[INFO] fetching crate wai-bindgen-gen-c 0.2.3...
[INFO] testing wai-bindgen-gen-c-0.2.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate wai-bindgen-gen-c 0.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate wai-bindgen-gen-c 0.2.3
[INFO] finished tweaking crates.io crate wai-bindgen-gen-c 0.2.3
[INFO] tweaked toml for crates.io crate wai-bindgen-gen-c 0.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wai-bindgen-gen-c 0.2.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wai-bindgen-gen-core v0.2.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded wai-parser v0.2.3
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 497c4ee0f97fc44a729c81e0e7bf65c6e8c388e034e69694aef188e17267717c
[INFO] running `Command { std: "docker" "start" "-a" "497c4ee0f97fc44a729c81e0e7bf65c6e8c388e034e69694aef188e17267717c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497c4ee0f97fc44a729c81e0e7bf65c6e8c388e034e69694aef188e17267717c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497c4ee0f97fc44a729c81e0e7bf65c6e8c388e034e69694aef188e17267717c", kill_on_drop: false }`
[INFO] [stdout] 497c4ee0f97fc44a729c81e0e7bf65c6e8c388e034e69694aef188e17267717c
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d9c9ee3c9294d587a8fe776746def78ad7872f7f5b0532a06f521b30c4c12f6
[INFO] running `Command { std: "docker" "start" "-a" "1d9c9ee3c9294d587a8fe776746def78ad7872f7f5b0532a06f521b30c4c12f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling id-arena v2.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling wai-bindgen-gen-c v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling wai-parser v0.2.3
[INFO] [stderr]    Compiling wai-bindgen-gen-core v0.2.3
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:946:9
[INFO] [stdout]     |
[INFO] [stdout] 946 |         drop((iface, ty));
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(&wai_bindgen_gen_core::wai_parser::Interface, id_arena::Id<Resource>)`
[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] 946 -         drop((iface, ty));
[INFO] [stdout] 946 +         let _ = (iface, ty);
[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:976:9
[INFO] [stdout]     |
[INFO] [stdout] 976 |         drop((iface, _id, name, ty, docs));
[INFO] [stdout]     |         ^^^^^----------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(&Interface, Id<TypeDef>, &str, &Type, &Docs)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/wai_bindgen_gen_c-8b7b0b7d04e9754a.long-type-1869098571187854179.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 976 -         drop((iface, _id, name, ty, docs));
[INFO] [stdout] 976 +         let _ = (iface, _id, name, ty, docs);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "1d9c9ee3c9294d587a8fe776746def78ad7872f7f5b0532a06f521b30c4c12f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9c9ee3c9294d587a8fe776746def78ad7872f7f5b0532a06f521b30c4c12f6", kill_on_drop: false }`
[INFO] [stdout] 1d9c9ee3c9294d587a8fe776746def78ad7872f7f5b0532a06f521b30c4c12f6
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61c06a9233f306704d2cdd351ef13d017868fcaf16a5daa56c5aa81001b90e53
[INFO] running `Command { std: "docker" "start" "-a" "61c06a9233f306704d2cdd351ef13d017868fcaf16a5daa56c5aa81001b90e53", kill_on_drop: false }`
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:946:9
[INFO] [stdout]     |
[INFO] [stdout] 946 |         drop((iface, ty));
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(&wai_bindgen_gen_core::wai_parser::Interface, id_arena::Id<Resource>)`
[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] 946 -         drop((iface, ty));
[INFO] [stdout] 946 +         let _ = (iface, ty);
[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:976:9
[INFO] [stdout]     |
[INFO] [stdout] 976 |         drop((iface, _id, name, ty, docs));
[INFO] [stdout]     |         ^^^^^----------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `(&Interface, Id<TypeDef>, &str, &Type, &Docs)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/wai_bindgen_gen_c-8b7b0b7d04e9754a.long-type-1869098571187854179.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 976 -         drop((iface, _id, name, ty, docs));
[INFO] [stdout] 976 +         let _ = (iface, _id, name, ty, docs);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wai-bindgen-gen-c v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `test_helpers` in this scope
[INFO] [stdout]  --> tests/codegen.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     test_helpers::codegen_c_import!(
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `test_helpers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `test_helpers` in this scope
[INFO] [stdout]   --> tests/codegen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     test_helpers::codegen_c_export!(
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `test_helpers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wai-bindgen-gen-c` (test "codegen") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "61c06a9233f306704d2cdd351ef13d017868fcaf16a5daa56c5aa81001b90e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c06a9233f306704d2cdd351ef13d017868fcaf16a5daa56c5aa81001b90e53", kill_on_drop: false }`
[INFO] [stdout] 61c06a9233f306704d2cdd351ef13d017868fcaf16a5daa56c5aa81001b90e53
