[INFO] fetching crate optargs 0.1.2... [INFO] testing optargs-0.1.2 against 1.90.0 for beta-1.91-3 [INFO] extracting crate optargs 0.1.2 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate optargs 0.1.2 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded optargs-macro v0.1.2 [INFO] [stderr] Downloaded syn v1.0.67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e52131890246b268bb8e603cb8c74da98498f94835768b97441b7856196002b6 [INFO] running `Command { std: "docker" "start" "-a" "e52131890246b268bb8e603cb8c74da98498f94835768b97441b7856196002b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e52131890246b268bb8e603cb8c74da98498f94835768b97441b7856196002b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e52131890246b268bb8e603cb8c74da98498f94835768b97441b7856196002b6", kill_on_drop: false }` [INFO] [stdout] e52131890246b268bb8e603cb8c74da98498f94835768b97441b7856196002b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d7f59d540af9eed157e6bc369069ffbb57c7f6727c29ae1d35cc9c6f606933c [INFO] running `Command { std: "docker" "start" "-a" "4d7f59d540af9eed157e6bc369069ffbb57c7f6727c29ae1d35cc9c6f606933c", 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 6.13s [INFO] running `Command { std: "docker" "inspect" "4d7f59d540af9eed157e6bc369069ffbb57c7f6727c29ae1d35cc9c6f606933c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d7f59d540af9eed157e6bc369069ffbb57c7f6727c29ae1d35cc9c6f606933c", kill_on_drop: false }` [INFO] [stdout] 4d7f59d540af9eed157e6bc369069ffbb57c7f6727c29ae1d35cc9c6f606933c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a1419ccc31d9992370dafef0909c13ee7bc5955323ed82e4a096b9293db8f46 [INFO] running `Command { std: "docker" "start" "-a" "0a1419ccc31d9992370dafef0909c13ee7bc5955323ed82e4a096b9293db8f46", 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 [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)]` 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)]` 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)]` 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)]` 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: `ex` [INFO] [stdout] --> examples/optstruct_demo.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let ex = Example! { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ex` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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)]` 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: unused variable: `a` [INFO] [stdout] --> examples/optfn_multiple_dyns.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | fn blah2(a: Option<&dyn Iterator>) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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 Validator { fn b(self) -> Validator { 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)]` 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 0.91s [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" "0a1419ccc31d9992370dafef0909c13ee7bc5955323ed82e4a096b9293db8f46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a1419ccc31d9992370dafef0909c13ee7bc5955323ed82e4a096b9293db8f46", kill_on_drop: false }` [INFO] [stdout] 0a1419ccc31d9992370dafef0909c13ee7bc5955323ed82e4a096b9293db8f46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f5aa63ae180c9f962eba44d7540a687e1f5341f567b318445fab58433c6da17e [INFO] running `Command { std: "docker" "start" "-a" "f5aa63ae180c9f962eba44d7540a687e1f5341f567b318445fab58433c6da17e", 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>) {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `optargs` (example "optfn_multiple_dyns") generated 1 warning [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 [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)]` 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)]` 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)]` 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)]` 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"` to apply 1 suggestion) [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)]` 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 Validator { fn b(self) -> Validator { 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)]` 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 [INFO] [stderr] warning: unused variable: `ex` [INFO] [stderr] --> examples/optstruct_demo.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let ex = Example! { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ex` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [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, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `optargs` (example "optstruct_demo") generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized] target(s) in 0.04s [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-0138dfc10ab42e58) [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] [stderr] error: doctest failed, to rerun pass `--doc` [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, [INFO] [stdout] 8 | y: Option>, [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, [INFO] [stdout] 8 | y: Option>, [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, [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 0.10s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f5aa63ae180c9f962eba44d7540a687e1f5341f567b318445fab58433c6da17e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5aa63ae180c9f962eba44d7540a687e1f5341f567b318445fab58433c6da17e", kill_on_drop: false }` [INFO] [stdout] f5aa63ae180c9f962eba44d7540a687e1f5341f567b318445fab58433c6da17e