[INFO] fetching crate caffe2op-multiclass 0.1.5-alpha.0...
[INFO] documenting caffe2op-multiclass-0.1.5-alpha.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate caffe2op-multiclass 0.1.5-alpha.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate caffe2op-multiclass 0.1.5-alpha.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caffe2op-multiclass 0.1.5-alpha.0
[INFO] finished tweaking crates.io crate caffe2op-multiclass 0.1.5-alpha.0
[INFO] tweaked toml for crates.io crate caffe2op-multiclass 0.1.5-alpha.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5dbe2e75ad12b6cf271befd9a0991d59c0887d7a9412654f1c917b6106249d4
[INFO] running `Command { std: "docker" "start" "-a" "d5dbe2e75ad12b6cf271befd9a0991d59c0887d7a9412654f1c917b6106249d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5dbe2e75ad12b6cf271befd9a0991d59c0887d7a9412654f1c917b6106249d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5dbe2e75ad12b6cf271befd9a0991d59c0887d7a9412654f1c917b6106249d4", kill_on_drop: false }`
[INFO] [stdout] d5dbe2e75ad12b6cf271befd9a0991d59c0887d7a9412654f1c917b6106249d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c1e861c5ae5e6f06cdc0f7ee1e5de984261aeafcf86cfea1034939abb40bd8
[INFO] running `Command { std: "docker" "start" "-a" "64c1e861c5ae5e6f06cdc0f7ee1e5de984261aeafcf86cfea1034939abb40bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling opencv-binding-generator v0.56.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking aligned v0.4.1
[INFO] [stderr]     Checking caffe2-proto v0.1.5-alpha.0
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking enhanced_enum v0.2.2
[INFO] [stderr]     Checking mt19937 v2.0.1
[INFO] [stderr]     Checking intrusive-collections v0.9.5
[INFO] [stderr]    Compiling caffe2-derive v0.1.5-alpha.0
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking stdext v0.3.1
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "64c1e861c5ae5e6f06cdc0f7ee1e5de984261aeafcf86cfea1034939abb40bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c1e861c5ae5e6f06cdc0f7ee1e5de984261aeafcf86cfea1034939abb40bd8", kill_on_drop: false }`
[INFO] [stdout] 64c1e861c5ae5e6f06cdc0f7ee1e5de984261aeafcf86cfea1034939abb40bd8
