[INFO] cloning repository https://github.com/LukMarks/rust-avr-interface
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LukMarks/rust-avr-interface" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukMarks%2Frust-avr-interface", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukMarks%2Frust-avr-interface'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcd7a32b9dae45570b8119bcc8256ea3a61d8423
[INFO] documenting LukMarks/rust-avr-interface against 1.98.0-beta.1 for beta-rustdoc-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukMarks%2Frust-avr-interface" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LukMarks/rust-avr-interface
[INFO] finished tweaking git repo https://github.com/LukMarks/rust-avr-interface
[INFO] tweaked toml for git repo https://github.com/LukMarks/rust-avr-interface written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LukMarks/rust-avr-interface on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LukMarks/rust-avr-interface 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] [stderr] warning: Cargo.toml: unused manifest key: unstable
[INFO] [stderr] warning: `rust-avr` (manifest) generated 3 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded ufmt-macros v0.2.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]   Downloaded ufmt v0.1.2
[INFO] [stderr]   Downloaded avr-device-macros v0.3.4
[INFO] [stderr]   Downloaded avr-device v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a
[INFO] running `Command { std: "docker" "start" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] [stderr] warning: Cargo.toml: unused manifest key: unstable
[INFO] [stderr] warning: `rust-avr` (manifest) generated 3 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling avr-device v0.3.4
[INFO] [stderr]    Compiling ufmt-macros v0.2.0
[INFO] [stderr]    Compiling avr-device-macros v0.3.4
[INFO] [stderr]     Checking ufmt v0.1.2
[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-1949cf8c6b5b557f/avr-device-0.3.4/src/lib.rs:65:35
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![cfg_attr(avr_device_asm_macro, feature(asm_experimental_arch))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `avr-device` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a", kill_on_drop: false }`
[INFO] [stdout] e4ed31e674fb4c86a9dde397e3ba5a290c28fb07048e82af76b30189087e5e7a
