[INFO] fetching crate bot-rs-core 0.4.4...
[INFO] documenting bot-rs-core-0.4.4 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate bot-rs-core 0.4.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bot-rs-core 0.4.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bot-rs-core 0.4.4
[INFO] finished tweaking crates.io crate bot-rs-core 0.4.4
[INFO] tweaked toml for crates.io crate bot-rs-core 0.4.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 397b49b69e70b650277b4f01b3782fddcf87f7c959d8e6f53ed05a0657ee1aec
[INFO] running `Command { std: "docker" "start" "-a" "397b49b69e70b650277b4f01b3782fddcf87f7c959d8e6f53ed05a0657ee1aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397b49b69e70b650277b4f01b3782fddcf87f7c959d8e6f53ed05a0657ee1aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397b49b69e70b650277b4f01b3782fddcf87f7c959d8e6f53ed05a0657ee1aec", kill_on_drop: false }`
[INFO] [stdout] 397b49b69e70b650277b4f01b3782fddcf87f7c959d8e6f53ed05a0657ee1aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c59a1c41f9e400062d83e0010ab5b203b3e057a4267521950e10f654af0971
[INFO] running `Command { std: "docker" "start" "-a" "14c59a1c41f9e400062d83e0010ab5b203b3e057a4267521950e10f654af0971", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling bot-rs-core v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking irc-rust v0.3.3
[INFO] [stderr]  Documenting bot-rs-core v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro, optin_builtin_traits, negative_impls)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/command_access.rs:5:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/profile.rs:5:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | use serde::export::fmt::Display;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/profile.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout] 6   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro, optin_builtin_traits, negative_impls)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> src/plugin.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub auto trait NotInvocErr {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bot-rs-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name bot_rs_core 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 async_trait=/opt/rustwide/target/debug/deps/libasync_trait-a657f50f2ab78a09.so --extern dirs_next=/opt/rustwide/target/debug/deps/libdirs_next-0d91d2901903adcf.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3e6b16a4091d1ad6.rmeta --extern irc_rust=/opt/rustwide/target/debug/deps/libirc_rust-2d4f5706fdcd8aac.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-436bb1e630c71493.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-325d2e3c8b888de3.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-ca70b6517d3ae4d7.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-439732ba5f207e6a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-46bf5b535d6b6b09.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-572e208eb3f3af16.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c5a2123a3b76264.rmeta --cap-lints=warn --crate-version 0.4.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "14c59a1c41f9e400062d83e0010ab5b203b3e057a4267521950e10f654af0971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c59a1c41f9e400062d83e0010ab5b203b3e057a4267521950e10f654af0971", kill_on_drop: false }`
[INFO] [stdout] 14c59a1c41f9e400062d83e0010ab5b203b3e057a4267521950e10f654af0971
