[INFO] cloning repository https://github.com/RusPiRo/ruspiro-mailbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RusPiRo/ruspiro-mailbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-mailbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-mailbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 013fbbeec56af7841e038a42a225786fd33568e1
[INFO] testing RusPiRo/ruspiro-mailbox against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-mailbox" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RusPiRo/ruspiro-mailbox on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/RusPiRo/ruspiro-mailbox
[INFO] finished tweaking git repo https://github.com/RusPiRo/ruspiro-mailbox
[INFO] tweaked toml for git repo https://github.com/RusPiRo/ruspiro-mailbox written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RusPiRo/ruspiro-mailbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/RusPiRo/ruspiro-cache.git`
[INFO] [stderr]     Updating git repository `https://github.com/RusPiRo/ruspiro-error.git`
[INFO] [stderr]     Updating git repository `https://github.com/RusPiRo/ruspiro-mmio-register.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95e564a21e1d855b8d15c794d47f07c7f0ea4dac6546f37fe70f104b426fbd1e
[INFO] running `Command { std: "docker" "start" "-a" "95e564a21e1d855b8d15c794d47f07c7f0ea4dac6546f37fe70f104b426fbd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e564a21e1d855b8d15c794d47f07c7f0ea4dac6546f37fe70f104b426fbd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e564a21e1d855b8d15c794d47f07c7f0ea4dac6546f37fe70f104b426fbd1e", kill_on_drop: false }`
[INFO] [stdout] 95e564a21e1d855b8d15c794d47f07c7f0ea4dac6546f37fe70f104b426fbd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f48479b5b7827f18bdf6edc110baffa6e96f6d1d7d5bb7b27c2da5c5a23b028
[INFO] running `Command { std: "docker" "start" "-a" "6f48479b5b7827f18bdf6edc110baffa6e96f6d1d7d5bb7b27c2da5c5a23b028", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling ruspiro-register v0.5.4
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling ruspiro-error v0.1.1 (https://github.com/RusPiRo/ruspiro-error.git?branch=development#5c193f42)
[INFO] [stderr]    Compiling ruspiro-arch-aarch64 v0.1.5
[INFO] [stderr]    Compiling ruspiro-mmio-register v0.1.3 (https://github.com/RusPiRo/ruspiro-mmio-register.git?branch=development#aa378ad4)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruspiro-arch-aarch64-0.1.5/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(asm)]
[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 `ruspiro-arch-aarch64` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6f48479b5b7827f18bdf6edc110baffa6e96f6d1d7d5bb7b27c2da5c5a23b028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f48479b5b7827f18bdf6edc110baffa6e96f6d1d7d5bb7b27c2da5c5a23b028", kill_on_drop: false }`
[INFO] [stdout] 6f48479b5b7827f18bdf6edc110baffa6e96f6d1d7d5bb7b27c2da5c5a23b028