[INFO] fetching crate caffe2op-floor 0.1.5-alpha.0...
[INFO] testing caffe2op-floor-0.1.5-alpha.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate caffe2op-floor 0.1.5-alpha.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate caffe2op-floor 0.1.5-alpha.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caffe2op-floor 0.1.5-alpha.0
[INFO] finished tweaking crates.io crate caffe2op-floor 0.1.5-alpha.0
[INFO] tweaked toml for crates.io crate caffe2op-floor 0.1.5-alpha.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49dc92b9408ce79af727683528ca42f611cc8e2bde8f3cf64a68d55bda8c9b5c
[INFO] running `Command { std: "docker" "start" "-a" "49dc92b9408ce79af727683528ca42f611cc8e2bde8f3cf64a68d55bda8c9b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49dc92b9408ce79af727683528ca42f611cc8e2bde8f3cf64a68d55bda8c9b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dc92b9408ce79af727683528ca42f611cc8e2bde8f3cf64a68d55bda8c9b5c", kill_on_drop: false }`
[INFO] [stdout] 49dc92b9408ce79af727683528ca42f611cc8e2bde8f3cf64a68d55bda8c9b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a050ea53823d64f5eb991a07b17ee84254edacf26a510505e07fcf5a1a1d39e
[INFO] running `Command { std: "docker" "start" "-a" "2a050ea53823d64f5eb991a07b17ee84254edacf26a510505e07fcf5a1a1d39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling pyo3-build-config v0.18.3
[INFO] [stderr]    Compiling cfg-expr v0.15.6
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling pyo3-ffi v0.18.3
[INFO] [stderr]    Compiling dircpy v0.3.15
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling clang v2.0.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling wide v0.7.13
[INFO] [stderr]    Compiling opencv-binding-generator v0.56.0
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling cudnn-sys v0.0.3
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling pyo3-macros-backend v0.18.3
[INFO] [stderr]    Compiling pyo3 v0.18.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling test-context-macros v0.1.4
[INFO] [stderr]    Compiling opencv v0.77.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling read_exact v0.0.1
[INFO] [stderr]    Compiling packed v0.4.2
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling pod v0.5.0
[INFO] [stderr]    Compiling cblas v0.4.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling test-context v0.1.4
[INFO] [stderr]    Compiling pyo3-macros v0.18.3
[INFO] [stderr]    Compiling intrusive-collections v0.9.6
[INFO] [stderr]    Compiling caffe2-proto v0.1.5-alpha.0
[INFO] [stderr]    Compiling cudnn v1.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/caffe2-proto-0.1.5-alpha.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling mersenne_twister v1.1.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling aligned v0.4.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[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 `caffe2-proto` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a050ea53823d64f5eb991a07b17ee84254edacf26a510505e07fcf5a1a1d39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a050ea53823d64f5eb991a07b17ee84254edacf26a510505e07fcf5a1a1d39e", kill_on_drop: false }`
[INFO] [stdout] 2a050ea53823d64f5eb991a07b17ee84254edacf26a510505e07fcf5a1a1d39e
[INFO] testing caffe2op-floor-0.1.5-alpha.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate caffe2op-floor 0.1.5-alpha.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate caffe2op-floor 0.1.5-alpha.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caffe2op-floor 0.1.5-alpha.0
[INFO] finished tweaking crates.io crate caffe2op-floor 0.1.5-alpha.0
[INFO] tweaked toml for crates.io crate caffe2op-floor 0.1.5-alpha.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dd519739ca77f955646989ebb75b5914fe7c606f9eea75676763803e59cc3b8
[INFO] running `Command { std: "docker" "start" "-a" "1dd519739ca77f955646989ebb75b5914fe7c606f9eea75676763803e59cc3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd519739ca77f955646989ebb75b5914fe7c606f9eea75676763803e59cc3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd519739ca77f955646989ebb75b5914fe7c606f9eea75676763803e59cc3b8", kill_on_drop: false }`
[INFO] [stdout] 1dd519739ca77f955646989ebb75b5914fe7c606f9eea75676763803e59cc3b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f040d6534f223ef492ce7c97706087ec5d4c75b9f1196d6f39128f6c06ad0a2
[INFO] running `Command { std: "docker" "start" "-a" "0f040d6534f223ef492ce7c97706087ec5d4c75b9f1196d6f39128f6c06ad0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling cfg-expr v0.15.6
[INFO] [stderr]    Compiling pyo3-build-config v0.18.3
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling clang v2.0.0
[INFO] [stderr]    Compiling dircpy v0.3.15
[INFO] [stderr]    Compiling pyo3-ffi v0.18.3
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling opencv-binding-generator v0.56.0
[INFO] [stderr]    Compiling wide v0.7.13
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling cudnn-sys v0.0.3
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling pyo3-macros-backend v0.18.3
[INFO] [stderr]    Compiling pyo3 v0.18.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling test-context-macros v0.1.4
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling read_exact v0.0.1
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling packed v0.4.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling pod v0.5.0
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling cblas v0.4.0
[INFO] [stderr]    Compiling test-context v0.1.4
[INFO] [stderr]    Compiling intrusive-collections v0.9.6
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling cudnn v1.3.1
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling mersenne_twister v1.1.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling aligned v0.4.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling opencv v0.77.0
[INFO] [stderr]    Compiling enhanced_enum v0.2.2
[INFO] [stderr]    Compiling mt19937 v2.0.1
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling stdext v0.3.1
[INFO] [stderr]    Compiling pyo3-macros v0.18.3
[INFO] [stderr]    Compiling caffe2-derive v0.1.5-alpha.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling caffe2-proto v0.1.5-alpha.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/caffe2-proto-0.1.5-alpha.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `caffe2-proto` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0f040d6534f223ef492ce7c97706087ec5d4c75b9f1196d6f39128f6c06ad0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f040d6534f223ef492ce7c97706087ec5d4c75b9f1196d6f39128f6c06ad0a2", kill_on_drop: false }`
[INFO] [stdout] 0f040d6534f223ef492ce7c97706087ec5d4c75b9f1196d6f39128f6c06ad0a2
