[INFO] fetching crate guff-sharefiles 0.1.11...
[INFO] documenting guff-sharefiles-0.1.11 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate guff-sharefiles 0.1.11 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate guff-sharefiles 0.1.11 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guff-sharefiles 0.1.11
[INFO] finished tweaking crates.io crate guff-sharefiles 0.1.11
[INFO] tweaked toml for crates.io crate guff-sharefiles 0.1.11 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate guff-sharefiles 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8773a0e353319b050b1061c23d9af0c0300822f1d3658ab6f670a6bf69d2a1b
[INFO] running `Command { std: "docker" "start" "-a" "e8773a0e353319b050b1061c23d9af0c0300822f1d3658ab6f670a6bf69d2a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8773a0e353319b050b1061c23d9af0c0300822f1d3658ab6f670a6bf69d2a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8773a0e353319b050b1061c23d9af0c0300822f1d3658ab6f670a6bf69d2a1b", kill_on_drop: false }`
[INFO] [stdout] e8773a0e353319b050b1061c23d9af0c0300822f1d3658ab6f670a6bf69d2a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b92d18070064fc8d5a683cef2dd71d9beb0b721f3badfb95e43f7d9ae5c473d
[INFO] running `Command { std: "docker" "start" "-a" "9b92d18070064fc8d5a683cef2dd71d9beb0b721f3badfb95e43f7d9ae5c473d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking guff v0.1.7
[INFO] [stderr]     Checking guff-matrix v0.1.12
[INFO] [stderr]     Checking guff-ida v0.1.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/guff-matrix-0.1.12/src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(stdsimd)]
[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 `guff-matrix` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9b92d18070064fc8d5a683cef2dd71d9beb0b721f3badfb95e43f7d9ae5c473d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b92d18070064fc8d5a683cef2dd71d9beb0b721f3badfb95e43f7d9ae5c473d", kill_on_drop: false }`
[INFO] [stdout] 9b92d18070064fc8d5a683cef2dd71d9beb0b721f3badfb95e43f7d9ae5c473d