[INFO] fetching crate libcnb 0.29.3...
[INFO] testing libcnb-0.29.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libcnb 0.29.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate libcnb 0.29.3
[INFO] finished tweaking crates.io crate libcnb 0.29.3
[INFO] tweaked toml for crates.io crate libcnb 0.29.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcnb 0.29.3 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 libcnb 0.29.3 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 47820859c29fac211cde9c83533f792b42e497df5be4482f88107ee3a70dd0af
[INFO] running `Command { std: "docker" "start" "-a" "47820859c29fac211cde9c83533f792b42e497df5be4482f88107ee3a70dd0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47820859c29fac211cde9c83533f792b42e497df5be4482f88107ee3a70dd0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47820859c29fac211cde9c83533f792b42e497df5be4482f88107ee3a70dd0af", kill_on_drop: false }`
[INFO] [stdout] 47820859c29fac211cde9c83533f792b42e497df5be4482f88107ee3a70dd0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 72913cd3c73227b269dde9527487e63655f23e657f551f5ba610246553ab37b9
[INFO] running `Command { std: "docker" "start" "-a" "72913cd3c73227b269dde9527487e63655f23e657f551f5ba610246553ab37b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling serde-untagged v0.1.9
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling fancy-regex v0.16.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling libcnb-common v0.29.3
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling cargo-platform v0.3.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-util-schemas v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.22.0
[INFO] [stderr]    Compiling libcnb-proc-macros v0.29.3
[INFO] [stderr]    Compiling libcnb-data v0.29.3
[INFO] [stderr]    Compiling libcnb v0.29.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "72913cd3c73227b269dde9527487e63655f23e657f551f5ba610246553ab37b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72913cd3c73227b269dde9527487e63655f23e657f551f5ba610246553ab37b9", kill_on_drop: false }`
[INFO] [stdout] 72913cd3c73227b269dde9527487e63655f23e657f551f5ba610246553ab37b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 90e0b980e5965222aa8d71b8a44c49b81952f077137d0785213486f109f45edd
[INFO] running `Command { std: "docker" "start" "-a" "90e0b980e5965222aa8d71b8a44c49b81952f077137d0785213486f109f45edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling cargo_metadata v0.22.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling libcnb-proc-macros v0.29.3
[INFO] [stderr]    Compiling libcnb-data v0.29.3
[INFO] [stderr]    Compiling libcnb v0.29.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `Command { std: "docker" "inspect" "90e0b980e5965222aa8d71b8a44c49b81952f077137d0785213486f109f45edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e0b980e5965222aa8d71b8a44c49b81952f077137d0785213486f109f45edd", kill_on_drop: false }`
[INFO] [stdout] 90e0b980e5965222aa8d71b8a44c49b81952f077137d0785213486f109f45edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f51c5c7eb4e17dbaa0c2ff5af4634a66326b348321bb990536e1bb5892cfce4d
[INFO] running `Command { std: "docker" "start" "-a" "f51c5c7eb4e17dbaa0c2ff5af4634a66326b348321bb990536e1bb5892cfce4d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcnb-00eca78b54a749f7)
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test layer::shared::test::read_malformed_toml_layer ... ok
[INFO] [stdout] test layer::shared::test::read_nonexistent_layer ... ok
[INFO] [stdout] test layer::shared::test::read_layer_without_layer_content_metadata ... ok
[INFO] [stdout] test layer::shared::test::read_incompatible_metadata_layer ... ok
[INFO] [stdout] test layer::shared::test::read_layer ... ok
[INFO] [stdout] test layer::struct_api::handling::tests::handle_layer_cached_delete ... ok
[INFO] [stdout] test layer::struct_api::handling::tests::create_layer ... ok
[INFO] [stdout] test env::tests::into_iterator ... ok
[INFO] [stdout] test layer::struct_api::handling::tests::handle_layer_cached_invalid_metadata_delete ... ok
[INFO] [stdout] test layer::struct_api::handling::tests::handle_layer_uncached ... ok
[INFO] [stdout] test layer::struct_api::handling::tests::handle_layer_cached_keep ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::delete_layer ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::delete_nonexisting_layer ... ok
[INFO] [stdout] test layer::struct_api::handling::tests::handle_layer_cached_invalid_metadata_replace ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::write_existing_layer_keep_execd ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::write_existing_layer_overwrite_with_empty_execd ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::write_layer_keep_execd ... ok
[INFO] [stdout] test layer::shared::test::read_layer_without_layer_directory ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::delete_disjointed_layer ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::write_existing_layer ... ok
