[INFO] updating cached repository xanahopper/leetcode
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xanahopper/leetcode
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xanahopper/leetcode" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xanahopper/leetcode"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xanahopper/leetcode'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xanahopper/leetcode" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xanahopper/leetcode"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xanahopper/leetcode'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd0e2635ac291b60564ef5ebab5aedefe9749dec
[INFO] sha for GitHub repo xanahopper/leetcode: fd0e2635ac291b60564ef5ebab5aedefe9749dec
[INFO] validating manifest of xanahopper/leetcode 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 xanahopper/leetcode 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 xanahopper/leetcode
[INFO] finished frobbing xanahopper/leetcode
[INFO] frobbed toml for xanahopper/leetcode written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xanahopper/leetcode/Cargo.toml
[INFO] started frobbing xanahopper/leetcode
[INFO] finished frobbing xanahopper/leetcode
[INFO] frobbed toml for xanahopper/leetcode written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xanahopper/leetcode/Cargo.toml
[INFO] crate xanahopper/leetcode 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 xanahopper/leetcode against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xanahopper/leetcode:/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 240e3d5388cf3e41eae139ee8bc8fa72ae446a73dd87ecda87b578177af2fa37
[INFO] running `"docker" "start" "-a" "240e3d5388cf3e41eae139ee8bc8fa72ae446a73dd87ecda87b578177af2fa37"`
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling leetcode_test v0.1.1
[INFO] [stderr]     Checking leetcode_prelude v0.1.2
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.52s
[INFO] running `"docker" "inspect" "240e3d5388cf3e41eae139ee8bc8fa72ae446a73dd87ecda87b578177af2fa37"`
[INFO] running `"docker" "rm" "-f" "240e3d5388cf3e41eae139ee8bc8fa72ae446a73dd87ecda87b578177af2fa37"`
[INFO] [stdout] 240e3d5388cf3e41eae139ee8bc8fa72ae446a73dd87ecda87b578177af2fa37