[INFO] fetching crate markdown-edit 0.1.0...
[INFO] checking markdown-edit-0.1.0 against beta for pr-78714
[INFO] extracting crate markdown-edit 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate markdown-edit 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f165a781da287b92f2f99447c640cd5afe00d2ea8bf1daa00b9b7a4c4f23268
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f165a781da287b92f2f99447c640cd5afe00d2ea8bf1daa00b9b7a4c4f23268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f165a781da287b92f2f99447c640cd5afe00d2ea8bf1daa00b9b7a4c4f23268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f165a781da287b92f2f99447c640cd5afe00d2ea8bf1daa00b9b7a4c4f23268", kill_on_drop: false }`
[INFO] [stdout] 7f165a781da287b92f2f99447c640cd5afe00d2ea8bf1daa00b9b7a4c4f23268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 81237e9248398a5900602da983d7d8b88ddc7b26e6bba397a970110c528ddf05
[INFO] running `Command { std: "docker" "start" "-a" "81237e9248398a5900602da983d7d8b88ddc7b26e6bba397a970110c528ddf05", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.2.4
[INFO] [stderr]     Checking markdown-edit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `&Event<'_>: 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 `Borrow<pulldown_cmark::parse::Event<'_>>` is not implemented for `&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 `cmark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&Event<'_>: 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 `Borrow<pulldown_cmark::parse::Event<'_>>` is not implemented for `&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 `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] [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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81237e9248398a5900602da983d7d8b88ddc7b26e6bba397a970110c528ddf05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81237e9248398a5900602da983d7d8b88ddc7b26e6bba397a970110c528ddf05", kill_on_drop: false }`
[INFO] [stdout] 81237e9248398a5900602da983d7d8b88ddc7b26e6bba397a970110c528ddf05