[INFO] updating cached repository incessantmeraki/rust-experiment [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/incessantmeraki/rust-experiment [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/incessantmeraki/rust-experiment" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/incessantmeraki/rust-experiment"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/incessantmeraki/rust-experiment'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/incessantmeraki/rust-experiment" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/incessantmeraki/rust-experiment"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/incessantmeraki/rust-experiment'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4a158d8b02b653358d1e8b17eb2b0e4aae5991b9 [INFO] sha for GitHub repo incessantmeraki/rust-experiment: 4a158d8b02b653358d1e8b17eb2b0e4aae5991b9 [INFO] validating manifest of incessantmeraki/rust-experiment on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of incessantmeraki/rust-experiment on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing incessantmeraki/rust-experiment [INFO] finished frobbing incessantmeraki/rust-experiment [INFO] frobbed toml for incessantmeraki/rust-experiment written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/incessantmeraki/rust-experiment/Cargo.toml [INFO] started frobbing incessantmeraki/rust-experiment [INFO] finished frobbing incessantmeraki/rust-experiment [INFO] frobbed toml for incessantmeraki/rust-experiment written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/incessantmeraki/rust-experiment/Cargo.toml [INFO] crate incessantmeraki/rust-experiment already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking incessantmeraki/rust-experiment against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/incessantmeraki/rust-experiment:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 40d8efb8c33fcdde43e99051fed1542d590dbee8ccb08d2016ebe52bad651292 [INFO] running `"docker" "start" "-a" "40d8efb8c33fcdde43e99051fed1542d590dbee8ccb08d2016ebe52bad651292"` [INFO] [stderr] Checking rust-experiment v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "40d8efb8c33fcdde43e99051fed1542d590dbee8ccb08d2016ebe52bad651292"` [INFO] running `"docker" "rm" "-f" "40d8efb8c33fcdde43e99051fed1542d590dbee8ccb08d2016ebe52bad651292"` [INFO] [stdout] 40d8efb8c33fcdde43e99051fed1542d590dbee8ccb08d2016ebe52bad651292