[INFO] fetching crate rust_code_visualizer 0.1.2...
[INFO] testing rust_code_visualizer-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust_code_visualizer 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust_code_visualizer 0.1.2
[INFO] finished tweaking crates.io crate rust_code_visualizer 0.1.2
[INFO] tweaked toml for crates.io crate rust_code_visualizer 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_code_visualizer 0.1.2 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] crate crates.io crate rust_code_visualizer 0.1.2 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] deb1fa1c8251aa281952f55466f61ead398ebd8f9bd946db7739688a8b2dae07
[INFO] running `Command { std: "docker" "start" "-a" "deb1fa1c8251aa281952f55466f61ead398ebd8f9bd946db7739688a8b2dae07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deb1fa1c8251aa281952f55466f61ead398ebd8f9bd946db7739688a8b2dae07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb1fa1c8251aa281952f55466f61ead398ebd8f9bd946db7739688a8b2dae07", kill_on_drop: false }`
[INFO] [stdout] deb1fa1c8251aa281952f55466f61ead398ebd8f9bd946db7739688a8b2dae07
[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] befb1d52310b0fb867720e91bd953fa632834eea3865a0aebbe25d362bf29bf9
[INFO] running `Command { std: "docker" "start" "-a" "befb1d52310b0fb867720e91bd953fa632834eea3865a0aebbe25d362bf29bf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling rust_code_visualizer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/funcs.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     field: &Field,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "befb1d52310b0fb867720e91bd953fa632834eea3865a0aebbe25d362bf29bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befb1d52310b0fb867720e91bd953fa632834eea3865a0aebbe25d362bf29bf9", kill_on_drop: false }`
[INFO] [stdout] befb1d52310b0fb867720e91bd953fa632834eea3865a0aebbe25d362bf29bf9
[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] 5230f3f721f185bab613dc652f4f11916a54bf5f50ef88130933f84f6daa6501
[INFO] running `Command { std: "docker" "start" "-a" "5230f3f721f185bab613dc652f4f11916a54bf5f50ef88130933f84f6daa6501", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_code_visualizer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/funcs.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     field: &Field,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/funcs.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     field: &Field,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5230f3f721f185bab613dc652f4f11916a54bf5f50ef88130933f84f6daa6501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5230f3f721f185bab613dc652f4f11916a54bf5f50ef88130933f84f6daa6501", kill_on_drop: false }`
[INFO] [stdout] 5230f3f721f185bab613dc652f4f11916a54bf5f50ef88130933f84f6daa6501
[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", kill_on_drop: false }`
[INFO] [stdout] d82df0ab7058883d5db249fdf4e130afe2ea3fc42adc009f6cc9d202f42d83b4
[INFO] running `Command { std: "docker" "start" "-a" "d82df0ab7058883d5db249fdf4e130afe2ea3fc42adc009f6cc9d202f42d83b4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/funcs.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     field: &Field,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_code_visualizer` (lib) generated 1 warning
[INFO] [stderr] warning: `rust_code_visualizer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_code_visualizer-fd3276f8d2fdb6cc)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test funcs::tests::test_add_vec_only_edges_for_graph ... ok
[INFO] [stdout] test funcs::tests::test_add_edges_for_graph ... ok
[INFO] [stdout] test funcs::tests::test_filter_structs ... ok
[INFO] [stdout] test impls::tests::test_element_from ... ok
[INFO] [stdout] test impls::tests::test_enum_element_from ... ok
[INFO] [stdout] test impls::tests::test_field_vec ... ok
[INFO] [stdout] test funcs::tests::test_parse_rust_code ... ok
[INFO] [stdout] test funcs::tests::test_create_nodes_for_graph ... ok
[INFO] [stdout] test impls::tests::test_field_from ... ok
[INFO] [stdout] test impls::tests::test_struct_element_from ... ok
[INFO] [stdout] test impls::tests::test_try_convert_option_ident_to_option_string ... ok
[INFO] [stdout] test impls::tests::test_try_convert_ident_to_string ... ok
[INFO] [stdout] test impls::tests::test_type_try_from_angle_bracketed_generic_arguments ... ok
[INFO] [stdout] test impls::tests::test_variant_from ... ok
[INFO] [stdout] test impls::tests::test_type_from_generic_argument ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/rcvis-504905fe828c15e5)
[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] [stderr]    Doc-tests rust_code_visualizer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/structures.rs - structures::Field::name (line 36) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d82df0ab7058883d5db249fdf4e130afe2ea3fc42adc009f6cc9d202f42d83b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82df0ab7058883d5db249fdf4e130afe2ea3fc42adc009f6cc9d202f42d83b4", kill_on_drop: false }`
[INFO] [stdout] d82df0ab7058883d5db249fdf4e130afe2ea3fc42adc009f6cc9d202f42d83b4