[INFO] fetching crate termbook 1.4.2...
[INFO] testing termbook-1.4.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate termbook 1.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate termbook 1.4.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate termbook 1.4.2
[INFO] finished tweaking crates.io crate termbook 1.4.2
[INFO] tweaked toml for crates.io crate termbook 1.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7afe7bbcf000272e9ac4fc8175a41abdf6e3545e8bb3026ca5c71b480dbaa6f
[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" "e7afe7bbcf000272e9ac4fc8175a41abdf6e3545e8bb3026ca5c71b480dbaa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7afe7bbcf000272e9ac4fc8175a41abdf6e3545e8bb3026ca5c71b480dbaa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7afe7bbcf000272e9ac4fc8175a41abdf6e3545e8bb3026ca5c71b480dbaa6f", kill_on_drop: false }`
[INFO] [stdout] e7afe7bbcf000272e9ac4fc8175a41abdf6e3545e8bb3026ca5c71b480dbaa6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96b15231bbb88c77d6a222d202c0118f159dc77147d2aa2ee3a0f5c09dcc600
[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" "e96b15231bbb88c77d6a222d202c0118f159dc77147d2aa2ee3a0f5c09dcc600", 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] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]    Compiling gitignore v1.0.7
[INFO] [stderr]    Compiling open v1.7.1
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling gethostname v0.2.2
[INFO] [stderr]    Compiling plist v0.4.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling string_cache v0.8.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ws v0.9.2
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v2.0.1
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling handlebars v3.5.5
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.14
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling staticfile v0.5.0
[INFO] [stderr]    Compiling onig v4.3.3
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling xml5ever v0.16.2
[INFO] [stderr]    Compiling syntect v3.1.0
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling ammonia v3.1.4
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling mdcat v0.15.1
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.2
[INFO] [stderr]    Compiling toml-query v0.9.2
[INFO] [stderr]    Compiling mdbook v0.3.7
[INFO] [stderr]    Compiling termbook v1.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<std::vec::IntoIter<Event<'_>> as Iterator>::Item == pulldown_cmark::parse::Event<'_>`
[INFO] [stdout]    --> src/playback.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         push_tty(
[INFO] [stdout]     |         ^^^^^^^^ expected enum `pulldown_cmark::parse::Event`, found enum `Event`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `pulldown_cmark` are being used?
[INFO] [stdout] note: required by a bound in `push_tty`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdcat-0.15.1/src/lib.rs:71:17
[INFO] [stdout]     |
[INFO] [stdout] 71  |     I: Iterator<Item = Event<'e>>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ required by this bound in `push_tty`
[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 E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `termbook` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e96b15231bbb88c77d6a222d202c0118f159dc77147d2aa2ee3a0f5c09dcc600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96b15231bbb88c77d6a222d202c0118f159dc77147d2aa2ee3a0f5c09dcc600", kill_on_drop: false }`
[INFO] [stdout] e96b15231bbb88c77d6a222d202c0118f159dc77147d2aa2ee3a0f5c09dcc600