[INFO] cloning repository https://github.com/SirHall/parse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirHall/parse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirHall%2Fparse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirHall%2Fparse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d04345e89808a3fba2a0728878e10bf9f7702b56
[INFO] testing SirHall/parse against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirHall%2Fparse" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SirHall/parse on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SirHall/parse
[INFO] finished tweaking git repo https://github.com/SirHall/parse
[INFO] tweaked toml for git repo https://github.com/SirHall/parse written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SirHall/parse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61d8e2ba0cbcffb9bb2c84583ee2798c5e362b0edf113a7589c2b4d9716be33a
[INFO] running `Command { std: "docker" "start" "-a" "61d8e2ba0cbcffb9bb2c84583ee2798c5e362b0edf113a7589c2b4d9716be33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d8e2ba0cbcffb9bb2c84583ee2798c5e362b0edf113a7589c2b4d9716be33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d8e2ba0cbcffb9bb2c84583ee2798c5e362b0edf113a7589c2b4d9716be33a", kill_on_drop: false }`
[INFO] [stdout] 61d8e2ba0cbcffb9bb2c84583ee2798c5e362b0edf113a7589c2b4d9716be33a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 624e5681077e6a80cd7483950e892ee2949a264b58fc5a19e7567f51ed2fec4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "624e5681077e6a80cd7483950e892ee2949a264b58fc5a19e7567f51ed2fec4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parse-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/main.rs:215:11
[INFO] [stdout]     |
[INFO] [stdout] 215 |     move |ind : &InDat<'a>| -> Out<'a> {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:231:16
[INFO] [stdout]     |
[INFO] [stdout] 231 |             Ok(v) => Err(FailDat {}),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |             Err(v) => Ok(OutDat {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_fail`
[INFO] [stdout]    --> src/main.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |             Err(a_fail) => b(ind),
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fail`
[INFO] [stdout]    --> src/main.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                     Err(fail) => return Err(FailDat {}),
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     String
[INFO] [stdout] 10 | |     {
[INFO] [stdout] 11 | |         s : String,
[INFO] [stdout] 12 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LR`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     LR
[INFO] [stdout] 14 | |     {
[INFO] [stdout] 15 | |         l : Box<Dat>,
[INFO] [stdout] 16 | |         r : Box<Dat>,
[INFO] [stdout] 17 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     V
[INFO] [stdout] 19 | |     {
[INFO] [stdout] 20 | |         v : Box<Dat>,
[INFO] [stdout] 21 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tree`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     Tree
[INFO] [stdout] 23 | |     {
[INFO] [stdout] 24 | |         p : Box<Dat>, // Parent
[INFO] [stdout] 25 | |         c : Box<Dat>, // Child
[INFO] [stdout] 26 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     line :   usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     column : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn new(line : usize, column : usize) -> Self
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     text : &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pos :  FilePos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     val :       Dat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pos :       FilePos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remainder`
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     remainder : &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Out`
[INFO] [stdout]   --> src/main.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | type Out<'a> = Result<OutDat<'a>, FailDat>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_comb`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn gen_comb<'a>(a : Out<'a>, b : Out<'a>, comb : impl CombinerOk<'a>) -> Out<'a>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lr_comb`
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn lr_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `l_comb`
[INFO] [stdout]   --> src/main.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn l_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `r_comb`
[INFO] [stdout]    --> src/main.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn r_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lt_comb`
[INFO] [stdout]    --> src/main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn lt_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rt_comb`
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn rt_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_in`
