[INFO] fetching crate interoptopus_backend_cpython_cffi 0.13.8...
[INFO] checking interoptopus_backend_cpython_cffi-0.13.8 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate interoptopus_backend_cpython_cffi 0.13.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate interoptopus_backend_cpython_cffi 0.13.8 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus_backend_c v0.13.13
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7dbe9670f1bc6289cd6788d1121435629d4e52ff572d61c6f91a295065ed33f
[INFO] running `Command { std: "docker" "start" "-a" "e7dbe9670f1bc6289cd6788d1121435629d4e52ff572d61c6f91a295065ed33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7dbe9670f1bc6289cd6788d1121435629d4e52ff572d61c6f91a295065ed33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dbe9670f1bc6289cd6788d1121435629d4e52ff572d61c6f91a295065ed33f", kill_on_drop: false }`
[INFO] [stdout] e7dbe9670f1bc6289cd6788d1121435629d4e52ff572d61c6f91a295065ed33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a014205bdb0c1cd3ff143138d3f4a4dd4d6725117e126ca73365b2d2b51012e8
[INFO] running `Command { std: "docker" "start" "-a" "a014205bdb0c1cd3ff143138d3f4a4dd4d6725117e126ca73365b2d2b51012e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[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]     Checking interoptopus v0.13.15
[INFO] [stderr]     Checking interoptopus_backend_c v0.13.13
[INFO] [stderr]     Checking interoptopus_backend_cpython_cffi v0.13.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[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 undeclared crate or module `interoptopus_reference_project`
[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] running `Command { std: "docker" "inspect" "a014205bdb0c1cd3ff143138d3f4a4dd4d6725117e126ca73365b2d2b51012e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a014205bdb0c1cd3ff143138d3f4a4dd4d6725117e126ca73365b2d2b51012e8", kill_on_drop: false }`
[INFO] [stdout] a014205bdb0c1cd3ff143138d3f4a4dd4d6725117e126ca73365b2d2b51012e8
