[INFO] fetching crate inline-vbs 0.2.1...
[INFO] documenting inline-vbs-0.2.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate inline-vbs 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate inline-vbs 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate inline-vbs 0.2.1
[INFO] finished tweaking crates.io crate inline-vbs 0.2.1
[INFO] tweaked toml for crates.io crate inline-vbs 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 litrs v0.2.3
[INFO] [stderr]   Downloaded dep_doc v0.1.1
[INFO] [stderr]   Downloaded inline-vbs-macros v0.2.0
[INFO] [stderr]   Downloaded variant-rs v0.1.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45cfe83f8261582e64cc8854c9c1ce2d8e5831558203e00b55cc19cb8c4b2582
[INFO] running `Command { std: "docker" "start" "-a" "45cfe83f8261582e64cc8854c9c1ce2d8e5831558203e00b55cc19cb8c4b2582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45cfe83f8261582e64cc8854c9c1ce2d8e5831558203e00b55cc19cb8c4b2582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cfe83f8261582e64cc8854c9c1ce2d8e5831558203e00b55cc19cb8c4b2582", kill_on_drop: false }`
[INFO] [stdout] 45cfe83f8261582e64cc8854c9c1ce2d8e5831558203e00b55cc19cb8c4b2582
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 9c5068c393ea6108d7a1a5b3c81b40945e9c99b7f540f27390cbdbdeb40c92b2
[INFO] running `Command { std: "docker" "start" "-a" "9c5068c393ea6108d7a1a5b3c81b40945e9c99b7f540f27390cbdbdeb40c92b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling scratch v1.0.5
[INFO] [stderr]    Compiling link-cplusplus v1.0.8
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.94
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling rust_decimal v1.29.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling cxx v1.0.94
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]     Checking widestring v0.5.1
[INFO] [stderr]     Checking dep_doc v0.1.1
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]    Compiling inline-vbs-macros v0.2.0
[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-vbs-macros-0.2.0/src/lib.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![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-vbs-macros` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9c5068c393ea6108d7a1a5b3c81b40945e9c99b7f540f27390cbdbdeb40c92b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5068c393ea6108d7a1a5b3c81b40945e9c99b7f540f27390cbdbdeb40c92b2", kill_on_drop: false }`
[INFO] [stdout] 9c5068c393ea6108d7a1a5b3c81b40945e9c99b7f540f27390cbdbdeb40c92b2
