[INFO] fetching crate pen-ffi-macro 0.5.0...
[INFO] checking pen-ffi-macro-0.5.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate pen-ffi-macro 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate pen-ffi-macro 0.5.0
[INFO] finished tweaking crates.io crate pen-ffi-macro 0.5.0
[INFO] tweaked toml for crates.io crate pen-ffi-macro 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pen-ffi-macro 0.5.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeb6393829d009f9dc3680f2db6ed5b3f247e3b21d5faf272c446905619e41b9
[INFO] running `Command { std: "docker" "start" "-a" "aeb6393829d009f9dc3680f2db6ed5b3f247e3b21d5faf272c446905619e41b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb6393829d009f9dc3680f2db6ed5b3f247e3b21d5faf272c446905619e41b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb6393829d009f9dc3680f2db6ed5b3f247e3b21d5faf272c446905619e41b9", kill_on_drop: false }`
[INFO] [stdout] aeb6393829d009f9dc3680f2db6ed5b3f247e3b21d5faf272c446905619e41b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13aa802433a8e6e67adcff30fbf2e7a3fdefc11e6bb47cfc6669fd4efde6eadc
[INFO] running `Command { std: "docker" "start" "-a" "13aa802433a8e6e67adcff30fbf2e7a3fdefc11e6bb47cfc6669fd4efde6eadc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking pen-ffi-macro v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/type_.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[into_any(crate = "pen_ffi", into_fn = "foo_to_any")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `into_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pen_ffi`
[INFO] [stdout]  --> tests/function.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pen_ffi::{ByteString, Number};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]  --> tests/type_.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[any(crate = "pen_ffi")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the attribute macro `any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]  --> tests/type_.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[any(crate = "pen_ffi")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the attribute macro `any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]  --> tests/function.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is an enum variant `core::option::Option::None` and 9 others; try using the variant's enum
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 4 + core::option::Option
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 4 + proc_macro2::Delimiter
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 4 + quote::__private::Option
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 4 + std::option::Option
[INFO] [stdout]   |
[INFO] [stdout]   = and 5 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]  --> tests/function.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]  --> tests/function.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is an enum variant `core::option::Option::None` and 9 others; try using the variant's enum
[INFO] [stdout]   |
[INFO] [stdout] 7 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 7 + core::option::Option
[INFO] [stdout]   |
[INFO] [stdout] 7 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 7 + proc_macro2::Delimiter
[INFO] [stdout]   |
[INFO] [stdout] 7 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 7 + quote::__private::Option
[INFO] [stdout]   |
[INFO] [stdout] 7 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 7 + std::option::Option
[INFO] [stdout]   |
[INFO] [stdout]   = and 5 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `foo_to_any` in this scope
[INFO] [stdout]   --> tests/type_.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[into_any(crate = "pen_ffi", into_fn = "foo_to_any")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `into_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/type_.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[into_any(crate = "pen_ffi", into_fn = "foo_to_any")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `into_any` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pen-ffi-macro` (test "type_") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is an enum variant `core::option::Option::None` and 9 others; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 20 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 20 + core::option::Option
[INFO] [stdout]    |
[INFO] [stdout] 20 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 20 + proc_macro2::Delimiter
[INFO] [stdout]    |
[INFO] [stdout] 20 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 20 + quote::__private::Option
[INFO] [stdout]    |
[INFO] [stdout] 20 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 20 + std::option::Option
[INFO] [stdout]    |
[INFO] [stdout]    = and 5 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is an enum variant `core::option::Option::None` and 9 others; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 58 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 58 + core::option::Option
[INFO] [stdout]    |
[INFO] [stdout] 58 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 58 + proc_macro2::Delimiter
[INFO] [stdout]    |
[INFO] [stdout] 58 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 58 + quote::__private::Option
[INFO] [stdout]    |
[INFO] [stdout] 58 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 58 + std::option::Option
[INFO] [stdout]    |
[INFO] [stdout]    = and 5 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is an enum variant `core::option::Option::None` and 9 others; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 65 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 65 + core::option::Option
[INFO] [stdout]    |
[INFO] [stdout] 65 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 65 + proc_macro2::Delimiter
[INFO] [stdout]    |
[INFO] [stdout] 65 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 65 + quote::__private::Option
[INFO] [stdout]    |
[INFO] [stdout] 65 - #[bindgen(crate = "pen_ffi")]
[INFO] [stdout] 65 + std::option::Option
[INFO] [stdout]    |
[INFO] [stdout]    = and 5 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]  --> tests/function.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]   = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]   --> tests/function.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[bindgen(crate = "pen_ffi")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pen_ffi`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `pen_ffi`, use `cargo add pen_ffi` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the attribute macro `bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pen-ffi-macro` (test "function") due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "13aa802433a8e6e67adcff30fbf2e7a3fdefc11e6bb47cfc6669fd4efde6eadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13aa802433a8e6e67adcff30fbf2e7a3fdefc11e6bb47cfc6669fd4efde6eadc", kill_on_drop: false }`
[INFO] [stdout] 13aa802433a8e6e67adcff30fbf2e7a3fdefc11e6bb47cfc6669fd4efde6eadc