[INFO] fetching crate roslibrust_codegen 0.11.0... [INFO] checking roslibrust_codegen-0.11.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate roslibrust_codegen 0.11.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate roslibrust_codegen 0.11.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate roslibrust_codegen 0.11.0 [INFO] finished tweaking crates.io crate roslibrust_codegen 0.11.0 [INFO] tweaked toml for crates.io crate roslibrust_codegen 0.11.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 84 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.10.2 (available: v0.11.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding matchers v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.1) [INFO] [stderr] Adding regex-automata v0.1.10 (available: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 551a9c5927b19f2a395602d3d0cb7cf5dbc00b5d89bbabce11e4170ca39070cf [INFO] running `Command { std: "docker" "start" "-a" "551a9c5927b19f2a395602d3d0cb7cf5dbc00b5d89bbabce11e4170ca39070cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "551a9c5927b19f2a395602d3d0cb7cf5dbc00b5d89bbabce11e4170ca39070cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "551a9c5927b19f2a395602d3d0cb7cf5dbc00b5d89bbabce11e4170ca39070cf", kill_on_drop: false }` [INFO] [stdout] 551a9c5927b19f2a395602d3d0cb7cf5dbc00b5d89bbabce11e4170ca39070cf [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=forbid -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b7b1b09542417c7459ebe9d3c2c62a16bf0f1ec2b233a365b737d4e9de5f8e9 [INFO] running `Command { std: "docker" "start" "-a" "8b7b1b09542417c7459ebe9d3c2c62a16bf0f1ec2b233a365b737d4e9de5f8e9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking xml-rs v0.8.22 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking simple-error v0.3.1 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling smart-default v0.7.1 [INFO] [stderr] Compiling test-log-macros v0.2.16 [INFO] [stderr] Checking test-log v0.2.16 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking serde-big-array v0.5.1 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking roslibrust_codegen v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:713:1 [INFO] [stdout] | [INFO] [stdout] 713 | / pub fn generate_rust_ros_message_definitions( [INFO] [stdout] 714 | | messages: Vec, [INFO] [stdout] 715 | | services: Vec, [INFO] [stdout] 716 | | ) -> Result { [INFO] [stdout] | |_______________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/lib.rs:732:20 [INFO] [stdout] | [INFO] [stdout] 732 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:713:1 [INFO] [stdout] | [INFO] [stdout] 713 | / pub fn generate_rust_ros_message_definitions( [INFO] [stdout] 714 | | messages: Vec, [INFO] [stdout] 715 | | services: Vec, [INFO] [stdout] 716 | | ) -> Result { [INFO] [stdout] | |_______________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/lib.rs:732:20 [INFO] [stdout] | [INFO] [stdout] 732 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.45s [INFO] running `Command { std: "docker" "inspect" "8b7b1b09542417c7459ebe9d3c2c62a16bf0f1ec2b233a365b737d4e9de5f8e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7b1b09542417c7459ebe9d3c2c62a16bf0f1ec2b233a365b737d4e9de5f8e9", kill_on_drop: false }` [INFO] [stdout] 8b7b1b09542417c7459ebe9d3c2c62a16bf0f1ec2b233a365b737d4e9de5f8e9