[INFO] updating cached repository jakegornall/learn_structs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jakegornall/learn_structs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jakegornall/learn_structs" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakegornall/learn_structs"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakegornall/learn_structs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jakegornall/learn_structs" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jakegornall/learn_structs"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jakegornall/learn_structs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c1f0031dc44513dc5f1db1417d27c38236b4e799 [INFO] sha for GitHub repo jakegornall/learn_structs: c1f0031dc44513dc5f1db1417d27c38236b4e799 [INFO] validating manifest of jakegornall/learn_structs on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jakegornall/learn_structs on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jakegornall/learn_structs [INFO] finished frobbing jakegornall/learn_structs [INFO] frobbed toml for jakegornall/learn_structs written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakegornall/learn_structs/Cargo.toml [INFO] started frobbing jakegornall/learn_structs [INFO] finished frobbing jakegornall/learn_structs [INFO] frobbed toml for jakegornall/learn_structs written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jakegornall/learn_structs/Cargo.toml [INFO] crate jakegornall/learn_structs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jakegornall/learn_structs against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jakegornall/learn_structs:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6ade5d8a810f0531626b8c891f172f89a5efa779677a21b23a7e5d3c0ec8834f [INFO] running `"docker" "start" "-a" "6ade5d8a810f0531626b8c891f172f89a5efa779677a21b23a7e5d3c0ec8834f"` [INFO] [stderr] Checking learn_structs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `"docker" "inspect" "6ade5d8a810f0531626b8c891f172f89a5efa779677a21b23a7e5d3c0ec8834f"` [INFO] running `"docker" "rm" "-f" "6ade5d8a810f0531626b8c891f172f89a5efa779677a21b23a7e5d3c0ec8834f"` [INFO] [stdout] 6ade5d8a810f0531626b8c891f172f89a5efa779677a21b23a7e5d3c0ec8834f