[INFO] crate io-surface 0.12.0 is already in cache
[INFO] extracting crate io-surface 0.12.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/io-surface/0.12.0
[INFO] extracting crate io-surface 0.12.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/io-surface/0.12.0
[INFO] validating manifest of io-surface-0.12.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of io-surface-0.12.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing io-surface-0.12.0
[INFO] finished frobbing io-surface-0.12.0
[INFO] frobbed toml for io-surface-0.12.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/io-surface/0.12.0/Cargo.toml
[INFO] started frobbing io-surface-0.12.0
[INFO] finished frobbing io-surface-0.12.0
[INFO] frobbed toml for io-surface-0.12.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/io-surface/0.12.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing io-surface-0.12.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/io-surface/0.12.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7996f9fe73b668d9efe358b366708e8ab92a28f9136cf03d849cc9480891990d
[INFO] running `"docker" "start" "-a" "7996f9fe73b668d9efe358b366708e8ab92a28f9136cf03d849cc9480891990d"`
[INFO] [stderr]    Compiling gleam v0.6.19
[INFO] [stderr]    Compiling io-surface v0.12.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `core_foundation`
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | extern crate core_foundation;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `io-surface`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7996f9fe73b668d9efe358b366708e8ab92a28f9136cf03d849cc9480891990d"`
[INFO] running `"docker" "rm" "-f" "7996f9fe73b668d9efe358b366708e8ab92a28f9136cf03d849cc9480891990d"`
[INFO] [stdout] 7996f9fe73b668d9efe358b366708e8ab92a28f9136cf03d849cc9480891990d