[INFO] cloning repository https://github.com/mheumann/trafficlight-avr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mheumann/trafficlight-avr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmheumann%2Ftrafficlight-avr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmheumann%2Ftrafficlight-avr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86915b52862bf3e8c5922f37ba876fa1bb63442c
[INFO] documenting mheumann/trafficlight-avr 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%2Fmheumann%2Ftrafficlight-avr" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mheumann/trafficlight-avr 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/mheumann/trafficlight-avr
[INFO] finished tweaking git repo https://github.com/mheumann/trafficlight-avr
[INFO] tweaked toml for git repo https://github.com/mheumann/trafficlight-avr written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mheumann/trafficlight-avr 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 xmltree v0.4.0
[INFO] [stderr]   Downloaded avr-std-stub v1.0.2
[INFO] [stderr]   Downloaded avrd v0.3.0
[INFO] [stderr]   Downloaded xml-rs v0.4.1
[INFO] [stderr]   Downloaded avr-mcu v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 99a7c4716c282126df2b78798cfa1c8a96e1010ff26ee860ade3d965ae9f5843
[INFO] running `Command { std: "docker" "start" "-a" "99a7c4716c282126df2b78798cfa1c8a96e1010ff26ee860ade3d965ae9f5843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a7c4716c282126df2b78798cfa1c8a96e1010ff26ee860ade3d965ae9f5843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a7c4716c282126df2b78798cfa1c8a96e1010ff26ee860ade3d965ae9f5843", kill_on_drop: false }`
[INFO] [stdout] 99a7c4716c282126df2b78798cfa1c8a96e1010ff26ee860ade3d965ae9f5843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 245b3ce7488dbe4855af97e9884d863ba80b301e029b4ee1fc64c562945fa4e6
[INFO] running `Command { std: "docker" "start" "-a" "245b3ce7488dbe4855af97e9884d863ba80b301e029b4ee1fc64c562945fa4e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking avr-std-stub v1.0.2
[INFO] [stderr]    Compiling xml-rs v0.4.1
[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/avr-std-stub-1.0.2/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(lang_items)]
[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 `avr-std-stub` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "245b3ce7488dbe4855af97e9884d863ba80b301e029b4ee1fc64c562945fa4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245b3ce7488dbe4855af97e9884d863ba80b301e029b4ee1fc64c562945fa4e6", kill_on_drop: false }`
[INFO] [stdout] 245b3ce7488dbe4855af97e9884d863ba80b301e029b4ee1fc64c562945fa4e6
