[INFO] cloning repository https://github.com/RustyYato/test-harness [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustyYato/test-harness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Ftest-harness", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Ftest-harness'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eeeda9cd27ec3d9002df58368160ffbbb5d37efc [INFO] checking RustyYato/test-harness against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Ftest-harness" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/RustyYato/test-harness [INFO] finished tweaking git repo https://github.com/RustyYato/test-harness [INFO] tweaked toml for git repo https://github.com/RustyYato/test-harness written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/RustyYato/test-harness 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 git repo https://github.com/RustyYato/test-harness 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a8fc0af7d0852ed57d517b36600d5bb73b690e0c3c68b8aa54a54c7e2bf6b24 [INFO] running `Command { std: "docker" "start" "-a" "9a8fc0af7d0852ed57d517b36600d5bb73b690e0c3c68b8aa54a54c7e2bf6b24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a8fc0af7d0852ed57d517b36600d5bb73b690e0c3c68b8aa54a54c7e2bf6b24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a8fc0af7d0852ed57d517b36600d5bb73b690e0c3c68b8aa54a54c7e2bf6b24", kill_on_drop: false }` [INFO] [stdout] 9a8fc0af7d0852ed57d517b36600d5bb73b690e0c3c68b8aa54a54c7e2bf6b24 [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=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] f7894844e26ed1bbbdc0e4a7e48b508dd520f15f582c15ba73abb0ecfdc6c582 [INFO] running `Command { std: "docker" "start" "-a" "f7894844e26ed1bbbdc0e4a7e48b508dd520f15f582c15ba73abb0ecfdc6c582", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling linkme-impl v0.3.33 [INFO] [stderr] Checking anstream v0.6.20 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking rustc-demangle v0.1.26 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking nu-ansi-term v0.50.1 [INFO] [stderr] Checking float-pretty-print v0.1.1 [INFO] [stderr] Checking similar v2.7.0 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking clap_builder v4.5.47 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking test-2024-crate v0.1.0 (/opt/rustwide/workdir/test-2024-crate) [INFO] [stderr] Checking test-2015-crate v0.1.0 (/opt/rustwide/workdir/test-2015-crate) [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking clap v4.5.47 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Checking linkme v0.3.33 [INFO] [stderr] Checking backtrace v0.3.75 [INFO] [stderr] Checking test-harness v0.1.0 (/opt/rustwide/workdir/test-harness) [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:271:92 [INFO] [stdout] | [INFO] [stdout] 271 | fn serialize_seq(self, _len: Option) -> Result { [INFO] [stdout] | ____________________________________________________________________________________________^ [INFO] [stdout] 272 | | self.value.tab(); [INFO] [stdout] 273 | | self.value.push_str("[\n"); [INFO] [stdout] 274 | | Ok(self) [INFO] [stdout] 275 | | } [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: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:274:9 [INFO] [stdout] | [INFO] [stdout] 274 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:277:88 [INFO] [stdout] | [INFO] [stdout] 277 | fn serialize_tuple(self, _len: usize) -> Result { [INFO] [stdout] | ________________________________________________________________________________________^ [INFO] [stdout] 278 | | self.value.tab(); [INFO] [stdout] 279 | | self.value.push_str("(\n"); [INFO] [stdout] 280 | | Ok(self) [INFO] [stdout] 281 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:280:9 [INFO] [stdout] | [INFO] [stdout] 280 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:287:58 [INFO] [stdout] | [INFO] [stdout] 287 | ) -> Result { [INFO] [stdout] | __________________________________________________________^ [INFO] [stdout] 288 | | self.value.tab(); [INFO] [stdout] 289 | | self.value.push_str(name); [INFO] [stdout] 290 | | self.value.push_str("(\n"); [INFO] [stdout] 291 | | Ok(self) [INFO] [stdout] 292 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:300:59 [INFO] [stdout] | [INFO] [stdout] 300 | ) -> Result { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 301 | | self.value.tab(); [INFO] [stdout] 302 | | self.value.push_str(name); [INFO] [stdout] 303 | | self.value.push_str("::"); [INFO] [stdout] ... | [INFO] [stdout] 306 | | Ok(self) [INFO] [stdout] 307 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:306:9 [INFO] [stdout] | [INFO] [stdout] 306 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:309:92 [INFO] [stdout] | [INFO] [stdout] 309 | fn serialize_map(self, _len: Option) -> Result { [INFO] [stdout] | ____________________________________________________________________________________________^ [INFO] [stdout] 310 | | self.value.tab(); [INFO] [stdout] 