[INFO] fetching crate rstsc 0.1.0...
[INFO] testing rstsc-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rstsc 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rstsc 0.1.0
[INFO] finished tweaking crates.io crate rstsc 0.1.0
[INFO] tweaked toml for crates.io crate rstsc 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstsc 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rstsc 0.1.0 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48cfec73d857a45124ebf51ebfa953c0ccdefc95c5d65a026d6bb1592357002c
[INFO] running `Command { std: "docker" "start" "-a" "48cfec73d857a45124ebf51ebfa953c0ccdefc95c5d65a026d6bb1592357002c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cfec73d857a45124ebf51ebfa953c0ccdefc95c5d65a026d6bb1592357002c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cfec73d857a45124ebf51ebfa953c0ccdefc95c5d65a026d6bb1592357002c", kill_on_drop: false }`
[INFO] [stdout] 48cfec73d857a45124ebf51ebfa953c0ccdefc95c5d65a026d6bb1592357002c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b751fb16673caf0400631297f06b11968575938f179788253fa167e963e059
[INFO] running `Command { std: "docker" "start" "-a" "49b751fb16673caf0400631297f06b11968575938f179788253fa167e963e059", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling schemars v0.8.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling dyn-clone v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling clean-path v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling json-strip-comments v1.0.2
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling rustix v0.38.33
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling supports-color v3.0.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling similar v2.5.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling sdd v0.2.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling biome_unicode_table v0.5.7
[INFO] [stderr]    Compiling supports-hyperlinks v3.0.0
[INFO] [stderr]    Compiling owo-colors v4.0.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling scc v2.1.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling indexvec v0.5.4
[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/indexvec-0.5.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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/indexvec-0.5.4/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling biome_diagnostics_categories v0.5.7
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `indexvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "49b751fb16673caf0400631297f06b11968575938f179788253fa167e963e059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b751fb16673caf0400631297f06b11968575938f179788253fa167e963e059", kill_on_drop: false }`
[INFO] [stdout] 49b751fb16673caf0400631297f06b11968575938f179788253fa167e963e059