[INFO] fetching crate hid-io-protocol 0.1.6...
[INFO] documenting hid-io-protocol-0.1.6 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate hid-io-protocol 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hid-io-protocol 0.1.6 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hid-io-protocol 0.1.6
[INFO] finished tweaking crates.io crate hid-io-protocol 0.1.6
[INFO] tweaked toml for crates.io crate hid-io-protocol 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.2
[INFO] [stderr]   Downloaded nu-ansi-term v0.49.0
[INFO] [stderr]   Downloaded flexi_logger v0.25.6
[INFO] [stderr]   Downloaded kll-hid v0.1.2
[INFO] [stderr]   Downloaded kll-macros v0.1.2
[INFO] [stderr]   Downloaded kll-core v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fde84311b725eb4f8f73427eb69a86580a801fbc7eeff6f76eb215606ae0f4c9
[INFO] running `Command { std: "docker" "start" "-a" "fde84311b725eb4f8f73427eb69a86580a801fbc7eeff6f76eb215606ae0f4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde84311b725eb4f8f73427eb69a86580a801fbc7eeff6f76eb215606ae0f4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde84311b725eb4f8f73427eb69a86580a801fbc7eeff6f76eb215606ae0f4c9", kill_on_drop: false }`
[INFO] [stdout] fde84311b725eb4f8f73427eb69a86580a801fbc7eeff6f76eb215606ae0f4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d524e0e00a9493a35385f5bde3d0c2f8ea35599ae7b6cd39998637ce0bdc01
[INFO] running `Command { std: "docker" "start" "-a" "e4d524e0e00a9493a35385f5bde3d0c2f8ea35599ae7b6cd39998637ce0bdc01", kill_on_drop: false }`
[INFO] [stderr]     Checking kll-hid v0.1.2
[INFO] [stderr]    Compiling kll-macros v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking kll-core v0.1.8
[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/kll-core-0.1.8/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `kll-core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e4d524e0e00a9493a35385f5bde3d0c2f8ea35599ae7b6cd39998637ce0bdc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d524e0e00a9493a35385f5bde3d0c2f8ea35599ae7b6cd39998637ce0bdc01", kill_on_drop: false }`
[INFO] [stdout] e4d524e0e00a9493a35385f5bde3d0c2f8ea35599ae7b6cd39998637ce0bdc01
[INFO] documenting hid-io-protocol-0.1.6 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate hid-io-protocol 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate hid-io-protocol 0.1.6 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hid-io-protocol 0.1.6
[INFO] finished tweaking crates.io crate hid-io-protocol 0.1.6
[INFO] tweaked toml for crates.io crate hid-io-protocol 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 776f55b632e68c3cbf31c4323555c6580224e177f7c80cbb95576aee5277c30f
[INFO] running `Command { std: "docker" "start" "-a" "776f55b632e68c3cbf31c4323555c6580224e177f7c80cbb95576aee5277c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "776f55b632e68c3cbf31c4323555c6580224e177f7c80cbb95576aee5277c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776f55b632e68c3cbf31c4323555c6580224e177f7c80cbb95576aee5277c30f", kill_on_drop: false }`
[INFO] [stdout] 776f55b632e68c3cbf31c4323555c6580224e177f7c80cbb95576aee5277c30f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1016f3a2075e0bcbf1f65d31da20995ebe23cd1d3498f622b628c29f730ef0f3
[INFO] running `Command { std: "docker" "start" "-a" "1016f3a2075e0bcbf1f65d31da20995ebe23cd1d3498f622b628c29f730ef0f3", kill_on_drop: false }`
[INFO] [stderr]     Checking kll-hid v0.1.2
[INFO] [stderr]    Compiling kll-macros v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking kll-core v0.1.8
[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/kll-core-0.1.8/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `kll-core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1016f3a2075e0bcbf1f65d31da20995ebe23cd1d3498f622b628c29f730ef0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1016f3a2075e0bcbf1f65d31da20995ebe23cd1d3498f622b628c29f730ef0f3", kill_on_drop: false }`
[INFO] [stdout] 1016f3a2075e0bcbf1f65d31da20995ebe23cd1d3498f622b628c29f730ef0f3
