[INFO] fetching crate uhttp_json_api 0.6.1...
[INFO] testing uhttp_json_api-0.6.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate uhttp_json_api 0.6.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate uhttp_json_api 0.6.1
[INFO] finished tweaking crates.io crate uhttp_json_api 0.6.1
[INFO] tweaked toml for crates.io crate uhttp_json_api 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uhttp_json_api 0.6.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding serde v0.9.15 (available: v1.0.228)
[INFO] [stderr]       Adding serde_derive v0.9.15 (available: v1.0.228)
[INFO] [stderr]       Adding serde_json v0.9.10 (available: v1.0.149)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 903af0cbf8f5c1d99b983151e1e357d74bf89ccc4aedc85d707a4b1c9e024846
[INFO] running `Command { std: "docker" "start" "-a" "903af0cbf8f5c1d99b983151e1e357d74bf89ccc4aedc85d707a4b1c9e024846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903af0cbf8f5c1d99b983151e1e357d74bf89ccc4aedc85d707a4b1c9e024846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903af0cbf8f5c1d99b983151e1e357d74bf89ccc4aedc85d707a4b1c9e024846", kill_on_drop: false }`
[INFO] [stdout] 903af0cbf8f5c1d99b983151e1e357d74bf89ccc4aedc85d707a4b1c9e024846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c1687011ece05137e33287bf505985965b8c947d7ee4048ddb724275f6c60f
[INFO] running `Command { std: "docker" "start" "-a" "08c1687011ece05137e33287bf505985965b8c947d7ee4048ddb724275f6c60f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling uhttp_content_encoding v0.5.1
[INFO] [stderr]    Compiling subslice_index v0.5.0
[INFO] [stderr]    Compiling uhttp_method v0.10.0
[INFO] [stderr]    Compiling uhttp_transfer_encoding v0.5.0
[INFO] [stderr]    Compiling uhttp_uri v0.5.1
[INFO] [stderr]    Compiling uhttp_version v0.6.0
[INFO] [stderr]    Compiling uhttp_status v0.10.0
[INFO] [stderr]    Compiling uhttp_body_bytes v0.5.2
[INFO] [stderr]    Compiling uhttp_chunked_bytes v0.5.0
[INFO] [stderr]    Compiling uhttp_request_target v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/uhttp_content_encoding-0.5.1/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/uhttp_transfer_encoding-0.5.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/uhttp_version-0.6.0/src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(field_init_shorthand)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `field_init_shorthand` has been stable since `1.17.0` and no longer requires an attribute to enable
[INFO] [stdout]    = help: the feature `static_in_const` has been stable since `1.17.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uhttp_transfer_encoding` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `uhttp_content_encoding` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uhttp_version` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "08c1687011ece05137e33287bf505985965b8c947d7ee4048ddb724275f6c60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c1687011ece05137e33287bf505985965b8c947d7ee4048ddb724275f6c60f", kill_on_drop: false }`
[INFO] [stdout] 08c1687011ece05137e33287bf505985965b8c947d7ee4048ddb724275f6c60f
