[INFO] fetching crate hyperpom 0.1.2...
[INFO] documenting hyperpom-0.1.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate hyperpom 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hyperpom 0.1.2 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 hyperpom 0.1.2
[INFO] finished tweaking crates.io crate hyperpom 0.1.2
[INFO] tweaked toml for crates.io crate hyperpom 0.1.2 written to /workspace/builds/worker-6-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded applevisor v0.1.2
[INFO] [stderr]   Downloaded keystone-engine v0.1.0
[INFO] [stderr]   Downloaded applevisor-sys v0.1.1
[INFO] [stderr]   Downloaded rhexdump v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e9951991fb1618eb8c73e7692e4cbdaaf8b92f42741823fa402184a8b28c9503
[INFO] running `Command { std: "docker" "start" "-a" "e9951991fb1618eb8c73e7692e4cbdaaf8b92f42741823fa402184a8b28c9503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9951991fb1618eb8c73e7692e4cbdaaf8b92f42741823fa402184a8b28c9503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9951991fb1618eb8c73e7692e4cbdaaf8b92f42741823fa402184a8b28c9503", kill_on_drop: false }`
[INFO] [stdout] e9951991fb1618eb8c73e7692e4cbdaaf8b92f42741823fa402184a8b28c9503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34a1dec7ffbe2bb8ed35bdfcc23c846a983fc1b2e8b2dc1afa202f27d640cd7a
[INFO] running `Command { std: "docker" "start" "-a" "34a1dec7ffbe2bb8ed35bdfcc23c846a983fc1b2e8b2dc1afa202f27d640cd7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking rhexdump v0.1.1
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking applevisor-sys v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[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/applevisor-sys-0.1.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(portable_simd)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/applevisor-sys-0.1.1/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(simd_ffi)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/applevisor-sys-0.1.1/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(portable_simd)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `applevisor-sys` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "34a1dec7ffbe2bb8ed35bdfcc23c846a983fc1b2e8b2dc1afa202f27d640cd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a1dec7ffbe2bb8ed35bdfcc23c846a983fc1b2e8b2dc1afa202f27d640cd7a", kill_on_drop: false }`
[INFO] [stdout] 34a1dec7ffbe2bb8ed35bdfcc23c846a983fc1b2e8b2dc1afa202f27d640cd7a