[INFO] [stdout] test layer::trait_api::tests::create ... ok
[INFO] [stdout] test layer::trait_api::tests::default_layer_method_implementations ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::write_nonexisting_layer ... ok
[INFO] [stdout] test layer::trait_api::tests::error_handling_no_directory ... ok
[INFO] [stdout] test layer::trait_api::tests::create_then_recreate ... ok
[INFO] [stdout] test layer::trait_api::tests::create_then_keep ... ok
[INFO] [stdout] test layer::trait_api::tests::update_with_incompatible_metadata_recreate ... ok
[INFO] [stdout] test layer_env::tests::layer_env_delta_fs_read_write ... ok
[INFO] [stdout] test layer_env::tests::layer_env_delta_eq ... ok
[INFO] [stdout] test layer::trait_api::tests::update_with_incompatible_metadata_replace ... ok
[INFO] [stdout] test layer::trait_api::tests::error_handling_no_metadata_toml ... ok
[INFO] [stdout] test layer::trait_api::tests::layer_env_read_write ... ok
[INFO] [stdout] test layer::trait_api::tests::create_then_update ... ok
[INFO] [stdout] test layer::trait_api::handling::tests::write_nonexisting_layer_with_nonexisting_exec_d_path ... ok
[INFO] [stdout] test layer::trait_api::tests::write_layer_env ... ok
[INFO] [stdout] test layer_env::tests::layer_env_insert ... ok
[INFO] [stdout] test layer_env::tests::read_from_layer_dir_layer_paths_launch ... ok
[INFO] [stdout] test layer_env::tests::layer_paths_come_before_manually_added_paths ... ok
[INFO] [stdout] test layer_env::tests::modification_behavior_order ... ok
[INFO] [stdout] test platform::tests::read_platform_env_handles_directories_via_symlinks ... ok
[INFO] [stdout] test layer_env::tests::read_from_layer_dir_layer_paths_build ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_add_root_dir_should_append_posix_directories ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_env_files_have_no_suffix_default_action_is_override ... ok
[INFO] [stdout] test platform::tests::read_platform_env_does_not_blow_up_if_platform_env_is_missing ... ok
[INFO] [stdout] test platform::tests::read_platform_env_handles_directories_in_env_folder ... ok
[INFO] [stdout] test layer_env::tests::reference_impl_env_files_have_a_suffix_it_performs_the_matching_action ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_notfound ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_ok ... ok
[INFO] [stdout] test platform::tests::read_platform_env_reads_correct_env_vars ... ok
[INFO] [stdout] test util::tests::default_on_not_found_with_brokenpipe ... ok
[INFO] [stdout] test util::tests::remove_recursively_no_executable_bit_directory ... ok
[INFO] [stdout] test util::tests::remove_recursively_readonly_directory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcnb
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/../README.md - (line 99) - compile ... ok
[INFO] [stdout] test src/build.rs - build::BuildContext<B>::cached_layer (line 229) ... ok
[INFO] [stdout] test src/layer/trait_api/mod.rs - layer::trait_api::LayerResultBuilder<M>::sbom (line 246) - compile ... ok
[INFO] [stdout] test src/build.rs - build::BuildResultBuilder (line 502) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv (line 68) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::apply (line 126) ... ok
[INFO] [stdout] test src/env.rs - env::Env (line 9) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::insert (line 177) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::chainable_insert (line 220) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv (line 39) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::new (line 106) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::read_from_layer_dir (line 256) ... ok
[INFO] [stdout] test src/platform.rs - platform::Platform::from_path (line 24) - compile ... ok
[INFO] [stdout] test src/build.rs - build::BuildContext<B>::handle_layer (line 46) ... ok
[INFO] [stdout] test src/lib.rs - buildpack_main (line 52) ... ok
[INFO] [stdout] test src/detect.rs - detect::DetectResultBuilder (line 35) ... ok
[INFO] [stdout] test src/build.rs - build::BuildContext<B>::cached_layer (line 138) ... ok
[INFO] [stdout] test src/build.rs - build::BuildContext<B>::uncached_layer (line 389) ... ok
[INFO] [stdout] test src/layer_env.rs - layer_env::LayerEnv::write_to_layer_dir (line 343) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/layer/trait_api/mod.rs - layer::trait_api::LayerResultBuilder<M>::exec_d_program (line 218) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - additional_buildpack_binary_path (line 98) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.53s; merged doctests compilation took 2.10s
[INFO] running `Command { std: "docker" "inspect" "f51c5c7eb4e17dbaa0c2ff5af4634a66326b348321bb990536e1bb5892cfce4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51c5c7eb4e17dbaa0c2ff5af4634a66326b348321bb990536e1bb5892cfce4d", kill_on_drop: false }`
[INFO] [stdout] f51c5c7eb4e17dbaa0c2ff5af4634a66326b348321bb990536e1bb5892cfce4d