[INFO] updating cached repository ChalkPE/rust-playground [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ChalkPE/rust-playground [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ChalkPE/rust-playground" "work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/ChalkPE/rust-playground"` [INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/ChalkPE/rust-playground'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ChalkPE/rust-playground" "work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/ChalkPE/rust-playground"` [INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/ChalkPE/rust-playground'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ce5291c7e5bf4ea81a07e761331e8985958ca714 [INFO] sha for GitHub repo ChalkPE/rust-playground: ce5291c7e5bf4ea81a07e761331e8985958ca714 [INFO] validating manifest of ChalkPE/rust-playground on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ChalkPE/rust-playground on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ChalkPE/rust-playground [INFO] finished frobbing ChalkPE/rust-playground [INFO] frobbed toml for ChalkPE/rust-playground written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/ChalkPE/rust-playground/Cargo.toml [INFO] started frobbing ChalkPE/rust-playground [INFO] finished frobbing ChalkPE/rust-playground [INFO] frobbed toml for ChalkPE/rust-playground written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/ChalkPE/rust-playground/Cargo.toml [INFO] crate ChalkPE/rust-playground already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ChalkPE/rust-playground against master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf for pr-60444 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-6/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/ChalkPE/rust-playground:/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" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4e4fdffaf157cc79e648b515d4dc36a45c0df5c818d49fbdd7bcd9a6bb4fcb4e [INFO] running `"docker" "start" "-a" "4e4fdffaf157cc79e648b515d4dc36a45c0df5c818d49fbdd7bcd9a6bb4fcb4e"` [INFO] [stderr] Checking playground v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "4e4fdffaf157cc79e648b515d4dc36a45c0df5c818d49fbdd7bcd9a6bb4fcb4e"` [INFO] running `"docker" "rm" "-f" "4e4fdffaf157cc79e648b515d4dc36a45c0df5c818d49fbdd7bcd9a6bb4fcb4e"` [INFO] [stdout] 4e4fdffaf157cc79e648b515d4dc36a45c0df5c818d49fbdd7bcd9a6bb4fcb4e