[INFO] cloning repository https://github.com/ShoichiroKitano/cc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShoichiroKitano/cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoichiroKitano%2Fcc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoichiroKitano%2Fcc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 781a9f12e52a76ea2f91003c7a5319a3aa007f0c [INFO] checking ShoichiroKitano/cc/781a9f12e52a76ea2f91003c7a5319a3aa007f0c against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoichiroKitano%2Fcc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShoichiroKitano/cc 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 git repo https://github.com/ShoichiroKitano/cc [INFO] finished tweaking git repo https://github.com/ShoichiroKitano/cc [INFO] tweaked toml for git repo https://github.com/ShoichiroKitano/cc written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ShoichiroKitano/cc 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1862c9f20d70310dd991939631d7e5b878dc6cd48f45fb7d603628ced3073af1 [INFO] running `Command { std: "docker" "start" "-a" "1862c9f20d70310dd991939631d7e5b878dc6cd48f45fb7d603628ced3073af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1862c9f20d70310dd991939631d7e5b878dc6cd48f45fb7d603628ced3073af1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1862c9f20d70310dd991939631d7e5b878dc6cd48f45fb7d603628ced3073af1", kill_on_drop: false }` [INFO] [stdout] 1862c9f20d70310dd991939631d7e5b878dc6cd48f45fb7d603628ced3073af1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fd2838e3dada42fd77e0caaa65efe14b1dd5ac4f77c72eea04b09cfa645a3eeb [INFO] running `Command { std: "docker" "start" "-a" "fd2838e3dada42fd77e0caaa65efe14b1dd5ac4f77c72eea04b09cfa645a3eeb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking string-builder v0.2.0 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking cc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `name`, `return_type`, `argments`, and `body` are never read [INFO] [stdout] --> src/ast.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FunctionDeclaration { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 21 | pub name: Identifier, [INFO] [stdout] | ^^^^ [INFO] [stdout] 22 | pub return_type: Identifier, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 23 | pub argments: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 24 | pub body: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FunctionDeclaration` 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: method `mangled_name` is never used [INFO] [stdout] --> src/ast.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl FunctionDeclaration { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn mangled_name(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value_type` and `name` are never read [INFO] [stdout] --> src/ast.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 102 | pub struct Argment { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 103 | pub value_type: Identifier, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 104 | pub name: Identifier, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Argment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/parser.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | let (input, function) = parse_function(input)?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 17 | Ok(( [INFO] [stdout] | ________^ [INFO] [stdout] 18 | | input, [INFO] [stdout] 19 | | CompilationUnit { [INFO] [stdout] 20 | | functions: vec![function], [INFO] [stdout] 21 | | }, [INFO] [stdout] 22 | | )) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 32 | let (input, (statements, _)) = many_till(parse_statement, tag("}"))(input)?; // statements } [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 41 | Ok(( [INFO] [stdout] | ________^ [INFO] [stdout] 42 | | input, [INFO] [stdout] 43 | | FunctionDeclaration { [INFO] [stdout] 44 | | name: Identifier(function_name.to_string()), [INFO] [stdout] ... | [INFO] [stdout] 48 | | }, [INFO] [stdout] 49 | | )) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [INFO] [stdout] | [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 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cc` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `name`, `return_type`, `argments`, and `body` are never read [INFO] [stdout] --> src/ast.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FunctionDeclaration { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 21 | pub name: Identifier, [INFO] [stdout] | ^^^^ [INFO] [stdout] 22 | pub return_type: Identifier, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 23 | pub argments: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 24 | pub body: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FunctionDeclaration` 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: method `mangled_name` is never used [INFO] [stdout] --> src/ast.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl FunctionDeclaration { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn mangled_name(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value_type` and `name` are never read [INFO] [stdout] --> src/ast.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 102 | pub struct Argment { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 103 | pub value_type: Identifier, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 104 | pub name: Identifier, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Argment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/parser.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | let (input, function) = parse_function(input)?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 17 | Ok(( [INFO] [stdout] | ________^ [INFO] [stdout] 18 | | input, [INFO] [stdout] 19 | | CompilationUnit { [INFO] [stdout] 20 | | functions: vec![function], [INFO] [stdout] 21 | | }, [INFO] [stdout] 22 | | )) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 32 | let (input, (statements, _)) = many_till(parse_statement, tag("}"))(input)?; // statements } [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 41 | Ok(( [INFO] [stdout] | ________^ [INFO] [stdout] 42 | | input, [INFO] [stdout] 43 | | FunctionDeclaration { [INFO] [stdout] 44 | | name: Identifier(function_name.to_string()), [INFO] [stdout] ... | [INFO] [stdout] 48 | | }, [INFO] [stdout] 49 | | )) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [INFO] [stdout] | [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 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cc` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fd2838e3dada42fd77e0caaa65efe14b1dd5ac4f77c72eea04b09cfa645a3eeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd2838e3dada42fd77e0caaa65efe14b1dd5ac4f77c72eea04b09cfa645a3eeb", kill_on_drop: false }` [INFO] [stdout] fd2838e3dada42fd77e0caaa65efe14b1dd5ac4f77c72eea04b09cfa645a3eeb