[INFO] fetching crate error-fatality 0.1.2...
[INFO] testing error-fatality-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate error-fatality 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate error-fatality 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate error-fatality 0.1.2
[INFO] tweaked toml for crates.io crate error-fatality 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-fatality 0.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error-fatality 0.1.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded file-guard v0.2.0
[INFO] [stderr]   Downloaded error-fatality-proc-macro v0.1.2
[INFO] [stderr]   Downloaded trybuild v1.0.116
[INFO] [stderr]   Downloaded expander v2.2.1
[INFO] [stderr]   Downloaded toml_edit v0.25.11+spec-1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf
[INFO] running `Command { std: "docker" "start" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", 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" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]    Compiling indexmap v2.14.0
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[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling error-fatality-proc-macro v0.1.2
[INFO] [stderr]    Compiling error-fatality v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v1.0.2
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[INFO] [stderr]    Compiling error-fatality v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 16.47s
[INFO] running `Command { std: "docker" "inspect" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
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[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/release/deps/error_fatality-736b08838dcce984)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::all_in_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/release/deps/basic-2eb100c8ac067ff3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_i_call_foo_too_errors ... ok
[INFO] [stderr]      Running tests/nested-split-forward.rs (/opt/rustwide/target/release/deps/nested_split_forward-54c3209bfd388a79)
[INFO] [stdout] test test_i_call_foo_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stderr]      Running tests/ui.rs (/opt/rustwide/target/release/deps/ui-d7fbcb3816737b64)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling typenum v1.20.0
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[INFO] [stderr]    Compiling crypto-common v0.1.7
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[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling error-fatality-proc-macro v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling error-fatality v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling error-fatality-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/error-fatality)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.14s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/ok-01-basic.rs ... ok
[INFO] [stderr] test tests/ui/ok-02-split.rs ... ok
[INFO] [stderr] test tests/ui/ok-03-split-attrs.rs ... ok
[INFO] [stderr] test tests/ui/ok-04-nested-split-and-defer-named.rs ... ok
[INFO] [stderr] test tests/ui/ok-05-nested-split-and-defer-unnamed.rs ... ok
[INFO] [stderr] test tests/ui/ok-06-nested-split-and-defer-named2.rs ... ok
[INFO] [stderr] test tests/ui/ok-07-nested-split-and-defer-unnamed2.rs ... ok
[INFO] [stderr] test tests/ui/ok-08-double-down.rs ... ok
[INFO] [stderr] test tests/ui/ok-09-defer-named.rs ... ok
[INFO] [stderr] test tests/ui/ok-10-defer-unnamed.rs ... ok
[INFO] [stdout] test ui_compile_pass ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking error-fatality v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking error-fatality-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/error-fatality)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/err-01.rs ... ok
[INFO] [stderr] test tests/ui/err-02.rs ... ok
[INFO] [stderr] test tests/ui/err-03.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0277]: the trait bound `Fatal: Fatality` is not satisfied
[INFO] [stderr]   --> tests/ui/err-03.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                        ^^^^^^^^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `Fatality` is not implemented for `Fatal`
[INFO] [stderr]   --> tests/ui/err-03.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Fatal;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] help: the trait `Fatality` is implemented for `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: this error originates in the derive macro `Fatality` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Fatal: Fatality` is not satisfied
[INFO] [stderr]   --> tests/ui/err-03.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                                  ^^^^^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `Fatality` is not implemented for `Fatal`
[INFO] [stderr]   --> tests/ui/err-03.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Fatal;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] help: the trait `Fatality` is implemented for `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: this error originates in the derive macro `Split` which comes from the expansion of the derive macro `Fatality` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `?` couldn't convert the error to `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn iffy() -> Result<(), Kaboom> {
[INFO] [stderr]    |              ------------------ expected `Kaboom` because of this
[INFO] [stderr] 47 |     Err(Fatal)?
