[INFO] fetching crate axum-prehandle 0.1.2...
[INFO] documenting axum-prehandle-0.1.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate axum-prehandle 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate axum-prehandle 0.1.2 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 axum-prehandle 0.1.2
[INFO] finished tweaking crates.io crate axum-prehandle 0.1.2
[INFO] tweaked toml for crates.io crate axum-prehandle 0.1.2 written to /workspace/builds/worker-4-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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded sync_wrapper v0.1.2
[INFO] [stderr]   Downloaded axum-core v0.2.9
[INFO] [stderr]   Downloaded http-range-header v0.3.1
[INFO] [stderr]   Downloaded tower-http v0.3.5
[INFO] [stderr]   Downloaded matchit v0.5.0
[INFO] [stderr]   Downloaded axum v0.5.17
[INFO] [stderr]   Downloaded resp-result v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07c7b533611ecc45465a9a4ff287e885e43fe6519e1e5a36b602a2702770ffb6
[INFO] running `Command { std: "docker" "start" "-a" "07c7b533611ecc45465a9a4ff287e885e43fe6519e1e5a36b602a2702770ffb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c7b533611ecc45465a9a4ff287e885e43fe6519e1e5a36b602a2702770ffb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c7b533611ecc45465a9a4ff287e885e43fe6519e1e5a36b602a2702770ffb6", kill_on_drop: false }`
[INFO] [stdout] 07c7b533611ecc45465a9a4ff287e885e43fe6519e1e5a36b602a2702770ffb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 35503865f2370ac2d2585886062e9dd95cb4a58359d24a6a60099b7c83426e3d
[INFO] running `Command { std: "docker" "start" "-a" "35503865f2370ac2d2585886062e9dd95cb4a58359d24a6a60099b7c83426e3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking axum-core v0.2.9
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tower-http v0.3.5
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking axum v0.5.17
[INFO] [stderr]     Checking resp-result v0.4.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/resp-result-0.4.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait_v2)]
[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 `resp-result` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "35503865f2370ac2d2585886062e9dd95cb4a58359d24a6a60099b7c83426e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35503865f2370ac2d2585886062e9dd95cb4a58359d24a6a60099b7c83426e3d", kill_on_drop: false }`
[INFO] [stdout] 35503865f2370ac2d2585886062e9dd95cb4a58359d24a6a60099b7c83426e3d
