[INFO] fetching crate markdown-edit 0.1.0...
[INFO] testing markdown-edit-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate markdown-edit 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate markdown-edit 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0140496612afdf8d1e1264c0a6988d64e2f2a47b5f1f6d201c50657ea5e7f1d6
[INFO] running `Command { std: "docker" "start" "-a" "0140496612afdf8d1e1264c0a6988d64e2f2a47b5f1f6d201c50657ea5e7f1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0140496612afdf8d1e1264c0a6988d64e2f2a47b5f1f6d201c50657ea5e7f1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0140496612afdf8d1e1264c0a6988d64e2f2a47b5f1f6d201c50657ea5e7f1d6", kill_on_drop: false }`
[INFO] [stdout] 0140496612afdf8d1e1264c0a6988d64e2f2a47b5f1f6d201c50657ea5e7f1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b9980731a9c850416a39c8ed54ccfefc441da52ecb6619a561b434c400ed06d
[INFO] running `Command { std: "docker" "start" "-a" "2b9980731a9c850416a39c8ed54ccfefc441da52ecb6619a561b434c400ed06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v1.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling markdown-edit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `&pulldown_cmark::Event<'_>: std::borrow::Borrow<pulldown_cmark::parse::Event<'_>>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:93:7
[INFO] [stdout]     |
[INFO] [stdout] 93  |       cmark(events.iter(), &mut buf, None)?;
[INFO] [stdout]     |       ^^^^^ the trait `std::borrow::Borrow<pulldown_cmark::parse::Event<'_>>` is not implemented for `&pulldown_cmark::Event<'_>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pulldown-cmark-to-cmark-1.2.4/src/fmt.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 408 |     E: Borrow<Event<'a>>,
[INFO] [stdout]     |        ----------------- required by this bound in `pulldown_cmark_to_cmark::fmt::cmark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markdown-edit`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2b9980731a9c850416a39c8ed54ccfefc441da52ecb6619a561b434c400ed06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9980731a9c850416a39c8ed54ccfefc441da52ecb6619a561b434c400ed06d", kill_on_drop: false }`
[INFO] [stdout] 2b9980731a9c850416a39c8ed54ccfefc441da52ecb6619a561b434c400ed06d