[INFO] fetching crate rumtk-benchmark 0.1.6...
[INFO] checking rumtk-benchmark-0.1.6 against 1.95.0 for pr-155915
[INFO] extracting crate rumtk-benchmark 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rumtk-benchmark 0.1.6
[INFO] finished tweaking crates.io crate rumtk-benchmark 0.1.6
[INFO] tweaked toml for crates.io crate rumtk-benchmark 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rumtk-benchmark 0.1.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rumtk-benchmark 0.1.6 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid-macro-internal v1.19.0
[INFO] [stderr]   Downloaded rumtk-core v0.14.2
[INFO] [stderr]   Downloaded askama_macros v0.15.6
[INFO] [stderr]   Downloaded askama v0.15.6
[INFO] [stderr]   Downloaded bitflags v2.7.0
[INFO] [stderr]   Downloaded log v0.4.24
[INFO] [stderr]   Downloaded askama_derive v0.15.6
[INFO] [stderr]   Downloaded askama_parser v0.15.6
[INFO] [stderr]   Downloaded minifier v0.3.6
[INFO] [stderr]   Downloaded rumtk-web v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07c7b23c90b66fd6a2d80a8a0544c9cfc75b3900d431dc4262193b71b79fc09f
[INFO] running `Command { std: "docker" "start" "-a" "07c7b23c90b66fd6a2d80a8a0544c9cfc75b3900d431dc4262193b71b79fc09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c7b23c90b66fd6a2d80a8a0544c9cfc75b3900d431dc4262193b71b79fc09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c7b23c90b66fd6a2d80a8a0544c9cfc75b3900d431dc4262193b71b79fc09f", kill_on_drop: false }`
[INFO] [stdout] 07c7b23c90b66fd6a2d80a8a0544c9cfc75b3900d431dc4262193b71b79fc09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4dce1c4081c7339a003deb5aeb5a89f9b5580abbe6c95bc9ff60480bc0eeba1
[INFO] running `Command { std: "docker" "start" "-a" "b4dce1c4081c7339a003deb5aeb5a89f9b5580abbe6c95bc9ff60480bc0eeba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking log v0.4.24
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking bitflags v2.7.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling cc v1.2.7
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pulldown-cmark v0.13.3
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]    Compiling basic-toml v0.1.10
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking chardetng v0.1.17
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]    Compiling pyo3-build-config v0.27.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking phf v0.13.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling pyo3-ffi v0.27.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.1
[INFO] [stderr]    Compiling pyo3 v0.27.1
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling uuid-macro-internal v1.19.0
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking compression-codecs v0.4.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking clap v4.5.54
[INFO] [stderr]     Checking minifier v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.27.1
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling askama_parser v0.15.6
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking async-compression v0.4.36
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]    Compiling askama_derive v0.15.6
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking hyper-util v0.1.19
[INFO] [stderr]     Checking rumtk-core v0.14.2
[INFO] [stderr]     Checking axum v0.8.9
[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-1949cf8c6b5b557f/rumtk-core-0.14.2/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rumtk-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4dce1c4081c7339a003deb5aeb5a89f9b5580abbe6c95bc9ff60480bc0eeba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dce1c4081c7339a003deb5aeb5a89f9b5580abbe6c95bc9ff60480bc0eeba1", kill_on_drop: false }`
[INFO] [stdout] b4dce1c4081c7339a003deb5aeb5a89f9b5580abbe6c95bc9ff60480bc0eeba1