[INFO] updating cached repository mstange/merge-dags
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mstange/merge-dags
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mstange/merge-dags" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mstange/merge-dags"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mstange/merge-dags'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mstange/merge-dags" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mstange/merge-dags"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mstange/merge-dags'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab5626cdda1412d1833c8a6d5c08a57ee90ab230
[INFO] sha for GitHub repo mstange/merge-dags: ab5626cdda1412d1833c8a6d5c08a57ee90ab230
[INFO] validating manifest of mstange/merge-dags on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mstange/merge-dags on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mstange/merge-dags
[INFO] finished frobbing mstange/merge-dags
[INFO] frobbed toml for mstange/merge-dags written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mstange/merge-dags/Cargo.toml
[INFO] started frobbing mstange/merge-dags
[INFO] finished frobbing mstange/merge-dags
[INFO] frobbed toml for mstange/merge-dags written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mstange/merge-dags/Cargo.toml
[INFO] crate mstange/merge-dags already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mstange/merge-dags against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mstange/merge-dags:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36ff3302a4f4715c7b8d6ec4f5980c3129b9757bcabc15122818c09223e6fd43
[INFO] running `"docker" "start" "-a" "36ff3302a4f4715c7b8d6ec4f5980c3129b9757bcabc15122818c09223e6fd43"`
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking euclid v0.17.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking merge-dags v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "36ff3302a4f4715c7b8d6ec4f5980c3129b9757bcabc15122818c09223e6fd43"`
[INFO] running `"docker" "rm" "-f" "36ff3302a4f4715c7b8d6ec4f5980c3129b9757bcabc15122818c09223e6fd43"`
[INFO] [stdout] 36ff3302a4f4715c7b8d6ec4f5980c3129b9757bcabc15122818c09223e6fd43