[INFO] updating cached repository chrisshyi/MinHeap
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chrisshyi/MinHeap
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chrisshyi/MinHeap" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/chrisshyi/MinHeap"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/chrisshyi/MinHeap'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chrisshyi/MinHeap" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/chrisshyi/MinHeap"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/chrisshyi/MinHeap'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d740e76adb988c43a0c63dc862e8aa587aece0d
[INFO] sha for GitHub repo chrisshyi/MinHeap: 3d740e76adb988c43a0c63dc862e8aa587aece0d
[INFO] validating manifest of chrisshyi/MinHeap on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chrisshyi/MinHeap on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chrisshyi/MinHeap
[INFO] finished frobbing chrisshyi/MinHeap
[INFO] frobbed toml for chrisshyi/MinHeap written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/chrisshyi/MinHeap/Cargo.toml
[INFO] started frobbing chrisshyi/MinHeap
[INFO] finished frobbing chrisshyi/MinHeap
[INFO] frobbed toml for chrisshyi/MinHeap written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/chrisshyi/MinHeap/Cargo.toml
[INFO] crate chrisshyi/MinHeap has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chrisshyi/MinHeap against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-3/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/chrisshyi/MinHeap:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23485cfdab817ab630956203e3fc9e9e76ec19ad99c6e1b918cfcd4e1a7fdf4d
[INFO] running `"docker" "start" "-a" "23485cfdab817ab630956203e3fc9e9e76ec19ad99c6e1b918cfcd4e1a7fdf4d"`
[INFO] [stderr]     Checking min_heap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "23485cfdab817ab630956203e3fc9e9e76ec19ad99c6e1b918cfcd4e1a7fdf4d"`
[INFO] running `"docker" "rm" "-f" "23485cfdab817ab630956203e3fc9e9e76ec19ad99c6e1b918cfcd4e1a7fdf4d"`
[INFO] [stdout] 23485cfdab817ab630956203e3fc9e9e76ec19ad99c6e1b918cfcd4e1a7fdf4d