[INFO] fetching crate medea-jason 0.4.0... [INFO] checking medea-jason-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate medea-jason 0.4.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate medea-jason 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate medea-jason 0.4.0 [INFO] finished tweaking crates.io crate medea-jason 0.4.0 [INFO] tweaked toml for crates.io crate medea-jason 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 173 packages [INFO] [stderr] Adding atomic v0.5.3 (latest: v0.6.0) [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding env_logger v0.10.2 (latest: v0.11.3) [INFO] [stderr] Adding flutter_rust_bridge v1.77.1 (latest: v1.82.6) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding mockall v0.11.4 (latest: v0.12.1) [INFO] [stderr] Adding mockall_derive v0.11.4 (latest: v0.12.1) [INFO] [stderr] Adding predicates v2.1.5 (latest: v3.1.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding sealed v0.3.0 (latest: v0.5.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wee_alloc v0.4.5 [INFO] [stderr] Downloaded memory_units v0.4.0 [INFO] [stderr] Downloaded android_logger v0.13.3 [INFO] [stderr] Downloaded allo-isolate v0.1.24 [INFO] [stderr] Downloaded build-target v0.4.0 [INFO] [stderr] Downloaded flutter_rust_bridge_macros v1.82.6 [INFO] [stderr] Downloaded medea-reactive v0.1.2 [INFO] [stderr] Downloaded sealed v0.3.0 [INFO] [stderr] Downloaded tracerr v0.3.0 [INFO] [stderr] Downloaded medea-macro v0.3.0 [INFO] [stderr] Downloaded medea-client-api-proto v0.5.0 [INFO] [stderr] Downloaded flutter_rust_bridge v1.77.1 [INFO] [stderr] Downloaded dart-sys v4.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7492ef130f3602abd4fa51bfdcf2349eb6419d3448cfeb7db02e4c42a6e89eac [INFO] running `Command { std: "docker" "start" "-a" "7492ef130f3602abd4fa51bfdcf2349eb6419d3448cfeb7db02e4c42a6e89eac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7492ef130f3602abd4fa51bfdcf2349eb6419d3448cfeb7db02e4c42a6e89eac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7492ef130f3602abd4fa51bfdcf2349eb6419d3448cfeb7db02e4c42a6e89eac", kill_on_drop: false }` [INFO] [stdout] 7492ef130f3602abd4fa51bfdcf2349eb6419d3448cfeb7db02e4c42a6e89eac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29bc0f58a64aa12e903337e1ab785d51e1cc4e85c6e33de0522607b9cb6e04b3 [INFO] running `Command { std: "docker" "start" "-a" "29bc0f58a64aa12e903337e1ab785d51e1cc4e85c6e33de0522607b9cb6e04b3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling dart-sys v4.1.5 [INFO] [stderr] Compiling build-target v0.4.0 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling flutter_rust_bridge v1.77.1 [INFO] [stderr] Compiling darling_core v0.20.8 [INFO] [stderr] Checking atomic v0.5.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking allo-isolate v0.1.24 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Compiling medea-jason v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Compiling flutter_rust_bridge_macros v1.82.6 [INFO] [stderr] Compiling sealed v0.5.0 [INFO] [stderr] Checking backoff v0.4.0 [INFO] [stderr] Checking medea-reactive v0.1.2 [INFO] [stderr] Compiling medea-macro v0.3.0 [INFO] [stderr] Compiling async-recursion v1.1.0 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling darling_macro v0.20.8 [INFO] [stderr] Checking simple_logger v4.3.3 [INFO] [stderr] Compiling darling v0.20.8 [INFO] [stderr] Compiling serde_with_macros v3.7.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling sealed v0.3.0 [INFO] [stderr] Checking serde_with v3.7.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking medea-client-api-proto v0.5.0 [INFO] [stderr] Checking tracerr v0.3.0 [INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code` [INFO] [stdout] --> src/lib.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | unused_tuple_struct_fields, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code` [INFO] [stdout] --> src/platform/dart/utils/dart_future.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | #[allow(unused_tuple_struct_fields)] Dart_Handle, // read by Dart side [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code` [INFO] [stdout] --> src/lib.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | unused_tuple_struct_fields, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code` [INFO] [stdout] --> src/platform/dart/utils/dart_future.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | #[allow(unused_tuple_struct_fields)] Dart_Handle, // read by Dart side [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::result::Result::::map_or` that must be used [INFO] [stdout] --> src/rpc/heartbeat.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.transport [INFO] [stdout] 69 | | .send(&ClientMsg::Pong(n)) [INFO] [stdout] 70 | | .map_err(tracerr::wrap!(=> platform::TransportError)) [INFO] [stdout] 71 | | .map_err(|e| log::error!("Failed to send pong: {e}")) [INFO] [stdout] 72 | | .map_or((), drop); [INFO] [stdout] | |_____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the returned value, use `if let` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.transport [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::result::Result::::map_or` that must be used [INFO] [stdout] --> src/rpc/heartbeat.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.transport [INFO] [stdout] 69 | | .send(&ClientMsg::Pong(n)) [INFO] [stdout] 70 | | .map_err(tracerr::wrap!(=> platform::TransportError)) [INFO] [stdout] 71 | | .map_err(|e| log::error!("Failed to send pong: {e}")) [INFO] [stdout] 72 | | .map_or((), drop); [INFO] [stdout] | |_____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the returned value, use `if let` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.transport [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.85s [INFO] running `Command { std: "docker" "inspect" "29bc0f58a64aa12e903337e1ab785d51e1cc4e85c6e33de0522607b9cb6e04b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29bc0f58a64aa12e903337e1ab785d51e1cc4e85c6e33de0522607b9cb6e04b3", kill_on_drop: false }` [INFO] [stdout] 29bc0f58a64aa12e903337e1ab785d51e1cc4e85c6e33de0522607b9cb6e04b3