[INFO] fetching crate interoptopus_backend_cpython 0.14.19...
[INFO] testing interoptopus_backend_cpython-0.14.19 against 1.75.0 for beta-1.76-1
[INFO] extracting crate interoptopus_backend_cpython 0.14.19 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate interoptopus_backend_cpython 0.14.19 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interoptopus_backend_cpython 0.14.19
[INFO] finished tweaking crates.io crate interoptopus_backend_cpython 0.14.19
[INFO] tweaked toml for crates.io crate interoptopus_backend_cpython 0.14.19 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus_proc v0.14.19
[INFO] [stderr]   Downloaded interoptopus v0.14.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 795aed30ef04c9f9ab800ef8d1ebcebb7aab8ae35974bcd48d0f27a03bfce4ca
[INFO] running `Command { std: "docker" "start" "-a" "795aed30ef04c9f9ab800ef8d1ebcebb7aab8ae35974bcd48d0f27a03bfce4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795aed30ef04c9f9ab800ef8d1ebcebb7aab8ae35974bcd48d0f27a03bfce4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795aed30ef04c9f9ab800ef8d1ebcebb7aab8ae35974bcd48d0f27a03bfce4ca", kill_on_drop: false }`
[INFO] [stdout] 795aed30ef04c9f9ab800ef8d1ebcebb7aab8ae35974bcd48d0f27a03bfce4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94b2248f9f6b8237d2f9af44069f224584881a8fc0708198e299ca4e2200553a
[INFO] running `Command { std: "docker" "start" "-a" "94b2248f9f6b8237d2f9af44069f224584881a8fc0708198e299ca4e2200553a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling interoptopus_proc v0.14.19
[INFO] [stderr]    Compiling interoptopus v0.14.19
[INFO] [stderr]    Compiling interoptopus_backend_cpython v0.14.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "94b2248f9f6b8237d2f9af44069f224584881a8fc0708198e299ca4e2200553a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b2248f9f6b8237d2f9af44069f224584881a8fc0708198e299ca4e2200553a", kill_on_drop: false }`
[INFO] [stdout] 94b2248f9f6b8237d2f9af44069f224584881a8fc0708198e299ca4e2200553a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aa099abb79e28ea1e5034adae33d34ec47de5a7a6936ef19a2307e83692bbaf
[INFO] running `Command { std: "docker" "start" "-a" "5aa099abb79e28ea1e5034adae33d34ec47de5a7a6936ef19a2307e83692bbaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling interoptopus_backend_cpython v0.14.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout]  --> tests/backend_cpython_ui.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Generator::new(Config::default(), interoptopus_reference_project::ffi_inventory()).write_file(output)
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout]   --> tests/backend_cpython_ui.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let inventory = interoptopus_reference_project::ffi_inventory();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout]   --> tests/backend_cpython_ui.rs:15:55
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let generator = Generator::new(Config::default(), interoptopus_reference_project::ffi_inventory());
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interoptopus_backend_cpython` (test "backend_cpython_ui") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5aa099abb79e28ea1e5034adae33d34ec47de5a7a6936ef19a2307e83692bbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa099abb79e28ea1e5034adae33d34ec47de5a7a6936ef19a2307e83692bbaf", kill_on_drop: false }`
[INFO] [stdout] 5aa099abb79e28ea1e5034adae33d34ec47de5a7a6936ef19a2307e83692bbaf
