[INFO] fetching crate overloading 0.1.2... [INFO] testing overloading-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate overloading 0.1.2 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate overloading 0.1.2 [INFO] finished tweaking crates.io crate overloading 0.1.2 [INFO] tweaked toml for crates.io crate overloading 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate overloading 0.1.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.104) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 607363f8586ebb9ee35eb99199245ea89a73a02ce87860a12f10692ce4cd948e [INFO] running `Command { std: "docker" "start" "-a" "607363f8586ebb9ee35eb99199245ea89a73a02ce87860a12f10692ce4cd948e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "607363f8586ebb9ee35eb99199245ea89a73a02ce87860a12f10692ce4cd948e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "607363f8586ebb9ee35eb99199245ea89a73a02ce87860a12f10692ce4cd948e", kill_on_drop: false }` [INFO] [stdout] 607363f8586ebb9ee35eb99199245ea89a73a02ce87860a12f10692ce4cd948e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9ec5c3c58c04c8636fbe76b0ec7edee0dc2ba6127cef752e4c3607d258939e5c [INFO] running `Command { std: "docker" "start" "-a" "9ec5c3c58c04c8636fbe76b0ec7edee0dc2ba6127cef752e4c3607d258939e5c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling overloading v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s [INFO] running `Command { std: "docker" "inspect" "9ec5c3c58c04c8636fbe76b0ec7edee0dc2ba6127cef752e4c3607d258939e5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ec5c3c58c04c8636fbe76b0ec7edee0dc2ba6127cef752e4c3607d258939e5c", kill_on_drop: false }` [INFO] [stdout] 9ec5c3c58c04c8636fbe76b0ec7edee0dc2ba6127cef752e4c3607d258939e5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] bfbeb9ad6c949fad75b69ef0f5091b4e978175186753081f94479e2a121a876f [INFO] running `Command { std: "docker" "start" "-a" "bfbeb9ad6c949fad75b69ef0f5091b4e978175186753081f94479e2a121a876f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling overloading v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.75s [INFO] running `Command { std: "docker" "inspect" "bfbeb9ad6c949fad75b69ef0f5091b4e978175186753081f94479e2a121a876f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfbeb9ad6c949fad75b69ef0f5091b4e978175186753081f94479e2a121a876f", kill_on_drop: false }` [INFO] [stdout] bfbeb9ad6c949fad75b69ef0f5091b4e978175186753081f94479e2a121a876f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 854839e444756f3614534944f36c2fc761cf3403c8da79b1ac259f28981fa746 [INFO] running `Command { std: "docker" "start" "-a" "854839e444756f3614534944f36c2fc761cf3403c8da79b1ac259f28981fa746", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/overloading-7c3c7b0da36bee7b) [INFO] [stdout] running 1 test [INFO] [stdout] test test ... ok [INFO] [stderr] Running tests/test_overloading.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test_overloading-f2cb7e2f618f0797) [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 1 test [INFO] [stderr] Doc-tests overloading [INFO] [stdout] test test ... 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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 39) ... FAILED [INFO] [stdout] test src/lib.rs - (line 11) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 39) stdout ---- [INFO] [stdout] error[E0658]: the extern "rust-call" ABI is experimental and subject to change [INFO] [stdout] --> src/lib.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 7 | extern "rust-call" fn call_once(self, (abc,): (String,)) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: the extern "rust-call" ABI is experimental and subject to change [INFO] [stdout] --> src/lib.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 12 | extern "rust-call" fn call_mut(&mut self, (abc,): (String,)) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: the extern "rust-call" ABI is experimental and subject to change [INFO] [stdout] --> src/lib.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 17 | extern "rust-call" fn call(&self, (abc,): (String,)) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: the extern "rust-call" ABI is experimental and subject to change [INFO] [stdout] --> src/lib.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 23 | extern "rust-call" fn call_once(self, _: ()) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: the extern "rust-call" ABI is experimental and subject to change [INFO] [stdout] --> src/lib.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 28 | extern "rust-call" fn call_mut(&mut self, _: ()) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: the extern "rust-call" ABI is experimental and subject to change [INFO] [stdout] --> src/lib.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 33 | extern "rust-call" fn call(&self, _: ()) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits` [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 7 | / extern "rust-call" fn call_once(self, (abc,): (String,)) -> Self::Output { [INFO] [stdout] 8 | | abc.parse().unwrap() [INFO] [stdout] 9 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(fn_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits` [INFO] [stdout] --> src/lib.