[INFO] fetching crate screenshot 0.0.7...
[INFO] checking screenshot-0.0.7 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate screenshot 0.0.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate screenshot 0.0.7 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate screenshot 0.0.7
[INFO] finished tweaking crates.io crate screenshot 0.0.7
[INFO] tweaked toml for crates.io crate screenshot 0.0.7 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] a44ab1b882a0ba63b108fa4293e9c3ec5193b0b3426966ccd023aa647e86f991
[INFO] running `"docker" "start" "-a" "a44ab1b882a0ba63b108fa4293e9c3ec5193b0b3426966ccd023aa647e86f991"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking screenshot v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr] error[E0432]: unresolved import `ffi`
[INFO] [stderr]   --> src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub use ffi::{get_screenshot};
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         unresolved import
[INFO] [stderr]    |         help: a similar path exists: `std::ffi`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `screenshot`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a44ab1b882a0ba63b108fa4293e9c3ec5193b0b3426966ccd023aa647e86f991"`
[INFO] running `"docker" "rm" "-f" "a44ab1b882a0ba63b108fa4293e9c3ec5193b0b3426966ccd023aa647e86f991"`
[INFO] [stdout] a44ab1b882a0ba63b108fa4293e9c3ec5193b0b3426966ccd023aa647e86f991