[INFO] fetching crate elasticsearch_exporter 0.21.0...
[INFO] testing elasticsearch_exporter-0.21.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate elasticsearch_exporter 0.21.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate elasticsearch_exporter 0.21.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elasticsearch_exporter 0.21.0
[INFO] finished tweaking crates.io crate elasticsearch_exporter 0.21.0
[INFO] tweaked toml for crates.io crate elasticsearch_exporter 0.21.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate elasticsearch_exporter 0.21.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6e3da8899355daedc5a8170c829cd15a1215f3f4cb91bb3eeb5836ed025f394
[INFO] running `Command { std: "docker" "start" "-a" "e6e3da8899355daedc5a8170c829cd15a1215f3f4cb91bb3eeb5836ed025f394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e3da8899355daedc5a8170c829cd15a1215f3f4cb91bb3eeb5836ed025f394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e3da8899355daedc5a8170c829cd15a1215f3f4cb91bb3eeb5836ed025f394", kill_on_drop: false }`
[INFO] [stdout] e6e3da8899355daedc5a8170c829cd15a1215f3f4cb91bb3eeb5836ed025f394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b677de2bb1d7aac0ad728b621661c19b97ad6bfdc8907d71981ddb840ddf68f3
[INFO] running `Command { std: "docker" "start" "-a" "b677de2bb1d7aac0ad728b621661c19b97ad6bfdc8907d71981ddb840ddf68f3", 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] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling elasticsearch v7.14.0-alpha.1
[INFO] [stderr]    Compiling byte-unit v4.0.13
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling procfs v0.10.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling rustls v0.20.2
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.1
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]    Compiling clap v3.0.0-rc.1
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-rustls v0.23.1
[INFO] [stderr]    Compiling async-compression v0.3.8
[INFO] [stderr]    Compiling h2 v0.3.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling serde_with v1.11.0
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling hyper v0.14.15
[INFO] [stderr]    Compiling hyper-rustls v0.23.0
[INFO] [stderr]    Compiling reqwest v0.11.7
[INFO] [stderr]    Compiling elasticsearch_exporter v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_drain_filter)]
[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 `elasticsearch_exporter` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b677de2bb1d7aac0ad728b621661c19b97ad6bfdc8907d71981ddb840ddf68f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b677de2bb1d7aac0ad728b621661c19b97ad6bfdc8907d71981ddb840ddf68f3", kill_on_drop: false }`
[INFO] [stdout] b677de2bb1d7aac0ad728b621661c19b97ad6bfdc8907d71981ddb840ddf68f3