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn to_in(&self) -> InDat<'a>
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `then`
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn then<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mod_dat`
[INFO] [stdout]    --> src/main.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn mod_dat<'a>(p : impl Parser<'a>, f : impl Fn(OutDat<'a>) -> OutDat<'a> + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mod_val`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn mod_val<'a>(p : impl Parser<'a>, f : impl Fn(Dat) -> Dat + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replace_val`
[INFO] [stdout]    --> src/main.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn replace_val<'a>(p : impl Parser<'a>, v : Dat) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `succeed_if`
[INFO] [stdout]    --> src/main.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn succeed_if<'a>(p : impl Parser<'a>, f : impl Fn(&OutDat<'a>) -> bool + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fail_if`
[INFO] [stdout]    --> src/main.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn fail_if<'a>(p : impl Parser<'a>, f : impl Fn(&OutDat<'a>) -> bool + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_all`
[INFO] [stdout]    --> src/main.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn consume_all<'a>(p : impl Parser<'a>) -> impl Parser<'a> { succeed_if(p, |r| r.remainder.is_empty()) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `always`
[INFO] [stdout]    --> src/main.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn always<'a>(v : &'a str) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `not`
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn not<'a>(p : impl Parser<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `or`
[INFO] [stdout]    --> src/main.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn or<'a>(a : impl Parser<'a>, b : impl Parser<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `either_or`
[INFO] [stdout]    --> src/main.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn either_or<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chain`
[INFO] [stdout]    --> src/main.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn chain<'a>(ps : Vec<impl Parser<'a>>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chain_select`
[INFO] [stdout]    --> src/main.rs:282:4
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn chain_select<'a>(ps : Vec<impl Parser<'a>>, index : usize) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `or_chain`
[INFO] [stdout]    --> src/main.rs:325:4
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn or_chain<'a>(ps : Vec<impl Parser<'a>>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_or_none`
[INFO] [stdout]    --> src/main.rs:340:4
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn one_or_none<'a>(p : impl Parser<'a>) -> impl Parser<'a> { or(p, always("")) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_or_many`
[INFO] [stdout]    --> src/main.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn one_or_many<'a>(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `none_or_many`
[INFO] [stdout]    --> src/main.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn none_or_many<'a>(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `none_or_many_until`
[INFO] [stdout]    --> src/main.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn none_or_many_until<'a>(pa : impl Parser<'a>, pb : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_or_many_until`
[INFO] [stdout]    --> src/main.rs:371:4
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn one_or_many_until<'a>(pa : impl Parser<'a>, pb : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_char_f`
[INFO] [stdout]    --> src/main.rs:380:4
[INFO] [stdout]     |
[INFO] [stdout] 380 | fn read_char_f<'a>(predicate : impl Fn(char) -> bool + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char_in_str`
[INFO] [stdout]    --> src/main.rs:410:4
[INFO] [stdout]     |
[INFO] [stdout] 410 | fn char_in_str<'a>(chars_list : &'a str) -> impl Parser<'a> { read_char_f(|c| chars_list.chars().any(|f| f == c)) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char_single`
[INFO] [stdout]    --> src/main.rs:412:4
[INFO] [stdout]     |
[INFO] [stdout] 412 | fn char_single<'a>(ch : char) -> impl Parser<'a> { read_char_f(move |c| c == ch) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keyword`
[INFO] [stdout]    --> src/main.rs:414:4
[INFO] [stdout]     |
[INFO] [stdout] 414 | fn keyword(word : &'a str) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `any_char`
[INFO] [stdout]    --> src/main.rs:435:4
[INFO] [stdout]     |
[INFO] [stdout] 435 | fn any_char<'a>() -> impl Parser<'a> { read_char_f(|_| true) }
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_until`
[INFO] [stdout]    --> src/main.rs:437:4
[INFO] [stdout]     |
[INFO] [stdout] 437 | fn consume_until(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thenr`
[INFO] [stdout]    --> src/main.rs:442:4
[INFO] [stdout]     |
