[INFO] fetching crate spark-ser7seg 0.2.0... [INFO] checking spark-ser7seg-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate spark-ser7seg 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate spark-ser7seg 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 spark-ser7seg 0.2.0 [INFO] finished tweaking crates.io crate spark-ser7seg 0.2.0 [INFO] tweaked toml for crates.io crate spark-ser7seg 0.2.0 written to /workspace/builds/worker-0-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 6 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [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-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] f8d3374fae27f839b829ac3c59ff0cf8e1d821e157a0f0297b3ae94a37361324 [INFO] running `Command { std: "docker" "start" "-a" "f8d3374fae27f839b829ac3c59ff0cf8e1d821e157a0f0297b3ae94a37361324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8d3374fae27f839b829ac3c59ff0cf8e1d821e157a0f0297b3ae94a37361324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d3374fae27f839b829ac3c59ff0cf8e1d821e157a0f0297b3ae94a37361324", kill_on_drop: false }` [INFO] [stdout] f8d3374fae27f839b829ac3c59ff0cf8e1d821e157a0f0297b3ae94a37361324 [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] 09dfc4383f95a4e5342764939e250726d227fa07ac6d0ed4b404118a221ff298 [INFO] running `Command { std: "docker" "start" "-a" "09dfc4383f95a4e5342764939e250726d227fa07ac6d0ed4b404118a221ff298", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking spark-ser7seg v0.2.0 (/opt/rustwide/workdir) [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/i2c.rs:56:43 [INFO] [stdout] | [INFO] [stdout] 56 | .map_err(|e| Error::Interface(I2cError::I2c(e))) [INFO] [stdout] | - ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/spi.rs:42:43 [INFO] [stdout] | [INFO] [stdout] 42 | .map_err(|e| Error::Interface(SpimError::Gpio(e)))?; [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/spi.rs:47:43 [INFO] [stdout] | [INFO] [stdout] 47 | .map_err(|e| Error::Interface(SpimError::Spim(e))) [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/spi.rs:52:43 [INFO] [stdout] | [INFO] [stdout] 52 | .map_err(|e| Error::Interface(SpimError::Gpio(e)))?; [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors [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/i2c.rs:56:43 [INFO] [stdout] | [INFO] [stdout] 56 | .map_err(|e| Error::Interface(I2cError::I2c(e))) [INFO] [stdout] | - ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/spi.rs:42:43 [INFO] [stdout] | [INFO] [stdout] 42 | .map_err(|e| Error::Interface(SpimError::Gpio(e)))?; [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/spi.rs:47:43 [INFO] [stdout] | [INFO] [stdout] 47 | .map_err(|e| Error::Interface(SpimError::Spim(e))) [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/spi.rs:52:43 [INFO] [stdout] | [INFO] [stdout] 52 | .map_err(|e| Error::Interface(SpimError::Gpio(e)))?; [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `spark-ser7seg` (lib test) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `spark-ser7seg` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "09dfc4383f95a4e5342764939e250726d227fa07ac6d0ed4b404118a221ff298", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09dfc4383f95a4e5342764939e250726d227fa07ac6d0ed4b404118a221ff298", kill_on_drop: false }` [INFO] [stdout] 09dfc4383f95a4e5342764939e250726d227fa07ac6d0ed4b404118a221ff298