[INFO] fetching crate tari_key_manager 0.8.1...
[INFO] documenting tari_key_manager-0.8.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate tari_key_manager 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tari_key_manager 0.8.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_key_manager 0.8.1
[INFO] finished tweaking crates.io crate tari_key_manager 0.8.1
[INFO] tweaked toml for crates.io crate tari_key_manager 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 713d9fc02f5c76a2c48a89e56cf9998027f02f598c1f995504c88ce87a56a0e2
[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" "713d9fc02f5c76a2c48a89e56cf9998027f02f598c1f995504c88ce87a56a0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713d9fc02f5c76a2c48a89e56cf9998027f02f598c1f995504c88ce87a56a0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713d9fc02f5c76a2c48a89e56cf9998027f02f598c1f995504c88ce87a56a0e2", kill_on_drop: false }`
[INFO] [stdout] 713d9fc02f5c76a2c48a89e56cf9998027f02f598c1f995504c88ce87a56a0e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6849966ccc46cc0a1ec840de13b5254ca08b7a3bbc3e880eb3a881d29bb148f2
[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" "6849966ccc46cc0a1ec840de13b5254ca08b7a3bbc3e880eb3a881d29bb148f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling cbindgen v0.17.0
[INFO] [stderr]    Compiling packed_simd_2 v0.3.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking newtype-ops v0.1.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking k12 v0.1.0
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking merlin v2.0.1
[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/packed_simd_2-0.3.5/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     const_generics,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | |     llvm_asm
[INFO] [stdout] 228 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking tari_utilities v0.3.0
[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 `packed_simd_2`
[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" "6849966ccc46cc0a1ec840de13b5254ca08b7a3bbc3e880eb3a881d29bb148f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6849966ccc46cc0a1ec840de13b5254ca08b7a3bbc3e880eb3a881d29bb148f2", kill_on_drop: false }`
[INFO] [stdout] 6849966ccc46cc0a1ec840de13b5254ca08b7a3bbc3e880eb3a881d29bb148f2
