[INFO] crate markdown-edit 0.1.0 is already in cache [INFO] extracting crate markdown-edit 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/markdown-edit/0.1.0 [INFO] extracting crate markdown-edit 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/markdown-edit/0.1.0 [INFO] validating manifest of markdown-edit-0.1.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of markdown-edit-0.1.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing markdown-edit-0.1.0 [INFO] finished frobbing markdown-edit-0.1.0 [INFO] frobbed toml for markdown-edit-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/markdown-edit/0.1.0/Cargo.toml [INFO] started frobbing markdown-edit-0.1.0 [INFO] finished frobbing markdown-edit-0.1.0 [INFO] frobbed toml for markdown-edit-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/markdown-edit/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing markdown-edit-0.1.0 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/markdown-edit/0.1.0:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] ec3c81346e351990517b3520f8339c65b813c9dcc6d373636a3837a232fa790f [INFO] running `"docker" "start" "-a" "ec3c81346e351990517b3520f8339c65b813c9dcc6d373636a3837a232fa790f"` [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Compiling pulldown-cmark-to-cmark v1.2.2 [INFO] [stderr] Compiling markdown-edit v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0277]: the trait bound `&pulldown_cmark::Event<'_>: std::borrow::Borrow>` is not satisfied [INFO] [stderr] --> src/lib.rs:93:7 [INFO] [stderr] | [INFO] [stderr] 93 | cmark(events.iter(), &mut buf, None)?; [INFO] [stderr] | ^^^^^ the trait `std::borrow::Borrow>` is not implemented for `&pulldown_cmark::Event<'_>` [INFO] [stderr] | [INFO] [stderr] = note: required by `pulldown_cmark_to_cmark::fmt::cmark` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `markdown-edit`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ec3c81346e351990517b3520f8339c65b813c9dcc6d373636a3837a232fa790f"` [INFO] running `"docker" "rm" "-f" "ec3c81346e351990517b3520f8339c65b813c9dcc6d373636a3837a232fa790f"` [INFO] [stdout] ec3c81346e351990517b3520f8339c65b813c9dcc6d373636a3837a232fa790f