[INFO] fetching crate mintyml 0.1.19...
[INFO] fixing mintyml-0.1.19 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate mintyml 0.1.19 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mintyml 0.1.19
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mintyml 0.1.19
[INFO] tweaked toml for crates.io crate mintyml 0.1.19 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mintyml 0.1.19 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mintyml 0.1.19 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.12.0
[INFO] [stderr]   Downloaded gramma v0.2.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025
[INFO] running `Command { std: "docker" "start" "798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking gramma v0.2.23
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking mintyml v0.1.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `range` is never read
[INFO] [stdout]    --> src/document/mod.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct Document<'cfg> {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 253 |     pub range: LocationRange,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inline_space` is never used
[INFO] [stdout]    --> src/document/text.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl<'cfg> BuildContext<'_, 'cfg> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     pub fn inline_space(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `semantic` is never used
[INFO] [stdout]    --> src/error.rs:459:12
[INFO] [stdout]     |
[INFO] [stdout] 402 | impl Errors {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 459 |     pub fn semantic<E>(&mut self, errors: impl IntoIterator<Item = E>) -> InternalResult
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/inference/engine/mod.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | impl<'cfg> InferenceMethod<'cfg> {
[INFO] [stdout]     | -------------------------------- associated function in this implementation
[INFO] [stdout] 303 |     fn new<M>(value: impl IntoInferenceMethod<'cfg, M> + 'cfg) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChildInference` is never used
[INFO] [stdout]    --> src/inference/engine/mod.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub(crate) enum ChildInference<'cfg> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dir_prec` is never read
[INFO] [stdout]   --> src/inference/engine/when.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct PredImpl<Test, DirPrec, Data> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 24 |     matches: Test,
[INFO] [stdout] 25 |     dir_prec: DirPrec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `direction_precedence` is never used
[INFO] [stdout]   --> src/inference/engine/when.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<Test, DirPrec, Data> InferWhen<PredImpl<Test, DirPrec, Data>> {
[INFO] [stdout]    | ------------------------------------------------------------------ method in this implementation
[INFO] [stdout] 30 |     pub fn direction_precedence<F: Fn(&Data) -> DirectionPrecedence>(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element` is never used
[INFO] [stdout]   --> src/inference/engine/when.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn element() -> InferWhen<impl InferencePredicate> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inline` is never used
[INFO] [stdout]   --> src/inference/engine/when.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn inline() -> InferWhen<impl InferencePredicate> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `descendant_of` is never used
[INFO] [stdout]    --> src/inference/engine/when.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn descendant_of(pred: impl InferencePredicate) -> InferWhen<impl InferencePredicate> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JustBefore` is never constructed
[INFO] [stdout]    --> src/inference/engine/when.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         JustBefore,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `just_before` is never used
[INFO] [stdout]    --> src/inference/engine/when.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         just_before,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JustAfter` is never constructed
[INFO] [stdout]    --> src/inference/engine/when.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         JustAfter,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `just_after` is never used
[INFO] [stdout]    --> src/inference/engine/when.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         just_after,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/transform/apply_special_tags.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct TransformContext<'cx, 'cfg> {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 21 |     config: &'cx OutputConfig<'cfg>,
[INFO] [stdout] 22 |     errors: &'cx mut Errors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `src`, `split`, `pre`, and `jump_to_end` are never used
[INFO] [stdout]   --> src/utils.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'src> StrCursor<'src> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn src(&self) -> &'src str {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn split(&self) -> (&'src str, &'src str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn pre(&self) -> &'src str {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn jump_to_end(&mut self) -> &'src str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_with_next` is never used
[INFO] [stdout]    --> src/utils.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn map_with_next<'iter, T, U>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersperse_with` is never used
[INFO] [stdout]    --> src/utils.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn intersperse_with<T>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_extend` is never used
[INFO] [stdout]    --> src/utils.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn try_extend<T, E>(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn parse(src: &str) -> Result<Document, ParseError> {
[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] 53 | pub fn parse(src: &str) -> Result<Document, ParseError<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `range` is never read
