[INFO] cloning repository https://github.com/hanmertens/angstros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanmertens/angstros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 271d74debfbb666c950ed860ca9e9b79bfaf9855
[INFO] testing hanmertens/angstros against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanmertens/angstros on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-13/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/hanmertens/angstros
[INFO] finished tweaking git repo https://github.com/hanmertens/angstros
[INFO] tweaked toml for git repo https://github.com/hanmertens/angstros written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hanmertens/angstros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.14
[INFO] [stderr]   Downloaded pic8259 v0.10.1
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded xshell v0.1.13
[INFO] [stderr]   Downloaded owo-colors v2.0.0
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] [stderr]   Downloaded uefi-macros v0.3.3
[INFO] [stderr]   Downloaded uefi v0.11.0
[INFO] [stderr]   Downloaded x86_64 v0.14.2
[INFO] [stderr]   Downloaded xmas-elf v0.7.0
[INFO] [stderr]   Downloaded xshell-macros v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2d469a16263d5d6fd243e085e87f5d0b30e054ab03a1373ec1f0fc8a767e2a6
[INFO] running `Command { std: "docker" "start" "-a" "b2d469a16263d5d6fd243e085e87f5d0b30e054ab03a1373ec1f0fc8a767e2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d469a16263d5d6fd243e085e87f5d0b30e054ab03a1373ec1f0fc8a767e2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d469a16263d5d6fd243e085e87f5d0b30e054ab03a1373ec1f0fc8a767e2a6", kill_on_drop: false }`
[INFO] [stdout] b2d469a16263d5d6fd243e085e87f5d0b30e054ab03a1373ec1f0fc8a767e2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c6cb0e195baf925386e1aaf765d948019e9db01b3409392e82d3664ceb491b6
[INFO] running `Command { std: "docker" "start" "-a" "5c6cb0e195baf925386e1aaf765d948019e9db01b3409392e82d3664ceb491b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling x86_64 v0.14.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling sys v0.1.0 (/opt/rustwide/workdir/user/sys)
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling spin v0.9.0
[INFO] [stderr]    Compiling owo-colors v2.0.0
[INFO] [stderr]    Compiling xshell-macros v0.1.13
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> user/sys/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `sys` 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" "5c6cb0e195baf925386e1aaf765d948019e9db01b3409392e82d3664ceb491b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6cb0e195baf925386e1aaf765d948019e9db01b3409392e82d3664ceb491b6", kill_on_drop: false }`
[INFO] [stdout] 5c6cb0e195baf925386e1aaf765d948019e9db01b3409392e82d3664ceb491b6
