[INFO] fetching crate gpgme 0.11.0...
[INFO] checking gpgme-0.11.0 against 1.95.0 for pr-155915
[INFO] extracting crate gpgme 0.11.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate gpgme 0.11.0
[INFO] finished tweaking crates.io crate gpgme 0.11.0
[INFO] tweaked toml for crates.io crate gpgme 0.11.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gpgme 0.11.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gpgme 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded gpgme-sys v0.11.0
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded gpg-error v0.6.0
[INFO] [stderr]   Downloaded cstr-argument v0.1.2
[INFO] [stderr]   Downloaded libgpg-error-sys v0.6.0
[INFO] [stderr]   Downloaded system-deps v6.0.3
[INFO] [stderr]   Downloaded cfg-expr v0.11.0
[INFO] [stderr]   Downloaded build-rs v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daf363f655a1d03e52381e538a02c8d0d29290985f41733b8b29b23d823800e9
[INFO] running `Command { std: "docker" "start" "-a" "daf363f655a1d03e52381e538a02c8d0d29290985f41733b8b29b23d823800e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf363f655a1d03e52381e538a02c8d0d29290985f41733b8b29b23d823800e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf363f655a1d03e52381e538a02c8d0d29290985f41733b8b29b23d823800e9", kill_on_drop: false }`
[INFO] [stdout] daf363f655a1d03e52381e538a02c8d0d29290985f41733b8b29b23d823800e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdf0fdd77093bb6a5abd52defe2a46b72d47a39207877277e8119b6e893f83d3
[INFO] running `Command { std: "docker" "start" "-a" "cdf0fdd77093bb6a5abd52defe2a46b72d47a39207877277e8119b6e893f83d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking cstr-argument v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling system-deps v6.0.3
[INFO] [stderr]    Compiling libgpg-error-sys v0.6.0
[INFO] [stderr]    Compiling gpgme-sys v0.11.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking gpg-error v0.6.0
[INFO] [stderr]     Checking gpgme v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/engine.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct EngineInfoGuard(RwLockReadGuard<'static, ()>);
[INFO] [stdout]     |            --------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ::std::mem::forget(self);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                argument has type `EngineInfo<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/engine.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     impl_wrapper!(ffi::gpgme_engine_info_t, PhantomData);
[INFO] [stdout]    |     ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |             ::std::mem::forget(self);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `Subkey<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/keys.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     impl_wrapper!(ffi::gpgme_subkey_t, PhantomData);
[INFO] [stdout]     |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |             ::std::mem::forget(self);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `UserId<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/keys.rs:520:5
[INFO] [stdout]     |
[INFO] [stdout] 520 |     impl_wrapper!(ffi::gpgme_user_id_t, PhantomData);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |             ::std::mem::forget(self);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `UserIdSignature<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/keys.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 |     impl_wrapper!(ffi::gpgme_key_sig_t, PhantomData);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ::std::mem::forget(self);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                argument has type `SignatureNotation<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/notation.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     impl_wrapper!(ffi::gpgme_sig_notation_t, PhantomData);
[INFO] [stdout]    |     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |               ::std::mem::forget(self);
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  argument has type `InvalidKey<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/results.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | / impl_subresult! {
[INFO] [stdout] 81 | |     /// Upstream documentation:
[INFO] [stdout] 82 | |     /// [`gpgme_invalid_key_t`](https://www.gnupg.org/documentation/manuals/gpgme/Crypto-Operations.html#index-gpgme_005finvalid_0...
[INFO] [stdout] 83 | |     InvalidKey: ffi::gpgme_invalid_key_t, InvalidKeys, ()
[INFO] [stdout] 84 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `Import<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:284:1
[INFO] [stdout]     |
[INFO] [stdout] 284 | / impl_subresult! {
[INFO] [stdout] 285 | |     /// Upstream documentation:
[INFO] [stdout] 286 | |     /// [`gpgme_import_status_t`](https://www.gnupg.org/documentation/manuals/gpgme/Importing-Keys.html#index-gpgme_005fimport_00...
[INFO] [stdout] 287 | |     Import: ffi::gpgme_import_status_t, Imports, ImportResult
[INFO] [stdout] 288 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `Recipient<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:439:1
[INFO] [stdout]     |
[INFO] [stdout] 439 | / impl_subresult! {
[INFO] [stdout] 440 | |     /// Upstream documentation:
[INFO] [stdout] 441 | |     /// [`gpgme_recipient_t`](https://www.gnupg.org/documentation/manuals/gpgme/Decrypt.html#index-gpgme_005frecipient_005ft)
[INFO] [stdout] 442 | |     Recipient: ffi::gpgme_recipient_t,
[INFO] [stdout] 443 | |     Recipients,
[INFO] [stdout] 444 | |     DecryptionResult
[INFO] [stdout] 445 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `NewSignature<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:510:1
[INFO] [stdout]     |
[INFO] [stdout] 510 | / impl_subresult! {
[INFO] [stdout] 511 | |     /// Upstream documentation:
[INFO] [stdout] 512 | |     /// [`gpgme_new_signature_t`](https://www.gnupg.org/documentation/manuals/gpgme/Creating-a-Signature.html#index-gpgme_005fnew...
