[INFO] fetching crate diff-trees 0.1.3...
[INFO] testing diff-trees-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate diff-trees 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate diff-trees 0.1.3
[INFO] finished tweaking crates.io crate diff-trees 0.1.3
[INFO] tweaked toml for crates.io crate diff-trees 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diff-trees 0.1.3 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 diff-trees 0.1.3 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 70dcf910e3fda0bba9dc6a3377d5cada987a94ad3fc36f356959de94d547c7e6
[INFO] running `Command { std: "docker" "start" "-a" "70dcf910e3fda0bba9dc6a3377d5cada987a94ad3fc36f356959de94d547c7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70dcf910e3fda0bba9dc6a3377d5cada987a94ad3fc36f356959de94d547c7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dcf910e3fda0bba9dc6a3377d5cada987a94ad3fc36f356959de94d547c7e6", kill_on_drop: false }`
[INFO] [stdout] 70dcf910e3fda0bba9dc6a3377d5cada987a94ad3fc36f356959de94d547c7e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0a917ae66bc5858f98d55f5485146f9f44830f0dab95397a827a85f6fa607d14
[INFO] running `Command { std: "docker" "start" "-a" "0a917ae66bc5858f98d55f5485146f9f44830f0dab95397a827a85f6fa607d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling iddqd v0.3.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling diff-trees v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.73s
[INFO] running `Command { std: "docker" "inspect" "0a917ae66bc5858f98d55f5485146f9f44830f0dab95397a827a85f6fa607d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a917ae66bc5858f98d55f5485146f9f44830f0dab95397a827a85f6fa607d14", kill_on_drop: false }`
[INFO] [stdout] 0a917ae66bc5858f98d55f5485146f9f44830f0dab95397a827a85f6fa607d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 90a5ce152c6fd551d62a268e9225d32699cf09496170852be80ce42745f976c5
[INFO] running `Command { std: "docker" "start" "-a" "90a5ce152c6fd551d62a268e9225d32699cf09496170852be80ce42745f976c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff-trees v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `testlib`
[INFO] [stdout]   --> src/display_diff.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use testlib::TempTree;
[INFO] [stdout]    |         ^^^^^^^ use of unresolved module or unlinked crate `testlib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `testlib`, use `cargo add testlib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `testlib`
[INFO] [stdout]    --> src/lib.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |     use testlib::TempTree;
[INFO] [stdout]     |         ^^^^^^^ use of unresolved module or unlinked crate `testlib`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `testlib`, use `cargo add testlib` 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 `diff-trees` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "90a5ce152c6fd551d62a268e9225d32699cf09496170852be80ce42745f976c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a5ce152c6fd551d62a268e9225d32699cf09496170852be80ce42745f976c5", kill_on_drop: false }`
[INFO] [stdout] 90a5ce152c6fd551d62a268e9225d32699cf09496170852be80ce42745f976c5