[INFO] cloning repository https://github.com/section77/airhobot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/section77/airhobot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsection77%2Fairhobot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsection77%2Fairhobot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6c6ad84fd59256e331a355b7d2642eef1ae7a91
[INFO] documenting section77/airhobot against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsection77%2Fairhobot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/section77/airhobot on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/section77/airhobot
[INFO] finished tweaking git repo https://github.com/section77/airhobot
[INFO] tweaked toml for git repo https://github.com/section77/airhobot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/section77/airhobot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded num-bigint v0.2.5
[INFO] [stderr]   Downloaded jobserver v0.1.19
[INFO] [stderr]   Downloaded snafu-derive v0.6.2
[INFO] [stderr]   Downloaded snafu v0.6.2
[INFO] [stderr]   Downloaded xstd v0.2.0
[INFO] [stderr]   Downloaded opencv v0.30.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb87724e487ab82011f7314df4fe124d2fe69c7d4a5f1bdd57ac99fc6cb52c3d
[INFO] running `Command { std: "docker" "start" "-a" "bb87724e487ab82011f7314df4fe124d2fe69c7d4a5f1bdd57ac99fc6cb52c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb87724e487ab82011f7314df4fe124d2fe69c7d4a5f1bdd57ac99fc6cb52c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb87724e487ab82011f7314df4fe124d2fe69c7d4a5f1bdd57ac99fc6cb52c3d", kill_on_drop: false }`
[INFO] [stdout] bb87724e487ab82011f7314df4fe124d2fe69c7d4a5f1bdd57ac99fc6cb52c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75706a034306cebec3102a2a5a8e3a8ed960102a4dd53b2a5a50838552246b36
[INFO] running `Command { std: "docker" "start" "-a" "75706a034306cebec3102a2a5a8e3a8ed960102a4dd53b2a5a50838552246b36", 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]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]     Checking xstd v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking stepper v0.1.0 (/opt/rustwide/workdir/stepper)
[INFO] [stderr]  Documenting stepper v0.1.0 (/opt/rustwide/workdir/stepper)
[INFO] [stderr]    Compiling opencv v0.30.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr] error: failed to run custom build command for `opencv v0.30.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencv-f24da2eefd9613f0/build-script-build` (exit status: 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 status: 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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "75706a034306cebec3102a2a5a8e3a8ed960102a4dd53b2a5a50838552246b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75706a034306cebec3102a2a5a8e3a8ed960102a4dd53b2a5a50838552246b36", kill_on_drop: false }`
[INFO] [stdout] 75706a034306cebec3102a2a5a8e3a8ed960102a4dd53b2a5a50838552246b36
