[INFO] fetching crate mice 0.11.1...
[INFO] checking mice-0.11.1 against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] extracting crate mice 0.11.1 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mice 0.11.1 on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "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 criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.1.1)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (available: v0.5.7)
[INFO] [stderr]       Adding lasso v0.6.0 (available: v0.7.3)
[INFO] [stderr]       Adding logos v0.12.1 (available: v0.16.1)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] [stderr]       Adding quickscope v0.1.6 (available: v0.2.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickscope v0.1.6
[INFO] [stderr]   Downloaded derive-syn-parse v0.1.5
[INFO] [stderr]   Downloaded lasso v0.6.0
[INFO] [stderr]   Downloaded mbot_proc_macro_helpers v0.0.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0c4d4ab63564d7630c902d72189c8a711a747e87cb7955fa521668f4dd175d
[INFO] running `Command { std: "docker" "start" "-a" "2b0c4d4ab63564d7630c902d72189c8a711a747e87cb7955fa521668f4dd175d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0c4d4ab63564d7630c902d72189c8a711a747e87cb7955fa521668f4dd175d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0c4d4ab63564d7630c902d72189c8a711a747e87cb7955fa521668f4dd175d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b5a8d6e32a5474b20063d34b6d56459a47ee1678e2a06a673d99ce8e2657845
[INFO] running `Command { std: "docker" "start" "-a" "3b5a8d6e32a5474b20063d34b6d56459a47ee1678e2a06a673d99ce8e2657845", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.17
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[INFO] [stderr]     Checking rayon v1.12.0
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[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling mbot_proc_macro_helpers v0.0.2
[INFO] [stderr]     Checking mice v0.11.1 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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(u8),
[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<Self>) -> 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: <MirGraph as GraphBase>::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 `<Box<[T]> 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/intoiterator-box-slice.html>
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 318 -                             for part in unkept.into_iter() {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mir/stack.rs:320:27
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn decode_mut(cursor: &mut [u8]) -> Result<(&mut [u8], InstructionView), ()> {
[INFO] [stdout]     |                           ^^^^^^^^^             ^^^^^^^^^  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |                     |
[INFO] [stdout]     |                           |                     the same lifetime is elided here
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn decode_mut(cursor: &mut [u8]) -> Result<(&mut [u8], InstructionView<'_>), ()> {
[INFO] [stdout]     |                                                                           ++++
[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)]` (part of `#[warn(unused)]`) 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: struct `StackProgram` is never constructed
[INFO] [stdout]   --> benches/tree.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub struct StackProgram(Vec<Instruction>);
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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(i64),
[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(i64, i64),
[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: 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)]` (part of `#[warn(unused)]`) 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(u8),
[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<Self>) -> 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: <MirGraph as GraphBase>::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 `<Box<[T]> 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/intoiterator-box-slice.html>
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 318 -                             for part in unkept.into_iter() {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mir/stack.rs:320:27
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn decode_mut(cursor: &mut [u8]) -> Result<(&mut [u8], InstructionView), ()> {
[INFO] [stdout]     |                           ^^^^^^^^^             ^^^^^^^^^  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |                     |
[INFO] [stdout]     |                           |                     the same lifetime is elided here
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn decode_mut(cursor: &mut [u8]) -> Result<(&mut [u8], InstructionView<'_>), ()> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.44s
[INFO] running `Command { std: "docker" "inspect" "3b5a8d6e32a5474b20063d34b6d56459a47ee1678e2a06a673d99ce8e2657845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5a8d6e32a5474b20063d34b6d56459a47ee1678e2a06a673d99ce8e2657845", kill_on_drop: false }`
[INFO] [stdout] 3b5a8d6e32a5474b20063d34b6d56459a47ee1678e2a06a673d99ce8e2657845
