[INFO] fetching crate ssa-impls 0.3.0-alpha.2...
[INFO] building ssa-impls-0.3.0-alpha.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ssa-impls 0.3.0-alpha.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ssa-impls 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate ssa-impls 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate ssa-impls 0.3.0-alpha.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssa-impls 0.3.0-alpha.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssa-impls 0.3.0-alpha.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 548467e74ef5c257c58784441161c63635a8cd2618cde53f82fbe3743878c7f0
[INFO] running `Command { std: "docker" "start" "-a" "548467e74ef5c257c58784441161c63635a8cd2618cde53f82fbe3743878c7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "548467e74ef5c257c58784441161c63635a8cd2618cde53f82fbe3743878c7f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548467e74ef5c257c58784441161c63635a8cd2618cde53f82fbe3743878c7f0", kill_on_drop: false }`
[INFO] [stdout] 548467e74ef5c257c58784441161c63635a8cd2618cde53f82fbe3743878c7f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc5110017453c088acc475272c24013f007d81f9fcc8954b8fd342cbef36c2a
[INFO] running `Command { std: "docker" "start" "-a" "2bc5110017453c088acc475272c24013f007d81f9fcc8954b8fd342cbef36c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling arena-traits v0.2.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling lending-iterator-proc_macros v0.1.7
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iterator v0.1.7
[INFO] [stderr]    Compiling cfg-traits v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-traits v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-impls v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Arena`
[INFO] [stdout]  --> src/lib.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use arena_traits::{Arena, IndexIter};
[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: `Func` and `TypedBlock`
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ssa_traits::{Func, TypedBlock, TypedFunc, Target as SSATarget};
[INFO] [stdout]   |                  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lending_iterator::lending_iterator::constructors::into_lending_iter`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lending_iterator::lending_iterator::constructors::into_lending_iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LendingIteratorDyn`
[INFO] [stdout]   --> src/lib.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lending_iterator::prelude::{LendingIteratorDyn, HKT};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/cfg.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::{collections::{BTreeMap, BTreeSet}, vec::Vec};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lending_iterator::lending_iterator::constructors::into_lending_iter`
[INFO] [stdout]  --> src/cfg.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lending_iterator::lending_iterator::constructors::into_lending_iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LendingIteratorDyn`
[INFO] [stdout]  --> src/cfg.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lending_iterator::prelude::{LendingIteratorDyn, HKT};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Term` and `Value`
[INFO] [stdout]  --> src/maxssa.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ssa_traits::{Block, Func, HasValues, Target, Term, TypedFunc, TypedValue, Value};
[INFO] [stdout]   |                                                  ^^^^                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/maxssa.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(vals);;
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Target` and `Term`
[INFO] [stdout]   --> src/reducify.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ssa_traits::{Block, HasValues, Target, Term, TypedBlock, TypedFunc};
[INFO] [stdout]    |                                    ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Func`
[INFO] [stdout]  --> src/maxssa.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cfg_traits::{Block as CFGBlock, Func as CFGFunc, Target as CFGTarget, Term as CFGTerm};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Func`
[INFO] [stdout]  --> src/reducify.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cfg_traits::{Block as CFGBlock, Func as CFGFunc, Target as CFGTarget, Term as CFGTerm};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/maxssa.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut vs = <F as Func>::values(&*body);
[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/maxssa.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut ks = body.blocks();
[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/maxssa.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let mut blockdata = &mut body.blocks_mut()[block.clone()];
[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/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut b = &mut f.blocks_mut()[k2.clone()];
[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/reducify.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut new_body = body;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iter_all_same` is never used
[INFO] [stdout]    --> src/maxssa.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn iter_all_same<Item: PartialEq + Eq + Clone, I: Iterator<Item = Item>>(iter: I) -> Option<Item> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.97s
[INFO] running `Command { std: "docker" "inspect" "2bc5110017453c088acc475272c24013f007d81f9fcc8954b8fd342cbef36c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc5110017453c088acc475272c24013f007d81f9fcc8954b8fd342cbef36c2a", kill_on_drop: false }`
[INFO] [stdout] 2bc5110017453c088acc475272c24013f007d81f9fcc8954b8fd342cbef36c2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898fec4fb1ab1db8569f0353a87fa22c0ff9fa93336f6649654a7bdce32bcff8
[INFO] running `Command { std: "docker" "start" "-a" "898fec4fb1ab1db8569f0353a87fa22c0ff9fa93336f6649654a7bdce32bcff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssa-impls v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Arena`
[INFO] [stdout]  --> src/lib.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use arena_traits::{Arena, IndexIter};
[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: `Func` and `TypedBlock`
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ssa_traits::{Func, TypedBlock, TypedFunc, Target as SSATarget};
[INFO] [stdout]   |                  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lending_iterator::lending_iterator::constructors::into_lending_iter`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lending_iterator::lending_iterator::constructors::into_lending_iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LendingIteratorDyn`
