[INFO] fetching crate mdbook-open-on-gh 1.1.1...
[INFO] checking mdbook-open-on-gh-1.1.1 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate mdbook-open-on-gh 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mdbook-open-on-gh 1.1.1 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mdbook-open-on-gh 1.1.1
[INFO] finished tweaking crates.io crate mdbook-open-on-gh 1.1.1
[INFO] tweaked toml for crates.io crate mdbook-open-on-gh 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mdbook-open-on-gh 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 661f842799665e2a8221a05ca227b1b628e4896492bf6aea035c06a6ec2c5c1e
[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" "661f842799665e2a8221a05ca227b1b628e4896492bf6aea035c06a6ec2c5c1e"`
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]     Checking gitignore v1.0.6
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking mdbook v0.3.7
[INFO] [stderr]     Checking mdbook-open-on-gh v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `"docker" "inspect" "661f842799665e2a8221a05ca227b1b628e4896492bf6aea035c06a6ec2c5c1e"`
[INFO] running `"docker" "rm" "-f" "661f842799665e2a8221a05ca227b1b628e4896492bf6aea035c06a6ec2c5c1e"`
[INFO] [stdout] 661f842799665e2a8221a05ca227b1b628e4896492bf6aea035c06a6ec2c5c1e