[INFO] [stdout] 442 | fn thenr<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `escaped_char`
[INFO] [stdout]    --> src/main.rs:484:4
[INFO] [stdout]     |
[INFO] [stdout] 484 | fn escaped_char<'a>() -> impl Parser<'a> { then(char_single('\\'), any_char(), lr_comb) }
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normal_string`
[INFO] [stdout]    --> src/main.rs:486:4
[INFO] [stdout]     |
[INFO] [stdout] 486 | fn normal_string<'a>() -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digit`
[INFO] [stdout]    --> src/main.rs:495:4
[INFO] [stdout]     |
[INFO] [stdout] 495 | fn digit<'a>() -> impl Parser<'a> { char_in_str("0123456789") }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `newline`
[INFO] [stdout]    --> src/main.rs:497:4
[INFO] [stdout]     |
[INFO] [stdout] 497 | fn newline<'a>() -> impl Parser<'a> { or(keyword("\r\n"), keyword("\n")) }
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `air`
[INFO] [stdout]    --> src/main.rs:499:4
[INFO] [stdout]     |
[INFO] [stdout] 499 | fn air<'a>() -> impl Parser<'a> { char_in_str(" \t\r") }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comma`
[INFO] [stdout]    --> src/main.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn comma<'a>() -> impl Parser<'a> { char_single(',') }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]    --> src/main.rs:503:4
[INFO] [stdout]     |
[INFO] [stdout] 503 | fn dot<'a>() -> impl Parser<'a> { char_single('.') }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in_air`
[INFO] [stdout]    --> src/main.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn in_air<'a>(p : impl Parser<'a>) -> impl Parser<'a> { then(air(), then(p, air(), l_comb), r_comb) }
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 61 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.31s
[INFO] running `Command { std: "docker" "inspect" "624e5681077e6a80cd7483950e892ee2949a264b58fc5a19e7567f51ed2fec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624e5681077e6a80cd7483950e892ee2949a264b58fc5a19e7567f51ed2fec4c", kill_on_drop: false }`
[INFO] [stdout] 624e5681077e6a80cd7483950e892ee2949a264b58fc5a19e7567f51ed2fec4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 048bf6a3d8aedb4be03728d3400741c727795b69fc8f98f71e0f7db444df5eb3
[INFO] running `Command { std: "docker" "start" "-a" "048bf6a3d8aedb4be03728d3400741c727795b69fc8f98f71e0f7db444df5eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling parse-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]    --> src/main.rs:215:11
[INFO] [stdout]     |
[INFO] [stdout] 215 |     move |ind : &InDat<'a>| -> Out<'a> {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:231:16
[INFO] [stdout]     |
[INFO] [stdout] 231 |             Ok(v) => Err(FailDat {}),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |             Err(v) => Ok(OutDat {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_fail`
[INFO] [stdout]    --> src/main.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |             Err(a_fail) => b(ind),
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fail`
[INFO] [stdout]    --> src/main.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                     Err(fail) => return Err(FailDat {}),
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     None,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     String
[INFO] [stdout] 10 | |     {
[INFO] [stdout] 11 | |         s : String,
[INFO] [stdout] 12 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LR`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     LR
[INFO] [stdout] 14 | |     {
[INFO] [stdout] 15 | |         l : Box<Dat>,
[INFO] [stdout] 16 | |         r : Box<Dat>,
[INFO] [stdout] 17 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     V
[INFO] [stdout] 19 | |     {
[INFO] [stdout] 20 | |         v : Box<Dat>,
[INFO] [stdout] 21 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tree`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     Tree
[INFO] [stdout] 23 | |     {
[INFO] [stdout] 24 | |         p : Box<Dat>, // Parent
[INFO] [stdout] 25 | |         c : Box<Dat>, // Child
[INFO] [stdout] 26 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     line :   usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     column : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn new(line : usize, column : usize) -> Self
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     text : &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pos :  FilePos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     val :       Dat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos`
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pos :       FilePos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remainder`
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     remainder : &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Out`
[INFO] [stdout]   --> src/main.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | type Out<'a> = Result<OutDat<'a>, FailDat>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_comb`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn gen_comb<'a>(a : Out<'a>, b : Out<'a>, comb : impl CombinerOk<'a>) -> Out<'a>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lr_comb`
