[INFO] crate keel 0.0.1 is already in cache
[INFO] testing keel-0.0.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate keel 0.0.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate keel 0.0.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate keel 0.0.1
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate keel 0.0.1
[INFO] tweaked toml for crates.io crate keel 0.0.1 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 76c470cf8a6e9df7d04b69ffb67aeefb88e6a5a546165dafab3050f4f1cf99af
[INFO] running `"docker" "start" "-a" "76c470cf8a6e9df7d04b69ffb67aeefb88e6a5a546165dafab3050f4f1cf99af"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling k8s-openapi v0.2.0
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling keel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(custom_attribute)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/mod.rs:172:26
[INFO] [stderr]     |
[INFO] [stderr] 172 |     request_factory: Box<Fn(RequestOpts) -> K8sRequest<B> + Send>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RequestOpts) -> K8sRequest<B> + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/mod.rs:424:30
[INFO] [stderr]     |
[INFO] [stderr] 424 |         request_factory: Box<Fn(RequestOpts) -> K8sRequest<B> + Send>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RequestOpts) -> K8sRequest<B> + Send`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `keel`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `k8s-openapi`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name k8s_openapi /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/k8s-openapi-0.2.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="v1_11"' -C metadata=02e796ff7fcf4a69 -C extra-filename=-02e796ff7fcf4a69 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-b6fa2a571923c001.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-36999be1ca704f51.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-12335e7e3374b47d.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-ad908c8c39593c93.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-99bda1236d933191.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d23617778eb43382.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-a72a174ec3a5c69b.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "76c470cf8a6e9df7d04b69ffb67aeefb88e6a5a546165dafab3050f4f1cf99af"`
[INFO] running `"docker" "rm" "-f" "76c470cf8a6e9df7d04b69ffb67aeefb88e6a5a546165dafab3050f4f1cf99af"`
[INFO] [stdout] 76c470cf8a6e9df7d04b69ffb67aeefb88e6a5a546165dafab3050f4f1cf99af