[INFO] updating cached repository maxjacobson/monty_hall_problem [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/maxjacobson/monty_hall_problem [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/maxjacobson/monty_hall_problem" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/maxjacobson/monty_hall_problem"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/maxjacobson/monty_hall_problem'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/maxjacobson/monty_hall_problem" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/maxjacobson/monty_hall_problem"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/maxjacobson/monty_hall_problem'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 69ce698c03ec5bd128fc26106aa48b3214956ab4 [INFO] sha for GitHub repo maxjacobson/monty_hall_problem: 69ce698c03ec5bd128fc26106aa48b3214956ab4 [INFO] validating manifest of maxjacobson/monty_hall_problem 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 maxjacobson/monty_hall_problem 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 maxjacobson/monty_hall_problem [INFO] finished frobbing maxjacobson/monty_hall_problem [INFO] frobbed toml for maxjacobson/monty_hall_problem written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/maxjacobson/monty_hall_problem/Cargo.toml [INFO] started frobbing maxjacobson/monty_hall_problem [INFO] finished frobbing maxjacobson/monty_hall_problem [INFO] frobbed toml for maxjacobson/monty_hall_problem written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/maxjacobson/monty_hall_problem/Cargo.toml [INFO] crate maxjacobson/monty_hall_problem 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 maxjacobson/monty_hall_problem against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-2/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/maxjacobson/monty_hall_problem:/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] dd1f0800501e6394e379430e5d5e3d18b4d388ec94e97a91398ef53e54c7a720 [INFO] running `"docker" "start" "-a" "dd1f0800501e6394e379430e5d5e3d18b4d388ec94e97a91398ef53e54c7a720"` [INFO] [stderr] Checking monty_hall_problem v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `"docker" "inspect" "dd1f0800501e6394e379430e5d5e3d18b4d388ec94e97a91398ef53e54c7a720"` [INFO] running `"docker" "rm" "-f" "dd1f0800501e6394e379430e5d5e3d18b4d388ec94e97a91398ef53e54c7a720"` [INFO] [stdout] dd1f0800501e6394e379430e5d5e3d18b4d388ec94e97a91398ef53e54c7a720