[INFO] fetching crate fax_derive 0.1.0... [INFO] checking fax_derive-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate fax_derive 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate fax_derive 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fax_derive 0.1.0 [INFO] finished tweaking crates.io crate fax_derive 0.1.0 [INFO] tweaked toml for crates.io crate fax_derive 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f511d93a6b71b975237a0913dda35a99dfcfa03fe067f08b46ad218e4954de88 [INFO] running `Command { std: "docker" "start" "-a" "f511d93a6b71b975237a0913dda35a99dfcfa03fe067f08b46ad218e4954de88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f511d93a6b71b975237a0913dda35a99dfcfa03fe067f08b46ad218e4954de88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f511d93a6b71b975237a0913dda35a99dfcfa03fe067f08b46ad218e4954de88", kill_on_drop: false }` [INFO] [stdout] f511d93a6b71b975237a0913dda35a99dfcfa03fe067f08b46ad218e4954de88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0b1800cfc744376cae2777063e42b358b681637afc4544a4341df4556253017 [INFO] running `Command { std: "docker" "start" "-a" "e0b1800cfc744376cae2777063e42b358b681637afc4544a4341df4556253017", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking fax_derive v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `proc_macro2::Ident` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let name = Ident::new(&format!("LEAF_LUT_{}", bits), Span::call_site()); [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | defs.push(quote!{ [INFO] [stdout] | ___________________________- [INFO] [stdout] | |___________________________| [INFO] [stdout] | |___________________________| [INFO] [stdout] | |___________________________| [INFO] [stdout] | |___________________________| [INFO] [stdout] 140 | | static #name: [Option<(#typ, u8)>; #size] = [ [INFO] [stdout] 141 | | #(#entries,)* [INFO] [stdout] 142 | | ]; [INFO] [stdout] 143 | | }); [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 162 | defs.push(quote!{ [INFO] [stdout] | ___________________________- [INFO] [stdout] | |___________________________| [INFO] [stdout] 163 | | static #name: [#typ; #size] = [ [INFO] [stdout] 164 | | #(#entries,)* [INFO] [stdout] 165 | | ]; [INFO] [stdout] 166 | | }); [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may 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] warning: methods `common_prefix_len` and `align_left` are never used [INFO] [stdout] --> src/lib.rs:201:8 [INFO] [stdout] | [INFO] [stdout] 191 | impl Bits { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 201 | fn common_prefix_len(self, other: Bits) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 204 | fn align_left(self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `size` is never used [INFO] [stdout] --> src/lib.rs:301:8 [INFO] [stdout] | [INFO] [stdout] 300 | impl Node { [INFO] [stdout] | --------------------------------------- method in this implementation [INFO] [stdout] 301 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `size` is never used [INFO] [stdout] --> src/lib.rs:343:8 [INFO] [stdout] | [INFO] [stdout] 342 | impl PrefixLut { [INFO] [stdout] | -------------------------------------------- method in this implementation [INFO] [stdout] 343 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fax_derive` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `proc_macro2::Ident` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let name = Ident::new(&format!("LEAF_LUT_{}", bits), Span::call_site()); [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | defs.push(quote!{ [INFO] [stdout] | ___________________________- [INFO] [stdout] | |___________________________| [INFO] [stdout] | |___________________________| [INFO] [stdout] | |___________________________| [INFO] [stdout] | |___________________________| [INFO] [stdout] 140 | | static #name: [Option<(#typ, u8)>; #size] = [ [INFO] [stdout] 141 | | #(#entries,)* [INFO] [stdout] 142 | | ]; [INFO] [stdout] 143 | | }); [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 162 | defs.push(quote!{ [INFO] [stdout] | ___________________________- [INFO] [stdout] | |___________________________| [INFO] [stdout] 163 | | static #name: [#typ; #size] = [ [INFO] [stdout] 164 | | #(#entries,)* [INFO] [stdout] 165 | | ]; [INFO] [stdout] 166 | | }); [INFO] [stdout] | | - [INFO] [stdout] | |_________________| [INFO] [stdout] | |_________________these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may 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] warning: methods `common_prefix_len` and `align_left` are never used [INFO] [stdout] --> src/lib.rs:201:8 [INFO] [stdout] | [INFO] [stdout] 191 | impl Bits { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 201 | fn common_prefix_len(self, other: Bits) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 204 | fn align_left(self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `size` is never used [INFO] [stdout] --> src/lib.rs:301:8 [INFO] [stdout] | [INFO] [stdout] 300 | impl Node { [INFO] [stdout] | --------------------------------------- method in this implementation [INFO] [stdout] 301 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `size` is never used [INFO] [stdout] --> src/lib.rs:343:8 [INFO] [stdout] | [INFO] [stdout] 342 | impl PrefixLut { [INFO] [stdout] | -------------------------------------------- method in this implementation [INFO] [stdout] 343 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fax_derive` (lib) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e0b1800cfc744376cae2777063e42b358b681637afc4544a4341df4556253017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0b1800cfc744376cae2777063e42b358b681637afc4544a4341df4556253017", kill_on_drop: false }` [INFO] [stdout] e0b1800cfc744376cae2777063e42b358b681637afc4544a4341df4556253017