[INFO] updating cached repository https://github.com/Michael-F-Bryan/mdbook-epub
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 640a81209b9de4af8da082222f31f62dc9d21af0
[INFO] checking Michael-F-Bryan/mdbook-epub against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/mdbook-epub on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Michael-F-Bryan/mdbook-epub
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/mdbook-epub
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/mdbook-epub written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/mdbook-epub already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 16533d59bbdf62a40dace9680f92c93472de9a705e1c054c6067fa82b486b81c
[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" "16533d59bbdf62a40dace9680f92c93472de9a705e1c054c6067fa82b486b81c"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking ucd-util v0.1.7
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]     Checking open v1.3.4
[INFO] [stderr]     Checking gitignore v1.0.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling string_cache v0.5.2
[INFO] [stderr]    Compiling html5ever-atoms v0.3.0
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking handlebars v0.29.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking epub v1.2.2
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking html2text v0.1.10
[INFO] [stderr]     Checking ammonia v3.0.0
[INFO] [stderr]     Checking mdbook v0.3.5
[INFO] [stderr]     Checking epub-builder v0.4.5
[INFO] [stderr]     Checking mdbook-epub v0.3.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `"docker" "inspect" "16533d59bbdf62a40dace9680f92c93472de9a705e1c054c6067fa82b486b81c"`
[INFO] running `"docker" "rm" "-f" "16533d59bbdf62a40dace9680f92c93472de9a705e1c054c6067fa82b486b81c"`
[INFO] [stdout] 16533d59bbdf62a40dace9680f92c93472de9a705e1c054c6067fa82b486b81c