[INFO] fetching crate loopers-common 0.2.0... [INFO] checking loopers-common-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate loopers-common 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate loopers-common 0.2.0 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 loopers-common 0.2.0 [INFO] finished tweaking crates.io crate loopers-common 0.2.0 [INFO] tweaked toml for crates.io crate loopers-common 0.2.0 written to /workspace/builds/worker-1-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] Updating crates.io index [INFO] [stderr] Locking 43 packages to latest compatible versions [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding derive_more v0.99.18 (latest: v1.0.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aeb48e6d73bf168c5f05023f95aef529d60bc2e00ced04d9e502cfdd04bfb8ef [INFO] running `Command { std: "docker" "start" "-a" "aeb48e6d73bf168c5f05023f95aef529d60bc2e00ced04d9e502cfdd04bfb8ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aeb48e6d73bf168c5f05023f95aef529d60bc2e00ced04d9e502cfdd04bfb8ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aeb48e6d73bf168c5f05023f95aef529d60bc2e00ced04d9e502cfdd04bfb8ef", kill_on_drop: false }` [INFO] [stdout] aeb48e6d73bf168c5f05023f95aef529d60bc2e00ced04d9e502cfdd04bfb8ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8d88836f8a92e50f64d2d1999173946a7be240f15949d3a7cb83345bcf15437b [INFO] running `Command { std: "docker" "start" "-a" "8d88836f8a92e50f64d2d1999173946a7be240f15949d3a7cb83345bcf15437b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking fern v0.6.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking loopers-common v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `level` is never read [INFO] [stdout] --> src/gui_channel.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct LogMessage { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 79 | level: LogLevel, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogMessage` has a derived impl for the trait `Clone`, 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/config.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 205 | let command = record [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | Ok(MidiMapping { [INFO] [stdout] | ____________^ [INFO] [stdout] 211 | | channel, [INFO] [stdout] 212 | | controller, [INFO] [stdout] 213 | | data, [INFO] [stdout] 214 | | command, [INFO] [stdout] 215 | | }) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `loopers-common` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `level` is never read [INFO] [stdout] --> src/gui_channel.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct LogMessage { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 79 | level: LogLevel, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogMessage` has a derived impl for the trait `Clone`, 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/config.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 205 | let command = record [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 210 | Ok(MidiMapping { [INFO] [stdout] | ____________^ [INFO] [stdout] 211 | | channel, [INFO] [stdout] 212 | | controller, [INFO] [stdout] 213 | | data, [INFO] [stdout] 214 | | command, [INFO] [stdout] 215 | | }) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `loopers-common` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8d88836f8a92e50f64d2d1999173946a7be240f15949d3a7cb83345bcf15437b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d88836f8a92e50f64d2d1999173946a7be240f15949d3a7cb83345bcf15437b", kill_on_drop: false }` [INFO] [stdout] 8d88836f8a92e50f64d2d1999173946a7be240f15949d3a7cb83345bcf15437b