[INFO] fetching crate flange-flat-tree 0.2.2... [INFO] testing flange-flat-tree-0.2.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flange-flat-tree 0.2.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate flange-flat-tree 0.2.2 [INFO] finished tweaking crates.io crate flange-flat-tree 0.2.2 [INFO] tweaked toml for crates.io crate flange-flat-tree 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flange-flat-tree 0.2.2 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 50 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] 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] 95750fe4fa387ca5455745468db6f3dc63ea5ca010dec5c62f398c32e3eef981 [INFO] running `Command { std: "docker" "start" "-a" "95750fe4fa387ca5455745468db6f3dc63ea5ca010dec5c62f398c32e3eef981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95750fe4fa387ca5455745468db6f3dc63ea5ca010dec5c62f398c32e3eef981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95750fe4fa387ca5455745468db6f3dc63ea5ca010dec5c62f398c32e3eef981", kill_on_drop: false }` [INFO] [stdout] 95750fe4fa387ca5455745468db6f3dc63ea5ca010dec5c62f398c32e3eef981 [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] c448c7c3330c84f2c893104cda7a3a6ed9ba506f2659855abefcb4889bc17da7 [INFO] running `Command { std: "docker" "start" "-a" "c448c7c3330c84f2c893104cda7a3a6ed9ba506f2659855abefcb4889bc17da7", kill_on_drop: false }` [INFO] [stderr] Compiling flange-flat-tree v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "c448c7c3330c84f2c893104cda7a3a6ed9ba506f2659855abefcb4889bc17da7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c448c7c3330c84f2c893104cda7a3a6ed9ba506f2659855abefcb4889bc17da7", kill_on_drop: false }` [INFO] [stdout] c448c7c3330c84f2c893104cda7a3a6ed9ba506f2659855abefcb4889bc17da7 [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] c75a99ca3ec65de82b9d30a62ed6ade7337952a0457821857a8bcd575d459605 [INFO] running `Command { std: "docker" "start" "-a" "c75a99ca3ec65de82b9d30a62ed6ade7337952a0457821857a8bcd575d459605", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling anstyle-query v1.1.4 [INFO] [stderr] Compiling toml_write v0.1.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling winnow v0.7.13 [INFO] [stderr] Compiling anstream v0.6.20 [INFO] [stderr] Compiling clap_builder v4.5.48 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling clap_derive v4.5.47 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling clap v4.5.48 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling serde_spanned v0.6.9 [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 flange-flat-tree v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `print_subtree` is never used [INFO] [stdout] --> src/tests/subtree.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn print_subtree(st: ST) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 19.63s [INFO] running `Command { std: "docker" "inspect" "c75a99ca3ec65de82b9d30a62ed6ade7337952a0457821857a8bcd575d459605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c75a99ca3ec65de82b9d30a62ed6ade7337952a0457821857a8bcd575d459605", kill_on_drop: false }` [INFO] [stdout] c75a99ca3ec65de82b9d30a62ed6ade7337952a0457821857a8bcd575d459605 [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", kill_on_drop: false }` [INFO] [stdout] d5a57b8373f7d3bae46c3936defd2bca231ea9111fdcbdf57be9174b4b7b2e0d [INFO] running `Command { std: "docker" "start" "-a" "d5a57b8373f7d3bae46c3936defd2bca231ea9111fdcbdf57be9174b4b7b2e0d", kill_on_drop: false }` [INFO] [stderr] warning: function `print_subtree` is never used [INFO] [stderr] --> src/tests/subtree.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | fn print_subtree(st: ST) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `flange-flat-tree` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flange_flat_tree-8c70b1ead604a300) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::flange::test_flange ... ok [INFO] [stdout] test tests::create::simple_test ... ok [INFO] [stdout] test tests::flange_edit::test_flange_complex_edit ... ok [INFO] [stdout] test tests::flange_edit::test_flange_edit ... ok [INFO] [stderr] Doc-tests flange_flat_tree [INFO] [stdout] test tests::create::test_create ... ok [INFO] [stdout] test tests::create::multi_children_test ... ok [INFO] [stdout] test tests::subtree::test_subtree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/tree/builder.rs - tree::builder::Builder (line 5) ... ok [INFO] [stdout] test src/tree/tree_trait.rs - tree::tree_trait::Tree::depth_first_flange (line 115) ... ok [INFO] [stdout] test src/tree/tree_trait.rs - tree::tree_trait::Tree::map (line 40) ... ok [INFO] [stdout] test src/navigator/navigator_impl.rs - navigator::navigator_impl::Navigator (line 12) ... ok [INFO] [stdout] test src/navigator/navigator_impl.rs - navigator::navigator_impl::Navigator::for_each_depth_first (line 46) ... ok [INFO] [stdout] test src/lib.rs - (line 104) ... ok [INFO] [stdout] test src/navigator/builder.rs - navigator::builder::Builder (line 8) ... ok [INFO] [stdout] test src/lib.rs - (line 128) ... ok [INFO] [stdout] test src/lib.rs - (line 11) ... ok [INFO] [stdout] test src/lib.rs - (line 86) ... ok [INFO] [stdout] test src/lib.rs - (line 29) ... ok [INFO] [stdout] test src/lib.rs - (line 68) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d5a57b8373f7d3bae46c3936defd2bca231ea9111fdcbdf57be9174b4b7b2e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5a57b8373f7d3bae46c3936defd2bca231ea9111fdcbdf57be9174b4b7b2e0d", kill_on_drop: false }` [INFO] [stdout] d5a57b8373f7d3bae46c3936defd2bca231ea9111fdcbdf57be9174b4b7b2e0d