[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] testing russcam/elasticsearch_rust_example against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusscam%2Felasticsearch_rust_example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/russcam/elasticsearch_rust_example on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] [stderr]   Downloaded reqwest v0.10.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.1
[INFO] [stderr]   Downloaded hyper-tls v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded async-compression v0.2.0
[INFO] [stderr]   Downloaded tokio v0.2.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded tokio-macros v0.2.3
[INFO] [stderr]   Downloaded serde_with_macros v1.0.1
[INFO] [stderr]   Downloaded serde_with v1.3.1
[INFO] [stderr]   Downloaded elasticsearch v7.6.0-alpha.1
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c6e17b2dbc39d0cbeae2b756294f7b786a16921d859df673cc9245f857e8e6
[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" "51c6e17b2dbc39d0cbeae2b756294f7b786a16921d859df673cc9245f857e8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c6e17b2dbc39d0cbeae2b756294f7b786a16921d859df673cc9245f857e8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c6e17b2dbc39d0cbeae2b756294f7b786a16921d859df673cc9245f857e8e6", kill_on_drop: false }`
[INFO] [stdout] 51c6e17b2dbc39d0cbeae2b756294f7b786a16921d859df673cc9245f857e8e6
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf753a32c4269bd5c85e2cabf4d70e6a9bb87bac0d3a03d4f0165d7c4c1e17f
[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" "fcf753a32c4269bd5c85e2cabf4d70e6a9bb87bac0d3a03d4f0165d7c4c1e17f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling dyn-clone v1.0.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling serde_with_macros v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling async-compression v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[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]    Compiling tokio v0.2.8
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling hyper v0.13.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling serde_with v1.3.1
[INFO] [stderr]    Compiling hyper-tls v0.4.0
[INFO] [stderr]    Compiling reqwest v0.10.0
[INFO] [stderr]    Compiling 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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/elasticsearch-7.6.0-alpha.1/src/lib.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | #![feature(external_doc)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elasticsearch` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fcf753a32c4269bd5c85e2cabf4d70e6a9bb87bac0d3a03d4f0165d7c4c1e17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf753a32c4269bd5c85e2cabf4d70e6a9bb87bac0d3a03d4f0165d7c4c1e17f", kill_on_drop: false }`
[INFO] [stdout] fcf753a32c4269bd5c85e2cabf4d70e6a9bb87bac0d3a03d4f0165d7c4c1e17f