[INFO] updating cached repository https://github.com/Michael-F-Bryan/mdbook-linkcheck
[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] 5f357370b6a55c23f85563e221cc8df853ae7f13
[INFO] checking Michael-F-Bryan/mdbook-linkcheck against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-linkcheck" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/mdbook-linkcheck on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Michael-F-Bryan/mdbook-linkcheck
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/mdbook-linkcheck
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/mdbook-linkcheck written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/mdbook-linkcheck already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b17569ee5b7ca65775541678cebd707d54c3a1c7614ca5d73cce8840ed3a9a8b
[INFO] running `"docker" "start" "-a" "b17569ee5b7ca65775541678cebd707d54c3a1c7614ca5d73cce8840ed3a9a8b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.6.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking open v1.3.2
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]     Checking codespan v0.5.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking codespan-reporting v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking handlebars v2.0.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking mdbook v0.3.2
[INFO] [stderr]     Checking mdbook-linkcheck v0.5.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `"docker" "inspect" "b17569ee5b7ca65775541678cebd707d54c3a1c7614ca5d73cce8840ed3a9a8b"`
[INFO] running `"docker" "rm" "-f" "b17569ee5b7ca65775541678cebd707d54c3a1c7614ca5d73cce8840ed3a9a8b"`
[INFO] [stdout] b17569ee5b7ca65775541678cebd707d54c3a1c7614ca5d73cce8840ed3a9a8b