[INFO] cloning repository https://github.com/AnicetNgrt/parser_combinators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnicetNgrt/parser_combinators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnicetNgrt%2Fparser_combinators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnicetNgrt%2Fparser_combinators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0a58ef2d271a41ef4b6e1786c7271007e644496
[INFO] testing AnicetNgrt/parser_combinators against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnicetNgrt%2Fparser_combinators" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AnicetNgrt/parser_combinators
[INFO] finished tweaking git repo https://github.com/AnicetNgrt/parser_combinators
[INFO] tweaked toml for git repo https://github.com/AnicetNgrt/parser_combinators written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AnicetNgrt/parser_combinators on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AnicetNgrt/parser_combinators 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7093e6b3810c9cbb5507bb068f580a679e2544dc2de9691065a8e3df2d2f8460
[INFO] running `Command { std: "docker" "start" "-a" "7093e6b3810c9cbb5507bb068f580a679e2544dc2de9691065a8e3df2d2f8460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7093e6b3810c9cbb5507bb068f580a679e2544dc2de9691065a8e3df2d2f8460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7093e6b3810c9cbb5507bb068f580a679e2544dc2de9691065a8e3df2d2f8460", kill_on_drop: false }`
[INFO] [stdout] 7093e6b3810c9cbb5507bb068f580a679e2544dc2de9691065a8e3df2d2f8460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b685cf6ad5f7b88c0b845389da1b13a4264934c73709d296131eb41eefc1236e
[INFO] running `Command { std: "docker" "start" "-a" "b685cf6ad5f7b88c0b845389da1b13a4264934c73709d296131eb41eefc1236e", kill_on_drop: false }`
[INFO] [stderr]    Compiling parser_combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Element {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ParseResult` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type ParseResult<'a, Output> = Result<(&'a str, Output), &'a str>;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parser` is never used
[INFO] [stdout]   --> src/lib.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Parser<'a, Output> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_literal` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn match_literal<'a>(expected: &'static str) -> impl Parser<'a, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout]   --> src/lib.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `any_char` is never used
[INFO] [stdout]   --> src/lib.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pair` is never used
[INFO] [stdout]   --> src/lib.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn pair<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, (R1, R2)>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map` is never used
[INFO] [stdout]   --> src/lib.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn map<'a, P, F, A, B>(parser: P, map_fn: F) -> impl Parser<'a, B>
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `left` is never used
[INFO] [stdout]   --> src/lib.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn left<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R1>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `right` is never used
[INFO] [stdout]   --> src/lib.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn right<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R2>
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_or_more` is never used
[INFO] [stdout]    --> src/lib.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn one_or_more<'a, P, A> (parser: P) -> impl Parser<'a, Vec<A>>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_or_more` is never used
[INFO] [stdout]    --> src/lib.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn zero_or_more<'a, P, A> (parser: P) -> impl Parser<'a, Vec<A>>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pred` is never used
[INFO] [stdout]    --> src/lib.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn pred<'a, P, R, F>(parser: P, predicate: F) -> impl Parser<'a, R> 
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `whitespace_char` is never used
[INFO] [stdout]    --> src/lib.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space1` is never used
[INFO] [stdout]    --> src/lib.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space0` is never used
[INFO] [stdout]    --> src/lib.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quoted_string` is never used
[INFO] [stdout]    --> src/lib.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stdout]    |                      ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]    |                    ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]     |                           ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:160:18
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stdout]     |                         ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b685cf6ad5f7b88c0b845389da1b13a4264934c73709d296131eb41eefc1236e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b685cf6ad5f7b88c0b845389da1b13a4264934c73709d296131eb41eefc1236e", kill_on_drop: false }`
[INFO] [stdout] b685cf6ad5f7b88c0b845389da1b13a4264934c73709d296131eb41eefc1236e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90f7a956af135c61cd7561824f6f02978997cbee60abaca1010271bff5e8462
[INFO] running `Command { std: "docker" "start" "-a" "c90f7a956af135c61cd7561824f6f02978997cbee60abaca1010271bff5e8462", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Element {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ParseResult` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type ParseResult<'a, Output> = Result<(&'a str, Output), &'a str>;
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parser` is never used
[INFO] [stdout]   --> src/lib.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Parser<'a, Output> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_literal` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn match_literal<'a>(expected: &'static str) -> impl Parser<'a, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout]   --> src/lib.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `any_char` is never used
[INFO] [stdout]   --> src/lib.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pair` is never used
[INFO] [stdout]   --> src/lib.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn pair<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, (R1, R2)>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map` is never used
[INFO] [stdout]   --> src/lib.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn map<'a, P, F, A, B>(parser: P, map_fn: F) -> impl Parser<'a, B>
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `left` is never used
[INFO] [stdout]   --> src/lib.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn left<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R1>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `right` is never used
[INFO] [stdout]   --> src/lib.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn right<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R2>
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_or_more` is never used
[INFO] [stdout]    --> src/lib.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn one_or_more<'a, P, A> (parser: P) -> impl Parser<'a, Vec<A>>
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_or_more` is never used
[INFO] [stdout]    --> src/lib.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn zero_or_more<'a, P, A> (parser: P) -> impl Parser<'a, Vec<A>>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pred` is never used
[INFO] [stdout]    --> src/lib.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn pred<'a, P, R, F>(parser: P, predicate: F) -> impl Parser<'a, R> 
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `whitespace_char` is never used
