[INFO] fetching crate optargs 0.1.2...
[INFO] testing optargs-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate optargs 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate optargs 0.1.2
[INFO] finished tweaking crates.io crate optargs 0.1.2
[INFO] tweaked toml for crates.io crate optargs 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optargs 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optargs 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07f80666b1de88dd682e59a6c2473396eff1a691c54dcd8dd824b2f9fa305558
[INFO] running `Command { std: "docker" "start" "-a" "07f80666b1de88dd682e59a6c2473396eff1a691c54dcd8dd824b2f9fa305558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f80666b1de88dd682e59a6c2473396eff1a691c54dcd8dd824b2f9fa305558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f80666b1de88dd682e59a6c2473396eff1a691c54dcd8dd824b2f9fa305558", kill_on_drop: false }`
[INFO] [stdout] 07f80666b1de88dd682e59a6c2473396eff1a691c54dcd8dd824b2f9fa305558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26ca4ba86ee5d29d8c4102ea196a7f45fde1ab861caa64c5ef067a5ed3f7d03
[INFO] running `Command { std: "docker" "start" "-a" "c26ca4ba86ee5d29d8c4102ea196a7f45fde1ab861caa64c5ef067a5ed3f7d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling optargs-macro v0.1.2
[INFO] [stderr]    Compiling optargs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "c26ca4ba86ee5d29d8c4102ea196a7f45fde1ab861caa64c5ef067a5ed3f7d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26ca4ba86ee5d29d8c4102ea196a7f45fde1ab861caa64c5ef067a5ed3f7d03", kill_on_drop: false }`
[INFO] [stdout] c26ca4ba86ee5d29d8c4102ea196a7f45fde1ab861caa64c5ef067a5ed3f7d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82dd5fb6c5fb8ec48d6a1ece88bda992500c23827ee3b147ce702ab9a90521d6
[INFO] running `Command { std: "docker" "start" "-a" "82dd5fb6c5fb8ec48d6a1ece88bda992500c23827ee3b147ce702ab9a90521d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling optargs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> examples/optstruct_reference.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |         $src.0 = Some($value);
[INFO] [stdout]    |                              ^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     let p = Example! { a: 10 };
[INFO] [stdout]    |             ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `Example`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `Example` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/optstruct_reference.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn build(mut self) -> bool {
[INFO] [stdout]   |              ----^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> examples/optstruct_reference.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let p = Example! { a: 10 };
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]  --> examples/optstruct_reference.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Example {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 4 |     a: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: Option<&'static str>,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `build` is never used
[INFO] [stdout]  --> examples/optstruct_reference.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Example {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 8 |     fn build(mut self) -> bool {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> examples/optfn_multiple_dyns.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn blah2(a: Option<&dyn Iterator<Item = i32>>) {}
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]  --> examples/optstruct_demo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Example {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 3 |     a: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     b: Option<String>,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> examples/optfn_reference.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn example(a: i32, b: Option<&str>) {}
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> examples/optfn_reference.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn example(a: i32, b: Option<&str>) {}
[INFO] [stdout]   |                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `b` is never used
[INFO] [stdout]   --> examples/optfn_reference.rs:22:51
[INFO] [stdout]    |
[INFO] [stdout] 22 |             impl<const A: bool> Validator<A> { fn b(self) -> Validator<A> { self  }}
[INFO] [stdout]    |             --------------------------------      ^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     example_src!(a: 10);
[INFO] [stdout]    |     ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `example_src` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized] target(s) in 0.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: optargs v0.1.2 (/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" "82dd5fb6c5fb8ec48d6a1ece88bda992500c23827ee3b147ce702ab9a90521d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82dd5fb6c5fb8ec48d6a1ece88bda992500c23827ee3b147ce702ab9a90521d6", kill_on_drop: false }`
[INFO] [stdout] 82dd5fb6c5fb8ec48d6a1ece88bda992500c23827ee3b147ce702ab9a90521d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c799a6577cc93685a9fe08fc5060311bc04bd88f9220d7d2055984eeb42362b3
[INFO] running `Command { std: "docker" "start" "-a" "c799a6577cc93685a9fe08fc5060311bc04bd88f9220d7d2055984eeb42362b3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> examples/optfn_multiple_dyns.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn blah2(a: Option<&dyn Iterator<Item = i32>>) {}
