[INFO] fetching crate builder_option 0.1.0...
[INFO] testing builder_option-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate builder_option 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate builder_option 0.1.0
[INFO] finished tweaking crates.io crate builder_option 0.1.0
[INFO] tweaked toml for crates.io crate builder_option 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate builder_option 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate builder_option 0.1.0 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3f472d56889911fb50e0b127dca1918f6dc13ae5dcd58a7e0324e0920b7f970
[INFO] running `Command { std: "docker" "start" "-a" "c3f472d56889911fb50e0b127dca1918f6dc13ae5dcd58a7e0324e0920b7f970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f472d56889911fb50e0b127dca1918f6dc13ae5dcd58a7e0324e0920b7f970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f472d56889911fb50e0b127dca1918f6dc13ae5dcd58a7e0324e0920b7f970", kill_on_drop: false }`
[INFO] [stdout] c3f472d56889911fb50e0b127dca1918f6dc13ae5dcd58a7e0324e0920b7f970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efcc2f7c1394617a0e9f39ba1b6f373764003e72e12a922e4cf34388d104235
[INFO] running `Command { std: "docker" "start" "-a" "1efcc2f7c1394617a0e9f39ba1b6f373764003e72e12a922e4cf34388d104235", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling builder_option v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "1efcc2f7c1394617a0e9f39ba1b6f373764003e72e12a922e4cf34388d104235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efcc2f7c1394617a0e9f39ba1b6f373764003e72e12a922e4cf34388d104235", kill_on_drop: false }`
[INFO] [stdout] 1efcc2f7c1394617a0e9f39ba1b6f373764003e72e12a922e4cf34388d104235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68ebab41225967fb8888181f48f6b835a35f8e1ee09951f46ba679d240f860d9
[INFO] running `Command { std: "docker" "start" "-a" "68ebab41225967fb8888181f48f6b835a35f8e1ee09951f46ba679d240f860d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling builder_option v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "68ebab41225967fb8888181f48f6b835a35f8e1ee09951f46ba679d240f860d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ebab41225967fb8888181f48f6b835a35f8e1ee09951f46ba679d240f860d9", kill_on_drop: false }`
[INFO] [stdout] 68ebab41225967fb8888181f48f6b835a35f8e1ee09951f46ba679d240f860d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3c7b82dbe033c301851372265fd1238cbe4bd3c9ccd5d06dfeef90b7fb1f0f3
[INFO] running `Command { std: "docker" "start" "-a" "e3c7b82dbe033c301851372265fd1238cbe4bd3c9ccd5d06dfeef90b7fb1f0f3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/builder_option-a52fb1a968e38a88)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests builder_option
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 82) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 128) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 53) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 61) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 82) stdout ----
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/lib.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |   builder!(ClientBuilder -> Client {
[INFO] [stdout]    |  _________^
[INFO] [stdout] 86 | |     pub required{bool},
[INFO] [stdout] 87 | | })
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 85 ~ builder!{ClientBuilder -> Client {
[INFO] [stdout] 86 |     pub required{bool},
[INFO] [stdout] 87 ~ }}
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 87 | });
[INFO] [stdout]    |   +
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected `required`
[INFO] [stdout]    --> src/lib.rs:86:9
[INFO] [stdout]     |
[INFO] [stdout]  86 |     pub required{bool},
[INFO] [stdout]     |         ^^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match `{`
[INFO] [stdout]    --> src/lib.rs:152:55
[INFO] [stdout]     |
[INFO] [stdout] 152 |     ($builder:ident -> $client:ident { $( $fname:ident{$($ftype:tt)+} $(,)? )* }) => {
[INFO] [stdout]     |                                                       ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 102) stdout ----
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]    --> src/lib.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |   builder!(ClientBuilder -> Client {
[INFO] [stdout]     |  _________^
[INFO] [stdout] 106 | |     pub required{bool},
[INFO] [stdout] 107 | |     pub optional1{Option<bool>},
[INFO] [stdout] 108 | |     pub optional2{Option<Option<bool>>},
