[INFO] fetching crate espresso 0.0.1... [INFO] checking espresso-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate espresso 0.0.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate espresso 0.0.1 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 espresso 0.0.1 [INFO] finished tweaking crates.io crate espresso 0.0.1 [INFO] tweaked toml for crates.io crate espresso 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.7.1) [INFO] [stderr] Adding ron v0.5.1 (latest: v0.8.1) [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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a8c1fcafe750fad6dc2b873e4bce493b308dca6376076ad17edd32fa32d11edf [INFO] running `Command { std: "docker" "start" "-a" "a8c1fcafe750fad6dc2b873e4bce493b308dca6376076ad17edd32fa32d11edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8c1fcafe750fad6dc2b873e4bce493b308dca6376076ad17edd32fa32d11edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8c1fcafe750fad6dc2b873e4bce493b308dca6376076ad17edd32fa32d11edf", kill_on_drop: false }` [INFO] [stdout] a8c1fcafe750fad6dc2b873e4bce493b308dca6376076ad17edd32fa32d11edf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 12db48032a03634bc3624f4627617d266ceeaf0cf2e7bc3e95b28ad383a59369 [INFO] running `Command { std: "docker" "start" "-a" "12db48032a03634bc3624f4627617d266ceeaf0cf2e7bc3e95b28ad383a59369", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking ron v0.5.1 [INFO] [stderr] Checking espresso v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/buf_ext.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/class.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell` and `Ref` [INFO] [stdout] --> src/class.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ValueTooLarge` is never constructed [INFO] [stdout] --> src/buf_ext.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum TryError { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 10 | ValueTooLarge, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TryError` 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] warning: method `write` is never used [INFO] [stdout] --> src/buf_ext.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub trait WriteFrom: BufMut { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 38 | fn write(&mut self, value: &T) -> usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Field` is never constructed [INFO] [stdout] --> src/class.rs:442:12 [INFO] [stdout] | [INFO] [stdout] 442 | pub struct Field { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/buf_ext.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 136 | let mut data = Vec::with_capacity(length); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 141 | | offset: Default::default(), [INFO] [stdout] 142 | | prefix: Default::default(), [INFO] [stdout] 143 | | data, [INFO] [stdout] 144 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/buf_ext.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/class.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `espresso` (lib) due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused imports: `RefCell` and `Ref` [INFO] [stdout] --> src/class.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ValueTooLarge` is never constructed [INFO] [stdout] --> src/buf_ext.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum TryError { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 10 | ValueTooLarge, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TryError` 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] warning: method `write` is never used [INFO] [stdout] --> src/buf_ext.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub trait WriteFrom: BufMut { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 38 | fn write(&mut self, value: &T) -> usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Field` is never constructed [INFO] [stdout] --> src/class.rs:442:12 [INFO] [stdout] | [INFO] [stdout] 442 | pub struct Field { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/buf_ext.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 136 | let mut data = Vec::with_capacity(length); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 141 | | offset: Default::default(), [INFO] [stdout] 142 | | prefix: Default::default(), [INFO] [stdout] 143 | | data, [INFO] [stdout] 144 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `espresso` (lib test) due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "12db48032a03634bc3624f4627617d266ceeaf0cf2e7bc3e95b28ad383a59369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12db48032a03634bc3624f4627617d266ceeaf0cf2e7bc3e95b28ad383a59369", kill_on_drop: false }` [INFO] [stdout] 12db48032a03634bc3624f4627617d266ceeaf0cf2e7bc3e95b28ad383a59369