[INFO] cloning repository https://github.com/zesterer/funkicrab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesterer/funkicrab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffunkicrab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffunkicrab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98528cc593478391a0ef0f91ff533592cf263914
[INFO] checking zesterer/funkicrab against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffunkicrab" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zesterer/funkicrab
[INFO] finished tweaking git repo https://github.com/zesterer/funkicrab
[INFO] tweaked toml for git repo https://github.com/zesterer/funkicrab written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zesterer/funkicrab on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zesterer/funkicrab 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bimap v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 265e8bbfa8dc1952146896c34538c38becf9ff66c842107951fb4de00fdf31fd
[INFO] running `Command { std: "docker" "start" "-a" "265e8bbfa8dc1952146896c34538c38becf9ff66c842107951fb4de00fdf31fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "265e8bbfa8dc1952146896c34538c38becf9ff66c842107951fb4de00fdf31fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265e8bbfa8dc1952146896c34538c38becf9ff66c842107951fb4de00fdf31fd", kill_on_drop: false }`
[INFO] [stdout] 265e8bbfa8dc1952146896c34538c38becf9ff66c842107951fb4de00fdf31fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f812a879102adb95d010b002799dda4ce1637ff695b14cb57519155871a1aaa2
[INFO] running `Command { std: "docker" "start" "-a" "f812a879102adb95d010b002799dda4ce1637ff695b14cb57519155871a1aaa2", kill_on_drop: false }`
[INFO] [stderr]     Checking bimap v0.1.5
[INFO] [stderr]     Checking funkicrab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(label_break_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `label_break_value` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Error`
[INFO] [stdout]  --> src/exec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Error;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/hir.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::FromIterator`
[INFO] [stdout]  --> src/llir.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/llir.rs:242:20
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 if (if let CellAccessInfo::Exactly(cells) = &cell_reads {
[INFO] [stdout]     |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 246 |                 }) {
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 ~                 if if let CellAccessInfo::Exactly(cells) = &cell_reads {
[INFO] [stdout] 243 |                     cells.len() == 0
[INFO] [stdout] 244 |                 } else {
[INFO] [stdout] 245 |                     false
[INFO] [stdout] 246 ~                 }  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CellAccessInfo`
[INFO] [stdout]  --> src/opt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CellAccessInfo,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `label_break_value` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(label_break_value)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(label_break_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `label_break_value` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Error`
[INFO] [stdout]  --> src/exec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Error;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/hir.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::FromIterator`
[INFO] [stdout]  --> src/llir.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/llir.rs:242:20
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 if (if let CellAccessInfo::Exactly(cells) = &cell_reads {
[INFO] [stdout]     |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 246 |                 }) {
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 ~                 if if let CellAccessInfo::Exactly(cells) = &cell_reads {
[INFO] [stdout] 243 |                     cells.len() == 0
[INFO] [stdout] 244 |                 } else {
[INFO] [stdout] 245 |                     false
[INFO] [stdout] 246 ~                 }  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CellAccessInfo`
[INFO] [stdout]  --> src/opt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CellAccessInfo,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `label_break_value` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(label_break_value)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/opt.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     loop {
[INFO] [stdout] 66 | |         let new_prog = optimise_program(prog.clone());
[INFO] [stdout] 67 | |         if prog == new_prog {
[INFO] [stdout] 68 | |             return prog;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 73 |       prog
[INFO] [stdout]    |       ^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ir.rs:64:60
[INFO] [stdout]    |
[INFO] [stdout] 64 |             return Some(copymuls.into_iter().map(|(shift, (i, f))| (shift, f)).collect());
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> src/ir.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             inst => { return None; },
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ir.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if let Some(&(i, n)) = copymuls.get(&base_shift) {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/ir.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if let Some(&(i, n)) = copymuls.get(&base_shift) {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |             (c, Inst::Add(_, 0)) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |             (c, Inst::CopyMul(_, _, 0)) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |             (c, Inst::Nop) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |             (c, Inst::Move(0)) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ir.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     let mut cells = Vec::new();
[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: unreachable expression
[INFO] [stdout]   --> src/opt.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     loop {
[INFO] [stdout] 66 | |         let new_prog = optimise_program(prog.clone());
