[INFO] fetching crate optional_struct 0.3.1...
[INFO] checking optional_struct-0.3.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate optional_struct 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate optional_struct 0.3.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optional_struct 0.3.1
[INFO] finished tweaking crates.io crate optional_struct 0.3.1
[INFO] tweaked toml for crates.io crate optional_struct 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded optional_struct_internal v0.3.1
[INFO] [stderr]   Downloaded optional_struct_macro_impl v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 598b7b944926a91f0f65a269e91e840e9c089985596335e6157facd3cfdb5cdb
[INFO] running `Command { std: "docker" "start" "-a" "598b7b944926a91f0f65a269e91e840e9c089985596335e6157facd3cfdb5cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598b7b944926a91f0f65a269e91e840e9c089985596335e6157facd3cfdb5cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598b7b944926a91f0f65a269e91e840e9c089985596335e6157facd3cfdb5cdb", kill_on_drop: false }`
[INFO] [stdout] 598b7b944926a91f0f65a269e91e840e9c089985596335e6157facd3cfdb5cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a3dbf4ff34c2f22e2e8acbee4d22d487c437c62e709b3bb1d23c01254d7c2a8
[INFO] running `Command { std: "docker" "start" "-a" "0a3dbf4ff34c2f22e2e8acbee4d22d487c437c62e709b3bb1d23c01254d7c2a8", kill_on_drop: false }`
[INFO] [stderr]     Checking optional_struct_internal v0.3.1
[INFO] [stderr]     Checking syn v2.0.57
[INFO] [stderr]     Checking optional_struct_macro_impl v0.3.2
[INFO] [stderr]     Checking optional_struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/nested.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/skip.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/simple.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_rename` in this scope
[INFO] [stdout]  --> tests/nested.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_rename(OptionalLogConfig)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_skip_wrap` in this scope
[INFO] [stdout]  --> tests/skip.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_skip_wrap]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/with_extra_derive.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/simple.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]   --> tests/nested.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[optional_struct]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/skip.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/with_extra_derive.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/nested.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalLogConfig` in this scope
[INFO] [stdout]   --> tests/nested.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |         log_config: Some(OptionalLogConfig {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/reverse_wrapping.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct(OptionalConfig, false)]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_rename` in this scope
[INFO] [stdout]  --> tests/reverse_wrapping.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_rename(OptionalLogConfig)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/skip.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/tuple_struct.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/renamed.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct(Woof)]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_wrap` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[optional_wrap]
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/simple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/generics.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[optional_struct]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Woof` in this scope
[INFO] [stdout]   --> tests/renamed.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = Woof {
[INFO] [stdout]    |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/nested.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalGenericConfig` in this scope
[INFO] [stdout]   --> tests/generics.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let opt_config = OptionalGenericConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct::*`
[INFO] [stdout]  --> tests/tuple_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalLogConfig` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         log_config: OptionalLogConfig {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OptionalConfig`
[INFO] [stdout]  --> tests/tuple_struct.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let opt_config = OptionalConfig::default();
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^ use of undeclared type `OptionalConfig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/renamed.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "skip") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optional_struct` (test "simple") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/nested_skip.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/reverse_wrapping.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "nested") due to 6 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/with_extra_derive.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_rename` in this scope
[INFO] [stdout]  --> tests/nested_skip.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_rename(OptionalLogConfig)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/generics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_skip_wrap` in this scope
[INFO] [stdout]  --> tests/nested_skip.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[optional_skip_wrap]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]   --> tests/nested_skip.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[optional_struct]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "tuple_struct") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "renamed") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/nested_skip.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalLogConfig` in this scope
[INFO] [stdout]   --> tests/nested_skip.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |         log_config: OptionalLogConfig {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "reverse_wrapping") due to 7 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "with_extra_derive") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "generics") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/nested_skip.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "nested_skip") due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0a3dbf4ff34c2f22e2e8acbee4d22d487c437c62e709b3bb1d23c01254d7c2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3dbf4ff34c2f22e2e8acbee4d22d487c437c62e709b3bb1d23c01254d7c2a8", kill_on_drop: false }`
[INFO] [stdout] 0a3dbf4ff34c2f22e2e8acbee4d22d487c437c62e709b3bb1d23c01254d7c2a8
[INFO] checking optional_struct-0.3.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate optional_struct 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate optional_struct 0.3.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optional_struct 0.3.1
