[INFO] fetching crate libcnb 0.30.1... [INFO] checking libcnb-0.30.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate libcnb 0.30.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate libcnb 0.30.1 [INFO] finished tweaking crates.io crate libcnb 0.30.1 [INFO] tweaked toml for crates.io crate libcnb 0.30.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate libcnb 0.30.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate libcnb 0.30.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e5955c948214e0b8c8574f26f93e6367c7d4d4a5f7ce4640994d484cf0528c2 [INFO] running `Command { std: "docker" "start" "-a" "8e5955c948214e0b8c8574f26f93e6367c7d4d4a5f7ce4640994d484cf0528c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e5955c948214e0b8c8574f26f93e6367c7d4d4a5f7ce4640994d484cf0528c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e5955c948214e0b8c8574f26f93e6367c7d4d4a5f7ce4640994d484cf0528c2", kill_on_drop: false }` [INFO] [stdout] 8e5955c948214e0b8c8574f26f93e6367c7d4d4a5f7ce4640994d484cf0528c2 [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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d3bf50b9a8fa14b31ce06b5b549d5b9f599071eddc386ddea3e520d449fbe50 [INFO] running `Command { std: "docker" "start" "-a" "9d3bf50b9a8fa14b31ce06b5b549d5b9f599071eddc386ddea3e520d449fbe50", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling bit-vec v0.8.0 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling camino v1.2.1 [INFO] [stderr] Checking toml_parser v1.0.4 [INFO] [stderr] Checking toml_writer v1.0.4 [INFO] [stderr] Checking uriparse v0.6.4 [INFO] [stderr] Checking toml_datetime v0.7.3 [INFO] [stderr] Checking serde_spanned v1.0.3 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking bit-set v0.8.0 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Checking toml v0.9.8 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Checking fancy-regex v0.16.2 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking libcnb-common v0.30.1 [INFO] [stderr] Compiling cargo-platform v0.3.0 [INFO] [stderr] Compiling cargo_metadata v0.23.0 [INFO] [stderr] Compiling libcnb-proc-macros v0.30.1 [INFO] [stderr] Checking libcnb-data v0.30.1 [INFO] [stderr] Checking libcnb v0.30.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:65:85 [INFO] [stdout] | [INFO] [stdout] 65 | ) -> Result, ::Error> { [INFO] [stdout] | _____________________________________________________________________________________^ [INFO] [stdout] 66 | | fs::write( [INFO] [stdout] 67 | | layer_path.join(TEST_LAYER_CREATE_FILE_NAME), [INFO] [stdout] 68 | | TEST_LAYER_CREATE_FILE_CONTENTS, [INFO] [stdout] ... | [INFO] [stdout] 76 | | .build() [INFO] [stdout] 77 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | / LayerResultBuilder::new(TestLayerMetadata { [INFO] [stdout] 73 | | version: self.write_version.clone(), [INFO] [stdout] 74 | | }) [INFO] [stdout] 75 | | .env(self.write_layer_env.clone().unwrap_or_default()) [INFO] [stdout] 76 | | .build() [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/layer/trait_api/tests.rs:83:79 [INFO] [stdout] | [INFO] [stdout] 83 | ) -> Result::Error> { [INFO] [stdout] | _______________________________________________________________________________^ [INFO] [stdout] 84 | | Ok(self.existing_layer_strategy) [INFO] [stdout] 85 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/layer/trait_api/tests.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | Ok(self.existing_layer_strategy) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:91:85 [INFO] [stdout] | [INFO] [stdout] 91 | ) -> Result, ::Error> { [INFO] [stdout] | _____________________________________________________________________________________^ [INFO] [stdout] 92 | | fs::write( [INFO] [stdout] 93 | | layer_data.path.join(TEST_LAYER_UPDATE_FILE_NAME), [INFO] [stdout] 94 | | TEST_LAYER_UPDATE_FILE_CONTENTS, [INFO] [stdout] ... | [INFO] [stdout] 98 | | LayerResultBuilder::new(layer_data.content_metadata.metadata.clone()).build() [INFO] [stdout] 99 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | LayerResultBuilder::new(layer_data.content_metadata.metadata.clone()).build() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:105:91 [INFO] [stdout] | [INFO] [stdout] 105 | ) -> Result, ::Error> { [INFO] [stdout] | ___________________________________________________________________________________________^ [INFO] [stdout] 106 | | match metadata.clone().and_then(|toml| toml.get("v").cloned()) { [INFO] [stdout] 107 | | Some(toml::Value::String(version)) => { [INFO] [stdout] 108 | | Ok(MetadataMigration::ReplaceMetadata(TestLayerMetadata { [INFO] [stdout] ... | [INFO] [stdout] 114 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | / match metadata.clone().and_then(|toml| toml.get("v").cloned()) { [INFO] [stdout] 107 | | Some(toml::Value::String(version)) => { [INFO] [stdout] 