[INFO] [stderr]    |     ----------^ the trait `From<Fatal>` is not implemented for `Kaboom`
[INFO] [stderr]    |     |
[INFO] [stderr]    |     this can't be annotated with `?` because it has type `Result<_, Fatal>`
[INFO] [stderr]    |
[INFO] [stderr] note: `Kaboom` needs to implement `From<Fatal>`
[INFO] [stderr]   --> tests/ui/err-03.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum Kaboom {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stderr] help: the following other types implement trait `From<T>`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  `Kaboom` implements `From<FatalKaboom>`
[INFO] [stderr]    |                                  `Kaboom` implements `From<JfyiKaboom>`
[INFO] [stderr]    = note: this error originates in the derive macro `Split` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `?` couldn't convert the error to `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:51:11
[INFO] [stdout] test ui_compile_fail ... FAILED
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 50 | fn bobo() -> Result<(), Kaboom> {
[INFO] [stdout] failures:
[INFO] [stderr]    |              ------------------ expected `Kaboom` because of this
[INFO] [stdout] 
[INFO] [stderr] 51 |     Err(Bobo)?
[INFO] [stdout] ---- ui_compile_fail stdout ----
[INFO] [stderr]    |     ---------^ the trait `From<Bobo>` is not implemented for `Kaboom`
[INFO] [stdout] 
[INFO] [stderr]    |     |
[INFO] [stdout] thread 'ui_compile_fail' (781) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.116/src/run.rs:102:13:
[INFO] [stderr]    |     this can't be annotated with `?` because it has type `Result<_, Bobo>`
[INFO] [stdout] 2 of 4 tests failed
[INFO] [stderr]    |
[INFO] [stdout] stack backtrace:
[INFO] [stderr] note: `Kaboom` needs to implement `From<Bobo>`
[INFO] [stdout]    0:     0x55f098470b61 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]   --> tests/ui/err-03.rs:36:1
[INFO] [stdout]    1:     0x55f0984871ea - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]    |
[INFO] [stdout]    2:     0x55f09847562c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr] 36 | enum Kaboom {
[INFO] [stdout]    3:     0x55f09844a046 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stdout]    4:     0x55f0984681d9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    5:     0x55f0984014b0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stderr] help: the following other types implement trait `From<T>`
[INFO] [stdout]    6:     0x55f098468392 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]   --> tests/ui/err-03.rs:35:34
[INFO] [stdout]    7:     0x55f09844a0f2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    |
[INFO] [stdout]    8:     0x55f0984429b9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stdout]    9:     0x55f09844aced - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stdout]   10:     0x55f09848795c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]    |                                  |
[INFO] [stdout]   11:     0x55f098351598 - <trybuild[f0a53630983fdf51]::Runner>::run
[INFO] [stderr]    |                                  `Kaboom` implements `From<FatalKaboom>`
[INFO] [stdout]   12:     0x55f0983550a0 - <trybuild[f0a53630983fdf51]::TestCases as core[df12db4294e9bfd3]::ops::drop::Drop>::drop
[INFO] [stderr]    |                                  `Kaboom` implements `From<JfyiKaboom>`
[INFO] [stdout]   13:     0x55f09834bf88 - ui[d4dade656141ac42]::ui_compile_fail
[INFO] [stderr]    = note: this error originates in the derive macro `Split` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout]   14:     0x55f09834c2d9 - <ui[d4dade656141ac42]::ui_compile_fail::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stdout]   15:     0x55f0983f479b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stderr] 
[INFO] [stdout]   16:     0x55f098401e05 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stdout]   17:     0x55f0983fb6c4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stdout]   18:     0x55f098404f62 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr] error[E0277]: the trait bound `Fatal: Fatality` is not satisfied
[INFO] [stdout]   19:     0x55f09846fe19 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   --> tests/ui/err-03.rs:35:24
[INFO] [stdout]   20:     0x7a6d3bfccdfa - <unknown>
[INFO] [stderr]    |
[INFO] [stdout]   21:     0x7a6d3c0603d4 - clone
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stdout]   22:                0x0 - <unknown>
[INFO] [stderr]    |                        ^^^^^^^^ unsatisfied trait bound
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] help: the trait `Fatality` is not implemented for `Fatal`
[INFO] [stdout] failures:
[INFO] [stderr]   --> tests/ui/err-03.rs:23:1
[INFO] [stdout]     ui_compile_fail
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 23 | struct Fatal;
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.36s
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] help: the trait `Fatality` is implemented for `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: this error originates in the derive macro `Fatality` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Fatal: Fatality` is not satisfied
[INFO] [stderr]   --> tests/ui/err-03.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                                  ^^^^^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `Fatality` is not implemented for `Fatal`
[INFO] [stderr]   --> tests/ui/err-03.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Fatal;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] help: the trait `Fatality` is implemented for `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: this error originates in the derive macro `Split` which comes from the expansion of the derive macro `Fatality` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `?` couldn't convert the error to `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn iffy() -> Result<(), Kaboom> {
[INFO] [stderr]    |              ------------------ expected `Kaboom` because of this
[INFO] [stderr] 47 |     Err(Fatal)?
