[INFO] updating cached repository FuGangqiang/RustPractices
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FuGangqiang/RustPractices
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FuGangqiang/RustPractices" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/FuGangqiang/RustPractices"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/FuGangqiang/RustPractices'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FuGangqiang/RustPractices" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/FuGangqiang/RustPractices"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/FuGangqiang/RustPractices'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebb8c0cc9c3bcbdda3a6a98168da597e8949184f
[INFO] sha for GitHub repo FuGangqiang/RustPractices: ebb8c0cc9c3bcbdda3a6a98168da597e8949184f
[INFO] validating manifest of FuGangqiang/RustPractices on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FuGangqiang/RustPractices on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FuGangqiang/RustPractices
[INFO] finished frobbing FuGangqiang/RustPractices
[INFO] frobbed toml for FuGangqiang/RustPractices written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/FuGangqiang/RustPractices/Cargo.toml
[INFO] started frobbing FuGangqiang/RustPractices
[INFO] finished frobbing FuGangqiang/RustPractices
[INFO] frobbed toml for FuGangqiang/RustPractices written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/FuGangqiang/RustPractices/Cargo.toml
[INFO] crate FuGangqiang/RustPractices already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking FuGangqiang/RustPractices against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-4/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/FuGangqiang/RustPractices:/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2191fd97dc3997ee1110187bf060dad0b52065e03b1138f35d505ac0ae07a750
[INFO] running `"docker" "start" "-a" "2191fd97dc3997ee1110187bf060dad0b52065e03b1138f35d505ac0ae07a750"`
[INFO] [stderr]     Checking practices v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "2191fd97dc3997ee1110187bf060dad0b52065e03b1138f35d505ac0ae07a750"`
[INFO] running `"docker" "rm" "-f" "2191fd97dc3997ee1110187bf060dad0b52065e03b1138f35d505ac0ae07a750"`
[INFO] [stdout] 2191fd97dc3997ee1110187bf060dad0b52065e03b1138f35d505ac0ae07a750