[INFO] fetching crate orbit-kernel 0.1.3...
[INFO] testing orbit-kernel-0.1.3 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate orbit-kernel 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate orbit-kernel 0.1.3
[INFO] finished tweaking crates.io crate orbit-kernel 0.1.3
[INFO] tweaked toml for crates.io crate orbit-kernel 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate orbit-kernel 0.1.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate orbit-kernel 0.1.3 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded orbit-common v0.0.1
[INFO] [stderr]   Downloaded orbit-common-proc-macro v0.0.2
[INFO] [stderr]   Downloaded qemu-virt32-pac v0.1.1
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded orbit-chip v0.0.2
[INFO] [stderr]   Downloaded orbit-arch v0.0.3
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded riscv-macros v0.3.0
[INFO] [stderr]   Downloaded esp-riscv-rt v0.9.1
[INFO] [stderr]   Downloaded cortex-m-macros v0.7.8
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded cortex-m v0.7.9
[INFO] [stderr]   Downloaded qingke v0.7.0
[INFO] [stderr]   Downloaded riscv-rt-macros v0.2.2
[INFO] [stderr]   Downloaded riscv-rt-macros v0.7.0
[INFO] [stderr]   Downloaded riscv-types v0.1.0
[INFO] [stderr]   Downloaded riscv-macros v0.4.1
[INFO] [stderr]   Downloaded riscv-pac v0.2.0
[INFO] [stderr]   Downloaded riscv-macros v0.1.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded ch32x0 v0.1.7
[INFO] [stderr]   Downloaded riscv v0.12.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.6
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded riscv v0.10.1
[INFO] [stderr]   Downloaded embedded-alloc v0.7.0
[INFO] [stderr]   Downloaded riscv v0.16.1
[INFO] [stderr]   Downloaded rlsf v0.2.3
[INFO] [stderr]   Downloaded riscv v0.15.0
[INFO] [stderr]   Downloaded ch32v0 v0.1.7
[INFO] [stderr]   Downloaded ch59x v0.1.8
[INFO] [stderr]   Downloaded ch32v2 v0.1.6
[INFO] [stderr]   Downloaded esp32c3 v0.26.0
[INFO] [stderr]   Downloaded bl702-pac v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8
[INFO] running `Command { std: "docker" "start" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8", 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" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8", 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" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling orbit-kernel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling orbit-common v0.0.1
[INFO] [stderr]    Compiling orbit-common-proc-macro v0.0.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(fn_align)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Waiting`
[INFO] [stdout]  --> src/scheduler.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::scheduler::State::{Blocked, Waiting};
[INFO] [stdout]   |                                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `orbit-kernel` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8", kill_on_drop: false }`
[INFO] [stdout] 1e4434013c44c65aaaa577265d6e023f4eaa832d39330b6a4fc48d81df44dfb8
