[INFO] fetching crate linera-wit-bindgen-core 0.2.0...
[INFO] testing linera-wit-bindgen-core-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate linera-wit-bindgen-core 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate linera-wit-bindgen-core 0.2.0
[INFO] finished tweaking crates.io crate linera-wit-bindgen-core 0.2.0
[INFO] tweaked toml for crates.io crate linera-wit-bindgen-core 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linera-wit-bindgen-core 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.25
[INFO] [stderr]   Downloaded unicase v2.8.1
[INFO] [stderr]   Downloaded linera-wit-parser v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f6b5a1491687658e6dc4b59c41d61389ea6aab3d59470a09c675bc887b8dc6d
[INFO] running `Command { std: "docker" "start" "-a" "8f6b5a1491687658e6dc4b59c41d61389ea6aab3d59470a09c675bc887b8dc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f6b5a1491687658e6dc4b59c41d61389ea6aab3d59470a09c675bc887b8dc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6b5a1491687658e6dc4b59c41d61389ea6aab3d59470a09c675bc887b8dc6d", kill_on_drop: false }`
[INFO] [stdout] 8f6b5a1491687658e6dc4b59c41d61389ea6aab3d59470a09c675bc887b8dc6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6748c56ab3b4d6707a9605483b104bd3a1feb76f826df5adac124d55abb9cd75
[INFO] running `Command { std: "docker" "start" "-a" "6748c56ab3b4d6707a9605483b104bd3a1feb76f826df5adac124d55abb9cd75", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling linera-wit-parser v0.2.0
[INFO] [stderr]    Compiling linera-wit-bindgen-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         drop((imports, exports));
[INFO] [stdout]    |         ^^^^^------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[linera_wit_parser::Interface], &[linera_wit_parser::Interface])`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 44 -         drop((imports, exports));
[INFO] [stdout] 44 +         let _ = (imports, exports);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -         drop((iface, dir));
[INFO] [stdout] 48 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -         drop((iface, dir));
[INFO] [stdout] 93 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 97 -         drop((iface, dir));
[INFO] [stdout] 97 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         drop((iface, dir));
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 102 -         drop((iface, dir));
[INFO] [stdout] 102 +         let _ = (iface, dir);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         drop(files);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Files`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 108 -         drop(files);
[INFO] [stdout] 108 +         let _ = files;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "6748c56ab3b4d6707a9605483b104bd3a1feb76f826df5adac124d55abb9cd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6748c56ab3b4d6707a9605483b104bd3a1feb76f826df5adac124d55abb9cd75", kill_on_drop: false }`
[INFO] [stdout] 6748c56ab3b4d6707a9605483b104bd3a1feb76f826df5adac124d55abb9cd75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec32e2b4f9e0fb1866b2da5767b2d5c526de2095862d3d80867b756e0d9bc940
[INFO] running `Command { std: "docker" "start" "-a" "ec32e2b4f9e0fb1866b2da5767b2d5c526de2095862d3d80867b756e0d9bc940", kill_on_drop: false }`
[INFO] [stderr]    Compiling linera-wit-bindgen-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         drop((imports, exports));
[INFO] [stdout]    |         ^^^^^------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[linera_wit_parser::Interface], &[linera_wit_parser::Interface])`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 44 -         drop((imports, exports));
[INFO] [stdout] 44 +         let _ = (imports, exports);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -         drop((iface, dir));
[INFO] [stdout] 48 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -         drop((iface, dir));
[INFO] [stdout] 93 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 97 -         drop((iface, dir));
[INFO] [stdout] 97 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         drop((iface, dir));
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 102 -         drop((iface, dir));
[INFO] [stdout] 102 +         let _ = (iface, dir);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         drop(files);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Files`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 108 -         drop(files);
[INFO] [stdout] 108 +         let _ = files;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ec32e2b4f9e0fb1866b2da5767b2d5c526de2095862d3d80867b756e0d9bc940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec32e2b4f9e0fb1866b2da5767b2d5c526de2095862d3d80867b756e0d9bc940", kill_on_drop: false }`
[INFO] [stdout] ec32e2b4f9e0fb1866b2da5767b2d5c526de2095862d3d80867b756e0d9bc940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34994eaec1b4ea8825268d185945883a9567cd8923a4edbac929058d91574832
[INFO] running `Command { std: "docker" "start" "-a" "34994eaec1b4ea8825268d185945883a9567cd8923a4edbac929058d91574832", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]   --> src/lib.rs:44:9
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 44 |         drop((imports, exports));
[INFO] [stdout] running 5 tests
[INFO] [stderr]    |         ^^^^^------------------^
[INFO] [stdout] test tests::if_else ... ok
[INFO] [stderr]    |              |
[INFO] [stdout] test tests::newline_remap ... ok
[INFO] [stderr]    |              argument has type `(&[linera_wit_parser::Interface], &[linera_wit_parser::Interface])`
[INFO] [stdout] test tests::simple_append ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::trim_ws ... ok
[INFO] [stderr]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] test tests::generator_is_object_safe ... ok
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 44 -         drop((imports, exports));
[INFO] [stdout] 
[INFO] [stderr] 44 +         let _ = (imports, exports);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]   --> src/lib.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         drop((iface, dir));
[INFO] [stderr]    |         ^^^^^------------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 48 -         drop((iface, dir));
[INFO] [stderr] 48 +         let _ = (iface, dir);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]   --> src/lib.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         drop((iface, dir));
[INFO] [stderr]    |         ^^^^^------------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 93 -         drop((iface, dir));
[INFO] [stderr] 93 +         let _ = (iface, dir);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]   --> src/lib.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         drop((iface, dir));
[INFO] [stderr]    |         ^^^^^------------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 97 -         drop((iface, dir));
[INFO] [stderr] 97 +         let _ = (iface, dir);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/lib.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         drop((iface, dir));
[INFO] [stderr]     |         ^^^^^------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `(&linera_wit_parser::Interface, Direction)`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 102 -         drop((iface, dir));
[INFO] [stderr] 102 +         let _ = (iface, dir);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/lib.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         drop(files);
[INFO] [stderr]     |         ^^^^^-----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut Files`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 108 -         drop(files);
[INFO] [stderr] 108 +         let _ = files;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `linera-wit-bindgen-core` (lib test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linera_wit_bindgen_core-8cea758b54479ba3)
[INFO] running `Command { std: "docker" "inspect" "34994eaec1b4ea8825268d185945883a9567cd8923a4edbac929058d91574832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34994eaec1b4ea8825268d185945883a9567cd8923a4edbac929058d91574832", kill_on_drop: false }`
[INFO] [stdout] 34994eaec1b4ea8825268d185945883a9567cd8923a4edbac929058d91574832
