[INFO] cloning repository https://github.com/terrarier2111/LeafOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terrarier2111/LeafOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrarier2111%2FLeafOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterrarier2111%2FLeafOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1893cb9780bcfbb9d62594024f009f87bdd9d9d7
[INFO] testing terrarier2111/LeafOS 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%2Fterrarier2111%2FLeafOS" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terrarier2111/LeafOS 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] started tweaking git repo https://github.com/terrarier2111/LeafOS
[INFO] finished tweaking git repo https://github.com/terrarier2111/LeafOS
[INFO] tweaked toml for git repo https://github.com/terrarier2111/LeafOS written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/terrarier2111/LeafOS 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4b6ff7cf6507b5d0721ee0e11e16a670ec6b3aa0ee53b5f20add5c4d95b5c005
[INFO] running `Command { std: "docker" "start" "-a" "4b6ff7cf6507b5d0721ee0e11e16a670ec6b3aa0ee53b5f20add5c4d95b5c005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b6ff7cf6507b5d0721ee0e11e16a670ec6b3aa0ee53b5f20add5c4d95b5c005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6ff7cf6507b5d0721ee0e11e16a670ec6b3aa0ee53b5f20add5c4d95b5c005", kill_on_drop: false }`
[INFO] [stdout] 4b6ff7cf6507b5d0721ee0e11e16a670ec6b3aa0ee53b5f20add5c4d95b5c005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a758741adebccbb5de98c193148988c612741590c04dd8ddd3db54d07a81e405
[INFO] running `Command { std: "docker" "start" "-a" "a758741adebccbb5de98c193148988c612741590c04dd8ddd3db54d07a81e405", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling x86_64 v0.14.8
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling x86 v0.47.0
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]    Compiling bit v0.1.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling tock-registers v0.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling regex v1.5.5
[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/tock-registers-0.7.0/src/lib.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[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 `tock-registers` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a758741adebccbb5de98c193148988c612741590c04dd8ddd3db54d07a81e405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a758741adebccbb5de98c193148988c612741590c04dd8ddd3db54d07a81e405", kill_on_drop: false }`
[INFO] [stdout] a758741adebccbb5de98c193148988c612741590c04dd8ddd3db54d07a81e405