[INFO] fetching crate block_effects 0.1.1... [INFO] checking block_effects-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate block_effects 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate block_effects 0.1.1 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 block_effects 0.1.1 [INFO] finished tweaking crates.io crate block_effects 0.1.1 [INFO] tweaked toml for crates.io crate block_effects 0.1.1 written to /workspace/builds/worker-4-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] 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] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 747a12e1185bf9fbf9506bc9282f8e56f5479aa9afd217b10960bd1fa7e37ece [INFO] running `Command { std: "docker" "start" "-a" "747a12e1185bf9fbf9506bc9282f8e56f5479aa9afd217b10960bd1fa7e37ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "747a12e1185bf9fbf9506bc9282f8e56f5479aa9afd217b10960bd1fa7e37ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "747a12e1185bf9fbf9506bc9282f8e56f5479aa9afd217b10960bd1fa7e37ece", kill_on_drop: false }` [INFO] [stdout] 747a12e1185bf9fbf9506bc9282f8e56f5479aa9afd217b10960bd1fa7e37ece [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e1e7196bab6add8b460eb2e9c8c3ed4f8d510f607e9b23b61b573f36d3462c13 [INFO] running `Command { std: "docker" "start" "-a" "e1e7196bab6add8b460eb2e9c8c3ed4f8d510f607e9b23b61b573f36d3462c13", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking block_effects v0.1.1 (/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/lib.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn block(tokens: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 125 | / tokens.into_iter().scan(Vec::new(), |state, token| { [INFO] [stdout] 126 | | if !state.is_empty() || is_start_token(&token) { [INFO] [stdout] 127 | | state.push(token.clone()); [INFO] [stdout] 128 | | if is_block(&token) { [INFO] [stdout] ... | [INFO] [stdout] 135 | | } [INFO] [stdout] 136 | | }).flatten().collect() [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `block_effects` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:125:5 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn block(tokens: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 125 | / tokens.into_iter().scan(Vec::new(), |state, token| { [INFO] [stdout] 126 | | if !state.is_empty() || is_start_token(&token) { [INFO] [stdout] 127 | | state.push(token.clone()); [INFO] [stdout] 128 | | if is_block(&token) { [INFO] [stdout] ... | [INFO] [stdout] 135 | | } [INFO] [stdout] 136 | | }).flatten().collect() [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `block_effects` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e1e7196bab6add8b460eb2e9c8c3ed4f8d510f607e9b23b61b573f36d3462c13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e7196bab6add8b460eb2e9c8c3ed4f8d510f607e9b23b61b573f36d3462c13", kill_on_drop: false }` [INFO] [stdout] e1e7196bab6add8b460eb2e9c8c3ed4f8d510f607e9b23b61b573f36d3462c13