[INFO] fetching crate signalo 0.5.0...
[INFO] testing signalo-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate signalo 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate signalo 0.5.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalo 0.5.0
[INFO] finished tweaking crates.io crate signalo 0.5.0
[INFO] tweaked toml for crates.io crate signalo 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signalo_pipes v0.5.0
[INFO] [stderr]   Downloaded signalo_sinks v0.5.1
[INFO] [stderr]   Downloaded signalo_filters v0.5.1
[INFO] [stderr]   Downloaded signalo_sources v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e387c56bc5d8a2a9b1e63c1d3fa118c3cb15b510e442c7188d115048863aabd
[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" "9e387c56bc5d8a2a9b1e63c1d3fa118c3cb15b510e442c7188d115048863aabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e387c56bc5d8a2a9b1e63c1d3fa118c3cb15b510e442c7188d115048863aabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e387c56bc5d8a2a9b1e63c1d3fa118c3cb15b510e442c7188d115048863aabd", kill_on_drop: false }`
[INFO] [stdout] 9e387c56bc5d8a2a9b1e63c1d3fa118c3cb15b510e442c7188d115048863aabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 394510fd9634d17a1b9de66ce54131e5143be7046f437f35866c3c6e5adf092e
[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" "394510fd9634d17a1b9de66ce54131e5143be7046f437f35866c3c6e5adf092e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]    Compiling signalo_traits v0.4.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling signalo_pipes v0.5.0
[INFO] [stderr]    Compiling signalo_sources v0.5.1
[INFO] [stderr]    Compiling signalo_sinks v0.5.1
[INFO] [stderr]    Compiling signalo_filters v0.5.1
[INFO] [stdout] error[E0277]: the trait bound `GenericArray<T, N>: Array` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signalo_filters-0.5.1/src/convolve/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub taps: ArrayDeque<GenericArray<T, N>, Wrapping>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Array` is not implemented for `GenericArray<T, N>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arraydeque-0.4.5/src/lib.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct ArrayDeque<A: Array, B: Behavior = Saturating> {
[INFO] [stdout]    |                          ----- required by this bound in `ArrayDeque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `GenericArray<T, N>: Array` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signalo_filters-0.5.1/src/delay.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub taps: ArrayDeque<GenericArray<T, N>, Wrapping>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Array` is not implemented for `GenericArray<T, N>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arraydeque-0.4.5/src/lib.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct ArrayDeque<A: Array, B: Behavior = Saturating> {
[INFO] [stdout]    |                          ----- required by this bound in `ArrayDeque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `GenericArray<T, N>: Array` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signalo_filters-0.5.1/src/mean/mean.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub taps: ArrayDeque<GenericArray<T, N>, Wrapping>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Array` is not implemented for `GenericArray<T, N>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arraydeque-0.4.5/src/lib.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct ArrayDeque<A: Array, B: Behavior = Saturating> {
[INFO] [stdout]    |                          ----- required by this bound in `ArrayDeque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signalo_filters`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "394510fd9634d17a1b9de66ce54131e5143be7046f437f35866c3c6e5adf092e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394510fd9634d17a1b9de66ce54131e5143be7046f437f35866c3c6e5adf092e", kill_on_drop: false }`
[INFO] [stdout] 394510fd9634d17a1b9de66ce54131e5143be7046f437f35866c3c6e5adf092e