[INFO] crate markdown-edit 0.1.0 is already in cache
[INFO] testing markdown-edit-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate markdown-edit 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate markdown-edit 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate markdown-edit 0.1.0
[INFO] finished tweaking crates.io crate markdown-edit 0.1.0
[INFO] tweaked toml for crates.io crate markdown-edit 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 28a75077cd90aa3f2c148d384b88d4c6381f7dac4108980632fdae68b13beff4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "28a75077cd90aa3f2c148d384b88d4c6381f7dac4108980632fdae68b13beff4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v1.2.4
[INFO] [stderr]    Compiling markdown-edit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `&pulldown_cmark::Event<'_>: std::borrow::Borrow<pulldown_cmark::parse::Event<'_>>` 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<pulldown_cmark::parse::Event<'_>>` is not implemented for `&pulldown_cmark::Event<'_>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pulldown-cmark-to-cmark-1.2.4/src/fmt.rs:408:8
[INFO] [stderr]     |
[INFO] [stderr] 408 |     E: Borrow<Event<'a>>,
[INFO] [stderr]     |        ----------------- required by this bound in `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" "28a75077cd90aa3f2c148d384b88d4c6381f7dac4108980632fdae68b13beff4"`
[INFO] running `"docker" "rm" "-f" "28a75077cd90aa3f2c148d384b88d4c6381f7dac4108980632fdae68b13beff4"`
[INFO] [stdout] 28a75077cd90aa3f2c148d384b88d4c6381f7dac4108980632fdae68b13beff4