[INFO] updating cached repository Maegor/LearningRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Maegor/LearningRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Maegor/LearningRust" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/Maegor/LearningRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/Maegor/LearningRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Maegor/LearningRust" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Maegor/LearningRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Maegor/LearningRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c254a4ee32587ff6d842ece5e76c19c44ec2b25d
[INFO] sha for GitHub repo Maegor/LearningRust: c254a4ee32587ff6d842ece5e76c19c44ec2b25d
[INFO] validating manifest of Maegor/LearningRust 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 Maegor/LearningRust 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 Maegor/LearningRust
[INFO] finished frobbing Maegor/LearningRust
[INFO] frobbed toml for Maegor/LearningRust written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/Maegor/LearningRust/Cargo.toml
[INFO] started frobbing Maegor/LearningRust
[INFO] finished frobbing Maegor/LearningRust
[INFO] frobbed toml for Maegor/LearningRust written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Maegor/LearningRust/Cargo.toml
[INFO] crate Maegor/LearningRust 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 Maegor/LearningRust against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-4/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Maegor/LearningRust:/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] a2e3e1196961ecfd36ffbea2f9dd26300a7688f876996784a2e88ea59c04dc7e
[INFO] running `"docker" "start" "-a" "a2e3e1196961ecfd36ffbea2f9dd26300a7688f876996784a2e88ea59c04dc7e"`
[INFO] [stderr]     Checking guessin_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "a2e3e1196961ecfd36ffbea2f9dd26300a7688f876996784a2e88ea59c04dc7e"`
[INFO] running `"docker" "rm" "-f" "a2e3e1196961ecfd36ffbea2f9dd26300a7688f876996784a2e88ea59c04dc7e"`
[INFO] [stdout] a2e3e1196961ecfd36ffbea2f9dd26300a7688f876996784a2e88ea59c04dc7e