[INFO] fetching crate mintyml 0.1.19...
[INFO] fixing mintyml-0.1.19 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate mintyml 0.1.19 into /workspace/builds/worker-6-tc2/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-tc2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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] f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b
[INFO] running `Command { std: "docker" "start" "f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b", 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" "f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b", 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" "f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking smallvec v1.13.2
[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] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/error.rs (2 fixes)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/error.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |         while let Some(item) = iter.next() {
[INFO] [stdout]     |                        ----    ^^^^^^^^^^^
[INFO] [stdout]     |                        |       |
[INFO] [stdout]     |                        |       this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                        |       up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                        `item` calls a custom destructor
[INFO] [stdout]     |                        `item` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 237 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/inference/engine/when.rs (2 fixes)
[INFO] [stdout] warning: `impl Iterator<Item = U>` will capture more lifetimes than possibly intended in edition 2024
[INFO] [stdout]    --> src/utils.rs:154:6
[INFO] [stdout]     |
[INFO] [stdout] 154 | ) -> impl Iterator<Item = U> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds
[INFO] [stdout]    --> src/utils.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn map_with_next<'iter, T, U>(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/utils.rs:152:11
[INFO] [stdout]     |
[INFO] [stdout] 152 |     iter: impl IntoIterator<Item = T> + 'iter,
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 153 |     mut f: impl FnMut(T, Option<&mut T>) -> U + 'iter,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/rpit-lifetime-capture.html>
[INFO] [stdout]     = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 151 ~ fn map_with_next<'iter, T, U, V: IntoIterator<Item = T> + 'iter, W: FnMut(T, Option<&mut T>) -> U + 'iter>(
[INFO] [stdout] 152 ~     iter: V,
[INFO] [stdout] 153 ~     mut f: W,
[INFO] [stdout] 154 ~ ) -> impl Iterator<Item = U> + use<T, U, V, W> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/transform/mod.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/error.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |         while let Some(item) = iter.next() {
[INFO] [stdout]     |                        ----    ^^^^^^^^^^^
[INFO] [stdout]     |                        |       |
[INFO] [stdout]     |                        |       this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                        |       up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                        `item` calls a custom destructor
[INFO] [stdout]     |                        `item` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 237 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `impl Iterator<Item = U>` will capture more lifetimes than possibly intended in edition 2024
[INFO] [stdout]    --> src/utils.rs:154:6
[INFO] [stdout]     |
[INFO] [stdout] 154 | ) -> impl Iterator<Item = U> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: specifically, this lifetime is in scope but not mentioned in the type's bounds
[INFO] [stdout]    --> src/utils.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn map_with_next<'iter, T, U>(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024
[INFO] [stdout] note: you could use a `use<...>` bound to explicitly specify captures, but argument-position `impl Trait`s are not nameable
[INFO] [stdout]    --> src/utils.rs:152:11
[INFO] [stdout]     |
[INFO] [stdout] 152 |     iter: impl IntoIterator<Item = T> + 'iter,
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 153 |     mut f: impl FnMut(T, Option<&mut T>) -> U + 'iter,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/rpit-lifetime-capture.html>
[INFO] [stdout]     = note: `--force-warn impl-trait-overcaptures` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: use the precise capturing `use<...>` syntax to make the captures explicit
[INFO] [stdout]     |
[INFO] [stdout] 151 ~ fn map_with_next<'iter, T, U, V: IntoIterator<Item = T> + 'iter, W: FnMut(T, Option<&mut T>) -> U + 'iter>(
[INFO] [stdout] 152 ~     iter: V,
[INFO] [stdout] 153 ~     mut f: W,
[INFO] [stdout] 154 ~ ) -> impl Iterator<Item = U> + use<T, U, V, W> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/comment.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed tests/utils.rs (2 fixes)
[INFO] [stderr]    Migrating tests/utils.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/error.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/text.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/multiline.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/raw.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/infer.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/escape.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/convert.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] [stderr] crater-edition-check: mintyml v0.1.19 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking mintyml v0.1.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0310]: the parameter type `impl IntoIterator<Item = T>` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |         .into_iter()
[INFO] [stdout] 181 | |     })
[INFO] [stdout]     | |      ^
[INFO] [stdout]     | |      |
[INFO] [stdout]     | |______the parameter type `impl IntoIterator<Item = T>` must be valid for the static lifetime...
