[INFO] cloning repository https://github.com/memoryleak47/slotted-egraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoryleak47/slotted-egraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fslotted-egraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fslotted-egraphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48cefee5503822224257e4f2e81681fef212ae89
[INFO] testing memoryleak47/slotted-egraphs against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fslotted-egraphs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memoryleak47/slotted-egraphs
[INFO] finished tweaking git repo https://github.com/memoryleak47/slotted-egraphs
[INFO] tweaked toml for git repo https://github.com/memoryleak47/slotted-egraphs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoryleak47/slotted-egraphs on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to highest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] [stderr]       Adding symbol_table v0.3.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2
[INFO] running `Command { std: "docker" "start" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling sorted-iter v0.1.11
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling binary-merge v0.1.2
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]    Compiling inplace-vec-builder v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling vec-collections v0.4.3
[INFO] [stderr]    Compiling symbol_table v0.3.0
[INFO] [stderr]    Compiling slotted-egraphs-derive v0.0.36
[INFO] [stderr]    Compiling slotted-egraphs v0.0.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn final_refine(mut state: MultiState) -> Vec<MultiState> {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:72:75
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn multi_ematch_step<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]    |                                                                           ----^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:81
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn multi_ematch_step_class<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiS...
[INFO] [stdout]    |                                                                                 ----^^^^^
[INFO] [stdout]    |                                                                                 |
[INFO] [stdout]    |                                                                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn multi_ematch_step_class<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiS...
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:97:80
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn multi_ematch_step_node<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiSt...
[INFO] [stdout]    |                                                                                ----^^^^^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rewrite/multipat.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let Some(mut state) = matches_raw(node, &n, state.clone()) else { continue };
[INFO] [stdout]     |                      ----^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rewrite/multipat.rs:154:53
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn unify<L: Language>(x: &AppliedId, y: &AppliedId, mut st: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]     |                                                     ----^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.71s
[INFO] running `Command { std: "docker" "inspect" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling zerocopy-derive v0.8.63
[INFO] [stderr]    Compiling clap_lex v1.1.1
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap_builder v4.6.7
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling clap v4.6.7
[INFO] [stderr]    Compiling symbol_table v0.3.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling vec-collections v0.4.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling slotted-egraphs v0.0.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn final_refine(mut state: MultiState) -> Vec<MultiState> {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:72:75
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn multi_ematch_step<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]    |                                                                           ----^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:81
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn multi_ematch_step_class<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiS...
[INFO] [stdout]    |                                                                                 ----^^^^^
[INFO] [stdout]    |                                                                                 |
[INFO] [stdout]    |                                                                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn multi_ematch_step_class<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiS...
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:97:80
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn multi_ematch_step_node<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiSt...
[INFO] [stdout]    |                                                                                ----^^^^^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rewrite/multipat.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let Some(mut state) = matches_raw(node, &n, state.clone()) else { continue };
[INFO] [stdout]     |                      ----^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rewrite/multipat.rs:154:53
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn unify<L: Language>(x: &AppliedId, y: &AppliedId, mut st: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]     |                                                     ----^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `Let` found for enum `sdql::Sdql` in the current scope
[INFO] [stdout]   --> tests/sdql/rewrite.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let Sdql::Let(var, Bind { slot, elem }) = node else { panic!() };
[INFO] [stdout]    |               ^^^ variant, associated function, or constant not found in `sdql::Sdql`
[INFO] [stdout]    |
[INFO] [stdout]   ::: tests/sdql/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub enum Sdql {
[INFO] [stdout]    |     ------------- variant, associated function, or constant `Let` not found for this enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn final_refine(mut state: MultiState) -> Vec<MultiState> {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:72:75
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn multi_ematch_step<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]    |                                                                           ----^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:81
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn multi_ematch_step_class<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiS...
[INFO] [stdout]    |                                                                                 ----^^^^^
[INFO] [stdout]    |                                                                                 |
[INFO] [stdout]    |                                                                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn multi_ematch_step_class<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiS...
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/rewrite/multipat.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...e>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rewrite/multipat.rs:97:80
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn multi_ematch_step_node<L: Language>(pv: &PVar, node: &L, children: &[PVar], mut state: MultiState, eg: &EGraph<L>) -> Vec<MultiSt...
[INFO] [stdout]    |                                                                                ----^^^^^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rewrite/multipat.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let Some(mut state) = matches_raw(node, &n, state.clone()) else { continue };
[INFO] [stdout]     |                      ----^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rewrite/multipat.rs:154:53
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn unify<L: Language>(x: &AppliedId, y: &AppliedId, mut st: MultiState, eg: &EGraph<L>) -> Vec<MultiState> {
[INFO] [stdout]     |                                                     ----^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slotted-egraphs` (test "entry") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2", kill_on_drop: false }`
[INFO] [stdout] 3da34e532d33bf27ddfab44c2406c6be7b69153a3c7230b6bd0d29c35273a7b2
