[INFO] crate display-link 0.1.7 is already in cache
[INFO] extracting crate display-link 0.1.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/display-link/0.1.7
[INFO] extracting crate display-link 0.1.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/display-link/0.1.7
[INFO] validating manifest of display-link-0.1.7 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 display-link-0.1.7 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 display-link-0.1.7
[INFO] finished frobbing display-link-0.1.7
[INFO] frobbed toml for display-link-0.1.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/display-link/0.1.7/Cargo.toml
[INFO] started frobbing display-link-0.1.7
[INFO] finished frobbing display-link-0.1.7
[INFO] frobbed toml for display-link-0.1.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/display-link/0.1.7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing display-link-0.1.7 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/display-link/0.1.7:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 383199cd7b47af94ec375859d54a06cc42620399c2a6f1911db8aa3e532dc59d
[INFO] running `"docker" "start" "-a" "383199cd7b47af94ec375859d54a06cc42620399c2a6f1911db8aa3e532dc59d"`
[INFO] [stderr]    Compiling display-link v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PlatformDisplayLink`
[INFO] [stderr]   --> src/lib.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         PlatformDisplayLink::new(callback).map(DisplayLink)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `PlatformDisplayLink`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `PlatformDisplayLink` in this scope
[INFO] [stderr]   --> src/lib.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct DisplayLink(PlatformDisplayLink);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `display-link`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "383199cd7b47af94ec375859d54a06cc42620399c2a6f1911db8aa3e532dc59d"`
[INFO] running `"docker" "rm" "-f" "383199cd7b47af94ec375859d54a06cc42620399c2a6f1911db8aa3e532dc59d"`
[INFO] [stdout] 383199cd7b47af94ec375859d54a06cc42620399c2a6f1911db8aa3e532dc59d