[INFO] cloning repository https://github.com/CozJ/ml-webcam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CozJ/ml-webcam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCozJ%2Fml-webcam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCozJ%2Fml-webcam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4524bb9c8a3e59375d36132433ae5a0eb87c2f3f
[INFO] checking CozJ/ml-webcam against master#71704c4f841477e94649843224db3fde67738b23 for pr-116633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCozJ%2Fml-webcam" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CozJ/ml-webcam on toolchain 71704c4f841477e94649843224db3fde67738b23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CozJ/ml-webcam
[INFO] finished tweaking git repo https://github.com/CozJ/ml-webcam
[INFO] tweaked toml for git repo https://github.com/CozJ/ml-webcam written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CozJ/ml-webcam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded opencv-binding-generator v0.58.1
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded opencv v0.78.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6f7dd658af09d35ffed3fa502f7d0472b0a2204fe4a10987ab2c489b8669351
[INFO] running `Command { std: "docker" "start" "-a" "b6f7dd658af09d35ffed3fa502f7d0472b0a2204fe4a10987ab2c489b8669351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f7dd658af09d35ffed3fa502f7d0472b0a2204fe4a10987ab2c489b8669351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f7dd658af09d35ffed3fa502f7d0472b0a2204fe4a10987ab2c489b8669351", kill_on_drop: false }`
[INFO] [stdout] b6f7dd658af09d35ffed3fa502f7d0472b0a2204fe4a10987ab2c489b8669351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+71704c4f841477e94649843224db3fde67738b23" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e99c608ef85803efa96b0b036d7f7943a45262decd15956ff1c839e78e41ac8
[INFO] running `Command { std: "docker" "start" "-a" "0e99c608ef85803efa96b0b036d7f7943a45262decd15956ff1c839e78e41ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling clang v2.0.0
[INFO] [stderr]    Compiling opencv-binding-generator v0.58.1
[INFO] [stderr]    Compiling opencv v0.78.2
[INFO] [stderr]     Checking ml-webcam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "0e99c608ef85803efa96b0b036d7f7943a45262decd15956ff1c839e78e41ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e99c608ef85803efa96b0b036d7f7943a45262decd15956ff1c839e78e41ac8", kill_on_drop: false }`
[INFO] [stdout] 0e99c608ef85803efa96b0b036d7f7943a45262decd15956ff1c839e78e41ac8