[INFO] fetching crate lithium 1.0.4...
[INFO] testing lithium-1.0.4 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate lithium 1.0.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate lithium 1.0.4
[INFO] finished tweaking crates.io crate lithium 1.0.4
[INFO] tweaked toml for crates.io crate lithium 1.0.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lithium 1.0.4 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lithium 1.0.4 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08ef8fea28068ce44d1ce7399a7dadd0d0e12c08ebac928228e3a661611ea816
[INFO] running `Command { std: "docker" "start" "-a" "08ef8fea28068ce44d1ce7399a7dadd0d0e12c08ebac928228e3a661611ea816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08ef8fea28068ce44d1ce7399a7dadd0d0e12c08ebac928228e3a661611ea816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ef8fea28068ce44d1ce7399a7dadd0d0e12c08ebac928228e3a661611ea816", kill_on_drop: false }`
[INFO] [stdout] 08ef8fea28068ce44d1ce7399a7dadd0d0e12c08ebac928228e3a661611ea816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a5f9af9911257aa050a96d6b5388cf8c7825abe3a14c4a6f488bd9d73a1b4c
[INFO] running `Command { std: "docker" "start" "-a" "37a5f9af9911257aa050a96d6b5388cf8c7825abe3a14c4a6f488bd9d73a1b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling lithium v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "37a5f9af9911257aa050a96d6b5388cf8c7825abe3a14c4a6f488bd9d73a1b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a5f9af9911257aa050a96d6b5388cf8c7825abe3a14c4a6f488bd9d73a1b4c", kill_on_drop: false }`
[INFO] [stdout] 37a5f9af9911257aa050a96d6b5388cf8c7825abe3a14c4a6f488bd9d73a1b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc99fd27b4b3f0ebd43eec13e9e49d78670c439ddef9eb40621f15ccb335a5a
[INFO] running `Command { std: "docker" "start" "-a" "4fc99fd27b4b3f0ebd43eec13e9e49d78670c439ddef9eb40621f15ccb335a5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling anstyle v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling lithium v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stdout]    --> src/backend/mod.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 202 | |                 ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stdout] 203 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the type explicitly
[INFO] [stdout]     = note: `#[warn(never_type_fallback_flowing_into_unsafe)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 201 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 201 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stdout]    --> src/backend/mod.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 239 | |                 let result = ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 240 | |                     ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stdout] 241 | |                 });
[INFO] [stdout] ...   |
[INFO] [stdout] 244 | |                 handle.rethrow(ex2);
[INFO] [stdout] 245 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the type explicitly
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 238 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 238 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stdout]    --> src/backend/mod.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 263 | |                 let _dropper = Dropper(&mut destructor_was_run);
[INFO] [stdout] 264 | |                 ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stdout] 265 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the type explicitly
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 262 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 262 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stdout]    --> src/backend/mod.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 290 | |                 let _dropper = Dropper;
[INFO] [stdout] 291 | |                 ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stdout] 292 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the type explicitly
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 289 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 289 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stdout]    --> src/backend/mod.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 | /                     ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 280 | |                         ActiveBackend::throw(String::from("Awful idea"));
[INFO] [stdout] 281 | |                     })
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the type explicitly
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 279 -                     ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stdout] 279 +                     ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lithium v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4fc99fd27b4b3f0ebd43eec13e9e49d78670c439ddef9eb40621f15ccb335a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc99fd27b4b3f0ebd43eec13e9e49d78670c439ddef9eb40621f15ccb335a5a", kill_on_drop: false }`
[INFO] [stdout] 4fc99fd27b4b3f0ebd43eec13e9e49d78670c439ddef9eb40621f15ccb335a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1d6f2ebb15da9b5eef029ac80173b548a5aaae54e6669cade194f869b4369d8
[INFO] running `Command { std: "docker" "start" "-a" "b1d6f2ebb15da9b5eef029ac80173b548a5aaae54e6669cade194f869b4369d8", kill_on_drop: false }`
[INFO] [stderr] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stderr]    --> src/backend/mod.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 202 | |                 ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stderr] 203 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]     = help: specify the type explicitly
[INFO] [stderr]     = note: `#[warn(never_type_fallback_flowing_into_unsafe)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] help: use `()` annotations to avoid fallback changes
[INFO] [stderr]     |
[INFO] [stderr] 201 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 201 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stderr]    --> src/backend/mod.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 239 | |                 let result = ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 240 | |                     ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stderr] 241 | |                 });
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |                 handle.rethrow(ex2);
[INFO] [stderr] 245 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]     = help: specify the type explicitly
[INFO] [stderr] help: use `()` annotations to avoid fallback changes
[INFO] [stderr]     |