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 12 | / extern "rust-call" fn call_mut(&mut self, (abc,): (String,)) -> Self::Output { [INFO] [stdout] 13 | | abc.parse().unwrap() [INFO] [stdout] 14 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(fn_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits` [INFO] [stdout] --> src/lib.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 17 | / extern "rust-call" fn call(&self, (abc,): (String,)) -> Self::Output { [INFO] [stdout] 18 | | abc.parse().unwrap() [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(fn_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits` [INFO] [stdout] --> src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 23 | / extern "rust-call" fn call_once(self, _: ()) -> Self::Output { [INFO] [stdout] 24 | | 114514 [INFO] [stdout] 25 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(fn_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits` [INFO] [stdout] --> src/lib.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 28 | / extern "rust-call" fn call_mut(&mut self, _: ()) -> Self::Output { [INFO] [stdout] 29 | | 114514 [INFO] [stdout] 30 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(fn_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits` [INFO] [stdout] --> src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 33 | / extern "rust-call" fn call(&self, _: ()) -> Self::Output { [INFO] [stdout] 34 | | 114514 [INFO] [stdout] 35 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(fn_traits)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change [INFO] [stdout] --> src/lib.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 5 | impl std::ops::FnOnce<(String,)> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0183]: manual implementations of `FnOnce` are experimental [INFO] [stdout] --> src/lib.rs:42:6 [INFO] [stdout] | [INFO] [stdout] 5 | impl std::ops::FnOnce<(String,)> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ manual implementations of `FnOnce` are experimental [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change [INFO] [stdout] --> src/lib.rs:58:6 [INFO] [stdout] | [INFO] [stdout] 21 | impl std::ops::FnOnce<()> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0183]: manual implementations of `FnOnce` are experimental [INFO] [stdout] --> src/lib.rs:58:6 [INFO] [stdout] | [INFO] [stdout] 21 | impl std::ops::FnOnce<()> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ manual implementations of `FnOnce` are experimental [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change [INFO] [stdout] --> src/lib.rs:48:6 [INFO] [stdout] | [INFO] [stdout] 11 | impl std::ops::FnMut<(String,)> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0183]: manual implementations of `FnMut` are experimental [INFO] [stdout] --> src/lib.rs:48:6 [INFO] [stdout] | [INFO] [stdout] 11 | impl std::ops::FnMut<(String,)> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ manual implementations of `FnMut` are experimental [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change [INFO] [stdout] --> src/lib.rs:64:6 [INFO] [stdout] | [INFO] [stdout] 27 | impl std::ops::FnMut<()> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0183]: manual implementations of `FnMut` are experimental [INFO] [stdout] --> src/lib.rs:64:6 [INFO] [stdout] | [INFO] [stdout] 27 | impl std::ops::FnMut<()> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ manual implementations of `FnMut` are experimental [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change [INFO] [stdout] --> src/lib.rs:53:6 [INFO] [stdout] | [INFO] [stdout] 16 | impl std::ops::Fn<(String,)> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0183]: manual implementations of `Fn` are experimental [INFO] [stdout] --> src/lib.rs:53:6 [INFO] [stdout] | [INFO] [stdout] 16 | impl std::ops::Fn<(String,)> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ manual implementations of `Fn` are experimental [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change [INFO] [stdout] --> src/lib.rs:69:6 [INFO] [stdout] | [INFO] [stdout] 32 | impl std::ops::Fn<()> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #29625 for more information [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0183]: manual implementations of `Fn` are experimental [INFO] [stdout] --> src/lib.rs:69:6 [INFO] [stdout] | [INFO] [stdout] 32 | impl std::ops::Fn<()> for overloaded { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ manual implementations of `Fn` are experimental [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error: aborting due to 24 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0183, E0658. [INFO] [stdout] For more information about an error, try `rustc --explain E0183`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 39) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "854839e444756f3614534944f36c2fc761cf3403c8da79b1ac259f28981fa746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "854839e444756f3614534944f36c2fc761cf3403c8da79b1ac259f28981fa746", kill_on_drop: false }` [INFO] [stdout] 854839e444756f3614534944f36c2fc761cf3403c8da79b1ac259f28981fa746