[INFO] cloning repository Michael-F-Bryan/mdbook-linkcheck
[INFO] running `"git" "clone" "--bare" "git://github.com/Michael-F-Bryan/mdbook-linkcheck.git" "work/cache/sources/gh/Michael-F-Bryan/mdbook-linkcheck"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Michael-F-Bryan/mdbook-linkcheck'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Michael-F-Bryan/mdbook-linkcheck" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Michael-F-Bryan/mdbook-linkcheck"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Michael-F-Bryan/mdbook-linkcheck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Michael-F-Bryan/mdbook-linkcheck" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Michael-F-Bryan/mdbook-linkcheck"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Michael-F-Bryan/mdbook-linkcheck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ac54352d029ec9288d3503d6c27afc62836653a
[INFO] sha for GitHub repo Michael-F-Bryan/mdbook-linkcheck: 6ac54352d029ec9288d3503d6c27afc62836653a
[INFO] validating manifest of Michael-F-Bryan/mdbook-linkcheck on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Michael-F-Bryan/mdbook-linkcheck on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Michael-F-Bryan/mdbook-linkcheck
[INFO] finished frobbing Michael-F-Bryan/mdbook-linkcheck
[INFO] frobbed toml for Michael-F-Bryan/mdbook-linkcheck written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Michael-F-Bryan/mdbook-linkcheck/Cargo.toml
[INFO] started frobbing Michael-F-Bryan/mdbook-linkcheck
[INFO] finished frobbing Michael-F-Bryan/mdbook-linkcheck
[INFO] frobbed toml for Michael-F-Bryan/mdbook-linkcheck written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Michael-F-Bryan/mdbook-linkcheck/Cargo.toml
[INFO] crate Michael-F-Bryan/mdbook-linkcheck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Michael-F-Bryan/mdbook-linkcheck against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Michael-F-Bryan/mdbook-linkcheck:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1cbcb6ceebc1277591396b97b74cb65aa2da3f613ffce63af8c5cc2e547848ac
[INFO] running `"docker" "start" "-a" "1cbcb6ceebc1277591396b97b74cb65aa2da3f613ffce63af8c5cc2e547848ac"`
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking pulldown-cmark v0.5.2
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml-query v0.9.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking mdbook v0.3.0
[INFO] [stderr]     Checking mdbook-linkcheck v0.3.1-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `"docker" "inspect" "1cbcb6ceebc1277591396b97b74cb65aa2da3f613ffce63af8c5cc2e547848ac"`
[INFO] running `"docker" "rm" "-f" "1cbcb6ceebc1277591396b97b74cb65aa2da3f613ffce63af8c5cc2e547848ac"`
[INFO] [stdout] 1cbcb6ceebc1277591396b97b74cb65aa2da3f613ffce63af8c5cc2e547848ac