[INFO] fetching crate interoptopus_backend_cpython_cffi 0.4.0...
[INFO] testing interoptopus_backend_cpython_cffi-0.4.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate interoptopus_backend_cpython_cffi 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate interoptopus_backend_cpython_cffi 0.4.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interoptopus_backend_cpython_cffi 0.4.0
[INFO] finished tweaking crates.io crate interoptopus_backend_cpython_cffi 0.4.0
[INFO] tweaked toml for crates.io crate interoptopus_backend_cpython_cffi 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus_backend_c v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba64133f62ad6ca932f7eb54443eadc91147fc711f222627f964015bbb3e7028
[INFO] running `Command { std: "docker" "start" "-a" "ba64133f62ad6ca932f7eb54443eadc91147fc711f222627f964015bbb3e7028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba64133f62ad6ca932f7eb54443eadc91147fc711f222627f964015bbb3e7028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba64133f62ad6ca932f7eb54443eadc91147fc711f222627f964015bbb3e7028", kill_on_drop: false }`
[INFO] [stdout] ba64133f62ad6ca932f7eb54443eadc91147fc711f222627f964015bbb3e7028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b4e5e512ce32c5af4792d170d55aaff690e69f26759568b58657e594c6931b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1b4e5e512ce32c5af4792d170d55aaff690e69f26759568b58657e594c6931b", kill_on_drop: false }`
[INFO] [stderr]    Compiling interoptopus_backend_c v0.4.0
[INFO] [stderr]    Compiling interoptopus_backend_cpython_cffi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "b1b4e5e512ce32c5af4792d170d55aaff690e69f26759568b58657e594c6931b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b4e5e512ce32c5af4792d170d55aaff690e69f26759568b58657e594c6931b", kill_on_drop: false }`
[INFO] [stdout] b1b4e5e512ce32c5af4792d170d55aaff690e69f26759568b58657e594c6931b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80b77a2ff656e745dae64599d60ab55be1e3e0827fb5417a4ad655729e2151b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80b77a2ff656e745dae64599d60ab55be1e3e0827fb5417a4ad655729e2151b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling interoptopus_backend_cpython_cffi v0.4.0 (/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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "80b77a2ff656e745dae64599d60ab55be1e3e0827fb5417a4ad655729e2151b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b77a2ff656e745dae64599d60ab55be1e3e0827fb5417a4ad655729e2151b6", kill_on_drop: false }`
[INFO] [stdout] 80b77a2ff656e745dae64599d60ab55be1e3e0827fb5417a4ad655729e2151b6