[INFO] [stdout] 67 | |         if prog == new_prog {
[INFO] [stdout] 68 | |             return prog;
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 73 |       prog
[INFO] [stdout]    |       ^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val_r`
[INFO] [stdout]    --> src/ir.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let val_r = get_cell_val(&cells, idx_r);
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_val_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ir.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             i => { ir.pop(); },
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/comp.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 Inst::Add(r, 0) => {},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ir.rs:64:60
[INFO] [stdout]    |
[INFO] [stdout] 64 |             return Some(copymuls.into_iter().map(|(shift, (i, f))| (shift, f)).collect());
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> src/ir.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             inst => { return None; },
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ir.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if let Some(&(i, n)) = copymuls.get(&base_shift) {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/ir.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     if let Some(&(i, n)) = copymuls.get(&base_shift) {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |             (c, Inst::Add(_, 0)) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |             (c, Inst::CopyMul(_, _, 0)) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |             (c, Inst::Nop) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ir.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |             (c, Inst::Move(0)) => {},
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ir.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     let mut cells = Vec::new();
[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/hir.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut local_id_count = 0;
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_id_count`
[INFO] [stdout]   --> src/hir.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut local_id_count = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_id_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hir.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut code = String::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/hir.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut code = String::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val_r`
[INFO] [stdout]    --> src/ir.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let val_r = get_cell_val(&cells, idx_r);
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_val_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ir.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |             i => { ir.pop(); },
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/comp.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 Inst::Add(r, 0) => {},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/hir.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     o => panic!("Unknown operation: {:?}", o),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/hir.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     Op::MovePtr(val) => {
[INFO] [stdout]     |                     ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 193 |                     Op::SetLocal { id, val } => {
[INFO] [stdout]     |                     ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 197 |                     Op::Output(val) => {
[INFO] [stdout]     |                     --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 201 |                     o => panic!("Unknown operation: {:?}", o),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/hir.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/hir.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     Section::Proc(proc) => { code += &stringify_proc(&proc, depth); },
[INFO] [stdout]     |                     ------------------- matches some of the same values
[INFO] [stdout] 223 |                     Section::Loop(lp) => {
[INFO] [stdout]     |                     ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 232 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hir.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut local_id_count = 0;
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_id_count`
[INFO] [stdout]   --> src/hir.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let mut local_id_count = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_id_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hir.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut code = String::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> src/hir.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut code = String::new();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/llir.rs:142:57
[INFO] [stdout]     |
[INFO] [stdout] 142 | ...   let change_reads = self.changes.iter().filter(|(idx, c)| if let Change::Incr(_) = c { true } else { false }).map(|(idx, _)| *...
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/llir.rs:240:30
[INFO] [stdout]     |
[INFO] [stdout] 240 |             ValInfo::Exactly(n) => {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/llir.rs:288:28
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Section::Input(input) => ValInfo::Exactly(0),
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/llir.rs:357:21
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     t => panic!("Unknown token: {:?}", t),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/llir.rs:357:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     Token::Right => current_bs.shift.0 += 1,
[INFO] [stdout]     |                     ------------ matches some of the same values
[INFO] [stdout] 327 |                     Token::Left => current_bs.shift.0 -= 1,
[INFO] [stdout]     |                     ----------- matches some of the same values
[INFO] [stdout] 328 |                     Token::Inc => current_bs.add_cell_incr(current_bs.shift, Diff(1)),
[INFO] [stdout]     |                     ---------- matches some of the same values
