquinterom/shiny-rs-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andyquinterom/shiny-rs-example 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/andyquinterom/shiny-rs-yew`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/andyquinterom/shiny-rs-server`
[INFO] [stderr]     Updating git submodule `https://github.com/andyquinterom/shiny-rs_derive.git`
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[INFO] [stderr]   Downloaded actix-ws v0.2.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d94b9a94b93ee95cd43f8c8055924938a60a23c52617de2fdcd4eab5f47abae8
[INFO] running `Command { std: "docker" "start" "-a" "d94b9a94b93ee95cd43f8c8055924938a60a23c52617de2fdcd4eab5f47abae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d94b9a94b93ee95cd43f8c8055924938a60a23c52617de2fdcd4eab5f47abae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94b9a94b93ee95cd43f8c8055924938a60a23c52617de2fdcd4eab5f47abae8", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1b90f94ec33bbc205fe54e0ba8df814efdcb4b16a7c8462d34a9981e3e60027b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling log v0.4.17
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[INFO] [stderr]    Compiling libm v0.2.5
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[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling tokio v1.21.1
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[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking env_logger v0.9.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.2.3
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling render_macros v0.3.1
[INFO] [stderr]    Compiling shiny-rs_derive v0.1.0 (https://github.com/andyquinterom/shiny-rs-server?rev=8ee6499#8ee64995)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/render_macros-0.3.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `render_macros` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1b90f94ec33bbc205fe54e0ba8df814efdcb4b16a7c8462d34a9981e3e60027b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b90f94ec33bbc205fe54e0ba8df814efdcb4b16a7c8462d34a9981e3e60027b", kill_on_drop: false }`
[INFO] [stdout] 1b90f94ec33bbc205fe54e0ba8df814efdcb4b16a7c8462d34a9981e3e60027b
