[INFO] fetching crate opencv 0.33.1...
[INFO] checking opencv-0.33.1 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate opencv 0.33.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate opencv 0.33.1 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate opencv 0.33.1
[INFO] finished tweaking crates.io crate opencv 0.33.1
[INFO] tweaked toml for crates.io crate opencv 0.33.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate opencv 0.33.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opencv-binding-generator v0.6.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c7d2ce1a373e944cc540b39b7430c895797f1b19b28ea29d779903929f394cc
[INFO] running `"docker" "start" "-a" "5c7d2ce1a373e944cc540b39b7430c895797f1b19b28ea29d779903929f394cc"`
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling opencv v0.33.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `opencv v0.33.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-564b63408dd806a9/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] === Setting up OpenCV library from pkg_config
[INFO] [stderr] Error: "Package opencv4 is not found, caused by: `\"pkg-config\" \"--libs\" \"--cflags\" \"opencv4\"` did not exit successfully: exit code: 1\n--- stderr\nPackage opencv4 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `opencv4.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'opencv4\' found\n"
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "5c7d2ce1a373e944cc540b39b7430c895797f1b19b28ea29d779903929f394cc"`
[INFO] running `"docker" "rm" "-f" "5c7d2ce1a373e944cc540b39b7430c895797f1b19b28ea29d779903929f394cc"`
[INFO] [stdout] 5c7d2ce1a373e944cc540b39b7430c895797f1b19b28ea29d779903929f394cc