[INFO] [stderr]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `optargs` (example "optfn_multiple_dyns") generated 1 warning (run `cargo fix --example "optfn_multiple_dyns" -p optargs` to apply 1 suggestion)
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> examples/optstruct_reference.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |         $src.0 = Some($value);
[INFO] [stderr]    |                              ^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     let p = Example! { a: 10 };
[INFO] [stderr]    |             ------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `Example`
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `Example` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> examples/optstruct_reference.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn build(mut self) -> bool {
[INFO] [stderr]   |              ----^^^^
[INFO] [stderr]   |              |
[INFO] [stderr]   |              help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> examples/optstruct_reference.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let p = Example! { a: 10 };
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]  --> examples/optstruct_reference.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Example {
[INFO] [stderr]   |        ------- fields in this struct
[INFO] [stderr] 4 |     a: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr] 5 |     b: Option<&'static str>,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `build` is never used
[INFO] [stderr]  --> examples/optstruct_reference.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl Example {
[INFO] [stderr]   | ------------ method in this implementation
[INFO] [stderr] 8 |     fn build(mut self) -> bool {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `optargs` (example "optstruct_reference") generated 5 warnings (run `cargo fix --example "optstruct_reference" -p optargs` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> examples/optfn_reference.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn example(a: i32, b: Option<&str>) {}
[INFO] [stderr]   |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]  --> examples/optfn_reference.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn example(a: i32, b: Option<&str>) {}
[INFO] [stderr]   |                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: method `b` is never used
[INFO] [stderr]   --> examples/optfn_reference.rs:22:51
[INFO] [stderr]    |
[INFO] [stderr] 22 |             impl<const A: bool> Validator<A> { fn b(self) -> Validator<A> { self  }}
[INFO] [stderr]    |             --------------------------------      ^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     example_src!(a: 10);
[INFO] [stderr]    |     ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `example_src` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `optargs` (example "optfn_reference") generated 3 warnings (run `cargo fix --example "optfn_reference" -p optargs` to apply 2 suggestions)
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]  --> examples/optstruct_demo.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Example {
[INFO] [stderr]   |        ------- fields in this struct
[INFO] [stderr] 3 |     a: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr] 4 |     b: Option<String>,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `optargs` (example "optstruct_demo") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: optargs v0.1.2 (/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/optargs-4ed8314824401c55)
[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 optargs
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - optfn (line 9) ... ignored
[INFO] [stdout] test src/lib.rs - OptStruct (line 36) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - OptStruct (line 36) stdout ----
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/lib.rs:42:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     title: Option<&str>,
[INFO] [stdout]   |                   ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 6 ~ pub struct Scatter<'a> {
[INFO] [stdout] 7 |     x: Vec<i32>,
[INFO] [stdout] 8 |     y: Option<Vec<i32>>,
[INFO] [stdout] 9 ~     title: Option<&'a str>,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     xlabel: Option<&str>,
[INFO] [stdout]    |                    ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]  6 ~ pub struct Scatter<'a> {
[INFO] [stdout]  7 |     x: Vec<i32>,
[INFO] [stdout]  8 |     y: Option<Vec<i32>>,
[INFO] [stdout]  9 |     title: Option<&str>,
[INFO] [stdout] 10 ~     xlabel: Option<&'a str>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ylabel: Option<&str>,
[INFO] [stdout]    |                    ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]  6 ~ pub struct Scatter<'a> {
[INFO] [stdout]  7 |     x: Vec<i32>,
[INFO] [stdout] ...
[INFO] [stdout] 10 |     xlabel: Option<&str>,
[INFO] [stdout] 11 ~     ylabel: Option<&'a str>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - OptStruct (line 36)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c799a6577cc93685a9fe08fc5060311bc04bd88f9220d7d2055984eeb42362b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c799a6577cc93685a9fe08fc5060311bc04bd88f9220d7d2055984eeb42362b3", kill_on_drop: false }`
[INFO] [stdout] c799a6577cc93685a9fe08fc5060311bc04bd88f9220d7d2055984eeb42362b3
