[INFO] cloning repository https://github.com/nekomaru0510/Violet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nekomaru0510/Violet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnekomaru0510%2FViolet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnekomaru0510%2FViolet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3f3b5d995660370a8f7b1a71141d4988bfa93b6
[INFO] testing nekomaru0510/Violet against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnekomaru0510%2FViolet" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nekomaru0510/Violet on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-95/source/.cargo/config
[INFO] removed /workspace/builds/worker-95/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nekomaru0510/Violet
[INFO] finished tweaking git repo https://github.com/nekomaru0510/Violet
[INFO] tweaked toml for git repo https://github.com/nekomaru0510/Violet written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/nekomaru0510/Violet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f3eff2631421d82777771708a254cb2bfb19bc54d7e7379a4dfbe9a5fce2ab8
[INFO] running `Command { std: "docker" "start" "-a" "1f3eff2631421d82777771708a254cb2bfb19bc54d7e7379a4dfbe9a5fce2ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3eff2631421d82777771708a254cb2bfb19bc54d7e7379a4dfbe9a5fce2ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3eff2631421d82777771708a254cb2bfb19bc54d7e7379a4dfbe9a5fce2ab8", kill_on_drop: false }`
[INFO] [stdout] 1f3eff2631421d82777771708a254cb2bfb19bc54d7e7379a4dfbe9a5fce2ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62696cd20194d996be191faf88750dc43a7542b3024f3105317f919c1b032ca
[INFO] running `Command { std: "docker" "start" "-a" "e62696cd20194d996be191faf88750dc43a7542b3024f3105317f919c1b032ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling uart v0.1.0 (/opt/rustwide/workdir/driver/board/sifive_u/uart)
[INFO] [stderr]    Compiling class v0.1.0 (/opt/rustwide/workdir/violet/class)
[INFO] [stderr]    Compiling tock-registers v0.5.0
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/violet/kernel)
[INFO] [stderr]    Compiling entry v0.1.0 (/opt/rustwide/workdir/driver/arch/rv64/entry)
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> driver/arch/rv64/entry/src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         llvm_asm! ("
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> driver/arch/rv64/entry/src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         llvm_asm! ("
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> driver/arch/rv64/entry/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> driver/arch/rv64/entry/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> driver/arch/rv64/entry/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> driver/arch/rv64/entry/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plic v0.1.0 (/opt/rustwide/workdir/driver/board/sifive_u/plic)
[INFO] [stderr]    Compiling clint_timer v0.1.0 (/opt/rustwide/workdir/driver/board/sifive_u/clint_timer)
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.5.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serial v0.1.0 (/opt/rustwide/workdir/resource/io/serial)
[INFO] [stderr] error: could not compile `entry` due to 7 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> violet/kernel/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `kernel` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e62696cd20194d996be191faf88750dc43a7542b3024f3105317f919c1b032ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62696cd20194d996be191faf88750dc43a7542b3024f3105317f919c1b032ca", kill_on_drop: false }`
[INFO] [stdout] e62696cd20194d996be191faf88750dc43a7542b3024f3105317f919c1b032ca