[INFO] fetching crate kind2 0.3.10...
[INFO] testing kind2-0.3.10 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kind2 0.3.10 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kind2 0.3.10
[INFO] finished tweaking crates.io crate kind2 0.3.10
[INFO] tweaked toml for crates.io crate kind2 0.3.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kind2 0.3.10 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 kind2 0.3.10 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a5d9db6f6ec10a2d3072e48838ee13cd86d2e1af5f8ae017bd0c80b3785eaf
[INFO] running `Command { std: "docker" "start" "-a" "d2a5d9db6f6ec10a2d3072e48838ee13cd86d2e1af5f8ae017bd0c80b3785eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a5d9db6f6ec10a2d3072e48838ee13cd86d2e1af5f8ae017bd0c80b3785eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a5d9db6f6ec10a2d3072e48838ee13cd86d2e1af5f8ae017bd0c80b3785eaf", kill_on_drop: false }`
[INFO] [stdout] d2a5d9db6f6ec10a2d3072e48838ee13cd86d2e1af5f8ae017bd0c80b3785eaf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a661d4407688a9fe3e8396cadf9d64d3bef4e3aa69f909d8d5afc86f076948
[INFO] running `Command { std: "docker" "start" "-a" "c1a661d4407688a9fe3e8396cadf9d64d3bef4e3aa69f909d8d5afc86f076948", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling gimli v0.27.0
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling object v0.30.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling highlight_error v0.1.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling HOPA v0.1.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling kind-span v0.1.3
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling refl v0.2.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rustix v0.36.5
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling secp256k1-sys v0.5.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling termsize v0.1.6
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling kind-report v0.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling dashmap v5.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling is-terminal v0.4.1
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling sysinfo v0.26.8
[INFO] [stderr]    Compiling secp256k1 v0.22.2
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling clap v4.0.29
[INFO] [stderr]    Compiling hvm v1.0.8
[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/hvm-1.0.8/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(atomic_from_mut)]
[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 `hvm` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c1a661d4407688a9fe3e8396cadf9d64d3bef4e3aa69f909d8d5afc86f076948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a661d4407688a9fe3e8396cadf9d64d3bef4e3aa69f909d8d5afc86f076948", kill_on_drop: false }`
[INFO] [stdout] c1a661d4407688a9fe3e8396cadf9d64d3bef4e3aa69f909d8d5afc86f076948