[INFO] [stdout]   --> src/lib.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lending_iterator::prelude::{LendingIteratorDyn, HKT};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/cfg.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::{collections::{BTreeMap, BTreeSet}, vec::Vec};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lending_iterator::lending_iterator::constructors::into_lending_iter`
[INFO] [stdout]  --> src/cfg.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lending_iterator::lending_iterator::constructors::into_lending_iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LendingIteratorDyn`
[INFO] [stdout]  --> src/cfg.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lending_iterator::prelude::{LendingIteratorDyn, HKT};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Term` and `Value`
[INFO] [stdout]  --> src/maxssa.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ssa_traits::{Block, Func, HasValues, Target, Term, TypedFunc, TypedValue, Value};
[INFO] [stdout]   |                                                  ^^^^                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/maxssa.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(vals);;
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Target` and `Term`
[INFO] [stdout]   --> src/reducify.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ssa_traits::{Block, HasValues, Target, Term, TypedBlock, TypedFunc};
[INFO] [stdout]    |                                    ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Func`
[INFO] [stdout]  --> src/maxssa.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cfg_traits::{Block as CFGBlock, Func as CFGFunc, Target as CFGTarget, Term as CFGTerm};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Func`
[INFO] [stdout]  --> src/reducify.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cfg_traits::{Block as CFGBlock, Func as CFGFunc, Target as CFGTarget, Term as CFGTerm};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/maxssa.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut vs = <F as Func>::values(&*body);
[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/maxssa.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut ks = body.blocks();
[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/maxssa.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let mut blockdata = &mut body.blocks_mut()[block.clone()];
[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/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut b = &mut f.blocks_mut()[k2.clone()];
[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/reducify.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut new_body = body;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iter_all_same` is never used
[INFO] [stdout]    --> src/maxssa.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn iter_all_same<Item: PartialEq + Eq + Clone, I: Iterator<Item = Item>>(iter: I) -> Option<Item> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arena`
[INFO] [stdout]  --> src/lib.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use arena_traits::{Arena, IndexIter};
[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: `Func` and `TypedBlock`
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ssa_traits::{Func, TypedBlock, TypedFunc, Target as SSATarget};
[INFO] [stdout]   |                  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lending_iterator::lending_iterator::constructors::into_lending_iter`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lending_iterator::lending_iterator::constructors::into_lending_iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LendingIteratorDyn`
[INFO] [stdout]   --> src/lib.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lending_iterator::prelude::{LendingIteratorDyn, HKT};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]  --> src/cfg.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::{collections::{BTreeMap, BTreeSet}, vec::Vec};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lending_iterator::lending_iterator::constructors::into_lending_iter`
[INFO] [stdout]  --> src/cfg.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lending_iterator::lending_iterator::constructors::into_lending_iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LendingIteratorDyn`
[INFO] [stdout]  --> src/cfg.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lending_iterator::prelude::{LendingIteratorDyn, HKT};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Term` and `Value`
[INFO] [stdout]  --> src/maxssa.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ssa_traits::{Block, Func, HasValues, Target, Term, TypedFunc, TypedValue, Value};
[INFO] [stdout]   |                                                  ^^^^                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/maxssa.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |             drop(vals);;
[INFO] [stdout]     |                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Target` and `Term`
[INFO] [stdout]   --> src/reducify.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ssa_traits::{Block, HasValues, Target, Term, TypedBlock, TypedFunc};
[INFO] [stdout]    |                                    ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Func`
[INFO] [stdout]  --> src/maxssa.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cfg_traits::{Block as CFGBlock, Func as CFGFunc, Target as CFGTarget, Term as CFGTerm};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Func`
[INFO] [stdout]  --> src/reducify.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cfg_traits::{Block as CFGBlock, Func as CFGFunc, Target as CFGTarget, Term as CFGTerm};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/maxssa.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let mut blockdata = &mut body.blocks_mut()[block.clone()];
[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/maxssa.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut vs = <F as Func>::values(&*body);
[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/maxssa.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut ks = body.blocks();
[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/lib.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut b = &mut f.blocks_mut()[k2.clone()];
[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/reducify.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut new_body = body;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iter_all_same` is never used
[INFO] [stdout]    --> src/maxssa.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn iter_all_same<Item: PartialEq + Eq + Clone, I: Iterator<Item = Item>>(iter: I) -> Option<Item> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "898fec4fb1ab1db8569f0353a87fa22c0ff9fa93336f6649654a7bdce32bcff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898fec4fb1ab1db8569f0353a87fa22c0ff9fa93336f6649654a7bdce32bcff8", kill_on_drop: false }`
[INFO] [stdout] 898fec4fb1ab1db8569f0353a87fa22c0ff9fa93336f6649654a7bdce32bcff8
