[INFO] updating cached repository RustExamples/variables_and_mutability [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/RustExamples/variables_and_mutability [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/RustExamples/variables_and_mutability" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/RustExamples/variables_and_mutability"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/RustExamples/variables_and_mutability'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/RustExamples/variables_and_mutability" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/RustExamples/variables_and_mutability"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/RustExamples/variables_and_mutability'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c3f53b3fc1212a4c049dbdcf82dfa17d808097b4 [INFO] sha for GitHub repo RustExamples/variables_and_mutability: c3f53b3fc1212a4c049dbdcf82dfa17d808097b4 [INFO] validating manifest of RustExamples/variables_and_mutability on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of RustExamples/variables_and_mutability on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing RustExamples/variables_and_mutability [INFO] finished frobbing RustExamples/variables_and_mutability [INFO] frobbed toml for RustExamples/variables_and_mutability written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/RustExamples/variables_and_mutability/Cargo.toml [INFO] started frobbing RustExamples/variables_and_mutability [INFO] finished frobbing RustExamples/variables_and_mutability [INFO] frobbed toml for RustExamples/variables_and_mutability written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/RustExamples/variables_and_mutability/Cargo.toml [INFO] crate RustExamples/variables_and_mutability has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking RustExamples/variables_and_mutability against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-3/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/RustExamples/variables_and_mutability:/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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f7f3aaebc5a8404f8605264aa0f8ceff5b5c3145d131108ea1a331fc86a4d400 [INFO] running `"docker" "start" "-a" "f7f3aaebc5a8404f8605264aa0f8ceff5b5c3145d131108ea1a331fc86a4d400"` [INFO] [stderr] Checking variables_and_mutability v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `"docker" "inspect" "f7f3aaebc5a8404f8605264aa0f8ceff5b5c3145d131108ea1a331fc86a4d400"` [INFO] running `"docker" "rm" "-f" "f7f3aaebc5a8404f8605264aa0f8ceff5b5c3145d131108ea1a331fc86a4d400"` [INFO] [stdout] f7f3aaebc5a8404f8605264aa0f8ceff5b5c3145d131108ea1a331fc86a4d400