[INFO] fetching crate keel 0.0.1... [INFO] documenting keel-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate keel 0.0.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate keel 0.0.1 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate keel 0.0.1 [INFO] removed 0 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 /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded k8s-openapi v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a1c8c2346971ae9a69fb45950cf0afdc6090c0eebedfad13a00d74b3c0adf3b0 [INFO] running `Command { std: "docker" "start" "-a" "a1c8c2346971ae9a69fb45950cf0afdc6090c0eebedfad13a00d74b3c0adf3b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1c8c2346971ae9a69fb45950cf0afdc6090c0eebedfad13a00d74b3c0adf3b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1c8c2346971ae9a69fb45950cf0afdc6090c0eebedfad13a00d74b3c0adf3b0", kill_on_drop: false }` [INFO] [stdout] a1c8c2346971ae9a69fb45950cf0afdc6090c0eebedfad13a00d74b3c0adf3b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f43dc84f1322b0cbcb0d2887701729360ae9469d8c2a8b8be91dac47b477bbc [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" "1f43dc84f1322b0cbcb0d2887701729360ae9469d8c2a8b8be91dac47b477bbc", kill_on_drop: false }` [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] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Documenting keel v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(custom_attribute)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(uniform_paths)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(custom_attribute)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 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 document `keel`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name keel src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-3e3f2557dd2e5666.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-d4d3a6721d90c6b5.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-da9d4d29378ffeff.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-56dd397d7044e9d2.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f6a782863e1804d0.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-dce133bae26c63fa.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f7578509d9b99613.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-4d3f5249f0029cd2.rmeta --extern k8s_openapi=/opt/rustwide/target/debug/deps/libk8s_openapi-53b9c147d362f23d.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-95a9d57e67df36ac.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4687a88fe8b3e377.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-d93c6407fe47564b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ec5e695d7e4b5284.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3a89c57880b62507.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7b195ede6b83e119.rmeta --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-32b05e9f56f7c766.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-f68f620e80df39da.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1e6eab7bf9ead36e.rmeta --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-641b6c8b08053279.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-97775df2be7e619e.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "1f43dc84f1322b0cbcb0d2887701729360ae9469d8c2a8b8be91dac47b477bbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f43dc84f1322b0cbcb0d2887701729360ae9469d8c2a8b8be91dac47b477bbc", kill_on_drop: false }` [INFO] [stdout] 1f43dc84f1322b0cbcb0d2887701729360ae9469d8c2a8b8be91dac47b477bbc