[INFO] fetching crate rsmtp 0.1.3... [INFO] checking rsmtp-0.1.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rsmtp 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rsmtp 0.1.3 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 crates.io crate rsmtp 0.1.3 [INFO] finished tweaking crates.io crate rsmtp 0.1.3 [INFO] tweaked toml for crates.io crate rsmtp 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rsmtp 0.1.3 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b832e49e7b36605e5410fbe7e48ab8e13a7ae3af801e15e3206c172e733afb9c [INFO] running `Command { std: "docker" "start" "-a" "b832e49e7b36605e5410fbe7e48ab8e13a7ae3af801e15e3206c172e733afb9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b832e49e7b36605e5410fbe7e48ab8e13a7ae3af801e15e3206c172e733afb9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b832e49e7b36605e5410fbe7e48ab8e13a7ae3af801e15e3206c172e733afb9c", kill_on_drop: false }` [INFO] [stdout] b832e49e7b36605e5410fbe7e48ab8e13a7ae3af801e15e3206c172e733afb9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] db7c055da734543132069c24e06f0a0bf1f761442d6dc72ae95e516c628d450a [INFO] running `Command { std: "docker" "start" "-a" "db7c055da734543132069c24e06f0a0bf1f761442d6dc72ae95e516c628d450a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking rsmtp v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/common/stream.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `ready` is never used [INFO] [stdout] --> src/server/mod.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 134 | impl Command { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 175 | fn ready(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_hostname`, `set_max_recipients`, `set_max_message_size`, `increase_max_command_line_size`, and `increase_max_text_line_size` are never used [INFO] [stdout] --> src/server/mod.rs:257:8 [INFO] [stdout] | [INFO] [stdout] 236 | impl Server { [INFO] [stdout] | -------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 257 | fn set_hostname(&mut self, hostname: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 261 | fn set_max_recipients(&mut self, max: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 268 | fn set_max_message_size(&mut self, max: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 283 | fn increase_max_command_line_size(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 287 | fn increase_max_text_line_size(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/server/mod.rs:244:21 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn new(container: CT) -> Server { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 243 | Server { [INFO] [stdout] 244 | config: ServerConfig { [INFO] [stdout] | _____________________^ [INFO] [stdout] 245 | | hostname: String::new(), [INFO] [stdout] 246 | | max_recipients: 100, [INFO] [stdout] 247 | | max_message_size: 65536, [INFO] [stdout] ... | [INFO] [stdout] 251 | | extensions: Vec::with_capacity(16), [INFO] [stdout] 252 | | }, [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsmtp` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `ready` is never used [INFO] [stdout] --> src/server/mod.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 134 | impl Command { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 175 | fn ready(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_hostname`, `set_max_recipients`, `set_max_message_size`, `increase_max_command_line_size`, and `increase_max_text_line_size` are never used [INFO] [stdout] --> src/server/mod.rs:257:8 [INFO] [stdout] | [INFO] [stdout] 236 | impl Server { [INFO] [stdout] | -------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 257 | fn set_hostname(&mut self, hostname: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 261 | fn set_max_recipients(&mut self, max: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 268 | fn set_max_message_size(&mut self, max: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 283 | fn increase_max_command_line_size(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 287 | fn increase_max_text_line_size(&mut self, bytes: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/common/stream.rs:283:11 [INFO] [stdout] | [INFO] [stdout] 275 | let file: File; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 276 | let mut stream: InputStream; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 283 | match stream.read_line() { [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] --> src/server/mod.rs:244:21 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn new(container: CT) -> Server { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 243 | Server { [INFO] [stdout] 244 | config: ServerConfig { [INFO] [stdout] | _____________________^ [INFO] [stdout] 245 | | hostname: String::new(), [INFO] [stdout] 246 | | max_recipients: 100, [INFO] [stdout] 247 | | max_message_size: 65536, [INFO] [stdout] ... | [INFO] [stdout] 251 | | extensions: Vec::with_capacity(16), [INFO] [stdout] 252 | | }, [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsmtp` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "db7c055da734543132069c24e06f0a0bf1f761442d6dc72ae95e516c628d450a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db7c055da734543132069c24e06f0a0bf1f761442d6dc72ae95e516c628d450a", kill_on_drop: false }` [INFO] [stdout] db7c055da734543132069c24e06f0a0bf1f761442d6dc72ae95e516c628d450a