[INFO] fetching crate aplang 0.0.1... [INFO] checking aplang-0.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate aplang 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate aplang 0.0.1 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 aplang 0.0.1 [INFO] finished tweaking crates.io crate aplang 0.0.1 [INFO] tweaked toml for crates.io crate aplang 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate aplang 0.0.1 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" "+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-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] a2e0eee2c594a985f6f1fb395e5b7f77dc4910702e68929e17428f81b17fb0e2 [INFO] running `Command { std: "docker" "start" "-a" "a2e0eee2c594a985f6f1fb395e5b7f77dc4910702e68929e17428f81b17fb0e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2e0eee2c594a985f6f1fb395e5b7f77dc4910702e68929e17428f81b17fb0e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2e0eee2c594a985f6f1fb395e5b7f77dc4910702e68929e17428f81b17fb0e2", kill_on_drop: false }` [INFO] [stdout] a2e0eee2c594a985f6f1fb395e5b7f77dc4910702e68929e17428f81b17fb0e2 [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] 2610e2fc91d27388dc72a9ae1dcf1bb06aad9d4eea8aa8f68a92b53d1f5e088d [INFO] running `Command { std: "docker" "start" "-a" "2610e2fc91d27388dc72a9ae1dcf1bb06aad9d4eea8aa8f68a92b53d1f5e088d", 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] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling rustix v0.38.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking anstyle v1.0.2 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking text-size v1.1.1 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking dissimilar v1.0.7 [INFO] [stderr] Checking countme v3.0.1 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking clap_builder v4.4.2 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking expect-test v1.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking rowan v0.15.11 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking fd-lock v3.0.13 [INFO] [stderr] Checking rustyline v12.0.0 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling num-derive v0.4.0 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking clap v4.4.2 [INFO] [stderr] Checking aplang v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `command` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use clap::{command, Parser as ClapParser, ValueEnum}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logos::Logos` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use logos::Logos; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::syntax_kind::SyntaxKind` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::syntax_kind::SyntaxKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parser::Parser` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::parser::Parser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rustyline::Result` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rustyline::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `command` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use clap::{command, Parser as ClapParser, ValueEnum}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `logos::Logos` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use logos::Logos; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::syntax_kind::SyntaxKind` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::syntax_kind::SyntaxKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parser::Parser` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::parser::Parser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rustyline::Result` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rustyline::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/run.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn run(input: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:66:22 [INFO] [stdout] | [INFO] [stdout] 66 | fn print_syntax_kind(input: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_syntax_kind` is never used [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn print_syntax_kind(input: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SyntaxNode` is never used [INFO] [stdout] --> src/syntax.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub type SyntaxNode = rowan::SyntaxNode; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SyntaxElement` is never used [INFO] [stdout] --> src/syntax.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | pub type SyntaxElement = rowan::SyntaxElement; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SyntaxToken` is never used [INFO] [stdout] --> src/syntax.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub type SyntaxToken = rowan::SyntaxToken; [INFO] [stdout] | ^^^^^^^^^^^ [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:29:25 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn parse(mut self) -> Parse { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | green_node: self.builder.finish(), [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; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aplang` (bin "aplang") due to 2 previous errors; 12 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/run.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn run(input: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:66:22 [INFO] [stdout] | [INFO] [stdout] 66 | fn print_syntax_kind(input: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_syntax_kind` is never used [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn print_syntax_kind(input: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SyntaxNode` is never used [INFO] [stdout] --> src/syntax.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub type SyntaxNode = rowan::SyntaxNode; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SyntaxElement` is never used [INFO] [stdout] --> src/syntax.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | pub type SyntaxElement = rowan::SyntaxElement; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `SyntaxToken` is never used [INFO] [stdout] --> src/syntax.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub type SyntaxToken = rowan::SyntaxToken; [INFO] [stdout] | ^^^^^^^^^^^ [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:29:25 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn parse(mut self) -> Parse { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | green_node: self.builder.finish(), [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; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aplang` (bin "aplang" test) due to 2 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2610e2fc91d27388dc72a9ae1dcf1bb06aad9d4eea8aa8f68a92b53d1f5e088d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2610e2fc91d27388dc72a9ae1dcf1bb06aad9d4eea8aa8f68a92b53d1f5e088d", kill_on_drop: false }` [INFO] [stdout] 2610e2fc91d27388dc72a9ae1dcf1bb06aad9d4eea8aa8f68a92b53d1f5e088d