[INFO] [stdout]    --> src/lib.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parser_combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `space1` is never used
[INFO] [stdout]    --> src/lib.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space0` is never used
[INFO] [stdout]    --> src/lib.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quoted_string` is never used
[INFO] [stdout]    --> src/lib.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stdout]    |                      ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]    |                    ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]     |                           ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:160:18
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stdout]     |                         ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Element {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `whitespace_char` is never used
[INFO] [stdout]    --> src/lib.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space1` is never used
[INFO] [stdout]    --> src/lib.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space0` is never used
[INFO] [stdout]    --> src/lib.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stdout]    |                      ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]    |                    ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stdout]     |                           ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn whitespace_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn space1(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:160:18
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stdout]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn space0(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stdout]     |                         ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn quoted_string(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "c90f7a956af135c61cd7561824f6f02978997cbee60abaca1010271bff5e8462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90f7a956af135c61cd7561824f6f02978997cbee60abaca1010271bff5e8462", kill_on_drop: false }`
[INFO] [stdout] c90f7a956af135c61cd7561824f6f02978997cbee60abaca1010271bff5e8462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 303dea25b1372633dff0680d85b19af39933bd3730e0363389ddb2e4cf9de427
[INFO] running `Command { std: "docker" "start" "-a" "303dea25b1372633dff0680d85b19af39933bd3730e0363389ddb2e4cf9de427", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Element` is never constructed
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Element {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ParseResult` is never used
[INFO] [stderr]   --> src/lib.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | type ParseResult<'a, Output> = Result<(&'a str, Output), &'a str>;
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Parser` is never used
[INFO] [stderr]   --> src/lib.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | trait Parser<'a, Output> {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `match_literal` is never used
[INFO] [stderr]   --> src/lib.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn match_literal<'a>(expected: &'static str) -> impl Parser<'a, ()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `identifier` is never used
[INFO] [stderr]   --> src/lib.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `any_char` is never used
[INFO] [stderr]   --> src/lib.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pair` is never used
[INFO] [stderr]   --> src/lib.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn pair<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, (R1, R2)>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `map` is never used
[INFO] [stderr]   --> src/lib.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn map<'a, P, F, A, B>(parser: P, map_fn: F) -> impl Parser<'a, B>
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `left` is never used
[INFO] [stderr]   --> src/lib.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn left<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R1>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `right` is never used
[INFO] [stderr]   --> src/lib.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn right<'a, P1, P2, R1, R2>(parser1: P1, parser2: P2) -> impl Parser<'a, R2>
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `one_or_more` is never used
[INFO] [stderr]    --> src/lib.rs:102:4
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn one_or_more<'a, P, A> (parser: P) -> impl Parser<'a, Vec<A>>
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `zero_or_more` is never used
[INFO] [stderr]    --> src/lib.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn zero_or_more<'a, P, A> (parser: P) -> impl Parser<'a, Vec<A>>
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pred` is never used
[INFO] [stderr]    --> src/lib.rs:137:4
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn pred<'a, P, R, F>(parser: P, predicate: F) -> impl Parser<'a, R> 
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `whitespace_char` is never used
[INFO] [stderr]    --> src/lib.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `space1` is never used
[INFO] [stderr]    --> src/lib.rs:156:4
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `space0` is never used
[INFO] [stderr]    --> src/lib.rs:160:4
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `quoted_string` is never used
[INFO] [stderr]    --> src/lib.rs:164:4
[INFO] [stderr]     |
[INFO] [stderr] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/lib.rs:35:22
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stderr]    |                      ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/lib.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stderr]    |                    ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:152:27
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn whitespace_char(input: &str) -> ParseResult<char> {
[INFO] [stderr]     |                           ^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn whitespace_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:156:18
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn space1(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stderr]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn space1(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:160:18
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn space0(input: &str) -> ParseResult<Vec<char>> {
[INFO] [stderr]     |                  ^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn space0(input: &str) -> ParseResult<'_, Vec<char>> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 164 | fn quoted_string(input: &str) -> ParseResult<String> {
[INFO] [stderr]     |                         ^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 164 | fn quoted_string(input: &str) -> ParseResult<'_, String> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `parser_combinators` (lib) generated 23 warnings
[INFO] [stderr] warning: `parser_combinators` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parser_combinators-9683780685c70737)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test identifier_parser ... ok
[INFO] [stdout] test pair_combinator ... ok
[INFO] [stdout] test literal_parser ... ok
[INFO] [stdout] test quoted_string_parser ... ok
[INFO] [stdout] test zero_or_more_combinator ... ok
[INFO] [stdout] test predicate_combinator ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/parser_combinators-25876894a1e143ad)
[INFO] [stdout] test one_or_more_combinator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parser_combinators
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "303dea25b1372633dff0680d85b19af39933bd3730e0363389ddb2e4cf9de427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303dea25b1372633dff0680d85b19af39933bd3730e0363389ddb2e4cf9de427", kill_on_drop: false }`
[INFO] [stdout] 303dea25b1372633dff0680d85b19af39933bd3730e0363389ddb2e4cf9de427
