[INFO] fetching crate markdown-edit 0.1.0...
[INFO] checking markdown-edit-0.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate markdown-edit 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate markdown-edit 0.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 850d9c6555e56777eb554f5dd4c23353dae981cdb0e4c1ba87675da575fdb807
[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" "850d9c6555e56777eb554f5dd4c23353dae981cdb0e4c1ba87675da575fdb807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850d9c6555e56777eb554f5dd4c23353dae981cdb0e4c1ba87675da575fdb807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850d9c6555e56777eb554f5dd4c23353dae981cdb0e4c1ba87675da575fdb807", kill_on_drop: false }`
[INFO] [stdout] 850d9c6555e56777eb554f5dd4c23353dae981cdb0e4c1ba87675da575fdb807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4af7d546cf634d94675e1606e2918d555732dc425970e9fa7538b20e461090e
[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" "e4af7d546cf634d94675e1606e2918d555732dc425970e9fa7538b20e461090e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.2.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[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" "e4af7d546cf634d94675e1606e2918d555732dc425970e9fa7538b20e461090e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4af7d546cf634d94675e1606e2918d555732dc425970e9fa7538b20e461090e", kill_on_drop: false }`
[INFO] [stdout] e4af7d546cf634d94675e1606e2918d555732dc425970e9fa7538b20e461090e