[INFO] crate darknet 0.1.4 is already in cache
[INFO] checking darknet-0.1.4 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate darknet 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate darknet 0.1.4 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate darknet 0.1.4
[INFO] finished tweaking crates.io crate darknet 0.1.4
[INFO] tweaked toml for crates.io crate darknet 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate darknet 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 46472820612e5619ea84b2ebd561190e98d6ea06fa8ff2fa2fd0faf8a388c7df
[INFO] running `"docker" "start" "-a" "46472820612e5619ea84b2ebd561190e98d6ea06fa8ff2fa2fd0faf8a388c7df"`
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]     Checking image v0.23.2
[INFO] [stderr]    Compiling darknet-sys v0.1.2
[INFO] [stderr]     Checking darknet v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/yolo.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fs::create_dir("./result");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "46472820612e5619ea84b2ebd561190e98d6ea06fa8ff2fa2fd0faf8a388c7df"`
[INFO] running `"docker" "rm" "-f" "46472820612e5619ea84b2ebd561190e98d6ea06fa8ff2fa2fd0faf8a388c7df"`
[INFO] [stdout] 46472820612e5619ea84b2ebd561190e98d6ea06fa8ff2fa2fd0faf8a388c7df