[INFO] fetching crate rainbow-hat-rs 0.2.1... [INFO] checking rainbow-hat-rs-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate rainbow-hat-rs 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rainbow-hat-rs 0.2.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rainbow-hat-rs 0.2.1 [INFO] finished tweaking crates.io crate rainbow-hat-rs 0.2.1 [INFO] tweaked toml for crates.io crate rainbow-hat-rs 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate rainbow-hat-rs 0.2.1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded palette_derive v0.6.0 [INFO] [stderr] Downloaded phf_generator v0.9.0 [INFO] [stderr] Downloaded rppal v0.12.0 [INFO] [stderr] Downloaded palette v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2185ec732db59ed71cab3df8081084d47998819c1c5d74c42ae5c7bf5f7c91a7 [INFO] running `Command { std: "docker" "start" "-a" "2185ec732db59ed71cab3df8081084d47998819c1c5d74c42ae5c7bf5f7c91a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2185ec732db59ed71cab3df8081084d47998819c1c5d74c42ae5c7bf5f7c91a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2185ec732db59ed71cab3df8081084d47998819c1c5d74c42ae5c7bf5f7c91a7", kill_on_drop: false }` [INFO] [stdout] 2185ec732db59ed71cab3df8081084d47998819c1c5d74c42ae5c7bf5f7c91a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 950473b3824d4f74e543448e4c24d8d5110d36156399482600d27bf020d1115c [INFO] running `Command { std: "docker" "start" "-a" "950473b3824d4f74e543448e4c24d8d5110d36156399482600d27bf020d1115c", kill_on_drop: false }` [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling phf_shared v0.9.0 [INFO] [stderr] Compiling palette v0.6.0 [INFO] [stderr] Checking rppal v0.12.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Checking rainbow-hat-rs v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stdout] warning: field `brightness` is never read [INFO] [stdout] --> src/apa102.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct APA102 { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | brightness: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `APA102` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking approx v0.5.0 [INFO] [stderr] Compiling phf_generator v0.9.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling find-crate v0.6.3 [INFO] [stderr] Compiling phf_macros v0.9.0 [INFO] [stderr] Compiling palette_derive v0.6.0 [INFO] [stderr] Checking phf v0.9.0 [INFO] [stdout] warning: field `brightness` is never read [INFO] [stdout] --> src/apa102.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct APA102 { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | brightness: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `APA102` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s [INFO] running `Command { std: "docker" "inspect" "950473b3824d4f74e543448e4c24d8d5110d36156399482600d27bf020d1115c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "950473b3824d4f74e543448e4c24d8d5110d36156399482600d27bf020d1115c", kill_on_drop: false }` [INFO] [stdout] 950473b3824d4f74e543448e4c24d8d5110d36156399482600d27bf020d1115c [INFO] checking rainbow-hat-rs-0.2.1 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate rainbow-hat-rs 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate rainbow-hat-rs 0.2.1 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rainbow-hat-rs 0.2.1 [INFO] finished tweaking crates.io crate rainbow-hat-rs 0.2.1 [INFO] tweaked toml for crates.io crate rainbow-hat-rs 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate rainbow-hat-rs 0.2.1 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 515a02058c6d6da571990debb965a4b312c00699990e87b0a6e628486f6b2b82 [INFO] running `Command { std: "docker" "start" "-a" "515a02058c6d6da571990debb965a4b312c00699990e87b0a6e628486f6b2b82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "515a02058c6d6da571990debb965a4b312c00699990e87b0a6e628486f6b2b82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "515a02058c6d6da571990debb965a4b312c00699990e87b0a6e628486f6b2b82", kill_on_drop: false }` [INFO] [stdout] 515a02058c6d6da571990debb965a4b312c00699990e87b0a6e628486f6b2b82 [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08f5274b6a98bb7e0a6b18856e5ad40cf8c2aff7cc2fe5f18d89f9504552acbd [INFO] running `Command { std: "docker" "start" "-a" "08f5274b6a98bb7e0a6b18856e5ad40cf8c2aff7cc2fe5f18d89f9504552acbd", kill_on_drop: false }` [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling phf_shared v0.9.0 [INFO] [stderr] Compiling palette v0.6.0 [INFO] [stderr] Checking rppal v0.12.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Checking rainbow-hat-rs v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `brightness` is never read [INFO] [stdout] --> src/apa102.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct APA102 { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 42 | brightness: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `APA102` 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] 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/alphanum4.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 121 | let ht16k33 = HT16K33::new()?; [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 124 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 125 | | ht16k33, [INFO] [stdout] 126 | | digit_value, [INFO] [stdout] 127 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] Compiling rand v0.8.4 [INFO] [stderr] error: could not compile `rainbow-hat-rs` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "08f5274b6a98bb7e0a6b18856e5ad40cf8c2aff7cc2fe5f18d89f9504552acbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08f5274b6a98bb7e0a6b18856e5ad40cf8c2aff7cc2fe5f18d89f9504552acbd", kill_on_drop: false }` [INFO] [stdout] 08f5274b6a98bb7e0a6b18856e5ad40cf8c2aff7cc2fe5f18d89f9504552acbd