[INFO] fetching crate icu_pattern 0.4.0...
[INFO] testing icu_pattern-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate icu_pattern 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate icu_pattern 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate icu_pattern 0.4.0
[INFO] tweaked toml for crates.io crate icu_pattern 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate icu_pattern 0.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icu_pattern 0.4.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e71a8ac35c4200182d4bcefd2c5c010e84fc5a389488d917b130df1312e63372
[INFO] running `Command { std: "docker" "start" "-a" "e71a8ac35c4200182d4bcefd2c5c010e84fc5a389488d917b130df1312e63372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e71a8ac35c4200182d4bcefd2c5c010e84fc5a389488d917b130df1312e63372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71a8ac35c4200182d4bcefd2c5c010e84fc5a389488d917b130df1312e63372", kill_on_drop: false }`
[INFO] [stdout] e71a8ac35c4200182d4bcefd2c5c010e84fc5a389488d917b130df1312e63372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2080153f59a2a173289df80b186b052fcf87cc2f04f744475a607a4e88e73ff7
[INFO] running `Command { std: "docker" "start" "-a" "2080153f59a2a173289df80b186b052fcf87cc2f04f744475a607a4e88e73ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_pattern v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/frontend/mod.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn iter(&self) -> impl Iterator<Item = PatternItem<B::PlaceholderKey<'_>>> + '_ {
[INFO] [stdout]     |                 ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                 |                              |                             |
[INFO] [stdout]     |                 |                              |                             the same lifetime is elided here
[INFO] [stdout]     |                 |                              the same lifetime is hidden here
[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] 241 |     pub fn iter(&self) -> impl Iterator<Item = PatternItem<'_, B::PlaceholderKey<'_>>> + '_ {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "2080153f59a2a173289df80b186b052fcf87cc2f04f744475a607a4e88e73ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2080153f59a2a173289df80b186b052fcf87cc2f04f744475a607a4e88e73ff7", kill_on_drop: false }`
[INFO] [stdout] 2080153f59a2a173289df80b186b052fcf87cc2f04f744475a607a4e88e73ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c60da1f3d2ce03e7243b7c8534629e45c619ef8ac6623e7155f7c382b041eea
[INFO] running `Command { std: "docker" "start" "-a" "2c60da1f3d2ce03e7243b7c8534629e45c619ef8ac6623e7155f7c382b041eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling databake-derive v0.2.0
[INFO] [stderr]    Compiling databake v0.2.0
[INFO] [stderr]    Compiling icu_pattern v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/frontend/mod.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn iter(&self) -> impl Iterator<Item = PatternItem<B::PlaceholderKey<'_>>> + '_ {
[INFO] [stdout]     |                 ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                 |                              |                             |
[INFO] [stdout]     |                 |                              |                             the same lifetime is elided here
[INFO] [stdout]     |                 |                              the same lifetime is hidden here
[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] 241 |     pub fn iter(&self) -> impl Iterator<Item = PatternItem<'_, B::PlaceholderKey<'_>>> + '_ {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerovec v0.11.1
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]   --> tests/derive_test.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 |     #[serde(
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `icu_pattern::Pattern<SinglePlaceholder>: Clone` is not satisfied
[INFO] [stdout]   --> tests/derive_test.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     data: Cow<'data, Pattern<SinglePlaceholder>>,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `icu_pattern::Pattern<SinglePlaceholder>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `icu_pattern::Pattern<SinglePlaceholder>` to implement `ToOwned`
[INFO] [stdout] note: required by a bound in `Cow`
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/borrow.rs:181:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]   --> tests/derive_test.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     data: Cow<'data, Pattern<SinglePlaceholder>>,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `icu_pattern::Pattern<SinglePlaceholder>`, the trait `Sized` is not implemented for `str`
[INFO] [stdout] note: required because it appears within the type `icu_pattern::Pattern<SinglePlaceholder>`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/frontend/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    = note: required for `icu_pattern::Pattern<SinglePlaceholder>` to implement `ToOwned`
[INFO] [stdout] note: required by a bound in `Cow`
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/borrow.rs:181:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `icu_pattern::Pattern<SinglePlaceholder>: Clone` is not satisfied
[INFO] [stdout]   --> tests/derive_test.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     data: Cow<'data, Pattern<SinglePlaceholder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `icu_pattern::Pattern<SinglePlaceholder>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is implemented for `Cow<'_, B>`
