[INFO] fetching crate buildkit-frontend 0.3.0... [INFO] documenting buildkit-frontend-0.3.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate buildkit-frontend 0.3.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate buildkit-frontend 0.3.0 on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate buildkit-frontend 0.3.0 [INFO] finished tweaking crates.io crate buildkit-frontend 0.3.0 [INFO] tweaked toml for crates.io crate buildkit-frontend 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate buildkit-frontend 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded buildkit-llb v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 1ae59b441f36302b76df13c296471c1fa07fced7212d55794ef4160eab53e6ba [INFO] running `Command { std: "docker" "start" "-a" "1ae59b441f36302b76df13c296471c1fa07fced7212d55794ef4160eab53e6ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ae59b441f36302b76df13c296471c1fa07fced7212d55794ef4160eab53e6ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ae59b441f36302b76df13c296471c1fa07fced7212d55794ef4160eab53e6ba", kill_on_drop: false }` [INFO] [stdout] 1ae59b441f36302b76df13c296471c1fa07fced7212d55794ef4160eab53e6ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 0bccff7589a834f0bbeb97047a1e8a0c39b1ae05ef7e93e572a07188efc7c90c [INFO] running `Command { std: "docker" "start" "-a" "0bccff7589a834f0bbeb97047a1e8a0c39b1ae05ef7e93e572a07188efc7c90c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Checking tower-layer v0.3.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling multimap v0.8.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.16 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling which v3.1.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling backtrace-sys v0.1.33 [INFO] [stderr] Compiling petgraph v0.5.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling async-trait v0.1.24 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking tracing v0.1.13 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking tower-discover v0.3.0 [INFO] [stderr] Checking tower-load-shed v0.3.0 [INFO] [stderr] Checking tracing-futures v0.2.3 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Compiling prost v0.6.1 [INFO] [stderr] Checking prost-types v0.6.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tower-buffer v0.3.0 [INFO] [stderr] Checking tower-load v0.3.0 [INFO] [stderr] Checking tower-timeout v0.3.0 [INFO] [stderr] Checking tower-make v0.3.0 [INFO] [stderr] Checking tower-limit v0.3.0 [INFO] [stderr] Checking tower-retry v0.3.0 [INFO] [stderr] Checking tower-util v0.3.0 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking tower-ready-cache v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking tower-balance v0.3.0 [INFO] [stderr] Compiling tonic-build v0.1.1 [INFO] [stderr] Checking tower v0.3.1 [INFO] [stderr] Compiling buildkit-proto v0.2.0 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking tonic v0.1.1 [INFO] [stderr] Checking buildkit-llb v0.2.0 [INFO] [stderr] Documenting buildkit-frontend v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | /// https://godoc.org/google.golang.org/grpc/codes#Code [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(rustdoc::bare_urls)]` implied by `#[warn(warnings)]` [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 55s [INFO] running `Command { std: "docker" "inspect" "0bccff7589a834f0bbeb97047a1e8a0c39b1ae05ef7e93e572a07188efc7c90c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bccff7589a834f0bbeb97047a1e8a0c39b1ae05ef7e93e572a07188efc7c90c", kill_on_drop: false }` [INFO] [stdout] 0bccff7589a834f0bbeb97047a1e8a0c39b1ae05ef7e93e572a07188efc7c90c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 10545d1782e740e4a51d80a6284ef40eeb16f1c214fe4f7f1acfaa772e429b05 [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" "10545d1782e740e4a51d80a6284ef40eeb16f1c214fe4f7f1acfaa772e429b05", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Checking tower-layer v0.3.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling multimap v0.8.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking regex-syntax v0.6.16 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling which v3.1.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling backtrace-sys v0.1.33 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling petgraph v0.5.0 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling async-trait v0.1.24 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking tracing v0.1.13 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Compiling prost v0.6.1 [INFO] [stderr] Checking tower-discover v0.3.0 [INFO] [stderr] Checking tower-load-shed v0.3.0 [INFO] [stderr] Checking tracing-futures v0.2.3 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Compiling prost-types v0.6.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tower-make v0.3.0 [INFO] [stderr] Checking tower-load v0.3.0 [INFO] [stderr] Checking tower-buffer v0.3.0 [INFO] [stderr] Checking tower-retry v0.3.0 [INFO] [stderr] Checking tower-timeout v0.3.0 [INFO] [stderr] Checking tower-limit v0.3.0 [INFO] [stderr] Compiling tonic-build v0.1.1 [INFO] [stderr] Checking tower-util v0.3.0 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking tower-ready-cache v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking tower-balance v0.3.0 [INFO] [stderr] Checking tower v0.3.1 [INFO] [stderr] Compiling buildkit-proto v0.2.0 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking tonic v0.1.1 [INFO] [stderr] Checking buildkit-llb v0.2.0 [INFO] [stderr] Documenting buildkit-frontend v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this URL is not a hyperlink [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | /// https://godoc.org/google.golang.org/grpc/codes#Code [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(rustdoc::bare_urls)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `buildkit-frontend` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name buildkit_frontend src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=c8d00a19c91fb601 -L dependency=/opt/rustwide/target/debug/deps --extern buildkit_llb=/opt/rustwide/target/debug/deps/libbuildkit_llb-e842c3ee729a42cc.rmeta --extern buildkit_proto=/opt/rustwide/target/debug/deps/libbuildkit_proto-1585e7753cc48bfd.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-4f41d1b0f3c42351.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-aa30af397871b50d.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-44f1f8c0deb4d550.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-290ae0b33bf27565.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-4d4ec199c60b5fbb.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f42393231c370089.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f115c091d543e6ab.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-b9997981f0e43b17.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-38d254f744595f6b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f7af717be228fc8f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9027163c9ef0795e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6d03c4930579b8d9.rmeta --extern tonic=/opt/rustwide/target/debug/deps/libtonic-b17bc0a54516ab6d.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-88cbb24e9fa41e42.rmeta --extern-html-root-url 'buildkit_llb=https://docs.rs/buildkit-llb/0.2.0/' --extern-html-root-url 'buildkit_proto=https://docs.rs/buildkit-proto/0.2.0/' --extern-html-root-url 'bytes=https://docs.rs/bytes/0.5.4/' --extern-html-root-url 'chrono=https://docs.rs/chrono/0.4.10/' --extern-html-root-url 'either=https://docs.rs/either/1.5.3/' --extern-html-root-url 'failure=https://docs.rs/failure/0.1.6/' --extern-html-root-url 'futures=https://docs.rs/futures/0.3.4/' --extern-html-root-url 'libc=https://docs.rs/libc/0.2.67/' --extern-html-root-url 'log=https://docs.rs/log/0.4.8/' --extern-html-root-url 'mio=https://docs.rs/mio/0.6.21/' --extern-html-root-url 'pin_project=https://docs.rs/pin-project/0.4.8/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.104/' --extern-html-root-url 'serde_json=https://docs.rs/serde_json/1.0.48/' --extern-html-root-url 'tokio=https://docs.rs/tokio/0.2.13/' --extern-html-root-url 'tonic=https://docs.rs/tonic/0.1.1/' --extern-html-root-url 'tower=https://docs.rs/tower/0.3.1/' -Zunstable-options --crate-version 0.3.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "10545d1782e740e4a51d80a6284ef40eeb16f1c214fe4f7f1acfaa772e429b05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10545d1782e740e4a51d80a6284ef40eeb16f1c214fe4f7f1acfaa772e429b05", kill_on_drop: false }` [INFO] [stdout] 10545d1782e740e4a51d80a6284ef40eeb16f1c214fe4f7f1acfaa772e429b05