[INFO] [stderr]    |     ----------^ the trait `From<Fatal>` is not implemented for `Kaboom`
[INFO] [stderr]    |     |
[INFO] [stderr]    |     this can't be annotated with `?` because it has type `Result<_, Fatal>`
[INFO] [stderr]    |
[INFO] [stderr] note: `Kaboom` needs to implement `From<Fatal>`
[INFO] [stderr]   --> tests/ui/err-03.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum Kaboom {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stderr] help: `Kaboom` implements trait `From<T>`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  `From<FatalKaboom>`
[INFO] [stderr]    |                                  `From<JfyiKaboom>`
[INFO] [stderr]    = note: this error originates in the derive macro `Split` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `?` couldn't convert the error to `Kaboom`
[INFO] [stderr]   --> tests/ui/err-03.rs:51:11
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn bobo() -> Result<(), Kaboom> {
[INFO] [stderr]    |              ------------------ expected `Kaboom` because of this
[INFO] [stderr] 51 |     Err(Bobo)?
[INFO] [stderr]    |     ---------^ the trait `From<Bobo>` is not implemented for `Kaboom`
[INFO] [stderr]    |     |
[INFO] [stderr]    |     this can't be annotated with `?` because it has type `Result<_, Bobo>`
[INFO] [stderr]    |
[INFO] [stderr] note: `Kaboom` needs to implement `From<Bobo>`
[INFO] [stderr]   --> tests/ui/err-03.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum Kaboom {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stderr] help: `Kaboom` implements trait `From<T>`
[INFO] [stderr]   --> tests/ui/err-03.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Error, Fatality, Split)]
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  `From<FatalKaboom>`
[INFO] [stderr]    |                                  `From<JfyiKaboom>`
[INFO] [stderr]    = note: this error originates in the derive macro `Split` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning
[INFO] [stderr]       your test with the environment variable TRYBUILD=overwrite
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/err-04-split-attrs-missing-derives.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: cannot find attribute `error` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 |     #[error(transparent)]
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `error` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `from` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Bobo(#[from] Bobo),
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `from` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `error` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 |     #[error(transparent)]
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `error` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `from` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Iffy(#[from] Fatal),
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `from` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `FatalKaboom: std::error::Error` is not satisfied
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |   enum Kaboom {
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `std::error::Error` is not implemented for `FatalKaboom`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / enum Kaboom {
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] note: required by a bound in `error_fatality::Split::Fatal`
[INFO] [stderr]   --> lib.rs
[INFO] [stderr]    |
[INFO] [stderr]    |     type Fatal: std::error::Error + Send + Sync + 'static;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^ required by this bound in `Split::Fatal`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `JfyiKaboom: std::error::Error` is not satisfied
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |   enum Kaboom {
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `std::error::Error` is not implemented for `JfyiKaboom`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / enum Kaboom {
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] note: required by a bound in `error_fatality::Split::Jfyi`
[INFO] [stderr]   --> lib.rs
[INFO] [stderr]    |
[INFO] [stderr]    |     type Jfyi: std::error::Error + Send + Sync + 'static;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^ required by this bound in `Split::Jfyi`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `FatalKaboom` doesn't implement `Debug`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |         assert_matches!(fatal, FatalKaboom::Iffy(_));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         `FatalKaboom` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stderr]    |         required by this formatting parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Debug` is not implemented for `FatalKaboom`
[INFO] [stderr]    = note: add `#[derive(Debug)]` to `FatalKaboom` or manually `impl Debug for FatalKaboom`
[INFO] [stderr]    = note: required for `&FatalKaboom` to implement `Debug`
[INFO] [stderr]    = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `assert_matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consider annotating `FatalKaboom` with `#[derive(Debug)]`
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Debug)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `JfyiKaboom` doesn't implement `Debug`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |         assert_matches!(bobo, JfyiKaboom::Bobo(_));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         `JfyiKaboom` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stderr]    |         required by this formatting parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Debug` is not implemented for `JfyiKaboom`