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn lr_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `l_comb`
[INFO] [stdout]   --> src/main.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn l_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `r_comb`
[INFO] [stdout]    --> src/main.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn r_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lt_comb`
[INFO] [stdout]    --> src/main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn lt_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rt_comb`
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn rt_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_in`
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn to_in(&self) -> InDat<'a>
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `then`
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn then<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mod_dat`
[INFO] [stdout]    --> src/main.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn mod_dat<'a>(p : impl Parser<'a>, f : impl Fn(OutDat<'a>) -> OutDat<'a> + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mod_val`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn mod_val<'a>(p : impl Parser<'a>, f : impl Fn(Dat) -> Dat + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replace_val`
[INFO] [stdout]    --> src/main.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn replace_val<'a>(p : impl Parser<'a>, v : Dat) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `succeed_if`
[INFO] [stdout]    --> src/main.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn succeed_if<'a>(p : impl Parser<'a>, f : impl Fn(&OutDat<'a>) -> bool + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fail_if`
[INFO] [stdout]    --> src/main.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn fail_if<'a>(p : impl Parser<'a>, f : impl Fn(&OutDat<'a>) -> bool + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_all`
[INFO] [stdout]    --> src/main.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn consume_all<'a>(p : impl Parser<'a>) -> impl Parser<'a> { succeed_if(p, |r| r.remainder.is_empty()) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `always`
[INFO] [stdout]    --> src/main.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn always<'a>(v : &'a str) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `not`
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn not<'a>(p : impl Parser<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `or`
[INFO] [stdout]    --> src/main.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn or<'a>(a : impl Parser<'a>, b : impl Parser<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `either_or`
[INFO] [stdout]    --> src/main.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn either_or<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chain`
[INFO] [stdout]    --> src/main.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn chain<'a>(ps : Vec<impl Parser<'a>>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chain_select`
[INFO] [stdout]    --> src/main.rs:282:4
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn chain_select<'a>(ps : Vec<impl Parser<'a>>, index : usize) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `or_chain`
[INFO] [stdout]    --> src/main.rs:325:4
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn or_chain<'a>(ps : Vec<impl Parser<'a>>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_or_none`
[INFO] [stdout]    --> src/main.rs:340:4
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn one_or_none<'a>(p : impl Parser<'a>) -> impl Parser<'a> { or(p, always("")) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_or_many`
[INFO] [stdout]    --> src/main.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn one_or_many<'a>(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `none_or_many`
[INFO] [stdout]    --> src/main.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn none_or_many<'a>(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `none_or_many_until`
[INFO] [stdout]    --> src/main.rs:357:4
[INFO] [stdout]     |
[INFO] [stdout] 357 | fn none_or_many_until<'a>(pa : impl Parser<'a>, pb : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_or_many_until`
[INFO] [stdout]    --> src/main.rs:371:4
[INFO] [stdout]     |
[INFO] [stdout] 371 | fn one_or_many_until<'a>(pa : impl Parser<'a>, pb : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_char_f`
[INFO] [stdout]    --> src/main.rs:380:4
[INFO] [stdout]     |
[INFO] [stdout] 380 | fn read_char_f<'a>(predicate : impl Fn(char) -> bool + Clone) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char_in_str`
[INFO] [stdout]    --> src/main.rs:410:4
[INFO] [stdout]     |
[INFO] [stdout] 410 | fn char_in_str<'a>(chars_list : &'a str) -> impl Parser<'a> { read_char_f(|c| chars_list.chars().any(|f| f == c)) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char_single`
