[INFO] fetching crate autumn 0.4.3...
[INFO] checking autumn-0.4.3 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate autumn 0.4.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate autumn 0.4.3
[INFO] finished tweaking crates.io crate autumn 0.4.3
[INFO] tweaked toml for crates.io crate autumn 0.4.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate autumn 0.4.3 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate autumn 0.4.3 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03edb2caa27d3ff333434c399fc28d29ba2fd8300ff0260982c8779c625c434c
[INFO] running `Command { std: "docker" "start" "-a" "03edb2caa27d3ff333434c399fc28d29ba2fd8300ff0260982c8779c625c434c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03edb2caa27d3ff333434c399fc28d29ba2fd8300ff0260982c8779c625c434c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03edb2caa27d3ff333434c399fc28d29ba2fd8300ff0260982c8779c625c434c", kill_on_drop: false }`
[INFO] [stdout] 03edb2caa27d3ff333434c399fc28d29ba2fd8300ff0260982c8779c625c434c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 064fb57c7406f4e5928d9a60f8e155bf32bf6ed1c8b0ada43f84919772fd26f4
[INFO] running `Command { std: "docker" "start" "-a" "064fb57c7406f4e5928d9a60f8e155bf32bf6ed1c8b0ada43f84919772fd26f4", kill_on_drop: false }`
[INFO] [stderr]     Checking autumn v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Matching` is never constructed
[INFO] [stdout]    --> src/combinators.rs:960:12
[INFO] [stdout]     |
[INFO] [stdout] 960 | pub struct Matching<P, F, E>(P, F, PhantomData<E>);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:217:56
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn parse<T, E, P: Parser<T, E>>(parser: P, source: &str) -> ParseResult<T, E> {
[INFO] [stdout]     |                                                        ^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn parse<T, E, P: Parser<T, E>>(parser: P, source: &str) -> ParseResult<'_, T, E> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |         pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 644 |         pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:238:36
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn success<T, E>(value: T, source: &str, location: Span) -> ParseResult<T, E> {
[INFO] [stdout]     |                                    ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn success<T, E>(value: T, source: &str, location: Span) -> ParseResult<'_, T, E> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:256:36
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn empty<T: Concat, E>(source: &str, location: Span) -> ParseResult<T, E> {
[INFO] [stdout]     |                                    ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn empty<T: Concat, E>(source: &str, location: Span) -> ParseResult<'_, T, E> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:312:29
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn character<E>(source: &str, mut location: Span) -> ParseResult<char, E> {
[INFO] [stdout]     |                             ^^^^                         ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn character<E>(source: &str, mut location: Span) -> ParseResult<'_, char, E> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:349:25
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub fn digit<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                         ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub fn digit<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:356:30
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub fn alphabetic<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                              ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub fn alphabetic<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:363:32
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub fn alphanumeric<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                                ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub fn alphanumeric<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:370:30
[INFO] [stdout]     |
[INFO] [stdout] 370 | pub fn whitespace<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                              ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 370 | pub fn whitespace<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:377:25
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub fn space<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                         ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub fn space<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `autumn` (lib) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Matching` is never constructed
[INFO] [stdout]    --> src/combinators.rs:960:12
[INFO] [stdout]     |
[INFO] [stdout] 960 | pub struct Matching<P, F, E>(P, F, PhantomData<E>);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:217:56
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn parse<T, E, P: Parser<T, E>>(parser: P, source: &str) -> ParseResult<T, E> {
[INFO] [stdout]     |                                                        ^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn parse<T, E, P: Parser<T, E>>(parser: P, source: &str) -> ParseResult<'_, T, E> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parse.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |         pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 644 |         pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:238:36
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn success<T, E>(value: T, source: &str, location: Span) -> ParseResult<T, E> {
[INFO] [stdout]     |                                    ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn success<T, E>(value: T, source: &str, location: Span) -> ParseResult<'_, T, E> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:256:36
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn empty<T: Concat, E>(source: &str, location: Span) -> ParseResult<T, E> {
[INFO] [stdout]     |                                    ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn empty<T: Concat, E>(source: &str, location: Span) -> ParseResult<'_, T, E> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:312:29
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn character<E>(source: &str, mut location: Span) -> ParseResult<char, E> {
[INFO] [stdout]     |                             ^^^^                         ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn character<E>(source: &str, mut location: Span) -> ParseResult<'_, char, E> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:349:25
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub fn digit<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                         ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub fn digit<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:356:30
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub fn alphabetic<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                              ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub fn alphabetic<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:363:32
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub fn alphanumeric<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                                ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub fn alphanumeric<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:370:30
[INFO] [stdout]     |
[INFO] [stdout] 370 | pub fn whitespace<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                              ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 370 | pub fn whitespace<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsers.rs:377:25
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub fn space<E>(source: &str, location: Span) -> ParseResult<Span, E> {
[INFO] [stdout]     |                         ^^^^                     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub fn space<E>(source: &str, location: Span) -> ParseResult<'_, Span, E> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn token_prefix(source: &str, location: Span) -> ParseResult<Span> {
[INFO] [stdout]     |                             ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn token_prefix(source: &str, location: Span) -> ParseResult<'_, Span> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:232:29
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn token_suffix(source: &str, location: Span) -> ParseResult<Span> {
[INFO] [stdout]     |                             ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn token_suffix(source: &str, location: Span) -> ParseResult<'_, Span> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:236:22
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn token(source: &str, location: Span) -> ParseResult<String> {
[INFO] [stdout]     |                      ^^^^                     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn token(source: &str, location: Span) -> ParseResult<'_, String> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn space(source: &str, location: Span) -> ParseResult<Span> {
[INFO] [stdout]     |                      ^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn space(source: &str, location: Span) -> ParseResult<'_, Span> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn sequence(source: &str, location: Span) -> ParseResult<Vec<String>> {
[INFO] [stdout]     |                         ^^^^                     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn sequence(source: &str, location: Span) -> ParseResult<'_, Vec<String>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:265:31
[INFO] [stdout]     |
[INFO] [stdout] 265 |         fn token_list(source: &str, location: Span) -> ParseResult<List<String>> {
[INFO] [stdout]     |                               ^^^^                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 265 |         fn token_list(source: &str, location: Span) -> ParseResult<'_, List<String>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `autumn` (lib test) due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "064fb57c7406f4e5928d9a60f8e155bf32bf6ed1c8b0ada43f84919772fd26f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064fb57c7406f4e5928d9a60f8e155bf32bf6ed1c8b0ada43f84919772fd26f4", kill_on_drop: false }`
[INFO] [stdout] 064fb57c7406f4e5928d9a60f8e155bf32bf6ed1c8b0ada43f84919772fd26f4