[INFO] updating cached repository buntine/rust-smart-pointers-cow [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/buntine/rust-smart-pointers-cow [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/buntine/rust-smart-pointers-cow" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/buntine/rust-smart-pointers-cow"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/buntine/rust-smart-pointers-cow'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/buntine/rust-smart-pointers-cow" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/buntine/rust-smart-pointers-cow"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/buntine/rust-smart-pointers-cow'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 17ac1f11b17a1daf1b5d876439845a09acc61ee4 [INFO] sha for GitHub repo buntine/rust-smart-pointers-cow: 17ac1f11b17a1daf1b5d876439845a09acc61ee4 [INFO] validating manifest of buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow [INFO] finished frobbing buntine/rust-smart-pointers-cow [INFO] frobbed toml for buntine/rust-smart-pointers-cow written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/buntine/rust-smart-pointers-cow/Cargo.toml [INFO] started frobbing buntine/rust-smart-pointers-cow [INFO] finished frobbing buntine/rust-smart-pointers-cow [INFO] frobbed toml for buntine/rust-smart-pointers-cow written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/buntine/rust-smart-pointers-cow/Cargo.toml [INFO] crate buntine/rust-smart-pointers-cow 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] [stderr] Blocking waiting for file lock on package cache [INFO] checking buntine/rust-smart-pointers-cow against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/buntine/rust-smart-pointers-cow:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 25b2703ec18e3e6fdaa8316669be7909f303ce47b2520f535fc211462ce65e15 [INFO] running `"docker" "start" "-a" "25b2703ec18e3e6fdaa8316669be7909f303ce47b2520f535fc211462ce65e15"` [INFO] [stderr] Checking cow v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `"docker" "inspect" "25b2703ec18e3e6fdaa8316669be7909f303ce47b2520f535fc211462ce65e15"` [INFO] running `"docker" "rm" "-f" "25b2703ec18e3e6fdaa8316669be7909f303ce47b2520f535fc211462ce65e15"` [INFO] [stdout] 25b2703ec18e3e6fdaa8316669be7909f303ce47b2520f535fc211462ce65e15