[INFO] [stdout] 109 | |     pub optional3{String},
[INFO] [stdout] 110 | | })
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]     |
[INFO] [stdout] 105 ~ builder!{ClientBuilder -> Client {
[INFO] [stdout] 106 |     pub required{bool},
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub optional3{String},
[INFO] [stdout] 110 ~ }}
[INFO] [stdout]     |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]     |
[INFO] [stdout] 110 | });
[INFO] [stdout]     |   +
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected `required`
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub required{bool},
[INFO] [stdout]     |         ^^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match `{`
[INFO] [stdout]    --> src/lib.rs:152:55
[INFO] [stdout]     |
[INFO] [stdout] 152 |     ($builder:ident -> $client:ident { $( $fname:ident{$($ftype:tt)+} $(,)? )* }) => {
[INFO] [stdout]     |                                                       ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 128) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `builder_option::Builder`
[INFO] [stdout]    --> src/lib.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | use builder_option::Builder;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ no `Builder` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[cfg(feature = "derive")]
[INFO] [stdout]     |       ------------------ the item is gated behind the `derive` feature
[INFO] [stdout] 191 | /// re-export the `Builder` macro from `builder_option_derive` here if a `derive` feature is enabled
[INFO] [stdout] 192 | pub use builder_option_derive::Builder;
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]     |
[INFO] [stdout] 130 - use builder_option::Builder;
[INFO] [stdout] 130 + use builder_option::builder;
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]     |
[INFO] [stdout] 130 - use builder_option::Builder;
[INFO] [stdout] 130 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 53) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `builder_option::Builder`
[INFO] [stdout]    --> src/lib.rs:55:5
[INFO] [stdout]     |
[INFO] [stdout]  55 | use builder_option::Builder;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ no `Builder` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[cfg(feature = "derive")]
[INFO] [stdout]     |       ------------------ the item is gated behind the `derive` feature
[INFO] [stdout] 191 | /// re-export the `Builder` macro from `builder_option_derive` here if a `derive` feature is enabled
[INFO] [stdout] 192 | pub use builder_option_derive::Builder;
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]     |
[INFO] [stdout]  55 - use builder_option::Builder;
[INFO] [stdout]  55 + use builder_option::builder;
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]     |
[INFO] [stdout]  55 - use builder_option::Builder;
[INFO] [stdout]  55 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 61) stdout ----
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |   builder!(ClientBuilder -> Client {
[INFO] [stdout]    |  _________^
[INFO] [stdout] 65 | |     pub required{bool},
[INFO] [stdout] 66 | | })
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 64 ~ builder!{ClientBuilder -> Client {
[INFO] [stdout] 65 |     pub required{bool},
[INFO] [stdout] 66 ~ }}
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 66 | });
[INFO] [stdout]    |   +
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected `required`
[INFO] [stdout]    --> src/lib.rs:65:9
[INFO] [stdout]     |
[INFO] [stdout]  65 |     pub required{bool},
[INFO] [stdout]     |         ^^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match `{`
[INFO] [stdout]    --> src/lib.rs:152:55
[INFO] [stdout]     |
[INFO] [stdout] 152 |     ($builder:ident -> $client:ident { $( $fname:ident{$($ftype:tt)+} $(,)? )* }) => {
[INFO] [stdout]     |                                                       ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 102)
[INFO] [stdout]     src/lib.rs - (line 128)
[INFO] [stdout]     src/lib.rs - (line 53)
[INFO] [stdout]     src/lib.rs - (line 61)
[INFO] [stdout]     src/lib.rs - (line 82)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e3c7b82dbe033c301851372265fd1238cbe4bd3c9ccd5d06dfeef90b7fb1f0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c7b82dbe033c301851372265fd1238cbe4bd3c9ccd5d06dfeef90b7fb1f0f3", kill_on_drop: false }`
[INFO] [stdout] e3c7b82dbe033c301851372265fd1238cbe4bd3c9ccd5d06dfeef90b7fb1f0f3
