[INFO] cloning repository https://github.com/russcam/elasticsearch_rust_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/russcam/elasticsearch_rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusscam%2Felasticsearch_rust_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusscam%2Felasticsearch_rust_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9f5e88f0ce46adf16dab0cf026b0fb8fdf20e09
[INFO] checking russcam/elasticsearch_rust_example against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusscam%2Felasticsearch_rust_example" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/russcam/elasticsearch_rust_example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/russcam/elasticsearch_rust_example
[INFO] finished tweaking git repo https://github.com/russcam/elasticsearch_rust_example
[INFO] tweaked toml for git repo https://github.com/russcam/elasticsearch_rust_example written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/russcam/elasticsearch_rust_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-tls v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] [stderr]   Downloaded reqwest v0.10.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded dyn-clone v1.0.1
[INFO] [stderr]   Downloaded serde_with_macros v1.0.1
[INFO] [stderr]   Downloaded serde_with v1.3.1
[INFO] [stderr]   Downloaded async-compression v0.2.0
[INFO] [stderr]   Downloaded elasticsearch v7.6.0-alpha.1
[INFO] [stderr]   Downloaded tokio v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6040cfb02bad8e8bf3a2f19ab626bc1df4bee4c1139ef0987b52da373e6eebed
[INFO] running `Command { std: "docker" "start" "-a" "6040cfb02bad8e8bf3a2f19ab626bc1df4bee4c1139ef0987b52da373e6eebed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6040cfb02bad8e8bf3a2f19ab626bc1df4bee4c1139ef0987b52da373e6eebed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6040cfb02bad8e8bf3a2f19ab626bc1df4bee4c1139ef0987b52da373e6eebed", kill_on_drop: false }`
[INFO] [stdout] 6040cfb02bad8e8bf3a2f19ab626bc1df4bee4c1139ef0987b52da373e6eebed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66385512bb5d2715af2f0df4f2efc0e0cd2016d1a3bb60af17f9f8f63389422
[INFO] running `Command { std: "docker" "start" "-a" "e66385512bb5d2715af2f0df4f2efc0e0cd2016d1a3bb60af17f9f8f63389422", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking async-compression v0.2.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling serde_with_macros v1.0.1
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.8
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_with v1.3.1
[INFO] [stderr]     Checking reqwest v0.10.0
[INFO] [stderr]     Checking elasticsearch v7.6.0-alpha.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/elasticsearch-7.6.0-alpha.1/src/lib.rs:298:12
[INFO] [stdout]     |
[INFO] [stdout] 298 | #![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" "e66385512bb5d2715af2f0df4f2efc0e0cd2016d1a3bb60af17f9f8f63389422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66385512bb5d2715af2f0df4f2efc0e0cd2016d1a3bb60af17f9f8f63389422", kill_on_drop: false }`
[INFO] [stdout] e66385512bb5d2715af2f0df4f2efc0e0cd2016d1a3bb60af17f9f8f63389422