311 | | self.value.push_str("{"); [INFO] [stdout] 312 | | Ok(self) [INFO] [stdout] 313 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:319:53 [INFO] [stdout] | [INFO] [stdout] 319 | ) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 320 | | self.value.tab(); [INFO] [stdout] 321 | | self.value.push_str(name); [INFO] [stdout] 322 | | self.value.push_str(" {\n"); [INFO] [stdout] 323 | | Ok(self) [INFO] [stdout] 324 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:323:9 [INFO] [stdout] | [INFO] [stdout] 323 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:332:60 [INFO] [stdout] | [INFO] [stdout] 332 | ) -> Result { [INFO] [stdout] | ____________________________________________________________^ [INFO] [stdout] 333 | | self.value.tab(); [INFO] [stdout] 334 | | self.value.push_str(name); [INFO] [stdout] 335 | | self.value.push_str("::"); [INFO] [stdout] ... | [INFO] [stdout] 338 | | Ok(self) [INFO] [stdout] 339 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:338:9 [INFO] [stdout] | [INFO] [stdout] 338 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:271:92 [INFO] [stdout] | [INFO] [stdout] 271 | fn serialize_seq(self, _len: Option) -> Result { [INFO] [stdout] | ____________________________________________________________________________________________^ [INFO] [stdout] 272 | | self.value.tab(); [INFO] [stdout] 273 | | self.value.push_str("[\n"); [INFO] [stdout] 274 | | Ok(self) [INFO] [stdout] 275 | | } [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: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:274:9 [INFO] [stdout] | [INFO] [stdout] 274 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:277:88 [INFO] [stdout] | [INFO] [stdout] 277 | fn serialize_tuple(self, _len: usize) -> Result { [INFO] [stdout] | ________________________________________________________________________________________^ [INFO] [stdout] 278 | | self.value.tab(); [INFO] [stdout] 279 | | self.value.push_str("(\n"); [INFO] [stdout] 280 | | Ok(self) [INFO] [stdout] 281 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:280:9 [INFO] [stdout] | [INFO] [stdout] 280 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:287:58 [INFO] [stdout] | [INFO] [stdout] 287 | ) -> Result { [INFO] [stdout] | __________________________________________________________^ [INFO] [stdout] 288 | | self.value.tab(); [INFO] [stdout] 289 | | self.value.push_str(name); [INFO] [stdout] 290 | | self.value.push_str("(\n"); [INFO] [stdout] 291 | | Ok(self) [INFO] [stdout] 292 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:300:59 [INFO] [stdout] | [INFO] [stdout] 300 | ) -> Result { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 301 | | self.value.tab(); [INFO] [stdout] 302 | | self.value.push_str(name); [INFO] [stdout] 303 | | self.value.push_str("::"); [INFO] [stdout] ... | [INFO] [stdout] 306 | | Ok(self) [INFO] [stdout] 307 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:306:9 [INFO] [stdout] | [INFO] [stdout] 306 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:309:92 [INFO] [stdout] | [INFO] [stdout] 309 | fn serialize_map(self, _len: Option) -> Result { [INFO] [stdout] | ____________________________________________________________________________________________^ [INFO] [stdout] 310 | | self.value.tab(); [INFO] [stdout] 311 | | self.value.push_str("{"); [INFO] [stdout] 312 | | Ok(self) [INFO] [stdout] 313 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:319:53 [INFO] [stdout] | [INFO] [stdout] 319 | ) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 320 | | self.value.tab(); [INFO] [stdout] 321 | | self.value.push_str(name); [INFO] [stdout] 322 | | self.value.push_str(" {\n"); [INFO] [stdout] 323 | | Ok(self) [INFO] [stdout] 324 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:323:9 [INFO] [stdout] | [INFO] [stdout] 323 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:332:60 [INFO] [stdout] | [INFO] [stdout] 332 | ) -> Result { [INFO] [stdout] | ____________________________________________________________^ [INFO] [stdout] 333 | | self.value.tab(); [INFO] [stdout] 334 | | self.value.push_str(name); [INFO] [stdout] 335 | | self.value.push_str("::"); [INFO] [stdout] ... | [INFO] [stdout] 338 | | Ok(self) [INFO] [stdout] 339 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<&mut TestSerializer, NeverError> [INFO] [stdout] --> test-harness/src/serializer.rs:338:9 [INFO] [stdout] | [INFO] [stdout] 338 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `test-harness` (lib) due to 14 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `test-harness` (lib test) due to 14 previous errors [INFO] running `Command { std: "docker" "inspect" "f7894844e26ed1bbbdc0e4a7e48b508dd520f15f582c15ba73abb0ecfdc6c582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7894844e26ed1bbbdc0e4a7e48b508dd520f15f582c15ba73abb0ecfdc6c582", kill_on_drop: false }` [INFO] [stdout] f7894844e26ed1bbbdc0e4a7e48b508dd520f15f582c15ba73abb0ecfdc6c582