Repetition of test on the same commit

[FlixCoder]

The tool seems to repeat testing the same commit another time if the commit is at the end of the range:

get_commits_between returning commits, len: 5
  commit[0] 2025-06-27: Auto merge of #143064 - flip1995:clippy-subtree-update, r=GuillaumeGomez
  commit[1] 2025-06-27: Auto merge of #143116 - matthiaskrgr:rollup-zy9ez06, r=matthiaskrgr
  commit[2] 2025-06-28: Auto merge of #141759 - 1c3t3a:discriminants-query, r=saethlin
  commit[3] 2025-06-28: Auto merge of #142317 - compiler-errors:perf-fold, r=lcnr
  commit[4] 2025-06-28: Auto merge of #142625 - cjgillot:inline-nocycle, r=oli-obk
validated commits found, specifying toolchains

checking the start range to verify it passes
installing bdaba05a953eb5abeba0011cdda2560d157aed2e
rust-std-nightly-x86_64-unknown-linux-gnu: 31.03 MB / 31.03 MB [=========================================================================================================] 100.00 % 8.77 MB/s testing...
RESULT: bdaba05a953eb5abeba0011cdda2560d157aed2e, ===> Successfully compiled
uninstalling bdaba05a953eb5abeba0011cdda2560d157aed2e

checking the end range to verify it does not pass
installing 11ad40bb839ca16f74784b4ab72596ad85587298
rust-std-nightly-x86_64-unknown-linux-gnu: 31.03 MB / 31.03 MB [=========================================================================================================] 100.00 % 8.57 MB/s testing...
RESULT: 11ad40bb839ca16f74784b4ab72596ad85587298, ===> Compile error
uninstalling 11ad40bb839ca16f74784b4ab72596ad85587298

2 versions remaining to test after this (roughly 2 steps)
installing b63223c152212832ce37a109e26cc5f84c577532
rust-std-nightly-x86_64-unknown-linux-gnu: 31.01 MB / 31.01 MB [=========================================================================================================] 100.00 % 9.24 MB/s testing...
RESULT: b63223c152212832ce37a109e26cc5f84c577532, ===> Successfully compiled
uninstalling b63223c152212832ce37a109e26cc5f84c577532

1 versions remaining to test after this (roughly 1 steps)
installing 7ba34c704529e7fcab80130c3fe40efe415d61b5
rust-std-nightly-x86_64-unknown-linux-gnu: 31.07 MB / 31.07 MB [=========================================================================================================] 100.00 % 9.23 MB/s testing...
RESULT: 7ba34c704529e7fcab80130c3fe40efe415d61b5, ===> Successfully compiled
uninstalling 7ba34c704529e7fcab80130c3fe40efe415d61b5

searched toolchains bdaba05a953eb5abeba0011cdda2560d157aed2e through 11ad40bb839ca16f74784b4ab72596ad85587298
checking last toolchain to determine final result
installing 11ad40bb839ca16f74784b4ab72596ad85587298
rust-std-nightly-x86_64-unknown-linux-gnu: 31.03 MB / 31.03 MB [========================================================================================================] 100.00 % 12.00 MB/s testing...
uninstalling 11ad40bb839ca16f74784b4ab72596ad85587298