[INFO] crate darknet 0.1.4 is already in cache
[INFO] checking darknet-0.1.4 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate darknet 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate darknet 0.1.4 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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-7/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 624a690b8144d0c475b1e865208d10219af99e250faad19ee40250bb32736336
[INFO] running `"docker" "start" "-a" "624a690b8144d0c475b1e865208d10219af99e250faad19ee40250bb32736336"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[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 58s
[INFO] running `"docker" "inspect" "624a690b8144d0c475b1e865208d10219af99e250faad19ee40250bb32736336"`
[INFO] running `"docker" "rm" "-f" "624a690b8144d0c475b1e865208d10219af99e250faad19ee40250bb32736336"`
[INFO] [stdout] 624a690b8144d0c475b1e865208d10219af99e250faad19ee40250bb32736336