[INFO] [stderr]    = note: add `#[derive(Debug)]` to `JfyiKaboom` or manually `impl Debug for JfyiKaboom`
[INFO] [stderr]    = note: required for `&JfyiKaboom` to implement `Debug`
[INFO] [stderr]    = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `assert_matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consider annotating `JfyiKaboom` with `#[derive(Debug)]`
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Debug)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: cannot find attribute `error` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 |     #[error(transparent)]
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `error` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `from` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Bobo(#[from] Bobo),
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `from` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `error` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 |     #[error(transparent)]
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `error` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `from` in this scope
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Iffy(#[from] Fatal),
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: `from` is an attribute that can be used by the derive macro `Error`, you might be missing a `derive` attribute
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Error)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `FatalKaboom: std::error::Error` is not satisfied
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |   enum Kaboom {
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `std::error::Error` is not implemented for `FatalKaboom`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / enum Kaboom {
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] note: required by a bound in `error_fatality::Split::Fatal`
[INFO] [stderr]   --> lib.rs
[INFO] [stderr]    |
[INFO] [stderr]    |     type Fatal: std::error::Error + Send + Sync + 'static;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^ required by this bound in `Split::Fatal`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `JfyiKaboom: std::error::Error` is not satisfied
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |   enum Kaboom {
[INFO] [stderr]    |  _____________^
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^ unsatisfied trait bound
[INFO] [stderr]    |
[INFO] [stderr] help: the trait `std::error::Error` is not implemented for `JfyiKaboom`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / enum Kaboom {
[INFO] [stderr] 32 | |     #[error(transparent)]
[INFO] [stderr] 33 | |     #[fatal(true)]
[INFO] [stderr] 34 | |     Iffy(#[from] Fatal),
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     Bobo(#[from] Bobo),
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] note: required by a bound in `error_fatality::Split::Jfyi`
[INFO] [stderr]   --> lib.rs
[INFO] [stderr]    |
[INFO] [stderr]    |     type Jfyi: std::error::Error + Send + Sync + 'static;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^ required by this bound in `Split::Jfyi`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `FatalKaboom` doesn't implement `Debug`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |         assert_matches!(fatal, FatalKaboom::Iffy(_));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         `FatalKaboom` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stderr]    |         required by this formatting parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Debug` is not implemented for `FatalKaboom`
[INFO] [stderr]    = note: required for `&FatalKaboom` to implement `Debug`
[INFO] [stderr]    = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `assert_matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consider annotating `FatalKaboom` with `#[derive(Debug)]`
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Debug)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `JfyiKaboom` doesn't implement `Debug`
[INFO] [stderr]   --> tests/ui/err-04-split-attrs-missing-derives.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |         assert_matches!(bobo, JfyiKaboom::Bobo(_));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         `JfyiKaboom` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stderr]    |         required by this formatting parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Debug` is not implemented for `JfyiKaboom`
[INFO] [stderr]    = note: required for `&JfyiKaboom` to implement `Debug`
[INFO] [stderr]    = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `assert_matches` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consider annotating `JfyiKaboom` with `#[derive(Debug)]`
[INFO] [stderr]    |
[INFO] [stderr] 31 + #[derive(Debug)]
[INFO] [stderr] 32 | enum Kaboom {
[INFO] [stderr]    |
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning
[INFO] [stderr]       your test with the environment variable TRYBUILD=overwrite
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass `--test ui`
[INFO] running `Command { std: "docker" "inspect" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf", kill_on_drop: false }`
[INFO] [stdout] b0e2f12a2df6cfa62a54f3acbb43ee3751dc8e58829bf2d5ba9165f559e544cf