[INFO] [stdout]     |        ...so that the type `impl IntoIterator<Item = T>` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 170 |     iter: impl IntoIterator<Item = T> + 'static,
[INFO] [stdout]     |                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |         .into_iter()
[INFO] [stdout] 181 | |     })
[INFO] [stdout]     | |      ^
[INFO] [stdout]     | |      |
[INFO] [stdout]     | |______the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` must be valid for the static lifetime...
[INFO] [stdout]     |        ...so that the type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 171 |     mut f: impl for<'t> FnMut(&'t mut T, &'t mut T) -> T + 'static,
[INFO] [stdout]     |                                                          +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl IntoIterator<Item = T>` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |     })
[INFO] [stdout] 182 | |     .flatten()
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________the parameter type `impl IntoIterator<Item = T>` must be valid for the static lifetime...
[INFO] [stdout]     |                ...so that the type `impl IntoIterator<Item = T>` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 170 |     iter: impl IntoIterator<Item = T> + 'static,
[INFO] [stdout]     |                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |     })
[INFO] [stdout] 182 | |     .flatten()
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` must be valid for the static lifetime...
[INFO] [stdout]     |                ...so that the type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 171 |     mut f: impl for<'t> FnMut(&'t mut T, &'t mut T) -> T + 'static,
[INFO] [stdout]     |                                                          +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl IntoIterator<Item = T>` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |         .into_iter()
[INFO] [stdout] 181 | |     })
[INFO] [stdout]     | |      ^
[INFO] [stdout]     | |      |
[INFO] [stdout]     | |______the parameter type `impl IntoIterator<Item = T>` must be valid for the static lifetime...
[INFO] [stdout]     |        ...so that the type `impl IntoIterator<Item = T>` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 170 |     iter: impl IntoIterator<Item = T> + 'static,
[INFO] [stdout]     |                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |         .into_iter()
[INFO] [stdout] 181 | |     })
[INFO] [stdout]     | |      ^
[INFO] [stdout]     | |      |
[INFO] [stdout]     | |______the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` must be valid for the static lifetime...
[INFO] [stdout]     |        ...so that the type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 171 |     mut f: impl for<'t> FnMut(&'t mut T, &'t mut T) -> T + 'static,
[INFO] [stdout]     |                                                          +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl IntoIterator<Item = T>` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |     })
[INFO] [stdout] 182 | |     .flatten()
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________the parameter type `impl IntoIterator<Item = T>` must be valid for the static lifetime...
[INFO] [stdout]     |                ...so that the type `impl IntoIterator<Item = T>` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 170 |     iter: impl IntoIterator<Item = T> + 'static,
[INFO] [stdout]     |                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0310]: the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` may not live long enough
[INFO] [stdout]    --> src/utils.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     map_with_next(iter, move |mut current, next| {
[INFO] [stdout] 174 | |         if let Some(next) = next {
[INFO] [stdout] 175 | |             let item = f(&mut current, next);
[INFO] [stdout] 176 | |             Either::Left([current, item])
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |     })
[INFO] [stdout] 182 | |     .flatten()
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |______________the parameter type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` must be valid for the static lifetime...
[INFO] [stdout]     |                ...so that the type `impl for<'t> FnMut(&'t mut T, &'t mut T) -> T` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 171 |     mut f: impl for<'t> FnMut(&'t mut T, &'t mut T) -> T + 'static,
[INFO] [stdout]     |                                                          +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mintyml` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mintyml` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b", kill_on_drop: false }`
[INFO] [stdout] f500ea4c152696b3f56b7676bbe866d853761d19a190c7217f86e37df378bf8b
