[INFO] fetching crate simple_peg 0.3.0...
[INFO] checking simple_peg-0.3.0 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate simple_peg 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate simple_peg 0.3.0
[INFO] finished tweaking crates.io crate simple_peg 0.3.0
[INFO] tweaked toml for crates.io crate simple_peg 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_peg 0.3.0 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
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[INFO] crate crates.io crate simple_peg 0.3.0 already has a lockfile, it will not be regenerated
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[INFO] [stdout] abd1767584d288a8e8f0ac521bcd5de5785a46ed8dc23d17e2379090001d402f
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[INFO] [stdout] abd1767584d288a8e8f0ac521bcd5de5785a46ed8dc23d17e2379090001d402f
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[INFO] [stderr]     Checking simple_peg v0.3.0 (/opt/rustwide/workdir)
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[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":5,"ph":4,"wa":0,"pa":0,"a":4,"pos":4,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":4,"a_opt":4,"sz_no_dedup":64,"sz_old":64,"sz_opt":64}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":0,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":4,"ph":3,"wa":0,"pa":0,"a":3,"pos":0,"named":0,"cap":3,"ucap":2,"dup":1,"const":0,"constparam":0,"other_dup":0,"d2":1,"d3":0,"d4p":0,"deduped":1,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":48,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":3,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":3,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":2,"wa":0,"pa":0,"a":2,"pos":2,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":3,"ph":2,"wa":0,"pa":0,"a":2,"pos":2,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":5,"ph":4,"wa":0,"pa":0,"a":4,"pos":4,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":4,"a_opt":4,"sz_no_dedup":64,"sz_old":64,"sz_opt":64}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":0,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":0,"named":0,"cap":1,"ucap":1,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"simple_peg","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/peg.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut stack: Vec<Option<State<String>>> = 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: unused variable: `stack`
[INFO] [stdout]   --> src/peg.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/peg.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/peg.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/peg.rs:670:9
[INFO] [stdout]     |
[INFO] [stdout] 670 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/peg.rs:670:9
[INFO] [stdout]     |
[INFO] [stdout] 670 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/peg.rs:714:9
[INFO] [stdout]     |
[INFO] [stdout] 714 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/peg.rs:714:9
[INFO] [stdout]     |
[INFO] [stdout] 714 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/peg.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut stack: Vec<Option<State<String>>> = 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: unused variable: `stack`
[INFO] [stdout]   --> src/peg.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1034:9
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[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/peg.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/peg.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1034:9
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1286:9
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1286:9
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1341:9
[INFO] [stdout]      |
[INFO] [stdout] 1341 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[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/peg.rs:670:9
[INFO] [stdout]     |
[INFO] [stdout] 670 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1341:9
[INFO] [stdout]      |
[INFO] [stdout] 1341 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1396:9
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1396:9
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/peg.rs:670:9
[INFO] [stdout]     |
[INFO] [stdout] 670 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/peg.rs:714:9
[INFO] [stdout]     |
[INFO] [stdout] 714 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[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/peg.rs:1542:9
[INFO] [stdout]      |
[INFO] [stdout] 1542 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1542:9
[INFO] [stdout]      |
[INFO] [stdout] 1542 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/peg.rs:714:9
[INFO] [stdout]     |
[INFO] [stdout] 714 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1034:9
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1034:9
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memo`
[INFO] [stdout]    --> src/utils.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     memo: &'a Memo<String>,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_memo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1286:9
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1286:9
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1341:9
[INFO] [stdout]      |
[INFO] [stdout] 1341 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1341:9
[INFO] [stdout]      |
[INFO] [stdout] 1341 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1396:9
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1396:9
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/peg.rs:1542:9
[INFO] [stdout]      |
[INFO] [stdout] 1542 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]     --> src/peg.rs:1542:9
[INFO] [stdout]      |
[INFO] [stdout] 1542 |     let mut stack: Vec<Option<State<String>>> = Vec::new();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memo`
[INFO] [stdout]    --> src/utils.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     memo: &'a Memo<String>,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_memo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f47c4abb33c14680ceaa573e63497a9ede78a60cf60584063317182630081a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47c4abb33c14680ceaa573e63497a9ede78a60cf60584063317182630081a75", kill_on_drop: false }`
[INFO] [stdout] f47c4abb33c14680ceaa573e63497a9ede78a60cf60584063317182630081a75