[INFO] fetching crate interoptopus_backend_cpython_cffi 0.13.8...
[INFO] testing interoptopus_backend_cpython_cffi-0.13.8 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate interoptopus_backend_cpython_cffi 0.13.8 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate interoptopus_backend_cpython_cffi 0.13.8
[INFO] finished tweaking crates.io crate interoptopus_backend_cpython_cffi 0.13.8
[INFO] tweaked toml for crates.io crate interoptopus_backend_cpython_cffi 0.13.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate interoptopus_backend_cpython_cffi 0.13.8 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding interoptopus v0.13.15 (available: v0.14.27)
[INFO] [stderr]       Adding interoptopus_backend_c v0.13.13 (available: v0.14.25)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded interoptopus_backend_c v0.13.13
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded interoptopus_proc v0.13.13
[INFO] [stderr]   Downloaded interoptopus v0.13.15
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9b408529ce7157b12fa2062e5f38893f59cd3f37a9aa73ce90560e9c565695f
[INFO] running `Command { std: "docker" "start" "-a" "b9b408529ce7157b12fa2062e5f38893f59cd3f37a9aa73ce90560e9c565695f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b408529ce7157b12fa2062e5f38893f59cd3f37a9aa73ce90560e9c565695f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b408529ce7157b12fa2062e5f38893f59cd3f37a9aa73ce90560e9c565695f", kill_on_drop: false }`
[INFO] [stdout] b9b408529ce7157b12fa2062e5f38893f59cd3f37a9aa73ce90560e9c565695f
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae6db7c8891efa809390c824c8347255f79dc541d4f16f2104c15671f9613e70
[INFO] running `Command { std: "docker" "start" "-a" "ae6db7c8891efa809390c824c8347255f79dc541d4f16f2104c15671f9613e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling interoptopus_proc v0.13.13
[INFO] [stderr]    Compiling interoptopus v0.13.15
[INFO] [stderr]    Compiling interoptopus_backend_c v0.13.13
[INFO] [stderr]    Compiling interoptopus_backend_cpython_cffi v0.13.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "ae6db7c8891efa809390c824c8347255f79dc541d4f16f2104c15671f9613e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6db7c8891efa809390c824c8347255f79dc541d4f16f2104c15671f9613e70", kill_on_drop: false }`
[INFO] [stdout] ae6db7c8891efa809390c824c8347255f79dc541d4f16f2104c15671f9613e70
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e07cdedb3929704cb6800a7b9dc0c03c2f9b971ec8a0fdbb835ff466fc7516eb
[INFO] running `Command { std: "docker" "start" "-a" "e07cdedb3929704cb6800a7b9dc0c03c2f9b971ec8a0fdbb835ff466fc7516eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling interoptopus_backend_cpython_cffi v0.13.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `interoptopus_reference_project` in this scope
[INFO] [stdout]  --> tests/backend_cpython_cffi_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 unresolved module or unlinked crate `interoptopus_reference_project`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `interoptopus_reference_project`, use `cargo add interoptopus_reference_project` to add it to your `Cargo.toml`
[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_cffi` (test "backend_cpython_cffi_ui") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e07cdedb3929704cb6800a7b9dc0c03c2f9b971ec8a0fdbb835ff466fc7516eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07cdedb3929704cb6800a7b9dc0c03c2f9b971ec8a0fdbb835ff466fc7516eb", kill_on_drop: false }`
[INFO] [stdout] e07cdedb3929704cb6800a7b9dc0c03c2f9b971ec8a0fdbb835ff466fc7516eb