[INFO] updating cached repository https://github.com/VaranTavers/rust_drone_follow
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/VaranTavers/rust_drone_follow
[INFO] [stderr]    da54cb2..c44042d  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c44042dd011fbb5369721b33100230e37ad7ff4d
[INFO] checking VaranTavers/rust_drone_follow against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaranTavers%2Frust_drone_follow" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VaranTavers/rust_drone_follow on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/VaranTavers/rust_drone_follow
[INFO] finished tweaking git repo https://github.com/VaranTavers/rust_drone_follow
[INFO] tweaked toml for git repo https://github.com/VaranTavers/rust_drone_follow written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] b65b9969c1765d08e101f52a84d0c1fc808bb7c34316cdfd1cef86052aa47a3f
[INFO] running `"docker" "start" "-a" "b65b9969c1765d08e101f52a84d0c1fc808bb7c34316cdfd1cef86052aa47a3f"`
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling cpp_common v0.5.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cpp_macros v0.5.4
[INFO] [stderr]    Compiling cpp_build v0.5.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking cpp v0.5.4
[INFO] [stderr]    Compiling opencv v0.29.3
[INFO] [stderr] error: failed to run custom build command for `opencv v0.29.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-f94fbe6fc145ee68/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" "b65b9969c1765d08e101f52a84d0c1fc808bb7c34316cdfd1cef86052aa47a3f"`
[INFO] running `"docker" "rm" "-f" "b65b9969c1765d08e101f52a84d0c1fc808bb7c34316cdfd1cef86052aa47a3f"`
[INFO] [stdout] b65b9969c1765d08e101f52a84d0c1fc808bb7c34316cdfd1cef86052aa47a3f