[INFO] updating cached repository younata/mdbook-generate-summary
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/younata/mdbook-generate-summary
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/younata/mdbook-generate-summary" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/younata/mdbook-generate-summary"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/younata/mdbook-generate-summary'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/younata/mdbook-generate-summary" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/younata/mdbook-generate-summary"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/younata/mdbook-generate-summary'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e74c085c7e8fc09eecf05ca0bb35a7a9997e669d
[INFO] sha for GitHub repo younata/mdbook-generate-summary: e74c085c7e8fc09eecf05ca0bb35a7a9997e669d
[INFO] validating manifest of younata/mdbook-generate-summary on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of younata/mdbook-generate-summary on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing younata/mdbook-generate-summary
[INFO] finished frobbing younata/mdbook-generate-summary
[INFO] frobbed toml for younata/mdbook-generate-summary written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/younata/mdbook-generate-summary/Cargo.toml
[INFO] started frobbing younata/mdbook-generate-summary
[INFO] finished frobbing younata/mdbook-generate-summary
[INFO] frobbed toml for younata/mdbook-generate-summary written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/younata/mdbook-generate-summary/Cargo.toml
[INFO] crate younata/mdbook-generate-summary already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking younata/mdbook-generate-summary against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-5/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/younata/mdbook-generate-summary:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8de1c65a6c09da258c195efe8a809557c002a539ac367a522d13591dbe2b997b
[INFO] running `"docker" "start" "-a" "8de1c65a6c09da258c195efe8a809557c002a539ac367a522d13591dbe2b997b"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking mdbook-generate-summary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.76s
[INFO] running `"docker" "inspect" "8de1c65a6c09da258c195efe8a809557c002a539ac367a522d13591dbe2b997b"`
[INFO] running `"docker" "rm" "-f" "8de1c65a6c09da258c195efe8a809557c002a539ac367a522d13591dbe2b997b"`
[INFO] [stdout] 8de1c65a6c09da258c195efe8a809557c002a539ac367a522d13591dbe2b997b