[INFO] [stdout]    = note: required for `icu_pattern::Pattern<SinglePlaceholder>` to implement `ToOwned`
[INFO] [stdout]    = note: required for `Cow<'data, icu_pattern::Pattern<SinglePlaceholder>>` to implement `Debug`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `&Cow<'data, icu_pattern::Pattern<SinglePlaceholder>>` to implement `Debug`
[INFO] [stdout]    = note: required for the cast from `&&Cow<'data, icu_pattern::Pattern<SinglePlaceholder>>` to `&dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]   --> tests/derive_test.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     data: Cow<'data, Pattern<SinglePlaceholder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `icu_pattern::Pattern<SinglePlaceholder>`, the trait `Sized` is not implemented for `str`
[INFO] [stdout]    = help: the trait `Debug` is implemented for `Cow<'_, B>`
[INFO] [stdout] note: required because it appears within the type `icu_pattern::Pattern<SinglePlaceholder>`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/frontend/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    = note: required for `icu_pattern::Pattern<SinglePlaceholder>` to implement `ToOwned`
[INFO] [stdout]    = note: required for `Cow<'data, icu_pattern::Pattern<SinglePlaceholder>>` to implement `Debug`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `&Cow<'data, icu_pattern::Pattern<SinglePlaceholder>>` to implement `Debug`
[INFO] [stdout]    = note: required for the cast from `&&Cow<'data, icu_pattern::Pattern<SinglePlaceholder>>` to `&dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Cow<'_, icu_pattern::Pattern<SinglePlaceholder>>`
[INFO] [stdout]   --> tests/derive_test.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     data: Cow<'data, Pattern<SinglePlaceholder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the foreign item type `icu_pattern::Pattern<SinglePlaceholder>` doesn't implement `Clone`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/frontend/mod.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not implement `Clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `icu_pattern` (test "derive_test") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_str` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/double.rs:746:43
[INFO] [stdout]     |
[INFO] [stdout] 746 |                 DoublePlaceholderPattern::try_from_str(pattern, Default::default()).unwrap();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<double::DoublePlaceholder>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/frontend/mod.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_str` not found for this struct
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/convert/mod.rs:702:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `default` exists for struct `Box<frontend::Pattern<SinglePlaceholder>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/frontend/mod.rs:105:53
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- doesn't satisfy `frontend::Pattern<SinglePlaceholder>: Default` or `frontend::Pattern<SinglePlaceholder>: Sized`
[INFO] [stdout] ...
[INFO] [stdout] 105 |         Box::<Pattern::<crate::SinglePlaceholder>>::default(),
[INFO] [stdout]     |                                                     ^^^^^^^ function or associated item cannot be called on `Box<frontend::Pattern<SinglePlaceholder>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Box<frontend::Pattern<SinglePlaceholder>>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::from_raw
[INFO] [stdout]       Box::<T>::from_non_null
[INFO] [stdout]       Box::<T, A>::from_raw_in
[INFO] [stdout]       Box::<T, A>::from_non_null_in
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1044:5
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `frontend::Pattern<SinglePlaceholder>: Sized`
[INFO] [stdout]             which is required by `Box<frontend::Pattern<SinglePlaceholder>>: Default`
[INFO] [stdout]             `frontend::Pattern<SinglePlaceholder>: Default`
[INFO] [stdout]             which is required by `Box<frontend::Pattern<SinglePlaceholder>>: Default`
[INFO] [stdout] note: the trait `Sized` must be implemented
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/marker.rs:160:1
[INFO] [stdout] help: consider annotating `frontend::Pattern<SinglePlaceholder>` with `#[derive(Default)]`
[INFO] [stdout]     |
[INFO] [stdout]  65 + #[derive(Default)]
[INFO] [stdout]  66 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_items` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/frontend/mod.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_items` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |         Pattern::try_from_items(core::iter::empty()).unwrap()
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<_>`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 106 -         Pattern::try_from_items(core::iter::empty()).unwrap()
[INFO] [stdout] 106 +         Pattern::try_from(core::iter::empty()).unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `default` exists for struct `Box<frontend::Pattern<double::DoublePlaceholder>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/frontend/mod.rs:109:53
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- doesn't satisfy `_: Default` or `_: Sized`
[INFO] [stdout] ...
