[INFO] fetching crate hyaline-smr 0.1.1...
[INFO] testing hyaline-smr-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate hyaline-smr 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hyaline-smr 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hyaline-smr 0.1.1
[INFO] finished tweaking crates.io crate hyaline-smr 0.1.1
[INFO] tweaked toml for crates.io crate hyaline-smr 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate hyaline-smr 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loom v0.5.2
[INFO] [stderr]   Downloaded atomicdouble v0.1.4
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d6b116b4d46c608ae884405a7bb1f1bdca4ecfe6c437f43c92633079e2f59ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d6b116b4d46c608ae884405a7bb1f1bdca4ecfe6c437f43c92633079e2f59ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d6b116b4d46c608ae884405a7bb1f1bdca4ecfe6c437f43c92633079e2f59ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6b116b4d46c608ae884405a7bb1f1bdca4ecfe6c437f43c92633079e2f59ae", kill_on_drop: false }`
[INFO] [stdout] 6d6b116b4d46c608ae884405a7bb1f1bdca4ecfe6c437f43c92633079e2f59ae
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] a8d372f30fb994b634ee00909ab2fbe3fece321277b408b967f3aad70ae8a48d
[INFO] running `Command { std: "docker" "start" "-a" "a8d372f30fb994b634ee00909ab2fbe3fece321277b408b967f3aad70ae8a48d", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomicdouble v0.1.4
[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/atomicdouble-0.1.4/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(stdsimd)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/atomicdouble-0.1.4/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(cmpxchg16b_target_feature)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomicdouble` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a8d372f30fb994b634ee00909ab2fbe3fece321277b408b967f3aad70ae8a48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d372f30fb994b634ee00909ab2fbe3fece321277b408b967f3aad70ae8a48d", kill_on_drop: false }`
[INFO] [stdout] a8d372f30fb994b634ee00909ab2fbe3fece321277b408b967f3aad70ae8a48d