[INFO] [stdout]    --> src/main.rs:412:4
[INFO] [stdout]     |
[INFO] [stdout] 412 | fn char_single<'a>(ch : char) -> impl Parser<'a> { read_char_f(move |c| c == ch) }
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keyword`
[INFO] [stdout]    --> src/main.rs:414:4
[INFO] [stdout]     |
[INFO] [stdout] 414 | fn keyword(word : &'a str) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `any_char`
[INFO] [stdout]    --> src/main.rs:435:4
[INFO] [stdout]     |
[INFO] [stdout] 435 | fn any_char<'a>() -> impl Parser<'a> { read_char_f(|_| true) }
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_until`
[INFO] [stdout]    --> src/main.rs:437:4
[INFO] [stdout]     |
[INFO] [stdout] 437 | fn consume_until(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thenr`
[INFO] [stdout]    --> src/main.rs:442:4
[INFO] [stdout]     |
[INFO] [stdout] 442 | fn thenr<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `escaped_char`
[INFO] [stdout]    --> src/main.rs:484:4
[INFO] [stdout]     |
[INFO] [stdout] 484 | fn escaped_char<'a>() -> impl Parser<'a> { then(char_single('\\'), any_char(), lr_comb) }
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normal_string`
[INFO] [stdout]    --> src/main.rs:486:4
[INFO] [stdout]     |
[INFO] [stdout] 486 | fn normal_string<'a>() -> impl Parser<'a>
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digit`
[INFO] [stdout]    --> src/main.rs:495:4
[INFO] [stdout]     |
[INFO] [stdout] 495 | fn digit<'a>() -> impl Parser<'a> { char_in_str("0123456789") }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `newline`
[INFO] [stdout]    --> src/main.rs:497:4
[INFO] [stdout]     |
[INFO] [stdout] 497 | fn newline<'a>() -> impl Parser<'a> { or(keyword("\r\n"), keyword("\n")) }
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `air`
[INFO] [stdout]    --> src/main.rs:499:4
[INFO] [stdout]     |
[INFO] [stdout] 499 | fn air<'a>() -> impl Parser<'a> { char_in_str(" \t\r") }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comma`
[INFO] [stdout]    --> src/main.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn comma<'a>() -> impl Parser<'a> { char_single(',') }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]    --> src/main.rs:503:4
[INFO] [stdout]     |
[INFO] [stdout] 503 | fn dot<'a>() -> impl Parser<'a> { char_single('.') }
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in_air`
[INFO] [stdout]    --> src/main.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn in_air<'a>(p : impl Parser<'a>) -> impl Parser<'a> { then(air(), then(p, air(), l_comb), r_comb) }
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 61 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "048bf6a3d8aedb4be03728d3400741c727795b69fc8f98f71e0f7db444df5eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048bf6a3d8aedb4be03728d3400741c727795b69fc8f98f71e0f7db444df5eb3", kill_on_drop: false }`
[INFO] [stdout] 048bf6a3d8aedb4be03728d3400741c727795b69fc8f98f71e0f7db444df5eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42ef733ac0b66111c68018eeed1082329d038117c8be7ab63894ccf0d04bcac2
[INFO] running `Command { std: "docker" "start" "-a" "42ef733ac0b66111c68018eeed1082329d038117c8be7ab63894ccf0d04bcac2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ind`
[INFO] [stderr]    --> src/main.rs:215:11
[INFO] [stderr]     |
[INFO] [stderr] 215 |     move |ind : &InDat<'a>| -> Out<'a> {
[INFO] [stderr]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:231:16
[INFO] [stderr]     |
[INFO] [stderr] 231 |             Ok(v) => Err(FailDat {}),
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:232:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |             Err(v) => Ok(OutDat {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_fail`
[INFO] [stderr]    --> src/main.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |             Err(a_fail) => b(ind),
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_fail`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fail`
[INFO] [stderr]    --> src/main.rs:273:25
[INFO] [stderr]     |
[INFO] [stderr] 273 |                     Err(fail) => return Err(FailDat {}),
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_fail`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     None,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/main.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | /     String
[INFO] [stderr] 10 | |     {
[INFO] [stderr] 11 | |         s : String,
[INFO] [stderr] 12 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LR`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     LR
[INFO] [stderr] 14 | |     {
[INFO] [stderr] 15 | |         l : Box<Dat>,
[INFO] [stderr] 16 | |         r : Box<Dat>,
[INFO] [stderr] 17 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `V`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     V
[INFO] [stderr] 19 | |     {
[INFO] [stderr] 20 | |         v : Box<Dat>,
[INFO] [stderr] 21 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tree`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     Tree
