[INFO] fetching crate opencv-binding-generator 0.36.0...
[INFO] checking opencv-binding-generator-0.36.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate opencv-binding-generator 0.36.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate opencv-binding-generator 0.36.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opencv-binding-generator 0.36.0
[INFO] finished tweaking crates.io crate opencv-binding-generator 0.36.0
[INFO] tweaked toml for crates.io crate opencv-binding-generator 0.36.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate opencv-binding-generator 0.36.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41c4184546c8047329a439d768aa6a9700711b4a85ee9fdf49d9e4ad91a73cfa
[INFO] running `Command { std: "docker" "start" "-a" "41c4184546c8047329a439d768aa6a9700711b4a85ee9fdf49d9e4ad91a73cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41c4184546c8047329a439d768aa6a9700711b4a85ee9fdf49d9e4ad91a73cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c4184546c8047329a439d768aa6a9700711b4a85ee9fdf49d9e4ad91a73cfa", kill_on_drop: false }`
[INFO] [stdout] 41c4184546c8047329a439d768aa6a9700711b4a85ee9fdf49d9e4ad91a73cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1505c35e18edcad3a40c7c6574446c07827edb9ad7ff4c0186b2d9710f0273ac
[INFO] running `Command { std: "docker" "start" "-a" "1505c35e18edcad3a40c7c6574446c07827edb9ad7ff4c0186b2d9710f0273ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking clang v1.0.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking opencv-binding-generator v0.36.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `gen_env`
[INFO] [stdout]  --> src/abstract_ref_wrapper.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     gen_env: &'ge GeneratorEnv<'tu>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gen_env`
[INFO] [stdout]  --> src/abstract_ref_wrapper.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     gen_env: &'ge GeneratorEnv<'tu>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "1505c35e18edcad3a40c7c6574446c07827edb9ad7ff4c0186b2d9710f0273ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1505c35e18edcad3a40c7c6574446c07827edb9ad7ff4c0186b2d9710f0273ac", kill_on_drop: false }`
[INFO] [stdout] 1505c35e18edcad3a40c7c6574446c07827edb9ad7ff4c0186b2d9710f0273ac