[INFO] updating cached repository bantic/gziprust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bantic/gziprust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bantic/gziprust" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/bantic/gziprust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/bantic/gziprust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bantic/gziprust" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/bantic/gziprust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/bantic/gziprust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8a06773beb4dce265d6406bf2c7b5008a58cf4a
[INFO] sha for GitHub repo bantic/gziprust: e8a06773beb4dce265d6406bf2c7b5008a58cf4a
[INFO] validating manifest of bantic/gziprust on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bantic/gziprust on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bantic/gziprust
[INFO] finished frobbing bantic/gziprust
[INFO] frobbed toml for bantic/gziprust written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/bantic/gziprust/Cargo.toml
[INFO] started frobbing bantic/gziprust
[INFO] finished frobbing bantic/gziprust
[INFO] frobbed toml for bantic/gziprust written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/bantic/gziprust/Cargo.toml
[INFO] crate bantic/gziprust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bantic/gziprust against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-4/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/bantic/gziprust:/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" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 16e4f2013a68a95ef4f206572b2665f4a6df98e3d14bf00dc0f56b0212281fa9
[INFO] running `"docker" "start" "-a" "16e4f2013a68a95ef4f206572b2665f4a6df98e3d14bf00dc0f56b0212281fa9"`
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking gziprust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `"docker" "inspect" "16e4f2013a68a95ef4f206572b2665f4a6df98e3d14bf00dc0f56b0212281fa9"`
[INFO] running `"docker" "rm" "-f" "16e4f2013a68a95ef4f206572b2665f4a6df98e3d14bf00dc0f56b0212281fa9"`
[INFO] [stdout] 16e4f2013a68a95ef4f206572b2665f4a6df98e3d14bf00dc0f56b0212281fa9