108 | | Ok(MetadataMigration::ReplaceMetadata(TestLayerMetadata { [INFO] [stdout] 109 | | version, [INFO] [stdout] ... | [INFO] [stdout] 112 | | _ => Ok(MetadataMigration::RecreateLayer), [INFO] [stdout] 113 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:107:51 [INFO] [stdout] | [INFO] [stdout] 107 | Some(toml::Value::String(version)) => { [INFO] [stdout] | ___________________________________________________^ [INFO] [stdout] 108 | | Ok(MetadataMigration::ReplaceMetadata(TestLayerMetadata { [INFO] [stdout] 109 | | version, [INFO] [stdout] 110 | | })) [INFO] [stdout] 111 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | / Ok(MetadataMigration::ReplaceMetadata(TestLayerMetadata { [INFO] [stdout] 109 | | version, [INFO] [stdout] 110 | | })) [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:112:18 [INFO] [stdout] | [INFO] [stdout] 112 | _ => Ok(MetadataMigration::RecreateLayer), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:753:89 [INFO] [stdout] | [INFO] [stdout] 753 | ) -> Result, ::Error> { [INFO] [stdout] | _________________________________________________________________________________________^ [INFO] [stdout] 754 | | LayerResultBuilder::new(SimpleLayerMetadata { [INFO] [stdout] 755 | | field_one: String::from("value one"), [INFO] [stdout] 756 | | field_two: 2, [INFO] [stdout] 757 | | }) [INFO] [stdout] 758 | | .build() [INFO] [stdout] 759 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / LayerResultBuilder::new(SimpleLayerMetadata { [INFO] [stdout] 755 | | field_one: String::from("value one"), [INFO] [stdout] 756 | | field_two: 2, [INFO] [stdout] 757 | | }) [INFO] [stdout] 758 | | .build() [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:795:11 [INFO] [stdout] | [INFO] [stdout] 795 | match simple_layer.migrate_incompatible_metadata(&context, &GenericMetadata::default()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/layer/trait_api/tests.rs:804:9 [INFO] [stdout] | [INFO] [stdout] 804 | / simple_layer [INFO] [stdout] 805 | | .existing_layer_strategy(&context, &layer_data) [INFO] [stdout] | |___________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:812:25 [INFO] [stdout] | [INFO] [stdout] 812 | let update_result = simple_layer.update(&context, &layer_data).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result>>, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:842:89 [INFO] [stdout] | [INFO] [stdout] 842 | ) -> Result, ::Error> { [INFO] [stdout] | _________________________________________________________________________________________^ [INFO] [stdout] 843 | | LayerResultBuilder::new(GenericMetadata::default()) [INFO] [stdout] 844 | | .env(self.expected_layer_env.clone()) [INFO] [stdout] 845 | | .build() [INFO] [stdout] 846 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result>>, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:843:13 [INFO] [stdout] | [INFO] [stdout] 843 | / LayerResultBuilder::new(GenericMetadata::default()) [INFO] [stdout] 844 | | .env(self.expected_layer_env.clone()) [INFO] [stdout] 845 | | .build() [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/layer/trait_api/tests.rs:852:83 [INFO] [stdout] | [INFO] [stdout] 852 | ) -> Result::Error> { [INFO] [stdout] | ___________________________________________________________________________________^ [INFO] [stdout] 853 | | assert_eq!(&layer_data.env, &self.expected_layer_env); [INFO] [stdout] 854 | | [INFO] [stdout] 855 | | Ok(ExistingLayerStrategy::Update) [INFO] [stdout] 856 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/layer/trait_api/tests.rs:855:13 [INFO] [stdout] | [INFO] [stdout] 855 | Ok(ExistingLayerStrategy::Update) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result>>, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:862:89 [INFO] [stdout] | [INFO] [stdout] 862 | ) -> Result, ::Error> { [INFO] [stdout] | _________________________________________________________________________________________^ [INFO] [stdout] 863 | | assert_eq!(&layer_data.env, &self.expected_layer_env); [INFO] [stdout] 864 | | [INFO] [stdout] 865 | | LayerResultBuilder::new(GenericMetadata::default()).build() [INFO] [stdout] 866 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result>>, TestBuildpackError> [INFO] [stdout] --> src/layer/trait_api/tests.rs:865:13 [INFO] [stdout] | [INFO] [stdout] 865 | LayerResultBuilder::new(GenericMetadata::default()).build() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libcnb` (lib test) due to 22 previous errors [INFO] running `Command { std: "docker" "inspect" "9d3bf50b9a8fa14b31ce06b5b549d5b9f599071eddc386ddea3e520d449fbe50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d3bf50b9a8fa14b31ce06b5b549d5b9f599071eddc386ddea3e520d449fbe50", kill_on_drop: false }` [INFO] [stdout] 9d3bf50b9a8fa14b31ce06b5b549d5b9f599071eddc386ddea3e520d449fbe50