[INFO] [stdout] 329 |                     Token::Dec => current_bs.add_cell_incr(current_bs.shift, Diff(-1)),
[INFO] [stdout]     |                     ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 357 |                     t => panic!("Unknown token: {:?}", t),
[INFO] [stdout]     |                     ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/hir.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     o => panic!("Unknown operation: {:?}", o),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/hir.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     Op::MovePtr(val) => {
[INFO] [stdout]     |                     ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 193 |                     Op::SetLocal { id, val } => {
[INFO] [stdout]     |                     ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 197 |                     Op::Output(val) => {
[INFO] [stdout]     |                     --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 201 |                     o => panic!("Unknown operation: {:?}", o),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/hir.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/hir.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     Section::Proc(proc) => { code += &stringify_proc(&proc, depth); },
[INFO] [stdout]     |                     ------------------- matches some of the same values
[INFO] [stdout] 223 |                     Section::Loop(lp) => {
[INFO] [stdout]     |                     ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 232 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/llir.rs:484:21
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/llir.rs:484:21
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     Section::Basic(basic) => stringify_basic_section(&basic, depth),
[INFO] [stdout]     |                     --------------------- matches some of the same values
[INFO] [stdout] 482 |                     Section::Input(input) => stringify_input_section(&input, depth),
[INFO] [stdout]     |                     --------------------- matches some of the same values
[INFO] [stdout] 483 |                     Section::Loop(luup) => stringify_loop_section(&luup, depth),
[INFO] [stdout]     |                     ------------------- matches some of the same values
[INFO] [stdout] 484 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/opt.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn optimise_sections(mut sections: Vec<Section>) -> Vec<Section> {
[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/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut bracket_count = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bracket_count`
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut bracket_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bracket_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/llir.rs:142:57
[INFO] [stdout]     |
[INFO] [stdout] 142 | ...   let change_reads = self.changes.iter().filter(|(idx, c)| if let Change::Incr(_) = c { true } else { false }).map(|(idx, _)| *...
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/llir.rs:240:30
[INFO] [stdout]     |
[INFO] [stdout] 240 |             ValInfo::Exactly(n) => {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/llir.rs:288:28
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Section::Input(input) => ValInfo::Exactly(0),
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/llir.rs:357:21
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     t => panic!("Unknown token: {:?}", t),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/llir.rs:357:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     Token::Right => current_bs.shift.0 += 1,
[INFO] [stdout]     |                     ------------ matches some of the same values
[INFO] [stdout] 327 |                     Token::Left => current_bs.shift.0 -= 1,
[INFO] [stdout]     |                     ----------- matches some of the same values
[INFO] [stdout] 328 |                     Token::Inc => current_bs.add_cell_incr(current_bs.shift, Diff(1)),
[INFO] [stdout]     |                     ---------- matches some of the same values
[INFO] [stdout] 329 |                     Token::Dec => current_bs.add_cell_incr(current_bs.shift, Diff(-1)),
[INFO] [stdout]     |                     ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 357 |                     t => panic!("Unknown token: {:?}", t),
[INFO] [stdout]     |                     ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `funkicrab` (bin "funkicrab") due to 1 previous error; 33 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/llir.rs:484:21
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/llir.rs:484:21
[INFO] [stdout]     |
[INFO] [stdout] 481 |                     Section::Basic(basic) => stringify_basic_section(&basic, depth),
[INFO] [stdout]     |                     --------------------- matches some of the same values
[INFO] [stdout] 482 |                     Section::Input(input) => stringify_input_section(&input, depth),
[INFO] [stdout]     |                     --------------------- matches some of the same values
[INFO] [stdout] 483 |                     Section::Loop(luup) => stringify_loop_section(&luup, depth),
[INFO] [stdout]     |                     ------------------- matches some of the same values
[INFO] [stdout] 484 |                     _ => panic!("Unknown section type!"),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/opt.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn optimise_sections(mut sections: Vec<Section>) -> Vec<Section> {
[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/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut bracket_count = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bracket_count`
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut bracket_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bracket_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `funkicrab` (bin "funkicrab" test) due to 1 previous error; 33 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f812a879102adb95d010b002799dda4ce1637ff695b14cb57519155871a1aaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f812a879102adb95d010b002799dda4ce1637ff695b14cb57519155871a1aaa2", kill_on_drop: false }`
[INFO] [stdout] f812a879102adb95d010b002799dda4ce1637ff695b14cb57519155871a1aaa2
