[INFO] fetching crate interoptopus_backend_cpython_cffi 0.2.7...
[INFO] checking interoptopus_backend_cpython_cffi-0.2.7 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate interoptopus_backend_cpython_cffi 0.2.7 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate interoptopus_backend_cpython_cffi 0.2.7 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interoptopus_backend_cpython_cffi 0.2.7
[INFO] finished tweaking crates.io crate interoptopus_backend_cpython_cffi 0.2.7
[INFO] tweaked toml for crates.io crate interoptopus_backend_cpython_cffi 0.2.7 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acaac2e6cac9dad4a6a888eeb9f5ac43d172ba7aa501bb00bc23867e18361313
[INFO] running `Command { std: "docker" "start" "-a" "acaac2e6cac9dad4a6a888eeb9f5ac43d172ba7aa501bb00bc23867e18361313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acaac2e6cac9dad4a6a888eeb9f5ac43d172ba7aa501bb00bc23867e18361313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acaac2e6cac9dad4a6a888eeb9f5ac43d172ba7aa501bb00bc23867e18361313", kill_on_drop: false }`
[INFO] [stdout] acaac2e6cac9dad4a6a888eeb9f5ac43d172ba7aa501bb00bc23867e18361313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f57ad158446735f301888d6608445d5082c0468d71f83a40d0c5cd7152a8f0
[INFO] running `Command { std: "docker" "start" "-a" "d7f57ad158446735f301888d6608445d5082c0468d71f83a40d0c5cd7152a8f0", kill_on_drop: false }`
[INFO] [stderr]     Checking interoptopus v0.2.5
[INFO] [stderr]     Checking interoptopus_backend_c v0.2.7
[INFO] [stderr]     Checking interoptopus_backend_cpython_cffi v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `testing` in `interoptopus`
[INFO] [stdout]  --> tests/backend_cpython_cffi_ui.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use interoptopus::testing::python::run_python_if_installed;
[INFO] [stdout]   |                   ^^^^^^^ could not find `testing` in `interoptopus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `interoptopus::testing`
[INFO] [stdout]  --> tests/backend_cpython_cffi_ui.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use interoptopus::testing::assert_file_matches_generated;
[INFO] [stdout]   |                   ^^^^^^^ could not find `testing` in `interoptopus`
[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_cffi_ui.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 |     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[E0425]: cannot find function `run_python_if_installed` in this scope
[INFO] [stdout]   --> tests/backend_cpython_cffi_ui.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let output = run_python_if_installed("tests/output/", "tests.py")?;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interoptopus_backend_cpython_cffi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d7f57ad158446735f301888d6608445d5082c0468d71f83a40d0c5cd7152a8f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f57ad158446735f301888d6608445d5082c0468d71f83a40d0c5cd7152a8f0", kill_on_drop: false }`
[INFO] [stdout] d7f57ad158446735f301888d6608445d5082c0468d71f83a40d0c5cd7152a8f0