[INFO] fetching crate hid-io-protocol 0.1.6...
[INFO] documenting hid-io-protocol-0.1.6 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate hid-io-protocol 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate hid-io-protocol 0.1.6 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 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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "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 defmt-macros v0.3.6
[INFO] [stderr]   Downloaded defmt v0.3.5
[INFO] [stderr]   Downloaded defmt-parser v0.3.3
[INFO] [stderr]   Downloaded kll-macros v0.1.2
[INFO] [stderr]   Downloaded kll-hid 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-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] ca449a9eaf83f78ddadd6c1df70c5ecba790d2c9c8569140e9e51f2f9db14a26
[INFO] running `Command { std: "docker" "start" "-a" "ca449a9eaf83f78ddadd6c1df70c5ecba790d2c9c8569140e9e51f2f9db14a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca449a9eaf83f78ddadd6c1df70c5ecba790d2c9c8569140e9e51f2f9db14a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca449a9eaf83f78ddadd6c1df70c5ecba790d2c9c8569140e9e51f2f9db14a26", kill_on_drop: false }`
[INFO] [stdout] ca449a9eaf83f78ddadd6c1df70c5ecba790d2c9c8569140e9e51f2f9db14a26
[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 }`
[INFO] [stdout] 040525a4dfc64a927cdba3ee8296de2bb95d489beb09e54b93014d498cb4dfc0
[INFO] running `Command { std: "docker" "start" "-a" "040525a4dfc64a927cdba3ee8296de2bb95d489beb09e54b93014d498cb4dfc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking kll-hid v0.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling kll-macros v0.1.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rustc_version v0.4.0
[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 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" "040525a4dfc64a927cdba3ee8296de2bb95d489beb09e54b93014d498cb4dfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040525a4dfc64a927cdba3ee8296de2bb95d489beb09e54b93014d498cb4dfc0", kill_on_drop: false }`
[INFO] [stdout] 040525a4dfc64a927cdba3ee8296de2bb95d489beb09e54b93014d498cb4dfc0
[INFO] documenting hid-io-protocol-0.1.6 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate hid-io-protocol 0.1.6 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate hid-io-protocol 0.1.6 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cc4d413b5a9ac563b122ee17efa9971361cf7fea4900a4e380916888f1cb4f5
[INFO] running `Command { std: "docker" "start" "-a" "2cc4d413b5a9ac563b122ee17efa9971361cf7fea4900a4e380916888f1cb4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cc4d413b5a9ac563b122ee17efa9971361cf7fea4900a4e380916888f1cb4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc4d413b5a9ac563b122ee17efa9971361cf7fea4900a4e380916888f1cb4f5", kill_on_drop: false }`
[INFO] [stdout] 2cc4d413b5a9ac563b122ee17efa9971361cf7fea4900a4e380916888f1cb4f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27987547fbce8e5799eddd7c0793adac3a3a289a99cf5e291f630e4e19c4d436
[INFO] running `Command { std: "docker" "start" "-a" "27987547fbce8e5799eddd7c0793adac3a3a289a99cf5e291f630e4e19c4d436", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling kll-macros v0.1.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking kll-hid v0.1.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[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" "27987547fbce8e5799eddd7c0793adac3a3a289a99cf5e291f630e4e19c4d436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27987547fbce8e5799eddd7c0793adac3a3a289a99cf5e291f630e4e19c4d436", kill_on_drop: false }`
[INFO] [stdout] 27987547fbce8e5799eddd7c0793adac3a3a289a99cf5e291f630e4e19c4d436
