[INFO] fetching crate overloading 0.1.2...
[INFO] testing overloading-0.1.2 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate overloading 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate overloading 0.1.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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: v2.0.86)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f53440c60ff4aada8214ddd0120f546d62d87885695d13d5ace4c09441d04294
[INFO] running `Command { std: "docker" "start" "-a" "f53440c60ff4aada8214ddd0120f546d62d87885695d13d5ace4c09441d04294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53440c60ff4aada8214ddd0120f546d62d87885695d13d5ace4c09441d04294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53440c60ff4aada8214ddd0120f546d62d87885695d13d5ace4c09441d04294", kill_on_drop: false }`
[INFO] [stdout] f53440c60ff4aada8214ddd0120f546d62d87885695d13d5ace4c09441d04294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba9077e2a95f1eb480d2d229ba495ecffcf4c02df0ed98126012c5656d9ccec4
[INFO] running `Command { std: "docker" "start" "-a" "ba9077e2a95f1eb480d2d229ba495ecffcf4c02df0ed98126012c5656d9ccec4", 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 4.21s
[INFO] running `Command { std: "docker" "inspect" "ba9077e2a95f1eb480d2d229ba495ecffcf4c02df0ed98126012c5656d9ccec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9077e2a95f1eb480d2d229ba495ecffcf4c02df0ed98126012c5656d9ccec4", kill_on_drop: false }`
[INFO] [stdout] ba9077e2a95f1eb480d2d229ba495ecffcf4c02df0ed98126012c5656d9ccec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8bde39a882a994d097a546673f947d0dc5813028f6f8bfe8508f66b254b562b
[INFO] running `Command { std: "docker" "start" "-a" "e8bde39a882a994d097a546673f947d0dc5813028f6f8bfe8508f66b254b562b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling overloading v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "e8bde39a882a994d097a546673f947d0dc5813028f6f8bfe8508f66b254b562b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bde39a882a994d097a546673f947d0dc5813028f6f8bfe8508f66b254b562b", kill_on_drop: false }`
[INFO] [stdout] e8bde39a882a994d097a546673f947d0dc5813028f6f8bfe8508f66b254b562b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41eab8749d3f962a691379445076da38a83517ade051af949103d27c30fd1a68
[INFO] running `Command { std: "docker" "start" "-a" "41eab8749d3f962a691379445076da38a83517ade051af949103d27c30fd1a68", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/overloading-688aa1cbd8e0c906)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]      Running tests/test_overloading.rs (/opt/rustwide/target/debug/deps/test_overloading-dd61ff2ba40c2b2f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests overloading
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/../README.md - (line 39) ... FAILED
[INFO] [stdout] test src/../README.md - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 39) stdout ----
[INFO] [stdout] error[E0658]: rust-call ABI is subject to change
[INFO] [stdout]  --> src/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: rust-call ABI is subject to change
[INFO] [stdout]   --> src/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: rust-call ABI is subject to change
[INFO] [stdout]   --> src/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: rust-call ABI is subject to change
[INFO] [stdout]   --> src/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: rust-call ABI is subject to change
[INFO] [stdout]   --> src/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: rust-call ABI is subject to change
[INFO] [stdout]   --> src/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md: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 <https://github.com/rust-lang/rust/issues/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 2024-10-27; 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/../README.md:42:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl std::ops::FnOnce<(String,)> for overloaded {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #29625 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0183]: manual implementations of `FnOnce` are experimental
[INFO] [stdout]  --> src/../README.md: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/../README.md:58:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl std::ops::FnOnce<()> for overloaded {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0183]: manual implementations of `FnOnce` are experimental
[INFO] [stdout]   --> src/../README.md: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/../README.md:48:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl std::ops::FnMut<(String,)> for overloaded {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0183]: manual implementations of `FnMut` are experimental
[INFO] [stdout]   --> src/../README.md: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/../README.md:64:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl std::ops::FnMut<()> for overloaded {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0183]: manual implementations of `FnMut` are experimental
[INFO] [stdout]   --> src/../README.md: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/../README.md:53:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl std::ops::Fn<(String,)> for overloaded {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0183]: manual implementations of `Fn` are experimental
[INFO] [stdout]   --> src/../README.md: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/../README.md:69:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl std::ops::Fn<()> for overloaded {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/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 2024-10-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] error[E0183]: manual implementations of `Fn` are experimental
[INFO] [stdout]   --> src/../README.md: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/../README.md - (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "41eab8749d3f962a691379445076da38a83517ade051af949103d27c30fd1a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41eab8749d3f962a691379445076da38a83517ade051af949103d27c30fd1a68", kill_on_drop: false }`
[INFO] [stdout] 41eab8749d3f962a691379445076da38a83517ade051af949103d27c30fd1a68
