[INFO] fetching crate colorthis 0.1.1... [INFO] checking colorthis-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate colorthis 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate colorthis 0.1.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate colorthis 0.1.1 [INFO] finished tweaking crates.io crate colorthis 0.1.1 [INFO] tweaked toml for crates.io crate colorthis 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d567e45709dfb407a6183b0abb284586b45d310d53d4aa0aebd4417d41f144b0 [INFO] running `Command { std: "docker" "start" "-a" "d567e45709dfb407a6183b0abb284586b45d310d53d4aa0aebd4417d41f144b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d567e45709dfb407a6183b0abb284586b45d310d53d4aa0aebd4417d41f144b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d567e45709dfb407a6183b0abb284586b45d310d53d4aa0aebd4417d41f144b0", kill_on_drop: false }` [INFO] [stdout] d567e45709dfb407a6183b0abb284586b45d310d53d4aa0aebd4417d41f144b0 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78038049ba5987b0a5bfd3672f13f9f9691be7ac9580000d343bd5b8defed3c2 [INFO] running `Command { std: "docker" "start" "-a" "78038049ba5987b0a5bfd3672f13f9f9691be7ac9580000d343bd5b8defed3c2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Checking parse-color v0.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking litrs v0.4.1 [INFO] [stderr] Checking colorthis v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parse.rs:81:11 [INFO] [stdout] | [INFO] [stdout] 80 | fn is_end_of_stream(mut stream: proc_macro2::token_stream::IntoIter) -> bool { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 81 | match stream.next() { [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: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parse.rs:81:11 [INFO] [stdout] | [INFO] [stdout] 80 | fn is_end_of_stream(mut stream: proc_macro2::token_stream::IntoIter) -> bool { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 81 | match stream.next() { [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: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parse.rs:81:11 [INFO] [stdout] | [INFO] [stdout] 80 | fn is_end_of_stream(mut stream: proc_macro2::token_stream::IntoIter) -> bool { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 81 | match stream.next() { [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] warning: enum `PathSep` is never used [INFO] [stdout] --> src/path.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum PathSep { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_to` is never used [INFO] [stdout] --> src/path.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl PathSep { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 12 | pub fn write_to(&self, tokens: &mut TokenStream) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_sep` is never used [INFO] [stdout] --> src/path.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn extract_sep(iter: &mut proc_macro2::token_stream::IntoIter) -> PathSep{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_end_of_stream` is never used [INFO] [stdout] --> src/parse.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn is_end_of_stream(mut stream: proc_macro2::token_stream::IntoIter) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ident` is never constructed [INFO] [stdout] --> src/parse.rs:145:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum KnownToken{ [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 145 | Ident(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KnownToken` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `PathSep` is never used [INFO] [stdout] --> src/path.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum PathSep { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_to` is never used [INFO] [stdout] --> src/path.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl PathSep { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 12 | pub fn write_to(&self, tokens: &mut TokenStream) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_sep` is never used [INFO] [stdout] --> src/path.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn extract_sep(iter: &mut proc_macro2::token_stream::IntoIter) -> PathSep{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_end_of_stream` is never used [INFO] [stdout] --> src/parse.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn is_end_of_stream(mut stream: proc_macro2::token_stream::IntoIter) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ident` is never constructed [INFO] [stdout] --> src/parse.rs:145:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum KnownToken{ [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 145 | Ident(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KnownToken` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `colorthis` (lib test) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `colorthis` (lib) due to 2 previous errors; 5 warnings emitted [INFO] [stdout] warning: enum `PathSep` is never used [INFO] [stdout] --> src/path.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum PathSep { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_to` is never used [INFO] [stdout] --> src/path.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl PathSep { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 12 | pub fn write_to(&self, tokens: &mut TokenStream) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_sep` is never used [INFO] [stdout] --> src/path.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn extract_sep(iter: &mut proc_macro2::token_stream::IntoIter) -> PathSep{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_end_of_stream` is never used [INFO] [stdout] --> src/parse.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn is_end_of_stream(mut stream: proc_macro2::token_stream::IntoIter) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ident` is never constructed [INFO] [stdout] --> src/parse.rs:145:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum KnownToken{ [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 145 | Ident(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KnownToken` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `colorthis` (lib) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "78038049ba5987b0a5bfd3672f13f9f9691be7ac9580000d343bd5b8defed3c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78038049ba5987b0a5bfd3672f13f9f9691be7ac9580000d343bd5b8defed3c2", kill_on_drop: false }` [INFO] [stdout] 78038049ba5987b0a5bfd3672f13f9f9691be7ac9580000d343bd5b8defed3c2