[INFO] fetching crate drone 0.14.0... [INFO] documenting drone-0.14.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate drone 0.14.0 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate drone 0.14.0 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] removed /workspace/builds/worker-18/source/rust-toolchain [INFO] started tweaking crates.io crate drone 0.14.0 [INFO] finished tweaking crates.io crate drone 0.14.0 [INFO] tweaked toml for crates.io crate drone 0.14.0 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] crate crates.io crate drone 0.14.0 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] Downloading crates ... [INFO] [stderr] Downloaded thiserror-impl v1.0.24 [INFO] [stderr] Downloaded bstr v0.2.15 [INFO] [stderr] Downloaded quick-error v2.0.0 [INFO] [stderr] Downloaded anyhow v1.0.40 [INFO] [stderr] Downloaded handlebars v3.5.4 [INFO] [stderr] Downloaded regex v1.4.5 [INFO] [stderr] Downloaded crossbeam-utils v0.8.3 [INFO] [stderr] Downloaded signal-hook v0.2.3 [INFO] [stderr] Downloaded redox_syscall v0.2.5 [INFO] [stderr] Downloaded thiserror v1.0.24 [INFO] [stderr] Downloaded syn v1.0.69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] ff1f6f6e221d83d4bf448fbed6278edcfe72df6e54ce1438bfb310578fccf75e [INFO] running `Command { std: "docker" "start" "-a" "ff1f6f6e221d83d4bf448fbed6278edcfe72df6e54ce1438bfb310578fccf75e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff1f6f6e221d83d4bf448fbed6278edcfe72df6e54ce1438bfb310578fccf75e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff1f6f6e221d83d4bf448fbed6278edcfe72df6e54ce1438bfb310578fccf75e", kill_on_drop: false }` [INFO] [stdout] ff1f6f6e221d83d4bf448fbed6278edcfe72df6e54ce1438bfb310578fccf75e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 8fdc181f84ef51c826d18f0726fdc55163c79abf9d37a0ad97b51aa752a6362f [INFO] running `Command { std: "docker" "start" "-a" "8fdc181f84ef51c826d18f0726fdc55163c79abf9d37a0ad97b51aa752a6362f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking quick-error v2.0.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking signal-hook v0.2.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking drone-config v0.14.0 [INFO] [stderr] Checking handlebars v3.5.4 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking drone v0.14.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting drone v0.14.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | #![feature(bool_to_option)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | #![feature(bool_to_option)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | #![feature(exhaustive_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | #![feature(generators)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `drone` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name drone src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=78158021abfa879d -L dependency=/opt/rustwide/target/debug/deps --extern inflector=/opt/rustwide/target/debug/deps/libinflector-5f0722f3ef4794d7.rmeta --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-750966cfa58739ff.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-46a140f6ae8ebcb6.rmeta --extern drone_config=/opt/rustwide/target/debug/deps/libdrone_config-746f3842ac339caf.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-3483107ce9795914.rmeta --extern handlebars=/opt/rustwide/target/debug/deps/libhandlebars-4667e6b41b5ca9f9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-90a80fc0cb0ca22f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1e3c371ab90a7930.rmeta --extern prettytable=/opt/rustwide/target/debug/deps/libprettytable-e526d4338618203f.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-16c53435a1f9b16e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-72f55cd0a56ede5e.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dca438234403e3b4.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-94357a3b8d743cbd.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-4bfc759766795aab.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-26654e0092c638d8.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-66a421b597d617c4.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-484605ae07fc7893.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-aa60abb9fe6cfa5b.rmeta --cap-lints=warn --crate-version 0.14.0` (exit status: 1) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | #![feature(exhaustive_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | #![feature(generators)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | #![feature(bool_to_option)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drone` due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "8fdc181f84ef51c826d18f0726fdc55163c79abf9d37a0ad97b51aa752a6362f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fdc181f84ef51c826d18f0726fdc55163c79abf9d37a0ad97b51aa752a6362f", kill_on_drop: false }` [INFO] [stdout] 8fdc181f84ef51c826d18f0726fdc55163c79abf9d37a0ad97b51aa752a6362f