[INFO] fetching crate actix-elastic 1.0.7...
[INFO] checking actix-elastic-1.0.7 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate actix-elastic 1.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate actix-elastic 1.0.7 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-elastic 1.0.7
[INFO] finished tweaking crates.io crate actix-elastic 1.0.7
[INFO] tweaked toml for crates.io crate actix-elastic 1.0.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elasticsearch v7.10.0-alpha.1
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8b69cf4716f5bad580d6d58ea989a1a6447cef57c420f5738d2505c07063db8
[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" "d8b69cf4716f5bad580d6d58ea989a1a6447cef57c420f5738d2505c07063db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b69cf4716f5bad580d6d58ea989a1a6447cef57c420f5738d2505c07063db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b69cf4716f5bad580d6d58ea989a1a6447cef57c420f5738d2505c07063db8", kill_on_drop: false }`
[INFO] [stdout] d8b69cf4716f5bad580d6d58ea989a1a6447cef57c420f5738d2505c07063db8
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16f0078062a2d87f65f031642bada544b581ff0da3d63a5e76b49a5e68c4aae2
[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" "16f0078062a2d87f65f031642bada544b581ff0da3d63a5e76b49a5e68c4aae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling elasticsearch v7.10.0-alpha.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]     Checking async-compression v0.3.8
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.5.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking actix v0.10.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking serde_with v1.10.0
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/elasticsearch-7.10.0-alpha.1/src/lib.rs:349:39
[INFO] [stdout]     |
[INFO] [stdout] 349 | #![cfg_attr(RUSTC_IS_NIGHTLY, feature(external_doc))]
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elasticsearch` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "16f0078062a2d87f65f031642bada544b581ff0da3d63a5e76b49a5e68c4aae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f0078062a2d87f65f031642bada544b581ff0da3d63a5e76b49a5e68c4aae2", kill_on_drop: false }`
[INFO] [stdout] 16f0078062a2d87f65f031642bada544b581ff0da3d63a5e76b49a5e68c4aae2