[INFO] cloning repository https://github.com/JHeinzde/brainfuck-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JHeinzde/brainfuck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJHeinzde%2Fbrainfuck-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJHeinzde%2Fbrainfuck-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2bed584c9ed1f56233c85945dc12cd376c20a831 [INFO] checking JHeinzde/brainfuck-rs/2bed584c9ed1f56233c85945dc12cd376c20a831 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%2FJHeinzde%2Fbrainfuck-rs" "/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/JHeinzde/brainfuck-rs 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/JHeinzde/brainfuck-rs [INFO] finished tweaking git repo https://github.com/JHeinzde/brainfuck-rs [INFO] tweaked toml for git repo https://github.com/JHeinzde/brainfuck-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JHeinzde/brainfuck-rs 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] 0cb88f5e499aed7a24020d72c2bbdcac2d5e2cefe92fe2055a720ad461048083 [INFO] running `Command { std: "docker" "start" "-a" "0cb88f5e499aed7a24020d72c2bbdcac2d5e2cefe92fe2055a720ad461048083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0cb88f5e499aed7a24020d72c2bbdcac2d5e2cefe92fe2055a720ad461048083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cb88f5e499aed7a24020d72c2bbdcac2d5e2cefe92fe2055a720ad461048083", kill_on_drop: false }` [INFO] [stdout] 0cb88f5e499aed7a24020d72c2bbdcac2d5e2cefe92fe2055a720ad461048083 [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] d3d8edfecc56643b1a9be4e4d010ca82f2b303416673ce643b375e8f3bc07c40 [INFO] running `Command { std: "docker" "start" "-a" "d3d8edfecc56643b1a9be4e4d010ca82f2b303416673ce643b375e8f3bc07c40", kill_on_drop: false }` [INFO] [stderr] Checking brainfuck-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::DerefMut` [INFO] [stdout] --> src/parser/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::DerefMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::DerefMut` [INFO] [stdout] --> src/parser/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::DerefMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `nth` and `iter_mut` are never used [INFO] [stdout] --> src/parser/ast.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl Ast { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn nth(&self, index: usize) -> (Option<&NodeType>, Option<&Box>) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | pub fn iter_mut(&mut self) -> IterMut<'_> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `nth` is never used [INFO] [stdout] --> src/parser/ast.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 161 | impl Node { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 175 | fn nth(&self, index: usize) -> (Option<&NodeType>, Option<&Box>) { [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/ast.rs:163:22 [INFO] [stdout] | [INFO] [stdout] 162 | fn new(ty: NodeType, body: Option>) -> Self { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 163 | Node { next: None, body, ty } [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `brainfuck-compiler` (bin "brainfuck-compiler" test) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `body` and `ty` are never read [INFO] [stdout] --> src/parser/ast.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct AstNode { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 27 | body: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 28 | ty: NodeType, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/parser/ast.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl Ast { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn nth(&self, index: usize) -> (Option<&NodeType>, Option<&Box>) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn set_nth_body(&mut self, index: usize, body: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn count_while_loops(&mut self) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn max_ptr_size(&mut self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | fn ptr_size(&mut self) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | pub fn iter(&mut self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | pub fn iter_mut(&mut self) -> IterMut<'_> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `nth`, `set_nth_body`, `while_loop_visit`, and `counter_ptr_ops` are never used [INFO] [stdout] --> src/parser/ast.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 161 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 175 | fn nth(&self, index: usize) -> (Option<&NodeType>, Option<&Box>) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 189 | fn set_nth_body(&mut self, index: usize, body: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 209 | fn while_loop_visit(&mut self) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 238 | fn counter_ptr_ops(&mut self) -> (usize, usize) { [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/ast.rs:163:22 [INFO] [stdout] | [INFO] [stdout] 162 | fn new(ty: NodeType, body: Option>) -> Self { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 163 | Node { next: None, body, ty } [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `brainfuck-compiler` (bin "brainfuck-compiler") due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d3d8edfecc56643b1a9be4e4d010ca82f2b303416673ce643b375e8f3bc07c40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3d8edfecc56643b1a9be4e4d010ca82f2b303416673ce643b375e8f3bc07c40", kill_on_drop: false }` [INFO] [stdout] d3d8edfecc56643b1a9be4e4d010ca82f2b303416673ce643b375e8f3bc07c40