[INFO] crate lsb_png_steganography 0.1.0 is already in cache
[INFO] checking lsb_png_steganography-0.1.0 against nightly-2019-10-27 for pr-65897
[INFO] extracting crate lsb_png_steganography 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lsb_png_steganography 0.1.0 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lsb_png_steganography 0.1.0
[INFO] finished tweaking crates.io crate lsb_png_steganography 0.1.0
[INFO] tweaked toml for crates.io crate lsb_png_steganography 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=allow" "-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" "+nightly-2019-10-27" "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] 2289a8f11f99a3f27fbf541016078ad66d360e9bac6dc334810ec56b3c9c74bc
[INFO] running `"docker" "start" "-a" "2289a8f11f99a3f27fbf541016078ad66d360e9bac6dc334810ec56b3c9c74bc"`
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking lsb_png_steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `"docker" "inspect" "2289a8f11f99a3f27fbf541016078ad66d360e9bac6dc334810ec56b3c9c74bc"`
[INFO] running `"docker" "rm" "-f" "2289a8f11f99a3f27fbf541016078ad66d360e9bac6dc334810ec56b3c9c74bc"`
[INFO] [stdout] 2289a8f11f99a3f27fbf541016078ad66d360e9bac6dc334810ec56b3c9c74bc