[INFO] fetching crate lexerus 0.1.9...
[INFO] testing lexerus-0.1.9 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lexerus 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate lexerus 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lexerus 0.1.9
[INFO] tweaked toml for crates.io crate lexerus 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lexerus 0.1.9 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lexerus 0.1.9 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 692c0653a5bbdcf119c230ef3d942353d3e5a1ffd9eb33c23aaa41b64aaacae5
[INFO] running `Command { std: "docker" "start" "-a" "692c0653a5bbdcf119c230ef3d942353d3e5a1ffd9eb33c23aaa41b64aaacae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "692c0653a5bbdcf119c230ef3d942353d3e5a1ffd9eb33c23aaa41b64aaacae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692c0653a5bbdcf119c230ef3d942353d3e5a1ffd9eb33c23aaa41b64aaacae5", kill_on_drop: false }`
[INFO] [stdout] 692c0653a5bbdcf119c230ef3d942353d3e5a1ffd9eb33c23aaa41b64aaacae5
[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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5ea5c6407eb71ec7d38eaf22778d6ef780035877a094acc52ada7385d1c692
[INFO] running `Command { std: "docker" "start" "-a" "bf5ea5c6407eb71ec7d38eaf22778d6ef780035877a094acc52ada7385d1c692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling lexerus_derive v0.1.0
[INFO] [stderr]    Compiling lexerus v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `box_into_inner` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_try_from_fn, box_into_inner)]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "bf5ea5c6407eb71ec7d38eaf22778d6ef780035877a094acc52ada7385d1c692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5ea5c6407eb71ec7d38eaf22778d6ef780035877a094acc52ada7385d1c692", kill_on_drop: false }`
[INFO] [stdout] bf5ea5c6407eb71ec7d38eaf22778d6ef780035877a094acc52ada7385d1c692
[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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46ca4fc1f27990e9878cd68b489e48ba63ee05384e339ae607bf6d575a9597a
[INFO] running `Command { std: "docker" "start" "-a" "a46ca4fc1f27990e9878cd68b489e48ba63ee05384e339ae607bf6d575a9597a", kill_on_drop: false }`
[INFO] [stdout] warning: feature `box_into_inner` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_try_from_fn, box_into_inner)]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lexerus v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find type `Not` in this scope
[INFO] [stdout]  --> tests/helpers_not.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TestBuild::<Not<Quote>>::new(
[INFO] [stdout]   |                 ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::ops::Not;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupBookEnd` in this scope
[INFO] [stdout]  --> tests/helpers_group_book_end.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TestBuild::<GroupBookEnd<Quote, StringChars, Quote, 0>>::new(
[INFO] [stdout]   |                 ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupBookEnd` in this scope
[INFO] [stdout]   --> tests/helpers_group_book_end.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     TestBuild::<GroupBookEnd<Quote, StringChars, Quote, 0>>::new(
[INFO] [stdout]    |                 ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupUntil` in this scope
[INFO] [stdout]  --> tests/helpers_group_until.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TestBuild::<GroupUntil<Char, Quote, 0>>::new(
[INFO] [stdout]   |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupUntil` in this scope
[INFO] [stdout]   --> tests/helpers_group_until.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     TestBuild::<GroupUntil<Char, Quote, 0>>::new(
[INFO] [stdout]    |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupUntil` in this scope
[INFO] [stdout]   --> tests/helpers_group_until.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     TestBuild::<GroupUntil<StringChars, Quote, 0>>::new(
[INFO] [stdout]    |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupUntil` in this scope
[INFO] [stdout]   --> tests/helpers_group_until.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     TestBuild::<GroupUntil<StringChars, Quote, 0>>::new(
[INFO] [stdout]    |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupUntil` in this scope
[INFO] [stdout]   --> tests/helpers_group_until.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |     TestBuild::<GroupUntil<StringChars, Quote, 5>>::new(
[INFO] [stdout]    |                 ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `GroupUntil` in this scope
[INFO] [stdout]   --> tests/helpers_group_until.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 <GroupUntil<StringChars, Quote, 5>>::NAME
[INFO] [stdout]    |                  ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexerus` (test "helpers_not") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexerus` (test "helpers_group_book_end") due to 2 previous errors
[INFO] [stdout] error[E0425]: cannot find type `Group` in this scope
[INFO] [stdout]   --> tests/impl_phantom.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     TestBuild::<PhantomData<Group<Space, 0>>>::new(
[INFO] [stdout]    |                             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: only one lifetime is permitted as the tokens are constructed from a single source tree
[INFO] [stdout]    --> tests/derive.rs:163:16
[INFO] [stdout]     |
[INFO] [stdout] 163 |     struct Wrap<T>(T);
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexerus` (test "helpers_group_until") due to 6 previous errors
[INFO] [stdout] error: cannot find attribute `before` in this scope
[INFO] [stdout]   --> tests/derive.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[before(Quote<'code>)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `before` in this scope
