[INFO] cloning repository https://github.com/roguecat0/avr-yt-tutorial-projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roguecat0/avr-yt-tutorial-projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froguecat0%2Favr-yt-tutorial-projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froguecat0%2Favr-yt-tutorial-projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a83cac2a308125aefaa1961932b334ab97e9b6f
[INFO] testing roguecat0/avr-yt-tutorial-projects against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froguecat0%2Favr-yt-tutorial-projects" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/roguecat0/avr-yt-tutorial-projects
[INFO] finished tweaking git repo https://github.com/roguecat0/avr-yt-tutorial-projects
[INFO] tweaked toml for git repo https://github.com/roguecat0/avr-yt-tutorial-projects written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roguecat0/avr-yt-tutorial-projects on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roguecat0/avr-yt-tutorial-projects 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/Rahix/avr-hal`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded fugit v0.3.7
[INFO] [stderr]   Downloaded infrared v0.14.2
[INFO] [stderr]   Downloaded dht11 v0.3.1
[INFO] [stderr]   Downloaded shared-bus v0.2.5
[INFO] [stderr]   Downloaded ufmt-macros v0.2.0
[INFO] [stderr]   Downloaded ag-lcd v0.3.0
[INFO] [stderr]   Downloaded avr-device-macros v0.7.0
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] [stderr]   Downloaded ufmt v0.1.2
[INFO] [stderr]   Downloaded avr-device v0.7.0
[INFO] [stderr]   Downloaded uln2003 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 938cbb273e6079c93cf18a82edd77c2288ff7ccdfc484e91f4447cb7c82a9def
[INFO] running `Command { std: "docker" "start" "-a" "938cbb273e6079c93cf18a82edd77c2288ff7ccdfc484e91f4447cb7c82a9def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938cbb273e6079c93cf18a82edd77c2288ff7ccdfc484e91f4447cb7c82a9def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938cbb273e6079c93cf18a82edd77c2288ff7ccdfc484e91f4447cb7c82a9def", kill_on_drop: false }`
[INFO] [stdout] 938cbb273e6079c93cf18a82edd77c2288ff7ccdfc484e91f4447cb7c82a9def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21a9a983b7439258bd99d75147fbcbf8e102911312154e913c28a10975fc7e1
[INFO] running `Command { std: "docker" "start" "-a" "c21a9a983b7439258bd99d75147fbcbf8e102911312154e913c28a10975fc7e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling embedded-hal-bus v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling embedded-storage v0.2.0
[INFO] [stderr]    Compiling unwrap-infallible v0.1.5
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling micromath v2.1.0
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling avr-device-macros v0.7.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling fugit v0.3.7
[INFO] [stderr]    Compiling uln2003 v0.4.0
[INFO] [stderr]    Compiling shared-bus v0.2.5
[INFO] [stderr]    Compiling dht11 v0.3.1
[INFO] [stderr]    Compiling infrared v0.14.2
[INFO] [stderr]    Compiling avr-device v0.7.0
[INFO] [stderr]    Compiling ufmt v0.2.0
[INFO] [stderr]    Compiling ufmt-macros v0.2.0
[INFO] [stderr]    Compiling avr-hal-generic v0.1.0 (https://github.com/Rahix/avr-hal#e330e2a6)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/avr-hal-88cb7c7248a695f0/e330e2a/avr-hal-generic/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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-hal-generic` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c21a9a983b7439258bd99d75147fbcbf8e102911312154e913c28a10975fc7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21a9a983b7439258bd99d75147fbcbf8e102911312154e913c28a10975fc7e1", kill_on_drop: false }`
[INFO] [stdout] c21a9a983b7439258bd99d75147fbcbf8e102911312154e913c28a10975fc7e1
