[INFO] fetching crate vertx-rust 0.3.0...
[INFO] documenting vertx-rust-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate vertx-rust 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vertx-rust 0.3.0 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] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] started tweaking crates.io crate vertx-rust 0.3.0
[INFO] finished tweaking crates.io crate vertx-rust 0.3.0
[INFO] tweaked toml for crates.io crate vertx-rust 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate vertx-rust 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 85d7eca9788e2263c04ad357629b268284a1dc68081089252ade4cf8689c9d5f
[INFO] running `Command { std: "docker" "start" "-a" "85d7eca9788e2263c04ad357629b268284a1dc68081089252ade4cf8689c9d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d7eca9788e2263c04ad357629b268284a1dc68081089252ade4cf8689c9d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d7eca9788e2263c04ad357629b268284a1dc68081089252ade4cf8689c9d5f", kill_on_drop: false }`
[INFO] [stdout] 85d7eca9788e2263c04ad357629b268284a1dc68081089252ade4cf8689c9d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3828c35cd033eabdeb117fd341ad4619e7acc60132ccf57701e13ba946d3ade6
[INFO] running `Command { std: "docker" "start" "-a" "3828c35cd033eabdeb117fd341ad4619e7acc60132ccf57701e13ba946d3ade6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.12
[INFO] [stderr]     Checking hypospray v0.1.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.23
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.5
[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/lock_api-0.4.5/src/lib.rs:93:34
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[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 `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3828c35cd033eabdeb117fd341ad4619e7acc60132ccf57701e13ba946d3ade6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3828c35cd033eabdeb117fd341ad4619e7acc60132ccf57701e13ba946d3ade6", kill_on_drop: false }`
[INFO] [stdout] 3828c35cd033eabdeb117fd341ad4619e7acc60132ccf57701e13ba946d3ade6