[INFO] fetching crate ruspiro-cache 0.4.0...
[INFO] documenting ruspiro-cache-0.4.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate ruspiro-cache 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ruspiro-cache 0.4.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruspiro-cache 0.4.0
[INFO] finished tweaking crates.io crate ruspiro-cache 0.4.0
[INFO] tweaked toml for crates.io crate ruspiro-cache 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39395fac5a98a327eedebc0269cac1b62f437799439dd5d5e9d9aebc8f20d45f
[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" "39395fac5a98a327eedebc0269cac1b62f437799439dd5d5e9d9aebc8f20d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39395fac5a98a327eedebc0269cac1b62f437799439dd5d5e9d9aebc8f20d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39395fac5a98a327eedebc0269cac1b62f437799439dd5d5e9d9aebc8f20d45f", kill_on_drop: false }`
[INFO] [stdout] 39395fac5a98a327eedebc0269cac1b62f437799439dd5d5e9d9aebc8f20d45f
[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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566e109cbbafcb366ec201ac69a9ad0222f0fd0054900d915213d37b19cecdf1
[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" "566e109cbbafcb366ec201ac69a9ad0222f0fd0054900d915213d37b19cecdf1", kill_on_drop: false }`
[INFO] [stderr]     Checking ruspiro-register v0.5.0
[INFO] [stderr]    Compiling ruspiro-cache v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ruspiro-arch-aarch64 v0.1.3
[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/ruspiro-arch-aarch64-0.1.3/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(llvm_asm, const_fn)]
[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 `ruspiro-arch-aarch64`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "566e109cbbafcb366ec201ac69a9ad0222f0fd0054900d915213d37b19cecdf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566e109cbbafcb366ec201ac69a9ad0222f0fd0054900d915213d37b19cecdf1", kill_on_drop: false }`
[INFO] [stdout] 566e109cbbafcb366ec201ac69a9ad0222f0fd0054900d915213d37b19cecdf1
