[INFO] fetching crate libside 0.2.1...
[INFO] documenting libside-0.2.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate libside 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libside 0.2.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libside 0.2.1
[INFO] finished tweaking crates.io crate libside 0.2.1
[INFO] tweaked toml for crates.io crate libside 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate libside 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded gensym v0.1.0
[INFO] [stderr]   Downloaded libside-procmacro v0.1.0
[INFO] [stderr]   Downloaded keccak v0.1.2
[INFO] [stderr]   Downloaded paste v1.0.8
[INFO] [stderr]   Downloaded etc-passwd v0.1.1
[INFO] [stderr]   Downloaded sha3 v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968e4aec975237d612944956a925cf32f28ac79f4e188702d9ca59bcd1647bdd
[INFO] running `Command { std: "docker" "start" "-a" "968e4aec975237d612944956a925cf32f28ac79f4e188702d9ca59bcd1647bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968e4aec975237d612944956a925cf32f28ac79f4e188702d9ca59bcd1647bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968e4aec975237d612944956a925cf32f28ac79f4e188702d9ca59bcd1647bdd", kill_on_drop: false }`
[INFO] [stdout] 968e4aec975237d612944956a925cf32f28ac79f4e188702d9ca59bcd1647bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495e8b7f9aad6cf7648a12115e5c2989a2a7615112d0f31fabce31697b7b9692
[INFO] running `Command { std: "docker" "start" "-a" "495e8b7f9aad6cf7648a12115e5c2989a2a7615112d0f31fabce31697b7b9692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling paste v1.0.8
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking etc-passwd v0.1.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha3 v0.10.2
[INFO] [stderr]    Compiling gensym v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling libside-procmacro v0.1.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]  Documenting libside v0.2.1 (/opt/rustwide/workdir)
[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(generic_associated_types, negative_impls, auto_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `libside`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name libside src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=70b3f85d588412be -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-1b3401b2849c354c.rmeta --extern etc_passwd=/opt/rustwide/target/debug/deps/libetc_passwd-00212f6f8a49291c.rmeta --extern gensym=/opt/rustwide/target/debug/deps/libgensym-7f1a2b0601e27338.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-2bc0162f63f09ead.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern libside_procmacro=/opt/rustwide/target/debug/deps/liblibside_procmacro-abb4de9272d31b7c.so --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-ff5a4d00f3a75fbb.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-4aa7cb6b9157ed6a.so --extern rand=/opt/rustwide/target/debug/deps/librand-0566e8208fdc4987.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-238f465ef0b00461.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6a1734e4cc41afaa.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-9be412597a8c33a1.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-fb85de8c07ef3067.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-5e15c67ba3d43bcd.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-faccaf213f4d7b86.rmeta --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-da9f5970cffcacf4.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "495e8b7f9aad6cf7648a12115e5c2989a2a7615112d0f31fabce31697b7b9692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495e8b7f9aad6cf7648a12115e5c2989a2a7615112d0f31fabce31697b7b9692", kill_on_drop: false }`
[INFO] [stdout] 495e8b7f9aad6cf7648a12115e5c2989a2a7615112d0f31fabce31697b7b9692
