[INFO] fetching crate snitch 0.1.3...
[INFO] documenting snitch-0.1.3 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate snitch 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate snitch 0.1.3 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 snitch 0.1.3
[INFO] finished tweaking crates.io crate snitch 0.1.3
[INFO] tweaked toml for crates.io crate snitch 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate snitch 0.1.3 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 crossbeam-utils v0.8.9
[INFO] [stderr]   Downloaded clap_derive v3.2.5
[INFO] [stderr]   Downloaded serde_yaml v0.8.24
[INFO] [stderr]   Downloaded email-encoding v0.1.2
[INFO] [stderr]   Downloaded email_address v0.2.1
[INFO] [stderr]   Downloaded slack-hook v0.8.0
[INFO] [stderr]   Downloaded indexmap v1.9.0
[INFO] [stderr]   Downloaded lettre v0.10.0-rc.7
[INFO] [stderr]   Downloaded clap v3.2.5
[INFO] [stderr]   Downloaded ring v0.17.0-alpha.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 087cbe3616ab33aad5f783cd465b3c5b1a58366c207e70cb807a4d634b192e06
[INFO] running `Command { std: "docker" "start" "-a" "087cbe3616ab33aad5f783cd465b3c5b1a58366c207e70cb807a4d634b192e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087cbe3616ab33aad5f783cd465b3c5b1a58366c207e70cb807a4d634b192e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087cbe3616ab33aad5f783cd465b3c5b1a58366c207e70cb807a4d634b192e06", kill_on_drop: false }`
[INFO] [stdout] 087cbe3616ab33aad5f783cd465b3c5b1a58366c207e70cb807a4d634b192e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 694d1a002ff3bf7c9398dcbca8c1f3c12a5295dc31a92576ace8c364cfb11f10
[INFO] running `Command { std: "docker" "start" "-a" "694d1a002ff3bf7c9398dcbca8c1f3c12a5295dc31a92576ace8c364cfb11f10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
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[INFO] [stderr]    Compiling serde v1.0.137
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[INFO] [stderr]     Checking smallvec v0.6.14
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[INFO] [stderr]    Compiling snitch v0.1.3 (/opt/rustwide/workdir)
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[INFO] [stderr]     Checking regex v1.5.6
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking lettre v0.10.0-rc.7
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking reqwest v0.9.24
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]  Documenting snitch v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 `snitch`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name snitch src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=1bcc05795c541f65 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9a520fdd64a926c6.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-8d49ec04c21e16f7.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-2bbd3cda2d8b8160.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ba9c72473c7cf223.rmeta --extern hostname=/opt/rustwide/target/debug/deps/libhostname-6e058f23bf07cae8.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-08643ceab4c61b97.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern lettre=/opt/rustwide/target/debug/deps/liblettre-5cb23370ae1a3ac9.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-83c76fb4ff61e17e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7ed7b75e0ef94611.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-93fc2ae9a6e908a1.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-7c0e9018e455045d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-77d96e9cd83bf852.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-a2d034ce65c17608.rmeta --extern slack_hook=/opt/rustwide/target/debug/deps/libslack_hook-6d8baf406bbca5b1.rmeta --extern sled=/opt/rustwide/target/debug/deps/libsled-ccd9f76cb8fd8d3a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bdf186150785f872.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-e7b80d88e2d14cb7.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "694d1a002ff3bf7c9398dcbca8c1f3c12a5295dc31a92576ace8c364cfb11f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694d1a002ff3bf7c9398dcbca8c1f3c12a5295dc31a92576ace8c364cfb11f10", kill_on_drop: false }`
[INFO] [stdout] 694d1a002ff3bf7c9398dcbca8c1f3c12a5295dc31a92576ace8c364cfb11f10
