[INFO] fetching crate ct-python 0.5.5...
[INFO] documenting ct-python-0.5.5 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate ct-python 0.5.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ct-python 0.5.5 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 ct-python 0.5.5
[INFO] finished tweaking crates.io crate ct-python 0.5.5
[INFO] tweaked toml for crates.io crate ct-python 0.5.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ct-python 0.5.5 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 target-lexicon v0.12.4
[INFO] [stderr]   Downloaded inline-python-macros v0.10.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.17.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.17.1
[INFO] [stderr]   Downloaded pyo3 v0.17.1
[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] 21df3968d62262dc4699d2ce9bf22f8a2b71340ee3075250289d5f21c0d801ec
[INFO] running `Command { std: "docker" "start" "-a" "21df3968d62262dc4699d2ce9bf22f8a2b71340ee3075250289d5f21c0d801ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21df3968d62262dc4699d2ce9bf22f8a2b71340ee3075250289d5f21c0d801ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21df3968d62262dc4699d2ce9bf22f8a2b71340ee3075250289d5f21c0d801ec", kill_on_drop: false }`
[INFO] [stdout] 21df3968d62262dc4699d2ce9bf22f8a2b71340ee3075250289d5f21c0d801ec
[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] 593e73d5ac89889d6f4a99ccd584058cfa18eeb4f9c8600dd380c5cc43424a14
[INFO] running `Command { std: "docker" "start" "-a" "593e73d5ac89889d6f4a99ccd584058cfa18eeb4f9c8600dd380c5cc43424a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling pyo3-build-config v0.17.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.17.1
[INFO] [stderr]    Compiling pyo3 v0.17.1
[INFO] [stderr]    Compiling inline-python-macros v0.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/inline-python-macros-0.10.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_span)]
[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 compile `inline-python-macros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "593e73d5ac89889d6f4a99ccd584058cfa18eeb4f9c8600dd380c5cc43424a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593e73d5ac89889d6f4a99ccd584058cfa18eeb4f9c8600dd380c5cc43424a14", kill_on_drop: false }`
[INFO] [stdout] 593e73d5ac89889d6f4a99ccd584058cfa18eeb4f9c8600dd380c5cc43424a14
