[INFO] fetching crate iomrascalai 0.1.7...
[INFO] testing iomrascalai-0.1.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate iomrascalai 0.1.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate iomrascalai 0.1.7
[INFO] finished tweaking crates.io crate iomrascalai 0.1.7
[INFO] tweaked toml for crates.io crate iomrascalai 0.1.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iomrascalai 0.1.7 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] 365af78110538221322699ad58aab1555204a2637b1d8d1787000262c5328b39
[INFO] running `Command { std: "docker" "start" "-a" "365af78110538221322699ad58aab1555204a2637b1d8d1787000262c5328b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365af78110538221322699ad58aab1555204a2637b1d8d1787000262c5328b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365af78110538221322699ad58aab1555204a2637b1d8d1787000262c5328b39", kill_on_drop: false }`
[INFO] [stdout] 365af78110538221322699ad58aab1555204a2637b1d8d1787000262c5328b39
[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] 9cb5a775f127453575a271764f67b1f9d77d60cefb8bf3a33dd9efb7b0375f6a
[INFO] running `Command { std: "docker" "start" "-a" "9cb5a775f127453575a271764f67b1f9d77d60cefb8bf3a33dd9efb7b0375f6a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[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/regex-0.2.11/src/lib.rs:522:34
[INFO] [stdout]     |
[INFO] [stdout] 522 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.2.11/src/pattern.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'r, 't> Pattern<'t> for &'r Regex {
[INFO] [stdout]    |              ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |              |
[INFO] [stdout]    |              expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0195]: lifetime parameters or bounds on associated type `Searcher` do not match the trait declaration
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.2.11/src/pattern.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     type Searcher = RegexSearcher<'r, 't>;
[INFO] [stdout]    |                  ^ lifetimes do not match associated type in trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'t` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-0.2.11/src/pattern.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'r, 't> Pattern<'t> for &'r Regex {
[INFO] [stdout]    |          ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stdout] Some errors have detailed explanations: E0107, E0195, E0207, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9cb5a775f127453575a271764f67b1f9d77d60cefb8bf3a33dd9efb7b0375f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb5a775f127453575a271764f67b1f9d77d60cefb8bf3a33dd9efb7b0375f6a", kill_on_drop: false }`
[INFO] [stdout] 9cb5a775f127453575a271764f67b1f9d77d60cefb8bf3a33dd9efb7b0375f6a