[INFO] [stderr] 238 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 238 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stderr]    --> src/backend/mod.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 263 | |                 let _dropper = Dropper(&mut destructor_was_run);
[INFO] [stderr] 264 | |                 ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stderr] 265 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]     = help: specify the type explicitly
[INFO] [stderr] help: use `()` annotations to avoid fallback changes
[INFO] [stderr]     |
[INFO] [stderr] 262 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 262 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stderr]    --> src/backend/mod.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 | /             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 290 | |                 let _dropper = Dropper;
[INFO] [stderr] 291 | |                 ActiveBackend::throw(String::from("Hello, world!"));
[INFO] [stderr] 292 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]     = help: specify the type explicitly
[INFO] [stderr] help: use `()` annotations to avoid fallback changes
[INFO] [stderr]     |
[INFO] [stderr] 289 -             ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 289 +             ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: never type fallback affects this call to an `unsafe` function
[INFO] [stderr]    --> src/backend/mod.rs:279:21
[INFO] [stderr]     |
[INFO] [stderr] 279 | /                     ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 280 | |                         ActiveBackend::throw(String::from("Awful idea"));
[INFO] [stderr] 281 | |                     })
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stderr]     = help: specify the type explicitly
[INFO] [stderr] help: use `()` annotations to avoid fallback changes
[INFO] [stderr]     |
[INFO] [stderr] 279 -                     ActiveBackend::intercept::<_, _, String>(|| {
[INFO] [stderr] 279 +                     ActiveBackend::intercept::<_, (), String>(|| {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `lithium` (lib test) generated 5 warnings (run `cargo fix --lib -p lithium --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lithium v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lithium-bfe65978a8241685)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test api::test::catch_ok ... ok
[INFO] [stdout] test api::test::catch_err ... ok
[INFO] [stdout] test api::test::rethrow ... ok
[INFO] [stdout] test backend::test::intercept_err ... ok
[INFO] [stdout] test backend::test::destructors_are_run ... ok
[INFO] [stdout] test backend::test::intercept_ok ... ok
[INFO] [stdout] test backend::test::nested_intercept ... ok
[INFO] [stdout] test backend::test::nested_with_drop ... ok
[INFO] [stdout] test backend::test::intercept_panic ... ok
[INFO] [stdout] test backend::test::rethrow ... ok
[INFO] [stdout] test heterogeneous_stack::align::test::pass ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::consecutive ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::overaligned ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::pop_zero ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::push_zero ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::contains_allocated ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::too_large ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::unique ... ok
[INFO] [stdout] test heterogeneous_stack::heap::test::overaligned ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::overaligned ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::replace_last_on_stack ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::replace_last_on_heap ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::spill_over ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::simple ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::unique ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::push_zero ... ok
[INFO] [stdout] test stacked_exceptions::test::exception_cause ... ok
[INFO] [stdout] test stacked_exceptions::test::stack ... ok
[INFO] [stdout] test heterogeneous_stack::heap::test::unique ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::allocate ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::replace_last_relocate ... ok
[INFO] [stdout] test api::test::panic_while_in_flight ... ok
[INFO] [stdout] test heterogeneous_stack::align::test::fail - should panic ... ok
[INFO] [stdout] test api::test::catch_panic ... ok
[INFO] [stdout] test heterogeneous_stack::heap::test::alloc_unaligned - should panic ... ok
[INFO] [stdout] test heterogeneous_stack::heap::test::alloc_zero - should panic ... ok
[INFO] [stdout] test heterogeneous_stack::heap::test::alloc_large - should panic ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::unaligned_push - should panic ... ok
[INFO] [stdout] test heterogeneous_stack::array::test::unaligned_pop - should panic ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::unaligned_push - should panic ... ok
[INFO] [stdout] test heterogeneous_stack::unbounded::test::unaligned_replace_last - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lithium
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 62) ... FAILED
[INFO] [stdout] test src/api.rs - api::intercept (line 140) ... ok
[INFO] [stdout] test src/api.rs - api::intercept (line 152) ... ok
[INFO] [stdout] test src/api.rs - api::throw (line 23) ... ok
[INFO] [stdout] test src/api.rs - api::catch (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 62) stdout ----
[INFO] [stdout] error: never type fallback affects this call to an `unsafe` function
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |       let _ = catch::<_, A>(|| {
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 71 | |         let _ = catch::<_, B>(|| throw(B));
[INFO] [stdout] 72 | |         throw(A);
[INFO] [stdout] 73 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the type explicitly
[INFO] [stdout]    = note: `#[deny(never_type_fallback_flowing_into_unsafe)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 70 -     let _ = catch::<_, A>(|| {
[INFO] [stdout] 70 +     let _ = catch::<(), A>(|| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 62)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b1d6f2ebb15da9b5eef029ac80173b548a5aaae54e6669cade194f869b4369d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d6f2ebb15da9b5eef029ac80173b548a5aaae54e6669cade194f869b4369d8", kill_on_drop: false }`
[INFO] [stdout] b1d6f2ebb15da9b5eef029ac80173b548a5aaae54e6669cade194f869b4369d8
