[INFO] fetching crate mice 0.11.1... [INFO] checking mice-0.11.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mice 0.11.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mice 0.11.1 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 mice 0.11.1 [INFO] finished tweaking crates.io crate mice 0.11.1 [INFO] tweaked toml for crates.io crate mice 0.11.1 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 111 packages to latest compatible versions [INFO] [stderr] Adding ahash v0.7.8 (available: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding convert_case v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (available: v0.5.0) [INFO] [stderr] Adding derive-syn-parse v0.1.5 (available: v0.2.0) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (available: v0.5.7) [INFO] [stderr] Adding half v1.8.3 (available: v2.4.1) [INFO] [stderr] Adding hashbrown v0.11.2 (available: v0.14.5) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding lasso v0.6.0 (available: v0.7.3) [INFO] [stderr] Adding logos v0.12.1 (available: v0.14.2) [INFO] [stderr] Adding logos-derive v0.12.1 (available: v0.14.2) [INFO] [stderr] Adding quickscope v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] 6734b2e85781672ff3d3a174c55909e5ecd491b0b4e583e8b3b17c8450d2dfca [INFO] running `Command { std: "docker" "start" "-a" "6734b2e85781672ff3d3a174c55909e5ecd491b0b4e583e8b3b17c8450d2dfca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6734b2e85781672ff3d3a174c55909e5ecd491b0b4e583e8b3b17c8450d2dfca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6734b2e85781672ff3d3a174c55909e5ecd491b0b4e583e8b3b17c8450d2dfca", kill_on_drop: false }` [INFO] [stdout] 6734b2e85781672ff3d3a174c55909e5ecd491b0b4e583e8b3b17c8450d2dfca [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] 86269c23b9685aa55f1a6b4f90ed870394bcd3518968bda89d0b8c9288bb1db3 [INFO] running `Command { std: "docker" "start" "-a" "86269c23b9685aa55f1a6b4f90ed870394bcd3518968bda89d0b8c9288bb1db3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling derive-syn-parse v0.1.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking petgraph v0.6.5 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Checking core_extensions v1.5.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking quickscope v0.1.6 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling mbot_proc_macro_helpers v0.0.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking mice v0.11.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unused imports: `MirEdge` and `MirNode` [INFO] [stdout] --> src/mir/check.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use super::{MirEdge, MirGraph, MirNode}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryFrom` [INFO] [stdout] --> src/mir/stack.rs:22:23 [INFO] [stdout] | [INFO] [stdout] 22 | use ::core::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/mir/check.rs:12:37 [INFO] [stdout] | [INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/mir/check.rs:25:36 [INFO] [stdout] | [INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/mir/check.rs:30:14 [INFO] [stdout] | [INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `PartialApply` is never constructed [INFO] [stdout] --> src/mir.rs:240:5 [INFO] [stdout] | [INFO] [stdout] 211 | enum MirNode { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 240 | PartialApply, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MirNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `only_function_deps_for_functions` is never used [INFO] [stdout] --> src/mir/check.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `statically_resolvable_functions` is never used [INFO] [stdout] --> src/mir/check.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arg_types` is never used [INFO] [stdout] --> src/mir/check.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `all` is never used [INFO] [stdout] --> src/mir/check.rs:34:15 [INFO] [stdout] | [INFO] [stdout] 34 | pub(super) fn all(graph: &MirGraph) -> Result<(), Vec<&'static str>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/mir/fmt.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | RegionArgument(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FmtNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 33 | RegionArgument(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `contained_by` is never used [INFO] [stdout] --> src/mir/stack.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 88 | pub(crate) trait Bytecode: Sized { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 91 | fn contained_by(&self, _range: ::core::ops::RangeToInclusive) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `node_index` is never read [INFO] [stdout] --> src/mir/stack.rs:621:17 [INFO] [stdout] | [INFO] [stdout] 618 | struct FmtArg<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 621 | node_index: ::NodeId, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `val` is never used [INFO] [stdout] --> src/tree.rs:265:19 [INFO] [stdout] | [INFO] [stdout] 264 | impl TreeIndex { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 265 | pub(crate) fn val(&self) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 [INFO] [stdout] --> src/mir/fmt.rs:318:48 [INFO] [stdout] | [INFO] [stdout] 318 | ... for part in unkept.