[INFO] fetching crate koto_regex 0.16.0...
[INFO] testing koto_regex-0.16.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate koto_regex 0.16.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate koto_regex 0.16.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate koto_regex 0.16.0
[INFO] tweaked toml for crates.io crate koto_regex 0.16.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koto_regex 0.16.0 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 koto_regex 0.16.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 70da8df5d59d044d6a1701719d09ccc08bd3d2f4f46ff5e9dfd9e4ff1baf12b7
[INFO] running `Command { std: "docker" "start" "-a" "70da8df5d59d044d6a1701719d09ccc08bd3d2f4f46ff5e9dfd9e4ff1baf12b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70da8df5d59d044d6a1701719d09ccc08bd3d2f4f46ff5e9dfd9e4ff1baf12b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70da8df5d59d044d6a1701719d09ccc08bd3d2f4f46ff5e9dfd9e4ff1baf12b7", kill_on_drop: false }`
[INFO] [stdout] 70da8df5d59d044d6a1701719d09ccc08bd3d2f4f46ff5e9dfd9e4ff1baf12b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cd691262e86a88f883ca42e91a3d9af085837a8904bc1cb5907c8b9878874550
[INFO] running `Command { std: "docker" "start" "-a" "cd691262e86a88f883ca42e91a3d9af085837a8904bc1cb5907c8b9878874550", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling koto_memory v0.16.0
[INFO] [stderr]    Compiling circular-buffer v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling saturating_cast v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling koto_lexer v0.16.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive-name-macros v1.1.1
[INFO] [stderr]    Compiling koto_derive v0.16.0
[INFO] [stderr]    Compiling derive-name v1.1.0
[INFO] [stderr]    Compiling koto_parser v0.16.0
[INFO] [stderr]    Compiling koto_bytecode v0.16.0
[INFO] [stderr]    Compiling koto_runtime v0.16.0
[INFO] [stderr]    Compiling koto_regex v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.92s
[INFO] running `Command { std: "docker" "inspect" "cd691262e86a88f883ca42e91a3d9af085837a8904bc1cb5907c8b9878874550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd691262e86a88f883ca42e91a3d9af085837a8904bc1cb5907c8b9878874550", kill_on_drop: false }`
[INFO] [stdout] cd691262e86a88f883ca42e91a3d9af085837a8904bc1cb5907c8b9878874550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1fc71f95d9a9dc474cfdfd4dbaca4b0899ae39c4ed40657b9a7542b6f93c2c7
[INFO] running `Command { std: "docker" "start" "-a" "b1fc71f95d9a9dc474cfdfd4dbaca4b0899ae39c4ed40657b9a7542b6f93c2c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling koto_regex v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `/opt/rustwide/workdir/../../docs/libs/regex.md`: No such file or directory (os error 2)
[INFO] [stdout]   --> tests/regex_docs.rs:8:20
[INFO] [stdout]    |
[INFO] [stdout]  8 |       let markdown = include_str!(concat!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout]  9 | |         env!("CARGO_MANIFEST_DIR"),
[INFO] [stdout] 10 | |         "/../../docs/libs/regex.md"
[INFO] [stdout] 11 | |     ));
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `koto_test_utils`
[INFO] [stdout]  --> tests/regex_docs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use koto_test_utils::run_koto_examples_in_markdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `koto_test_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `koto_test_utils`, use `cargo add koto_test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koto_regex` (test "regex_docs") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1fc71f95d9a9dc474cfdfd4dbaca4b0899ae39c4ed40657b9a7542b6f93c2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fc71f95d9a9dc474cfdfd4dbaca4b0899ae39c4ed40657b9a7542b6f93c2c7", kill_on_drop: false }`
[INFO] [stdout] b1fc71f95d9a9dc474cfdfd4dbaca4b0899ae39c4ed40657b9a7542b6f93c2c7
