[INFO] cloning repository https://github.com/de-ost/State-Machine-Builder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/de-ost/State-Machine-Builder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-ost%2FState-Machine-Builder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-ost%2FState-Machine-Builder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7f43c806e5b9e0f34a40e91e03f49a9f9f029bc [INFO] checking de-ost/State-Machine-Builder/c7f43c806e5b9e0f34a40e91e03f49a9f9f029bc against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-ost%2FState-Machine-Builder" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/de-ost/State-Machine-Builder on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/de-ost/State-Machine-Builder [INFO] finished tweaking git repo https://github.com/de-ost/State-Machine-Builder [INFO] tweaked toml for git repo https://github.com/de-ost/State-Machine-Builder written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/de-ost/State-Machine-Builder 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf39a6a141c8b4ae76b8f3b5c26f4e95324ac3e994f2516904b4bdd0dbd9659d [INFO] running `Command { std: "docker" "start" "-a" "cf39a6a141c8b4ae76b8f3b5c26f4e95324ac3e994f2516904b4bdd0dbd9659d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf39a6a141c8b4ae76b8f3b5c26f4e95324ac3e994f2516904b4bdd0dbd9659d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf39a6a141c8b4ae76b8f3b5c26f4e95324ac3e994f2516904b4bdd0dbd9659d", kill_on_drop: false }` [INFO] [stdout] cf39a6a141c8b4ae76b8f3b5c26f4e95324ac3e994f2516904b4bdd0dbd9659d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45c8deb59c2a6f4f5aed0b8a43d2f214ff43acda10797ff671fba65d1a6769e9 [INFO] running `Command { std: "docker" "start" "-a" "45c8deb59c2a6f4f5aed0b8a43d2f214ff43acda10797ff671fba65d1a6769e9", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking unsafe-libyaml v0.2.10 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking clap_builder v4.4.11 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking clap v4.4.11 [INFO] [stderr] Checking serde_yaml v0.9.27 [INFO] [stderr] Checking state_machine_builder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `current_state`, `read_symbol`, `new_state`, and `output_symbol` are never read [INFO] [stdout] --> src/state_machines.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct MealyTransition { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 43 | pub current_state: String, // q [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 44 | pub read_symbol: Vec, // s [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 45 | pub new_state: String, // q' [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 46 | pub output_symbol: String, // o [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MealyTransition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:51:11 [INFO] [stdout] | [INFO] [stdout] 48 | let moore_machine: Result = serde_yaml::from_str(&yaml_str); [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | let mealy_machine: Result = serde_yaml::from_str(&yaml_str); [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | [INFO] [stdout] 51 | match (moore_machine, mealy_machine) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `current_state`, `read_symbol`, `new_state`, and `output_symbol` are never read [INFO] [stdout] --> src/state_machines.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct MealyTransition { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 43 | pub current_state: String, // q [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 44 | pub read_symbol: Vec, // s [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 45 | pub new_state: String, // q' [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 46 | pub output_symbol: String, // o [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MealyTransition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:51:11 [INFO] [stdout] | [INFO] [stdout] 48 | let moore_machine: Result = serde_yaml::from_str(&yaml_str); [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | let mealy_machine: Result = serde_yaml::from_str(&yaml_str); [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | [INFO] [stdout] 51 | match (moore_machine, mealy_machine) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `state_machine_builder` (bin "state_machine_builder") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `state_machine_builder` (bin "state_machine_builder" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "45c8deb59c2a6f4f5aed0b8a43d2f214ff43acda10797ff671fba65d1a6769e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45c8deb59c2a6f4f5aed0b8a43d2f214ff43acda10797ff671fba65d1a6769e9", kill_on_drop: false }` [INFO] [stdout] 45c8deb59c2a6f4f5aed0b8a43d2f214ff43acda10797ff671fba65d1a6769e9