[INFO] updating cached repository adamisntdead/markov-chains
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adamisntdead/markov-chains
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adamisntdead/markov-chains" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/adamisntdead/markov-chains"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/adamisntdead/markov-chains'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adamisntdead/markov-chains" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/adamisntdead/markov-chains"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/adamisntdead/markov-chains'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e55d1a6bc66a5f2da26b312da63dea9b4d67138d
[INFO] sha for GitHub repo adamisntdead/markov-chains: e55d1a6bc66a5f2da26b312da63dea9b4d67138d
[INFO] validating manifest of adamisntdead/markov-chains 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 adamisntdead/markov-chains 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 adamisntdead/markov-chains
[INFO] finished frobbing adamisntdead/markov-chains
[INFO] frobbed toml for adamisntdead/markov-chains written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/adamisntdead/markov-chains/Cargo.toml
[INFO] started frobbing adamisntdead/markov-chains
[INFO] finished frobbing adamisntdead/markov-chains
[INFO] frobbed toml for adamisntdead/markov-chains written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/adamisntdead/markov-chains/Cargo.toml
[INFO] crate adamisntdead/markov-chains 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 adamisntdead/markov-chains against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-5/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/adamisntdead/markov-chains:/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" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 919f25af360fc06e5d8d9850a02699a99b30775305e0b6deb990b9038d2037c2
[INFO] running `"docker" "start" "-a" "919f25af360fc06e5d8d9850a02699a99b30775305e0b6deb990b9038d2037c2"`
[INFO] [stderr]     Checking markov-chains v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "919f25af360fc06e5d8d9850a02699a99b30775305e0b6deb990b9038d2037c2"`
[INFO] running `"docker" "rm" "-f" "919f25af360fc06e5d8d9850a02699a99b30775305e0b6deb990b9038d2037c2"`
[INFO] [stdout] 919f25af360fc06e5d8d9850a02699a99b30775305e0b6deb990b9038d2037c2