[INFO] [stderr] 23 | |     {
[INFO] [stderr] 24 | |         p : Box<Dat>, // Parent
[INFO] [stderr] 25 | |         c : Box<Dat>, // Child
[INFO] [stderr] 26 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     line :   usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `column`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     column : usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/main.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn new(line : usize, column : usize) -> Self
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `text`
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     text : &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pos`
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pos :  FilePos,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     val :       Dat,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pos`
[INFO] [stderr]   --> src/main.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pos :       FilePos,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `remainder`
[INFO] [stderr]   --> src/main.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     remainder : &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Out`
[INFO] [stderr]   --> src/main.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | type Out<'a> = Result<OutDat<'a>, FailDat>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_comb`
[INFO] [stderr]   --> src/main.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn gen_comb<'a>(a : Out<'a>, b : Out<'a>, comb : impl CombinerOk<'a>) -> Out<'a>
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lr_comb`
[INFO] [stderr]   --> src/main.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn lr_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `l_comb`
[INFO] [stderr]   --> src/main.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn l_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `r_comb`
[INFO] [stderr]    --> src/main.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn r_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lt_comb`
[INFO] [stderr]    --> src/main.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn lt_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rt_comb`
[INFO] [stderr]    --> src/main.rs:119:4
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn rt_comb<'a>(a : Out<'a>, b : Out<'a>) -> Out<'a>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_in`
[INFO] [stderr]    --> src/main.rs:129:8
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn to_in(&self) -> InDat<'a>
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `then`
[INFO] [stderr]    --> src/main.rs:138:4
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn then<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_dat`
[INFO] [stderr]    --> src/main.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn mod_dat<'a>(p : impl Parser<'a>, f : impl Fn(OutDat<'a>) -> OutDat<'a> + Clone) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_val`
[INFO] [stderr]    --> src/main.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn mod_val<'a>(p : impl Parser<'a>, f : impl Fn(Dat) -> Dat + Clone) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `replace_val`
[INFO] [stderr]    --> src/main.rs:176:4
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn replace_val<'a>(p : impl Parser<'a>, v : Dat) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `succeed_if`
[INFO] [stderr]    --> src/main.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn succeed_if<'a>(p : impl Parser<'a>, f : impl Fn(&OutDat<'a>) -> bool + Clone) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fail_if`
[INFO] [stderr]    --> src/main.rs:203:4
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn fail_if<'a>(p : impl Parser<'a>, f : impl Fn(&OutDat<'a>) -> bool + Clone) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `consume_all`
[INFO] [stderr]    --> src/main.rs:208:4
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn consume_all<'a>(p : impl Parser<'a>) -> impl Parser<'a> { succeed_if(p, |r| r.remainder.is_empty()) }
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `always`
[INFO] [stderr]    --> src/main.rs:213:4
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn always<'a>(v : &'a str) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `not`
[INFO] [stderr]    --> src/main.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn not<'a>(p : impl Parser<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `or`
[INFO] [stderr]    --> src/main.rs:241:4
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn or<'a>(a : impl Parser<'a>, b : impl Parser<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `either_or`
[INFO] [stderr]    --> src/main.rs:252:4
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn either_or<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `chain`
[INFO] [stderr]    --> src/main.rs:257:4
[INFO] [stderr]     |
[INFO] [stderr] 257 | fn chain<'a>(ps : Vec<impl Parser<'a>>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `chain_select`
