[INFO] updating cached repository tfrench15/rust-learn [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tfrench15/rust-learn [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tfrench15/rust-learn" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/tfrench15/rust-learn"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/tfrench15/rust-learn'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tfrench15/rust-learn" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/tfrench15/rust-learn"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/tfrench15/rust-learn'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1172266d169010ffeae8da78d9b4119371d86675 [INFO] sha for GitHub repo tfrench15/rust-learn: 1172266d169010ffeae8da78d9b4119371d86675 [INFO] validating manifest of tfrench15/rust-learn 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 tfrench15/rust-learn 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 tfrench15/rust-learn [INFO] finished frobbing tfrench15/rust-learn [INFO] frobbed toml for tfrench15/rust-learn written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/tfrench15/rust-learn/Cargo.toml [INFO] started frobbing tfrench15/rust-learn [INFO] finished frobbing tfrench15/rust-learn [INFO] frobbed toml for tfrench15/rust-learn written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/tfrench15/rust-learn/Cargo.toml [INFO] crate tfrench15/rust-learn 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 tfrench15/rust-learn against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-1/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/tfrench15/rust-learn:/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] 90f13f47bc0f0693aaa3653c61f3e85be9011e09855bba4c0cde0fe03d786785 [INFO] running `"docker" "start" "-a" "90f13f47bc0f0693aaa3653c61f3e85be9011e09855bba4c0cde0fe03d786785"` [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "90f13f47bc0f0693aaa3653c61f3e85be9011e09855bba4c0cde0fe03d786785"` [INFO] running `"docker" "rm" "-f" "90f13f47bc0f0693aaa3653c61f3e85be9011e09855bba4c0cde0fe03d786785"` [INFO] [stdout] 90f13f47bc0f0693aaa3653c61f3e85be9011e09855bba4c0cde0fe03d786785