[INFO] finished tweaking crates.io crate optional_struct 0.3.1
[INFO] tweaked toml for crates.io crate optional_struct 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 641df2a36ed341b76c3b60662517978070a138fc1b16e1daf5bd9b083b33dbaf
[INFO] running `Command { std: "docker" "start" "-a" "641df2a36ed341b76c3b60662517978070a138fc1b16e1daf5bd9b083b33dbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641df2a36ed341b76c3b60662517978070a138fc1b16e1daf5bd9b083b33dbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641df2a36ed341b76c3b60662517978070a138fc1b16e1daf5bd9b083b33dbaf", kill_on_drop: false }`
[INFO] [stdout] 641df2a36ed341b76c3b60662517978070a138fc1b16e1daf5bd9b083b33dbaf
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 577360cc6416edce93fd377093f406e64e18e2805ab8e95379d6580f20524f65
[INFO] running `Command { std: "docker" "start" "-a" "577360cc6416edce93fd377093f406e64e18e2805ab8e95379d6580f20524f65", kill_on_drop: false }`
[INFO] [stderr]     Checking optional_struct_internal v0.3.1
[INFO] [stderr]     Checking syn v2.0.57
[INFO] [stderr]     Checking optional_struct_macro_impl v0.3.2
[INFO] [stderr]     Checking optional_struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/renamed.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct(Woof)]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/generics.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/tuple_struct.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalGenericConfig` in this scope
[INFO] [stdout]   --> tests/generics.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let opt_config = OptionalGenericConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Woof` in this scope
[INFO] [stdout]   --> tests/renamed.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = Woof {
[INFO] [stdout]    |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/nested.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/nested_skip.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct::*`
[INFO] [stdout]  --> tests/tuple_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_rename` in this scope
[INFO] [stdout]  --> tests/nested.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_rename(OptionalLogConfig)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_rename` in this scope
[INFO] [stdout]  --> tests/nested_skip.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_rename(OptionalLogConfig)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]   --> tests/nested.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[optional_struct]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/reverse_wrapping.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct(OptionalConfig, false)]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_skip_wrap` in this scope
[INFO] [stdout]  --> tests/nested_skip.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[optional_skip_wrap]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/skip.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_rename` in this scope
[INFO] [stdout]  --> tests/reverse_wrapping.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_rename(OptionalLogConfig)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/simple.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OptionalConfig`
[INFO] [stdout]  --> tests/tuple_struct.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let opt_config = OptionalConfig::default();
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^ use of undeclared type `OptionalConfig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]   --> tests/nested_skip.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[optional_struct]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/nested.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_wrap` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[optional_wrap]
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalLogConfig` in this scope
[INFO] [stdout]   --> tests/nested.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |         log_config: Some(OptionalLogConfig {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/renamed.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_skip_wrap` in this scope
[INFO] [stdout]  --> tests/skip.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[optional_skip_wrap]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[optional_struct]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/simple.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/skip.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/nested_skip.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalLogConfig` in this scope
[INFO] [stdout]   --> tests/nested_skip.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |         log_config: OptionalLogConfig {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/generics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `optional_struct` in this scope
[INFO] [stdout]  --> tests/with_extra_derive.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[optional_struct]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `optional_struct` is in scope, but it is a crate, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalLogConfig` in this scope
[INFO] [stdout]   --> tests/reverse_wrapping.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         log_config: OptionalLogConfig {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `OptionalConfig` in this scope
[INFO] [stdout]   --> tests/with_extra_derive.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let opt_config = OptionalConfig {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/nested.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/skip.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/simple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/nested_skip.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/reverse_wrapping.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "renamed") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optional_struct` (test "tuple_struct") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "generics") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "nested") due to 6 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "simple") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "skip") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "nested_skip") due to 7 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `optional_struct` (test "reverse_wrapping") due to 7 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `optional_struct`
[INFO] [stdout]  --> tests/with_extra_derive.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use optional_struct::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optional_struct` (test "with_extra_derive") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "577360cc6416edce93fd377093f406e64e18e2805ab8e95379d6580f20524f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577360cc6416edce93fd377093f406e64e18e2805ab8e95379d6580f20524f65", kill_on_drop: false }`
[INFO] [stdout] 577360cc6416edce93fd377093f406e64e18e2805ab8e95379d6580f20524f65
