[INFO] fetching crate interoptopus_backend_csharp 0.9.1...
[INFO] checking interoptopus_backend_csharp-0.9.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate interoptopus_backend_csharp 0.9.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate interoptopus_backend_csharp 0.9.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interoptopus_backend_csharp 0.9.1
[INFO] finished tweaking crates.io crate interoptopus_backend_csharp 0.9.1
[INFO] tweaked toml for crates.io crate interoptopus_backend_csharp 0.9.1 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f186fcf7da0484b038db5fd32ea3471e591c36bf3d7e17c5103b556420694b96
[INFO] running `Command { std: "docker" "start" "-a" "f186fcf7da0484b038db5fd32ea3471e591c36bf3d7e17c5103b556420694b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f186fcf7da0484b038db5fd32ea3471e591c36bf3d7e17c5103b556420694b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f186fcf7da0484b038db5fd32ea3471e591c36bf3d7e17c5103b556420694b96", kill_on_drop: false }`
[INFO] [stdout] f186fcf7da0484b038db5fd32ea3471e591c36bf3d7e17c5103b556420694b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dcb707e41a0701e027c2c73d487450e96939ca6807b2bcaf7111acf62946034
[INFO] running `Command { std: "docker" "start" "-a" "0dcb707e41a0701e027c2c73d487450e96939ca6807b2bcaf7111acf62946034", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling interoptopus_proc v0.9.0
[INFO] [stderr]     Checking interoptopus v0.9.4
[INFO] [stderr]     Checking interoptopus_backend_csharp v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout]   --> tests/backend_csharp_ui.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let library = 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_csharp_ui.rs:38:40
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Generator::new(config.clone(), interoptopus_reference_project::ffi_inventory()).write_file(file_name)?;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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_csharp` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0dcb707e41a0701e027c2c73d487450e96939ca6807b2bcaf7111acf62946034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcb707e41a0701e027c2c73d487450e96939ca6807b2bcaf7111acf62946034", kill_on_drop: false }`
[INFO] [stdout] 0dcb707e41a0701e027c2c73d487450e96939ca6807b2bcaf7111acf62946034