[INFO] fetching crate neurarbor 0.2.0...
[INFO] testing neurarbor-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate neurarbor 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate neurarbor 0.2.0
[INFO] finished tweaking crates.io crate neurarbor 0.2.0
[INFO] tweaked toml for crates.io crate neurarbor 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neurarbor 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9f6e2de5087f4b643e65c1864d2957dd764b9e3d824a5e40c9b8704bce3161ab
[INFO] running `Command { std: "docker" "start" "-a" "9f6e2de5087f4b643e65c1864d2957dd764b9e3d824a5e40c9b8704bce3161ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6e2de5087f4b643e65c1864d2957dd764b9e3d824a5e40c9b8704bce3161ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6e2de5087f4b643e65c1864d2957dd764b9e3d824a5e40c9b8704bce3161ab", kill_on_drop: false }`
[INFO] [stdout] 9f6e2de5087f4b643e65c1864d2957dd764b9e3d824a5e40c9b8704bce3161ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3dc30e5b369d25ea86060eade263dcae373460428ec14846164331e30e8b273c
[INFO] running `Command { std: "docker" "start" "-a" "3dc30e5b369d25ea86060eade263dcae373460428ec14846164331e30e8b273c", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling slab_tree v0.3.2
[INFO] [stderr]    Compiling neurarbor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "3dc30e5b369d25ea86060eade263dcae373460428ec14846164331e30e8b273c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc30e5b369d25ea86060eade263dcae373460428ec14846164331e30e8b273c", kill_on_drop: false }`
[INFO] [stdout] 3dc30e5b369d25ea86060eade263dcae373460428ec14846164331e30e8b273c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379aac6437bf38ee8ecd7b2a84d6aedeea1aeb136a5fdf44956e58859c61606e
[INFO] running `Command { std: "docker" "start" "-a" "379aac6437bf38ee8ecd7b2a84d6aedeea1aeb136a5fdf44956e58859c61606e", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-readme v3.3.1
[INFO] [stderr]    Compiling neurarbor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.50s
[INFO] running `Command { std: "docker" "inspect" "379aac6437bf38ee8ecd7b2a84d6aedeea1aeb136a5fdf44956e58859c61606e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379aac6437bf38ee8ecd7b2a84d6aedeea1aeb136a5fdf44956e58859c61606e", kill_on_drop: false }`
[INFO] [stdout] 379aac6437bf38ee8ecd7b2a84d6aedeea1aeb136a5fdf44956e58859c61606e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63cac147e8da7c097d484be3283a2e86a11eb9fd92c5962f029e6f5d03e10afd
[INFO] running `Command { std: "docker" "start" "-a" "63cac147e8da7c097d484be3283a2e86a11eb9fd92c5962f029e6f5d03e10afd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neurarbor-2502f8c1440f651f)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::prune_at ... ok
[INFO] [stdout] test tests::prune_containing ... ok
[INFO] [stdout] test tests::prune_containing_multiple ... ok
[INFO] [stdout] test tests::prune_beyond_steps ... ok
[INFO] [stdout] test tests::test_edges_to_tree_jumbled ... ok
[INFO] [stdout] test tests::prune_below_strahler ... ok
[INFO] [stdout] test tests::project_towards ... ok
[INFO] [stdout] test tests::test_prune_beyond ... ok
[INFO] [stdout] test tests::test_cable ... ok
[INFO] [stdout] test tests::resample_ls ... ok
[INFO] [stdout] test tests::test_resample_tree ... ok
[INFO] [stdout] test tests::prune_beyond_branches ... ok
[INFO] [stdout] test tests::test_edges_to_tree_constructs ... ok
[INFO] [stdout] test tests::test_prune_twigs ... ok
[INFO] [stderr]    Doc-tests neurarbor
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63cac147e8da7c097d484be3283a2e86a11eb9fd92c5962f029e6f5d03e10afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cac147e8da7c097d484be3283a2e86a11eb9fd92c5962f029e6f5d03e10afd", kill_on_drop: false }`
[INFO] [stdout] 63cac147e8da7c097d484be3283a2e86a11eb9fd92c5962f029e6f5d03e10afd