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: `#[warn(boxed_slice_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 318 | for part in unkept.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 318 - for part in unkept.into_iter() { [INFO] [stdout] 318 + for part in unkept { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MirEdge` and `MirNode` [INFO] [stdout] --> src/mir/check.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use super::{MirEdge, MirGraph, MirNode}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StackProgram` is never constructed [INFO] [stdout] --> benches/tree.rs:47:20 [INFO] [stdout] | [INFO] [stdout] 47 | pub struct StackProgram(Vec); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/tree.rs:50:19 [INFO] [stdout] | [INFO] [stdout] 50 | Value(i64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 | Value(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> benches/tree.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | DiceRoll(i64, i64), [INFO] [stdout] | -------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 51 | DiceRoll((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `count`, `sides`, and `keep_count` are never read [INFO] [stdout] --> benches/tree.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 53 | DiceRollKeepHigh { [INFO] [stdout] | ---------------- fields in this variant [INFO] [stdout] 54 | count: i64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 55 | sides: i64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 56 | keep_count: i64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryFrom` [INFO] [stdout] --> src/mir/stack.rs:22:23 [INFO] [stdout] | [INFO] [stdout] 22 | use ::core::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/mir/check.rs:12:37 [INFO] [stdout] | [INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/mir/check.rs:25:36 [INFO] [stdout] | [INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `graph` [INFO] [stdout] --> src/mir/check.rs:30:14 [INFO] [stdout] | [INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `PartialApply` is never constructed [INFO] [stdout] --> src/mir.rs:240:5 [INFO] [stdout] | [INFO] [stdout] 211 | enum MirNode { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 240 | PartialApply, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MirNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `only_function_deps_for_functions` is never used [INFO] [stdout] --> src/mir/check.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `statically_resolvable_functions` is never used [INFO] [stdout] --> src/mir/check.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arg_types` is never used [INFO] [stdout] --> src/mir/check.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `all` is never used [INFO] [stdout] --> src/mir/check.rs:34:15 [INFO] [stdout] | [INFO] [stdout] 34 | pub(super) fn all(graph: &MirGraph) -> Result<(), Vec<&'static str>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/mir/fmt.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | RegionArgument(u8), [INFO] [stdout] | -------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `FmtNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 33 | RegionArgument(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `contained_by` is never used [INFO] [stdout] --> src/mir/stack.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 88 | pub(crate) trait Bytecode: Sized { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 91 | fn contained_by(&self, _range: ::core::ops::RangeToInclusive) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `node_index` is never read [INFO] [stdout] --> src/mir/stack.rs:621:17 [INFO] [stdout] | [INFO] [stdout] 618 | struct FmtArg<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 621 | node_index: ::NodeId, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `val` is never used [INFO] [stdout] --> src/tree.rs:265:19 [INFO] [stdout] | [INFO] [stdout] 264 | impl TreeIndex { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 265 | pub(crate) fn val(&self) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 [INFO] [stdout] --> src/mir/fmt.rs:318:48 [INFO] [stdout] | [INFO] [stdout] 318 | ... for part in unkept.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: `#[warn(boxed_slice_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 318 | for part in unkept.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 318 - for part in unkept.into_iter() { [INFO] [stdout] 318 + for part in unkept { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.36s [INFO] running `Command { std: "docker" "inspect" "86269c23b9685aa55f1a6b4f90ed870394bcd3518968bda89d0b8c9288bb1db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86269c23b9685aa55f1a6b4f90ed870394bcd3518968bda89d0b8c9288bb1db3", kill_on_drop: false }` [INFO] [stdout] 86269c23b9685aa55f1a6b4f90ed870394bcd3518968bda89d0b8c9288bb1db3