[INFO] [stdout] 109 |         Box::<Pattern::<crate::DoublePlaceholder>>::default(),
[INFO] [stdout]     |                                                     ^^^^^^^ function or associated item cannot be called on `Box<frontend::Pattern<double::DoublePlaceholder>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Box<frontend::Pattern<double::DoublePlaceholder>>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::from_raw
[INFO] [stdout]       Box::<T>::from_non_null
[INFO] [stdout]       Box::<T, A>::from_raw_in
[INFO] [stdout]       Box::<T, A>::from_non_null_in
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1044:5
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `frontend::Pattern<double::DoublePlaceholder>: Sized`
[INFO] [stdout]             which is required by `Box<frontend::Pattern<double::DoublePlaceholder>>: Default`
[INFO] [stdout]             `frontend::Pattern<double::DoublePlaceholder>: Default`
[INFO] [stdout]             which is required by `Box<frontend::Pattern<double::DoublePlaceholder>>: Default`
[INFO] [stdout] note: the trait `Sized` must be implemented
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/marker.rs:160:1
[INFO] [stdout] help: consider annotating `frontend::Pattern<double::DoublePlaceholder>` with `#[derive(Default)]`
[INFO] [stdout]     |
[INFO] [stdout]  65 + #[derive(Default)]
[INFO] [stdout]  66 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_items` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/frontend/mod.rs:110:18
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_items` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 110 |         Pattern::try_from_items(core::iter::empty()).unwrap()
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<_>`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 110 -         Pattern::try_from_items(core::iter::empty()).unwrap()
[INFO] [stdout] 110 +         Pattern::try_from(core::iter::empty()).unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `default` exists for struct `Box<frontend::Pattern<MultiNamedPlaceholder>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/frontend/mod.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- doesn't satisfy `frontend::Pattern<MultiNamedPlaceholder>: Default` or `frontend::Pattern<MultiNamedPlaceholder>: Sized`
[INFO] [stdout] ...
[INFO] [stdout] 113 |         Box::<Pattern::<crate::MultiNamedPlaceholder>>::default(),
[INFO] [stdout]     |                                                         ^^^^^^^ function or associated item cannot be called on `Box<frontend::Pattern<MultiNamedPlaceholder>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Box<frontend::Pattern<MultiNamedPlaceholder>>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::from_raw
[INFO] [stdout]       Box::<T>::from_non_null
[INFO] [stdout]       Box::<T, A>::from_raw_in
[INFO] [stdout]       Box::<T, A>::from_non_null_in
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1044:5
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `frontend::Pattern<MultiNamedPlaceholder>: Sized`
[INFO] [stdout]             which is required by `Box<frontend::Pattern<MultiNamedPlaceholder>>: Default`
[INFO] [stdout]             `frontend::Pattern<MultiNamedPlaceholder>: Default`
[INFO] [stdout]             which is required by `Box<frontend::Pattern<MultiNamedPlaceholder>>: Default`
[INFO] [stdout] note: the trait `Sized` must be implemented
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/marker.rs:160:1
[INFO] [stdout] help: consider annotating `frontend::Pattern<MultiNamedPlaceholder>` with `#[derive(Default)]`
[INFO] [stdout]     |
[INFO] [stdout]  65 + #[derive(Default)]
[INFO] [stdout]  66 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_items` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/frontend/mod.rs:114:18
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_items` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 114 |         Pattern::try_from_items(core::iter::empty()).unwrap()
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<_>`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 114 -         Pattern::try_from_items(core::iter::empty()).unwrap()
[INFO] [stdout] 114 +         Pattern::try_from(core::iter::empty()).unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_str` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/frontend/mod.rs:379:18
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 379 |         Pattern::try_from_str("{0} days", Default::default()).unwrap();
[INFO] [stdout]     |                  ^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<_>`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/convert/mod.rs:702:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_str` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/frontend/mod.rs:380:43
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_str` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 380 |     let _ = Pattern::<SinglePlaceholder>::try_from_str("{0} days", Default::default()).unwrap();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<SinglePlaceholder>`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/convert/mod.rs:702:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `try_from_str` found for struct `frontend::Pattern<B>` in the current scope
[INFO] [stdout]    --> src/multi_named.rs:499:47
[INFO] [stdout]     |
[INFO] [stdout] 499 |                 MultiNamedPlaceholderPattern::try_from_str(&string, Default::default()).is_err(),
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ function or associated item not found in `frontend::Pattern<MultiNamedPlaceholder>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/frontend/mod.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout]  65 | pub struct Pattern<B: PatternBackend> {
[INFO] [stdout]     | ------------------------------------- function or associated item `try_from_str` not found for this struct
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `try_from` with a similar name
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/convert/mod.rs:702:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `icu_pattern` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c60da1f3d2ce03e7243b7c8534629e45c619ef8ac6623e7155f7c382b041eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c60da1f3d2ce03e7243b7c8534629e45c619ef8ac6623e7155f7c382b041eea", kill_on_drop: false }`
[INFO] [stdout] 2c60da1f3d2ce03e7243b7c8534629e45c619ef8ac6623e7155f7c382b041eea
