[INFO] cloning repository brettcannon/flatten_filenames
[INFO] running `"git" "clone" "--bare" "git://github.com/brettcannon/flatten_filenames.git" "work/cache/sources/gh/brettcannon/flatten_filenames"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/brettcannon/flatten_filenames'...
[INFO] running `"git" "clone" "work/cache/sources/gh/brettcannon/flatten_filenames" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brettcannon/flatten_filenames"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brettcannon/flatten_filenames'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brettcannon/flatten_filenames" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/brettcannon/flatten_filenames"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/brettcannon/flatten_filenames'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07caf91067bc8f95b5d87403cba8d100511eb9a9
[INFO] sha for GitHub repo brettcannon/flatten_filenames: 07caf91067bc8f95b5d87403cba8d100511eb9a9
[INFO] validating manifest of brettcannon/flatten_filenames on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brettcannon/flatten_filenames on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brettcannon/flatten_filenames
[INFO] finished frobbing brettcannon/flatten_filenames
[INFO] frobbed toml for brettcannon/flatten_filenames written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brettcannon/flatten_filenames/Cargo.toml
[INFO] started frobbing brettcannon/flatten_filenames
[INFO] finished frobbing brettcannon/flatten_filenames
[INFO] frobbed toml for brettcannon/flatten_filenames written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/brettcannon/flatten_filenames/Cargo.toml
[INFO] crate brettcannon/flatten_filenames already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing brettcannon/flatten_filenames against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brettcannon/flatten_filenames:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 56048f31038068f1ea006d33d7eb1b083b652b7debc7e2251c97180ed6b41cb5
[INFO] running `"docker" "start" "-a" "56048f31038068f1ea006d33d7eb1b083b652b7debc7e2251c97180ed6b41cb5"`
[INFO] [stderr]    Compiling flatten_filenames v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "56048f31038068f1ea006d33d7eb1b083b652b7debc7e2251c97180ed6b41cb5"`
[INFO] running `"docker" "rm" "-f" "56048f31038068f1ea006d33d7eb1b083b652b7debc7e2251c97180ed6b41cb5"`
[INFO] [stdout] 56048f31038068f1ea006d33d7eb1b083b652b7debc7e2251c97180ed6b41cb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brettcannon/flatten_filenames:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21bb07f9c191bfb27f86a14608973f5b162acc6d40e274554761ae86fe9d06ed
[INFO] running `"docker" "start" "-a" "21bb07f9c191bfb27f86a14608973f5b162acc6d40e274554761ae86fe9d06ed"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling flatten_filenames v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "21bb07f9c191bfb27f86a14608973f5b162acc6d40e274554761ae86fe9d06ed"`
[INFO] running `"docker" "rm" "-f" "21bb07f9c191bfb27f86a14608973f5b162acc6d40e274554761ae86fe9d06ed"`
[INFO] [stdout] 21bb07f9c191bfb27f86a14608973f5b162acc6d40e274554761ae86fe9d06ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/brettcannon/flatten_filenames:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 1f0948b7348296657d8240f71792e4da5619037498fd89a2f2babb3ed143810c
[INFO] running `"docker" "start" "-a" "1f0948b7348296657d8240f71792e4da5619037498fd89a2f2babb3ed143810c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flatten_filenames-3c23443d53c4938f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::new_prefix_empty_old_prefix ... ok
[INFO] [stdout] test test::leading_char_for_filename ... ok
[INFO] [stdout] test test::new_prefix_works ... ok
[INFO] [stdout] test test::new_prefix_leading_dash_or_plus ... ok
[INFO] [stdout] test test::should_traverse_not_leading_dot_or_underscore ... ok
[INFO] [stdout] test test::should_traverse_not_dir ... ok
[INFO] [stdout] test test::should_traverse_directory ... ok
[INFO] [stdout] test test::flatten_works ... ok
[INFO] [stdout] test test::rename_skips_dot_files ... ok
[INFO] [stdout] test test::rename_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1f0948b7348296657d8240f71792e4da5619037498fd89a2f2babb3ed143810c"`
[INFO] running `"docker" "rm" "-f" "1f0948b7348296657d8240f71792e4da5619037498fd89a2f2babb3ed143810c"`
[INFO] [stdout] 1f0948b7348296657d8240f71792e4da5619037498fd89a2f2babb3ed143810c