[INFO] fetching crate mlua 0.8.0-beta.4...
[INFO] documenting mlua-0.8.0-beta.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mlua 0.8.0-beta.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mlua 0.8.0-beta.4 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 mlua 0.8.0-beta.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mlua 0.8.0-beta.4
[INFO] tweaked toml for crates.io crate mlua 0.8.0-beta.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate mlua 0.8.0-beta.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 47c800cee9583bbdef8224e7af37fdc5e2b018398f2fe046eb6ad2ea927896fe
[INFO] running `Command { std: "docker" "start" "-a" "47c800cee9583bbdef8224e7af37fdc5e2b018398f2fe046eb6ad2ea927896fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c800cee9583bbdef8224e7af37fdc5e2b018398f2fe046eb6ad2ea927896fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c800cee9583bbdef8224e7af37fdc5e2b018398f2fe046eb6ad2ea927896fe", kill_on_drop: false }`
[INFO] [stdout] 47c800cee9583bbdef8224e7af37fdc5e2b018398f2fe046eb6ad2ea927896fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0525314c14fa2dbef474f0588f04776d9210794a6ec254f8582b44bf54a363a9
[INFO] running `Command { std: "docker" "start" "-a" "0525314c14fa2dbef474f0588f04776d9210794a6ec254f8582b44bf54a363a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling mlua v0.8.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must enable one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau
[INFO] [stdout]   --> build/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     compile_error!(
[INFO] [stdout] 53 | |         "You must enable one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
[INFO] [stdout] 54 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlua` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0525314c14fa2dbef474f0588f04776d9210794a6ec254f8582b44bf54a363a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0525314c14fa2dbef474f0588f04776d9210794a6ec254f8582b44bf54a363a9", kill_on_drop: false }`
[INFO] [stdout] 0525314c14fa2dbef474f0588f04776d9210794a6ec254f8582b44bf54a363a9