[INFO] crate opencv 0.29.0 is already in cache
[INFO] checking opencv-0.29.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate opencv 0.29.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate opencv 0.29.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate opencv 0.29.0
[INFO] finished tweaking crates.io crate opencv 0.29.0
[INFO] tweaked toml for crates.io crate opencv 0.29.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate opencv 0.29.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 70dfec85826105ec170662eaa9f4f24ea1b2a659d1f826e5049c5272f74b5ef7
[INFO] running `"docker" "start" "-a" "70dfec85826105ec170662eaa9f4f24ea1b2a659d1f826e5049c5272f74b5ef7"`
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling cpp_common v0.5.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling cpp_macros v0.5.4
[INFO] [stderr]    Compiling cpp_build v0.5.4
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling opencv v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cpp v0.5.4
[INFO] [stderr] error: failed to run custom build command for `opencv v0.29.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-05bf501cc1779127/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" "70dfec85826105ec170662eaa9f4f24ea1b2a659d1f826e5049c5272f74b5ef7"`
[INFO] running `"docker" "rm" "-f" "70dfec85826105ec170662eaa9f4f24ea1b2a659d1f826e5049c5272f74b5ef7"`
[INFO] [stdout] 70dfec85826105ec170662eaa9f4f24ea1b2a659d1f826e5049c5272f74b5ef7