[INFO] fetching crate interoptopus_backend_c 0.14.18...
[INFO] checking interoptopus_backend_c-0.14.18 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate interoptopus_backend_c 0.14.18 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate interoptopus_backend_c 0.14.18 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interoptopus_backend_c 0.14.18
[INFO] finished tweaking crates.io crate interoptopus_backend_c 0.14.18
[INFO] tweaked toml for crates.io crate interoptopus_backend_c 0.14.18 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus_proc v0.14.23
[INFO] [stderr]   Downloaded interoptopus v0.14.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb406b287921777f2a01fd9c20b2999c53f658d726852e68f38c1dc73c63b44
[INFO] running `Command { std: "docker" "start" "-a" "3fb406b287921777f2a01fd9c20b2999c53f658d726852e68f38c1dc73c63b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb406b287921777f2a01fd9c20b2999c53f658d726852e68f38c1dc73c63b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb406b287921777f2a01fd9c20b2999c53f658d726852e68f38c1dc73c63b44", kill_on_drop: false }`
[INFO] [stdout] 3fb406b287921777f2a01fd9c20b2999c53f658d726852e68f38c1dc73c63b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb1a8f37b7d880495ac4106fd27ceb860afe388abcd67cca81b3a925b1258fb
[INFO] running `Command { std: "docker" "start" "-a" "ceb1a8f37b7d880495ac4106fd27ceb860afe388abcd67cca81b3a925b1258fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking heck v0.4.1
[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 v0.14.23
[INFO] [stderr]     Checking interoptopus v0.14.23
[INFO] [stderr]     Checking interoptopus_backend_c v0.14.18 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout]   --> tests/backend_c_ui.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let inventory = interoptopus_reference_project::ffi_inventory();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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_c` (test "backend_c_ui") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ceb1a8f37b7d880495ac4106fd27ceb860afe388abcd67cca81b3a925b1258fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb1a8f37b7d880495ac4106fd27ceb860afe388abcd67cca81b3a925b1258fb", kill_on_drop: false }`
[INFO] [stdout] ceb1a8f37b7d880495ac4106fd27ceb860afe388abcd67cca81b3a925b1258fb
[INFO] checking interoptopus_backend_c-0.14.18 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate interoptopus_backend_c 0.14.18 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate interoptopus_backend_c 0.14.18 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interoptopus_backend_c 0.14.18
[INFO] finished tweaking crates.io crate interoptopus_backend_c 0.14.18
[INFO] tweaked toml for crates.io crate interoptopus_backend_c 0.14.18 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1b98eccf89ffe37fea4969fe805ceca8fa4827ca380e3de431cbfb83f993818
[INFO] running `Command { std: "docker" "start" "-a" "d1b98eccf89ffe37fea4969fe805ceca8fa4827ca380e3de431cbfb83f993818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1b98eccf89ffe37fea4969fe805ceca8fa4827ca380e3de431cbfb83f993818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b98eccf89ffe37fea4969fe805ceca8fa4827ca380e3de431cbfb83f993818", kill_on_drop: false }`
[INFO] [stdout] d1b98eccf89ffe37fea4969fe805ceca8fa4827ca380e3de431cbfb83f993818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f68ed84b7899c6b2bd3c90e1bb41a3e6113a61e73243953cffd1f814ded75169
[INFO] running `Command { std: "docker" "start" "-a" "f68ed84b7899c6b2bd3c90e1bb41a3e6113a61e73243953cffd1f814ded75169", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking heck v0.4.1
[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 v0.14.23
[INFO] [stderr]     Checking interoptopus v0.14.23
[INFO] [stderr]     Checking interoptopus_backend_c v0.14.18 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout]   --> tests/backend_c_ui.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let inventory = interoptopus_reference_project::ffi_inventory();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `interoptopus_reference_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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_c` (test "backend_c_ui") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f68ed84b7899c6b2bd3c90e1bb41a3e6113a61e73243953cffd1f814ded75169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68ed84b7899c6b2bd3c90e1bb41a3e6113a61e73243953cffd1f814ded75169", kill_on_drop: false }`
[INFO] [stdout] f68ed84b7899c6b2bd3c90e1bb41a3e6113a61e73243953cffd1f814ded75169
