[INFO] updating cached repository defcronyke/rust-struct-optional-field [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/defcronyke/rust-struct-optional-field [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/defcronyke/rust-struct-optional-field" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/defcronyke/rust-struct-optional-field"` [INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/defcronyke/rust-struct-optional-field'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/defcronyke/rust-struct-optional-field" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/defcronyke/rust-struct-optional-field"` [INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/defcronyke/rust-struct-optional-field'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8e1a9be00ad9c6bb799070db1c948f7463a849d7 [INFO] sha for GitHub repo defcronyke/rust-struct-optional-field: 8e1a9be00ad9c6bb799070db1c948f7463a849d7 [INFO] validating manifest of defcronyke/rust-struct-optional-field on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of defcronyke/rust-struct-optional-field on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing defcronyke/rust-struct-optional-field [INFO] finished frobbing defcronyke/rust-struct-optional-field [INFO] frobbed toml for defcronyke/rust-struct-optional-field written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/defcronyke/rust-struct-optional-field/Cargo.toml [INFO] started frobbing defcronyke/rust-struct-optional-field [INFO] finished frobbing defcronyke/rust-struct-optional-field [INFO] frobbed toml for defcronyke/rust-struct-optional-field written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/defcronyke/rust-struct-optional-field/Cargo.toml [INFO] crate defcronyke/rust-struct-optional-field has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking defcronyke/rust-struct-optional-field against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-1/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/defcronyke/rust-struct-optional-field:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 199bfdf7472dea95098a1cf2a180e78efa395d66a1756f835e0b791a9afbb249 [INFO] running `"docker" "start" "-a" "199bfdf7472dea95098a1cf2a180e78efa395d66a1756f835e0b791a9afbb249"` [INFO] [stderr] Checking struct-test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "199bfdf7472dea95098a1cf2a180e78efa395d66a1756f835e0b791a9afbb249"` [INFO] running `"docker" "rm" "-f" "199bfdf7472dea95098a1cf2a180e78efa395d66a1756f835e0b791a9afbb249"` [INFO] [stdout] 199bfdf7472dea95098a1cf2a180e78efa395d66a1756f835e0b791a9afbb249