[INFO] [stdout]   --> tests/derive.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 |     #[before(Quote<'code>)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `after` in this scope
[INFO] [stdout]   --> tests/derive.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |     #[after(Quote<'code>)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `after` in this scope
[INFO] [stdout]    --> tests/derive.rs:103:7
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[after(Quote<'code>)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `before` in this scope
[INFO] [stdout]    --> tests/derive.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #[before(Quote<'code>, Ra<'code>)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `after` in this scope
[INFO] [stdout]    --> tests/derive.rs:121:7
[INFO] [stdout]     |
[INFO] [stdout] 121 |     #[after(Quote<'code>)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `before` in this scope
[INFO] [stdout]    --> tests/derive.rs:141:7
[INFO] [stdout]     |
[INFO] [stdout] 141 |     #[before(Quote<'code>, Ra<'code>)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `before` in this scope
[INFO] [stdout]    --> tests/derive.rs:142:7
[INFO] [stdout]     |
[INFO] [stdout] 142 |     #[before(Ra<'code>)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Group` in this scope
[INFO] [stdout]   --> tests/helpers_group.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     TestBuild::<Group<Char, 0>>::new(
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Group` in this scope
[INFO] [stdout]   --> tests/helpers_group.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |     TestBuild::<Group<Alpha, 0>>::new(
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Group` in this scope
[INFO] [stdout]   --> tests/helpers_group.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     TestBuild::<Group<Alpha, 3>>::new(
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Group` in this scope
[INFO] [stdout]   --> tests/helpers_group.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TestBuild::<Group<Alpha, 4>>::new(
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `after` in this scope
[INFO] [stdout]    --> tests/derive.rs:143:7
[INFO] [stdout]     |
[INFO] [stdout] 143 |     #[after(Quote<'code>)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Wrap<no_life::Ra<'_>>: lexerus::Lexer<'_>` is not satisfied
[INFO] [stdout]    --> tests/derive.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     lexerus::TestBuild::<Wrap<Ra>>::new(
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `lexerus::Lexer<'_>` is not implemented for `Wrap<no_life::Ra<'_>>`
[INFO] [stdout]    --> tests/derive.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     struct Wrap<T>(T);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     = help: the following other types implement trait `lexerus::Lexer<'code>`:
[INFO] [stdout]               Arc<First>
[INFO] [stdout]               Box<First>
[INFO] [stdout]               IgnoredTrex<'code>
[INFO] [stdout]               Option<First>
[INFO] [stdout]               PhantomData<Type>
[INFO] [stdout]               Quote<'code>
[INFO] [stdout]               Rc<First>
[INFO] [stdout]               TaggedTrex<'code>
[INFO] [stdout]             and 12 others
[INFO] [stdout] note: required by a bound in `TestBuild`
[INFO] [stdout]    --> src/tests.rs:9:14
[INFO] [stdout]     |
[INFO] [stdout]   7 | pub struct TestBuild<'code, Capture>
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout]   8 | where
[INFO] [stdout]   9 |     Capture: Lexer<'code>,
[INFO] [stdout]     |              ^^^^^^^^^^^^ required by this bound in `TestBuild`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `new` exists for struct `TestBuild<'_, Wrap<no_life::Ra<'_>>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/derive.rs:165:37
[INFO] [stdout]     |
[INFO] [stdout] 163 |     struct Wrap<T>(T);
[INFO] [stdout]     |     -------------- doesn't satisfy `Wrap<no_life::Ra<'_>>: lexerus::Lexer<'_>`
[INFO] [stdout] 164 |
[INFO] [stdout] 165 |     lexerus::TestBuild::<Wrap<Ra>>::new(
[INFO] [stdout]     |                                     ^^^ function or associated item cannot be called on `TestBuild<'_, Wrap<no_life::Ra<'_>>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Wrap<no_life::Ra<'_>>: lexerus::Lexer<'_>`
[INFO] [stdout] note: the trait `lexerus::Lexer` must be implemented
[INFO] [stdout]    --> src/lexer.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout]   5 | pub trait Lexer<'code>
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexerus` (test "impl_phantom") due to 1 previous error
[INFO] [stdout] warning: unused variable: `captured`
[INFO] [stdout]   --> tests/derive.rs:92:37
[INFO] [stdout]    |
[INFO] [stdout] 92 |     .pass(Some(r#"rawr"#))(|buffer, captured| {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `captured`
[INFO] [stdout]    --> tests/derive.rs:127:35
[INFO] [stdout]     |
[INFO] [stdout] 127 |     .pass(Some(r#"wr"#))(|buffer, captured| {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `captured`
[INFO] [stdout]    --> tests/derive.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |     .pass(Some(r#"wr"#))(|buffer, captured| {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_captured`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexerus` (test "helpers_group") due to 4 previous errors
[INFO] [stderr] error: could not compile `lexerus` (test "derive") due to 12 previous errors; 3 warnings emitted
[INFO] [stdout] warning: feature `box_into_inner` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_try_from_fn, box_into_inner)]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a46ca4fc1f27990e9878cd68b489e48ba63ee05384e339ae607bf6d575a9597a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46ca4fc1f27990e9878cd68b489e48ba63ee05384e339ae607bf6d575a9597a", kill_on_drop: false }`
[INFO] [stdout] a46ca4fc1f27990e9878cd68b489e48ba63ee05384e339ae607bf6d575a9597a