[INFO] [stdout] 513 | |     NewSignature: ffi::gpgme_new_signature_t,
[INFO] [stdout] 514 | |     NewSignatures,
[INFO] [stdout] 515 | |     SigningResult
[INFO] [stdout] 516 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `Signature<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:623:1
[INFO] [stdout]     |
[INFO] [stdout] 623 | / impl_subresult! {
[INFO] [stdout] 624 | |     /// Upstream documentation:
[INFO] [stdout] 625 | |     /// [`gpgme_signature_t`](https://www.gnupg.org/documentation/manuals/gpgme/Verify.html#index-gpgme_005fsignature_005ft)
[INFO] [stdout] 626 | |     Signature: ffi::gpgme_signature_t,
[INFO] [stdout] 627 | |     Signatures,
[INFO] [stdout] 628 | |     VerificationResult
[INFO] [stdout] 629 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ::std::mem::forget(self);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                argument has type `TofuInfo<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tofu.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     impl_wrapper!(ffi::gpgme_tofu_info_t, PhantomData);
[INFO] [stdout]    |     -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/engine.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct EngineInfoGuard(RwLockReadGuard<'static, ()>);
[INFO] [stdout]     |            --------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ::std::mem::forget(self);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                argument has type `EngineInfo<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/engine.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     impl_wrapper!(ffi::gpgme_engine_info_t, PhantomData);
[INFO] [stdout]    |     ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |             ::std::mem::forget(self);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `Subkey<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/keys.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     impl_wrapper!(ffi::gpgme_subkey_t, PhantomData);
[INFO] [stdout]     |     ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |             ::std::mem::forget(self);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `UserId<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/keys.rs:520:5
[INFO] [stdout]     |
[INFO] [stdout] 520 |     impl_wrapper!(ffi::gpgme_user_id_t, PhantomData);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |             ::std::mem::forget(self);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                argument has type `UserIdSignature<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/keys.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 697 |     impl_wrapper!(ffi::gpgme_key_sig_t, PhantomData);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ::std::mem::forget(self);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                argument has type `SignatureNotation<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/notation.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     impl_wrapper!(ffi::gpgme_sig_notation_t, PhantomData);
[INFO] [stdout]    |     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |               ::std::mem::forget(self);
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  argument has type `InvalidKey<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/results.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | / impl_subresult! {
[INFO] [stdout] 81 | |     /// Upstream documentation:
[INFO] [stdout] 82 | |     /// [`gpgme_invalid_key_t`](https://www.gnupg.org/documentation/manuals/gpgme/Crypto-Operations.html#index-gpgme_005finvalid_0...
[INFO] [stdout] 83 | |     InvalidKey: ffi::gpgme_invalid_key_t, InvalidKeys, ()
[INFO] [stdout] 84 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `Import<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:284:1
[INFO] [stdout]     |
[INFO] [stdout] 284 | / impl_subresult! {
[INFO] [stdout] 285 | |     /// Upstream documentation:
[INFO] [stdout] 286 | |     /// [`gpgme_import_status_t`](https://www.gnupg.org/documentation/manuals/gpgme/Importing-Keys.html#index-gpgme_005fimport_00...
[INFO] [stdout] 287 | |     Import: ffi::gpgme_import_status_t, Imports, ImportResult
[INFO] [stdout] 288 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `Recipient<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:439:1
[INFO] [stdout]     |
[INFO] [stdout] 439 | / impl_subresult! {
[INFO] [stdout] 440 | |     /// Upstream documentation:
[INFO] [stdout] 441 | |     /// [`gpgme_recipient_t`](https://www.gnupg.org/documentation/manuals/gpgme/Decrypt.html#index-gpgme_005frecipient_005ft)
[INFO] [stdout] 442 | |     Recipient: ffi::gpgme_recipient_t,
[INFO] [stdout] 443 | |     Recipients,
[INFO] [stdout] 444 | |     DecryptionResult
[INFO] [stdout] 445 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `NewSignature<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:510:1
[INFO] [stdout]     |
[INFO] [stdout] 510 | / impl_subresult! {
[INFO] [stdout] 511 | |     /// Upstream documentation:
[INFO] [stdout] 512 | |     /// [`gpgme_new_signature_t`](https://www.gnupg.org/documentation/manuals/gpgme/Creating-a-Signature.html#index-gpgme_005fnew...
[INFO] [stdout] 513 | |     NewSignature: ffi::gpgme_new_signature_t,
[INFO] [stdout] 514 | |     NewSignatures,
[INFO] [stdout] 515 | |     SigningResult
[INFO] [stdout] 516 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/utils.rs:26:13
[INFO] [stdout]     |
[INFO] [stdout]  26 |               ::std::mem::forget(self);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  argument has type `Signature<'_>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/results.rs:623:1
[INFO] [stdout]     |
[INFO] [stdout] 623 | / impl_subresult! {
[INFO] [stdout] 624 | |     /// Upstream documentation:
[INFO] [stdout] 625 | |     /// [`gpgme_signature_t`](https://www.gnupg.org/documentation/manuals/gpgme/Verify.html#index-gpgme_005fsignature_005ft)
[INFO] [stdout] 626 | |     Signature: ffi::gpgme_signature_t,
[INFO] [stdout] 627 | |     Signatures,
[INFO] [stdout] 628 | |     VerificationResult
[INFO] [stdout] 629 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_wrapper` which comes from the expansion of the macro `impl_subresult` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout]  26 -             ::std::mem::forget(self);
[INFO] [stdout]  26 +             let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/utils.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ::std::mem::forget(self);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^----^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                argument has type `TofuInfo<'_>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tofu.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     impl_wrapper!(ffi::gpgme_tofu_info_t, PhantomData);
[INFO] [stdout]    |     -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 26 -             ::std::mem::forget(self);
[INFO] [stdout] 26 +             let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.12s
[INFO] running `Command { std: "docker" "inspect" "cdf0fdd77093bb6a5abd52defe2a46b72d47a39207877277e8119b6e893f83d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf0fdd77093bb6a5abd52defe2a46b72d47a39207877277e8119b6e893f83d3", kill_on_drop: false }`
[INFO] [stdout] cdf0fdd77093bb6a5abd52defe2a46b72d47a39207877277e8119b6e893f83d3
