[INFO] fetching crate alox-48 0.2.0...
[INFO] documenting alox-48-0.2.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate alox-48 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate alox-48 0.2.0 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 alox-48 0.2.0
[INFO] finished tweaking crates.io crate alox-48 0.2.0
[INFO] tweaked toml for crates.io crate alox-48 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate alox-48 0.2.0 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 paste v1.0.11
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded serde v1.0.148
[INFO] [stderr]   Downloaded serde_derive v1.0.148
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded pretty-hex v0.3.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f1fba5ef63af0c8c9c7f6fee41eb4ba6cb0b7d6750cdc2b4f7397d087dadef03
[INFO] running `Command { std: "docker" "start" "-a" "f1fba5ef63af0c8c9c7f6fee41eb4ba6cb0b7d6750cdc2b4f7397d087dadef03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fba5ef63af0c8c9c7f6fee41eb4ba6cb0b7d6750cdc2b4f7397d087dadef03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fba5ef63af0c8c9c7f6fee41eb4ba6cb0b7d6750cdc2b4f7397d087dadef03", kill_on_drop: false }`
[INFO] [stdout] f1fba5ef63af0c8c9c7f6fee41eb4ba6cb0b7d6750cdc2b4f7397d087dadef03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58f29958ed5a045cfc669fad4a33b47850e459d5fba1fe315caa76516c11900e
[INFO] running `Command { std: "docker" "start" "-a" "58f29958ed5a045cfc669fad4a33b47850e459d5fba1fe315caa76516c11900e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]  Documenting alox-48 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(min_specialization)]
[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 `alox-48`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name alox_48 src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="warn-encoding"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5ffdd182110e8c85 -L dependency=/opt/rustwide/target/debug/deps --extern enum_as_inner=/opt/rustwide/target/debug/deps/libenum_as_inner-f38869bc20e88a39.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-3ec1e7aab33ae5a0.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-68f7cb3f9c8a6ce5.so --extern serde=/opt/rustwide/target/debug/deps/libserde-fcf6613c13e3fca0.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-fcfe748b5c9f2833.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "58f29958ed5a045cfc669fad4a33b47850e459d5fba1fe315caa76516c11900e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f29958ed5a045cfc669fad4a33b47850e459d5fba1fe315caa76516c11900e", kill_on_drop: false }`
[INFO] [stdout] 58f29958ed5a045cfc669fad4a33b47850e459d5fba1fe315caa76516c11900e
