[INFO] cloning repository https://github.com/ClubRobotInsat/robot_rust_2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClubRobotInsat/robot_rust_2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClubRobotInsat%2Frobot_rust_2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClubRobotInsat%2Frobot_rust_2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 298761ee0caf020ffed27ad500726b779bdf8e6e [INFO] checking ClubRobotInsat/robot_rust_2022/298761ee0caf020ffed27ad500726b779bdf8e6e 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%2FClubRobotInsat%2Frobot_rust_2022" "/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/ClubRobotInsat/robot_rust_2022 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/ClubRobotInsat/robot_rust_2022 [INFO] finished tweaking git repo https://github.com/ClubRobotInsat/robot_rust_2022 [INFO] tweaked toml for git repo https://github.com/ClubRobotInsat/robot_rust_2022 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ClubRobotInsat/robot_rust_2022 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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] ba99a6b9ed7270e89ac2ff69d126d435f3b82d206ff465541117ea8069241036 [INFO] running `Command { std: "docker" "start" "-a" "ba99a6b9ed7270e89ac2ff69d126d435f3b82d206ff465541117ea8069241036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba99a6b9ed7270e89ac2ff69d126d435f3b82d206ff465541117ea8069241036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba99a6b9ed7270e89ac2ff69d126d435f3b82d206ff465541117ea8069241036", kill_on_drop: false }` [INFO] [stdout] ba99a6b9ed7270e89ac2ff69d126d435f3b82d206ff465541117ea8069241036 [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] 5d03b8c61885f62a4b7f3bb5874743a8047365e86c493fa0fcef399aa1a1563a [INFO] running `Command { std: "docker" "start" "-a" "5d03b8c61885f62a4b7f3bb5874743a8047365e86c493fa0fcef399aa1a1563a", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling heapless v0.7.13 [INFO] [stderr] Checking network_protocol v0.1.0 (/opt/rustwide/workdir/network_protocol) [INFO] [stdout] warning: fields `rx` and `uncompleted_messages` are never read [INFO] [stdout] --> network_protocol/src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct MessageSender { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | rx: Rx, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 48 | uncompleted_messages: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] --> network_protocol/src/lib.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 52 | ...fn new(host_id: u8, tx: Tx, rx: Rx) -> Result,MessageCreationError> { [INFO] [stdout] | ------ ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 57 | ...Ok(MessageSender { host_id, tx, rx, id_mess_counter: 0, message_queue: [INIT;7], received_buffer: Vec::new(), uncompleted_messages: Vec::new()... [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> network_protocol/src/model/message.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn new(id: u8, id_dest: u8, id_src: u8, data: Vec) -> Result { [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 32 | let mut vec =Vec::::new(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | Ok(Message { id, id_dest, id_src, data, ack_received: vec}) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> network_protocol/src/model/tests/message_tests.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | self.buff.push(word); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = self.buff.push(word); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rx` and `uncompleted_messages` are never read [INFO] [stdout] --> network_protocol/src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct MessageSender { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | rx: Rx, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 48 | uncompleted_messages: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] --> network_protocol/src/lib.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 52 | ...fn new(host_id: u8, tx: Tx, rx: Rx) -> Result,MessageCreationError> { [INFO] [stdout] | ------ ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 57 | ...Ok(MessageSender { host_id, tx, rx, id_mess_counter: 0, message_queue: [INIT;7], received_buffer: Vec::new(), uncompleted_messages: Vec::new()... [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 2 previous errors; 2 warnings emitted [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] --> network_protocol/src/model/message.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn new(id: u8, id_dest: u8, id_src: u8, data: Vec) -> Result { [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 32 | let mut vec =Vec::::new(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | Ok(Message { id, id_dest, id_src, data, ack_received: vec}) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `network_protocol` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `network_protocol` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5d03b8c61885f62a4b7f3bb5874743a8047365e86c493fa0fcef399aa1a1563a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d03b8c61885f62a4b7f3bb5874743a8047365e86c493fa0fcef399aa1a1563a", kill_on_drop: false }` [INFO] [stdout] 5d03b8c61885f62a4b7f3bb5874743a8047365e86c493fa0fcef399aa1a1563a