[INFO] fetching crate smallworld 0.1.0...
[INFO] testing smallworld-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate smallworld 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate smallworld 0.1.0
[INFO] finished tweaking crates.io crate smallworld 0.1.0
[INFO] tweaked toml for crates.io crate smallworld 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smallworld 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] crate crates.io crate smallworld 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] de0a0ec44b24e6e380db2b90fc36400dda5bc141c33c62ce99146202d7be86e0
[INFO] running `Command { std: "docker" "start" "-a" "de0a0ec44b24e6e380db2b90fc36400dda5bc141c33c62ce99146202d7be86e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0a0ec44b24e6e380db2b90fc36400dda5bc141c33c62ce99146202d7be86e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0a0ec44b24e6e380db2b90fc36400dda5bc141c33c62ce99146202d7be86e0", kill_on_drop: false }`
[INFO] [stdout] de0a0ec44b24e6e380db2b90fc36400dda5bc141c33c62ce99146202d7be86e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5de867ac39ae42bcd42e4a13b0ad2e61ea6461542a2419409a11def71ca7a356
[INFO] running `Command { std: "docker" "start" "-a" "5de867ac39ae42bcd42e4a13b0ad2e61ea6461542a2419409a11def71ca7a356", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling phf_shared v0.11.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling phf_macros v0.11.0
[INFO] [stderr]    Compiling enumflags2_derive v0.7.4
[INFO] [stderr]    Compiling phf v0.11.0
[INFO] [stderr]    Compiling enumflags2 v0.7.5
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling clap v3.2.12
[INFO] [stderr]    Compiling libsmallworld 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/libsmallworld-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_bytes)]
[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/libsmallworld-0.1.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(int_roundings)]
[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 `libsmallworld` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5de867ac39ae42bcd42e4a13b0ad2e61ea6461542a2419409a11def71ca7a356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de867ac39ae42bcd42e4a13b0ad2e61ea6461542a2419409a11def71ca7a356", kill_on_drop: false }`
[INFO] [stdout] 5de867ac39ae42bcd42e4a13b0ad2e61ea6461542a2419409a11def71ca7a356