[INFO] updating cached repository chrissharp80/union_find
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chrissharp80/union_find
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chrissharp80/union_find" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/chrissharp80/union_find"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/chrissharp80/union_find'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chrissharp80/union_find" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/chrissharp80/union_find"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/chrissharp80/union_find'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] acde0c8babc0ba9c94886de21d973840dff56829
[INFO] sha for GitHub repo chrissharp80/union_find: acde0c8babc0ba9c94886de21d973840dff56829
[INFO] validating manifest of chrissharp80/union_find on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chrissharp80/union_find on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chrissharp80/union_find
[INFO] finished frobbing chrissharp80/union_find
[INFO] frobbed toml for chrissharp80/union_find written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/chrissharp80/union_find/Cargo.toml
[INFO] started frobbing chrissharp80/union_find
[INFO] finished frobbing chrissharp80/union_find
[INFO] frobbed toml for chrissharp80/union_find written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/chrissharp80/union_find/Cargo.toml
[INFO] crate chrissharp80/union_find already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chrissharp80/union_find against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/chrissharp80/union_find:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dd2fd797d43a1f9deb9f466d69c4b9d45047c36d7bd2dd8b3d316f1ec6c46997
[INFO] running `"docker" "start" "-a" "dd2fd797d43a1f9deb9f466d69c4b9d45047c36d7bd2dd8b3d316f1ec6c46997"`
[INFO] [stderr]     Checking union_find v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "dd2fd797d43a1f9deb9f466d69c4b9d45047c36d7bd2dd8b3d316f1ec6c46997"`
[INFO] running `"docker" "rm" "-f" "dd2fd797d43a1f9deb9f466d69c4b9d45047c36d7bd2dd8b3d316f1ec6c46997"`
[INFO] [stdout] dd2fd797d43a1f9deb9f466d69c4b9d45047c36d7bd2dd8b3d316f1ec6c46997