[INFO] fetching crate kodept 0.2.3...
[INFO] testing kodept-0.2.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kodept 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate kodept 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kodept 0.2.3
[INFO] tweaked toml for crates.io crate kodept 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kodept 0.2.3 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 kodept 0.2.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 168afd6d6e0e95f2cc2c2fe08e2a72c711eefc91084b7df6cd305cf2619b8880
[INFO] running `Command { std: "docker" "start" "-a" "168afd6d6e0e95f2cc2c2fe08e2a72c711eefc91084b7df6cd305cf2619b8880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168afd6d6e0e95f2cc2c2fe08e2a72c711eefc91084b7df6cd305cf2619b8880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168afd6d6e0e95f2cc2c2fe08e2a72c711eefc91084b7df6cd305cf2619b8880", kill_on_drop: false }`
[INFO] [stdout] 168afd6d6e0e95f2cc2c2fe08e2a72c711eefc91084b7df6cd305cf2619b8880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4ece96ea9f2781c77df32b507a013a66f5510c047ba3bdb48eb4f870074a520e
[INFO] running `Command { std: "docker" "start" "-a" "4ece96ea9f2781c77df32b507a013a66f5510c047ba3bdb48eb4f870074a520e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling qcell v0.5.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling peg-runtime v0.8.3
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling constcat v0.5.0
[INFO] [stderr]    Compiling nonempty-collections v0.2.7
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling codespan v0.11.1
[INFO] [stderr]    Compiling peg-macros v0.8.4
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling id_tree v1.8.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling clap_builder v4.5.13
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling peg v0.8.4
[INFO] [stderr]    Compiling slotgraph 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/slotgraph-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slotgraph` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4ece96ea9f2781c77df32b507a013a66f5510c047ba3bdb48eb4f870074a520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ece96ea9f2781c77df32b507a013a66f5510c047ba3bdb48eb4f870074a520e", kill_on_drop: false }`
[INFO] [stdout] 4ece96ea9f2781c77df32b507a013a66f5510c047ba3bdb48eb4f870074a520e