[INFO] cloning repository https://github.com/kchmck/p25rx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kchmck/p25rx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkchmck%2Fp25rx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkchmck%2Fp25rx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab251c4c28e0d1e0d8630b513925909b4eb0aba4
[INFO] documenting kchmck/p25rx against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkchmck%2Fp25rx" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kchmck/p25rx on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kchmck/p25rx
[INFO] finished tweaking git repo https://github.com/kchmck/p25rx
[INFO] tweaked toml for git repo https://github.com/kchmck/p25rx written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kchmck/p25rx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/kchmck/imbe.rs`
[INFO] [stderr]     Updating git repository `https://github.com/kchmck/p25.rs`
[INFO] [stderr]     Updating git repository `https://github.com/kchmck/p25_filts.rs`
[INFO] [stderr]     Updating git repository `https://github.com/kchmck/pool`
[INFO] [stderr]     Updating git repository `https://github.com/kchmck/static_decimate.rs`
[INFO] [stderr]     Updating git repository `https://github.com/kchmck/throttle.rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded env_logger v0.5.3
[INFO] [stderr]   Downloaded wincolor v0.1.4
[INFO] [stderr]   Downloaded uhttp_response_header v0.5.0
[INFO] [stderr]   Downloaded demod_fm v1.0.0
[INFO] [stderr]   Downloaded uhttp_json_api v0.6.1
[INFO] [stderr]   Downloaded cai_cyclic v0.1.2
[INFO] [stderr]   Downloaded uhttp_status v0.10.0
[INFO] [stderr]   Downloaded uhttp_chunked_bytes v0.5.0
[INFO] [stderr]   Downloaded uhttp_request_target v0.6.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded prctl v1.0.0
[INFO] [stderr]   Downloaded uhttp_body_bytes v0.5.2
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded termcolor v0.3.3
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded uhttp_sse v0.5.1
[INFO] [stderr]   Downloaded static_fir v0.2.0
[INFO] [stderr]   Downloaded uhttp_content_encoding v0.5.1
[INFO] [stderr]   Downloaded iq_osc v3.0.0
[INFO] [stderr]   Downloaded moving_avg v0.2.0
[INFO] [stderr]   Downloaded binfield_matrix v0.2.0
[INFO] [stderr]   Downloaded chan v0.1.20
[INFO] [stderr]   Downloaded uhttp_request v0.5.1
[INFO] [stderr]   Downloaded rtlsdr_iq v0.1.0
[INFO] [stderr]   Downloaded moving_avg v0.1.0
[INFO] [stderr]   Downloaded rtlsdr_mt v2.0.1
[INFO] [stderr]   Downloaded uhttp_transfer_encoding v0.5.0
[INFO] [stderr]   Downloaded subslice_index v0.5.0
[INFO] [stderr]   Downloaded uhttp_uri v0.5.1
[INFO] [stderr]   Downloaded uhttp_chunked_write v0.5.1
[INFO] [stderr]   Downloaded uhttp_version v0.6.0
[INFO] [stderr]   Downloaded slice-cast v0.1.2
[INFO] [stderr]   Downloaded collect_slice v1.2.0
[INFO] [stderr]   Downloaded mio-more v0.1.0
[INFO] [stderr]   Downloaded rtlsdr_sys v1.1.2
[INFO] [stderr]   Downloaded uhttp_method v0.10.0
[INFO] [stderr]   Downloaded uhttp_media_type v0.5.0
[INFO] [stderr]   Downloaded cai_golay v0.1.1
[INFO] [stderr]   Downloaded slice_mip v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 634203d3ccd113e91e65bd7401cb9306ddf43bb95ea1232911be68e343d520f3
[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" "634203d3ccd113e91e65bd7401cb9306ddf43bb95ea1232911be68e343d520f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634203d3ccd113e91e65bd7401cb9306ddf43bb95ea1232911be68e343d520f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634203d3ccd113e91e65bd7401cb9306ddf43bb95ea1232911be68e343d520f3", kill_on_drop: false }`
[INFO] [stdout] 634203d3ccd113e91e65bd7401cb9306ddf43bb95ea1232911be68e343d520f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 565bda5028c7ad15dc4771f9c10ce8cdf50c0014c96d9102402276a3566f16ac
[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" "565bda5028c7ad15dc4771f9c10ce8cdf50c0014c96d9102402276a3566f16ac", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking static_fir v0.2.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-width 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/static_fir-0.2.0/src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | #![feature(conservative_impl_trait)]
[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 `static_fir`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "565bda5028c7ad15dc4771f9c10ce8cdf50c0014c96d9102402276a3566f16ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565bda5028c7ad15dc4771f9c10ce8cdf50c0014c96d9102402276a3566f16ac", kill_on_drop: false }`
[INFO] [stdout] 565bda5028c7ad15dc4771f9c10ce8cdf50c0014c96d9102402276a3566f16ac