[INFO] fetching crate oasis-types 0.4.0...
[INFO] documenting oasis-types-0.4.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate oasis-types 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate oasis-types 0.4.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oasis-types 0.4.0
[INFO] finished tweaking crates.io crate oasis-types 0.4.0
[INFO] tweaked toml for crates.io crate oasis-types 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcea2703286efd9fad9c91478f295b9c195c8b0a2a11c35b11299b543fe3ffe
[INFO] running `Command { std: "docker" "start" "-a" "9fcea2703286efd9fad9c91478f295b9c195c8b0a2a11c35b11299b543fe3ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcea2703286efd9fad9c91478f295b9c195c8b0a2a11c35b11299b543fe3ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcea2703286efd9fad9c91478f295b9c195c8b0a2a11c35b11299b543fe3ffe", kill_on_drop: false }`
[INFO] [stdout] 9fcea2703286efd9fad9c91478f295b9c195c8b0a2a11c35b11299b543fe3ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b0b2354aa8848fd2ecfc4b84634f5e277c9bf1cec8c982a79f17ba00f17a91
[INFO] running `Command { std: "docker" "start" "-a" "c3b0b2354aa8848fd2ecfc4b84634f5e277c9bf1cec8c982a79f17ba00f17a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]     Checking oasis-borsh v0.2.12
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]  Documenting oasis-types v0.4.0 (/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(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_exhaustive` has been stable since `1.40.0` 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 `oasis-types`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name oasis_types src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d5e85732a4c2ccbf -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-fd85f3ee78419db7.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-c97b92f9c23968d1.so --extern hex=/opt/rustwide/target/debug/deps/libhex-154257be2cdb5bdc.rmeta --extern oasis_borsh=/opt/rustwide/target/debug/deps/liboasis_borsh-2b1ebe77828fdd7f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-cdbd51313957a31a.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c3b0b2354aa8848fd2ecfc4b84634f5e277c9bf1cec8c982a79f17ba00f17a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b0b2354aa8848fd2ecfc4b84634f5e277c9bf1cec8c982a79f17ba00f17a91", kill_on_drop: false }`
[INFO] [stdout] c3b0b2354aa8848fd2ecfc4b84634f5e277c9bf1cec8c982a79f17ba00f17a91
