[INFO] fetching crate vitree 0.1.0... [INFO] testing vitree-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate vitree 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate vitree 0.1.0 [INFO] finished tweaking crates.io crate vitree 0.1.0 [INFO] tweaked toml for crates.io crate vitree 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vitree 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.10.0) [INFO] [stderr] Adding downcast-rs v1.2.1 (available: v2.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.12.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2411ea5650dad0b2257130949fae1b29871a06bebd88334a1be19fb5351a478d [INFO] running `Command { std: "docker" "start" "-a" "2411ea5650dad0b2257130949fae1b29871a06bebd88334a1be19fb5351a478d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2411ea5650dad0b2257130949fae1b29871a06bebd88334a1be19fb5351a478d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2411ea5650dad0b2257130949fae1b29871a06bebd88334a1be19fb5351a478d", kill_on_drop: false }` [INFO] [stdout] 2411ea5650dad0b2257130949fae1b29871a06bebd88334a1be19fb5351a478d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3e9215cbecf983489c472b698eaec7a0ab0c784b66e118f0b97dc0b4c18fe39 [INFO] running `Command { std: "docker" "start" "-a" "c3e9215cbecf983489c472b698eaec7a0ab0c784b66e118f0b97dc0b4c18fe39", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling rustversion v1.0.22 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.105 [INFO] [stderr] Compiling bumpalo v3.19.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling slab v0.4.11 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling no-panic v0.1.35 [INFO] [stderr] Compiling enclose v1.2.1 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling downcast-rs v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling by_address v1.2.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling wasm-bindgen v0.2.105 [INFO] [stderr] Compiling castaway v0.2.4 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.105 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling observe v1.2.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.105 [INFO] [stderr] Compiling js-sys v0.3.82 [INFO] [stderr] Compiling console_error_panic_hook v0.1.7 [INFO] [stderr] Compiling tracing-wasm v0.2.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling web-sys v0.3.82 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.55 [INFO] [stderr] Compiling skima v0.1.0 [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/skima-0.1.0/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(arbitrary_self_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(decl_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(unboxed_closures)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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/skima-0.1.0/src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(tuple_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 `skima` (lib) due to 8 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c3e9215cbecf983489c472b698eaec7a0ab0c784b66e118f0b97dc0b4c18fe39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3e9215cbecf983489c472b698eaec7a0ab0c784b66e118f0b97dc0b4c18fe39", kill_on_drop: false }` [INFO] [stdout] c3e9215cbecf983489c472b698eaec7a0ab0c784b66e118f0b97dc0b4c18fe39