[INFO] [stderr]    --> src/main.rs:282:4
[INFO] [stderr]     |
[INFO] [stderr] 282 | fn chain_select<'a>(ps : Vec<impl Parser<'a>>, index : usize) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `or_chain`
[INFO] [stderr]    --> src/main.rs:325:4
[INFO] [stderr]     |
[INFO] [stderr] 325 | fn or_chain<'a>(ps : Vec<impl Parser<'a>>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `one_or_none`
[INFO] [stderr]    --> src/main.rs:340:4
[INFO] [stderr]     |
[INFO] [stderr] 340 | fn one_or_none<'a>(p : impl Parser<'a>) -> impl Parser<'a> { or(p, always("")) }
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `one_or_many`
[INFO] [stderr]    --> src/main.rs:342:4
[INFO] [stderr]     |
[INFO] [stderr] 342 | fn one_or_many<'a>(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `none_or_many`
[INFO] [stderr]    --> src/main.rs:352:4
[INFO] [stderr]     |
[INFO] [stderr] 352 | fn none_or_many<'a>(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `none_or_many_until`
[INFO] [stderr]    --> src/main.rs:357:4
[INFO] [stderr]     |
[INFO] [stderr] 357 | fn none_or_many_until<'a>(pa : impl Parser<'a>, pb : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `one_or_many_until`
[INFO] [stderr]    --> src/main.rs:371:4
[INFO] [stderr]     |
[INFO] [stderr] 371 | fn one_or_many_until<'a>(pa : impl Parser<'a>, pb : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_char_f`
[INFO] [stderr]    --> src/main.rs:380:4
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn read_char_f<'a>(predicate : impl Fn(char) -> bool + Clone) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `char_in_str`
[INFO] [stderr]    --> src/main.rs:410:4
[INFO] [stderr]     |
[INFO] [stderr] 410 | fn char_in_str<'a>(chars_list : &'a str) -> impl Parser<'a> { read_char_f(|c| chars_list.chars().any(|f| f == c)) }
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `char_single`
[INFO] [stderr]    --> src/main.rs:412:4
[INFO] [stderr]     |
[INFO] [stderr] 412 | fn char_single<'a>(ch : char) -> impl Parser<'a> { read_char_f(move |c| c == ch) }
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `keyword`
[INFO] [stderr]    --> src/main.rs:414:4
[INFO] [stderr]     |
[INFO] [stderr] 414 | fn keyword(word : &'a str) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `any_char`
[INFO] [stderr]    --> src/main.rs:435:4
[INFO] [stderr]     |
[INFO] [stderr] 435 | fn any_char<'a>() -> impl Parser<'a> { read_char_f(|_| true) }
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `consume_until`
[INFO] [stderr]    --> src/main.rs:437:4
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn consume_until(p : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `thenr`
[INFO] [stderr]    --> src/main.rs:442:4
[INFO] [stderr]     |
[INFO] [stderr] 442 | fn thenr<'a>(a : impl Parser<'a>, b : impl Parser<'a>, comb : impl Combiner<'a>) -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `escaped_char`
[INFO] [stderr]    --> src/main.rs:484:4
[INFO] [stderr]     |
[INFO] [stderr] 484 | fn escaped_char<'a>() -> impl Parser<'a> { then(char_single('\\'), any_char(), lr_comb) }
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `normal_string`
[INFO] [stderr]    --> src/main.rs:486:4
[INFO] [stderr]     |
[INFO] [stderr] 486 | fn normal_string<'a>() -> impl Parser<'a>
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `digit`
[INFO] [stderr]    --> src/main.rs:495:4
[INFO] [stderr]     |
[INFO] [stderr] 495 | fn digit<'a>() -> impl Parser<'a> { char_in_str("0123456789") }
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `newline`
[INFO] [stderr]    --> src/main.rs:497:4
[INFO] [stderr]     |
[INFO] [stderr] 497 | fn newline<'a>() -> impl Parser<'a> { or(keyword("\r\n"), keyword("\n")) }
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `air`
[INFO] [stderr]    --> src/main.rs:499:4
[INFO] [stderr]     |
[INFO] [stderr] 499 | fn air<'a>() -> impl Parser<'a> { char_in_str(" \t\r") }
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comma`
[INFO] [stderr]    --> src/main.rs:501:4
[INFO] [stderr]     |
[INFO] [stderr] 501 | fn comma<'a>() -> impl Parser<'a> { char_single(',') }
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]    --> src/main.rs:503:4
[INFO] [stderr]     |
[INFO] [stderr] 503 | fn dot<'a>() -> impl Parser<'a> { char_single('.') }
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `in_air`
[INFO] [stderr]    --> src/main.rs:505:4
[INFO] [stderr]     |
[INFO] [stderr] 505 | fn in_air<'a>(p : impl Parser<'a>) -> impl Parser<'a> { then(air(), then(p, air(), l_comb), r_comb) }
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `parse-oxide` (bin "parse-oxide" test) generated 61 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parse_oxide-679e2e3bcdccfb61)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42ef733ac0b66111c68018eeed1082329d038117c8be7ab63894ccf0d04bcac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ef733ac0b66111c68018eeed1082329d038117c8be7ab63894ccf0d04bcac2", kill_on_drop: false }`
[INFO] [stdout] 42ef733ac0b66111c68018eeed1082329d038117c8be7ab63894ccf0d04bcac2