[INFO] [stdout]    --> src/document/mod.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct Document<'cfg> {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 253 |     pub range: LocationRange,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inline_space` is never used
[INFO] [stdout]    --> src/document/text.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl<'cfg> BuildContext<'_, 'cfg> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 271 |     pub fn inline_space(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `semantic` is never used
[INFO] [stdout]    --> src/error.rs:459:12
[INFO] [stdout]     |
[INFO] [stdout] 402 | impl Errors {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 459 |     pub fn semantic<E>(&mut self, errors: impl IntoIterator<Item = E>) -> InternalResult
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/inference/engine/mod.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | impl<'cfg> InferenceMethod<'cfg> {
[INFO] [stdout]     | -------------------------------- associated function in this implementation
[INFO] [stdout] 303 |     fn new<M>(value: impl IntoInferenceMethod<'cfg, M> + 'cfg) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChildInference` is never used
[INFO] [stdout]    --> src/inference/engine/mod.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub(crate) enum ChildInference<'cfg> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dir_prec` is never read
[INFO] [stdout]   --> src/inference/engine/when.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct PredImpl<Test, DirPrec, Data> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 24 |     matches: Test,
[INFO] [stdout] 25 |     dir_prec: DirPrec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `direction_precedence` is never used
[INFO] [stdout]   --> src/inference/engine/when.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<Test, DirPrec, Data> InferWhen<PredImpl<Test, DirPrec, Data>> {
[INFO] [stdout]    | ------------------------------------------------------------------ method in this implementation
[INFO] [stdout] 30 |     pub fn direction_precedence<F: Fn(&Data) -> DirectionPrecedence>(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element` is never used
[INFO] [stdout]   --> src/inference/engine/when.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn element() -> InferWhen<impl InferencePredicate> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inline` is never used
[INFO] [stdout]   --> src/inference/engine/when.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn inline() -> InferWhen<impl InferencePredicate> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `descendant_of` is never used
[INFO] [stdout]    --> src/inference/engine/when.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn descendant_of(pred: impl InferencePredicate) -> InferWhen<impl InferencePredicate> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JustBefore` is never constructed
[INFO] [stdout]    --> src/inference/engine/when.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         JustBefore,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `just_before` is never used
[INFO] [stdout]    --> src/inference/engine/when.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         just_before,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JustAfter` is never constructed
[INFO] [stdout]    --> src/inference/engine/when.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         JustAfter,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `just_after` is never used
[INFO] [stdout]    --> src/inference/engine/when.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         just_after,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_relative` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/transform/apply_special_tags.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct TransformContext<'cx, 'cfg> {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 21 |     config: &'cx OutputConfig<'cfg>,
[INFO] [stdout] 22 |     errors: &'cx mut Errors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `src`, `split`, `pre`, and `jump_to_end` are never used
[INFO] [stdout]   --> src/utils.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'src> StrCursor<'src> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn src(&self) -> &'src str {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn split(&self) -> (&'src str, &'src str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn pre(&self) -> &'src str {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn jump_to_end(&mut self) -> &'src str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_with_next` is never used
[INFO] [stdout]    --> src/utils.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn map_with_next<'iter, T, U>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersperse_with` is never used
[INFO] [stdout]    --> src/utils.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn intersperse_with<T>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_extend` is never used
[INFO] [stdout]    --> src/utils.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn try_extend<T, E>(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn parse(src: &str) -> Result<Document, ParseError> {
[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] 53 | pub fn parse(src: &str) -> Result<Document, ParseError<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  8 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 11 | ) -> Result<String, (Option<String>, ConvertError)> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ the same lifetime is hidden 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] 11 | ) -> Result<String, (Option<String>, ConvertError<'_>)> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/utils.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     src: &str,
[INFO] [stdout]    |          ^^^^ the lifetime is elided here
[INFO] [stdout] 42 |     cfg: impl Into<Option<OutputConfig<'static>>>,
[INFO] [stdout] 43 | ) -> (Option<String>, ConvertError) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ the same lifetime is hidden 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] 43 | ) -> (Option<String>, ConvertError<'_>) {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025", kill_on_drop: false }`
[INFO] [stdout] 798d0f87f8caca821baa58d5c2bd40d5f4af3408f09ad21052c1a2c94035d025
