[INFO] updating cached repository https://github.com/brettcannon/flatten_filenames
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07caf91067bc8f95b5d87403cba8d100511eb9a9
[INFO] testing brettcannon/flatten_filenames against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrettcannon%2Fflatten_filenames" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brettcannon/flatten_filenames on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brettcannon/flatten_filenames
[INFO] finished tweaking git repo https://github.com/brettcannon/flatten_filenames
[INFO] tweaked toml for git repo https://github.com/brettcannon/flatten_filenames written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/brettcannon/flatten_filenames already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] fb7d4d50a4bdb67b4ce9dff25b5e0ea0bd3c966415fcacbfbb0ab0cc726b8de4
[INFO] running `"docker" "start" "-a" "fb7d4d50a4bdb67b4ce9dff25b5e0ea0bd3c966415fcacbfbb0ab0cc726b8de4"`
[INFO] [stderr]    Compiling flatten_filenames v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `"docker" "inspect" "fb7d4d50a4bdb67b4ce9dff25b5e0ea0bd3c966415fcacbfbb0ab0cc726b8de4"`
[INFO] running `"docker" "rm" "-f" "fb7d4d50a4bdb67b4ce9dff25b5e0ea0bd3c966415fcacbfbb0ab0cc726b8de4"`
[INFO] [stdout] fb7d4d50a4bdb67b4ce9dff25b5e0ea0bd3c966415fcacbfbb0ab0cc726b8de4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] de72094b578d69dbe93e4d8477a9b32903d32ebf65e1e8dbaf127d26efa6e343
[INFO] running `"docker" "start" "-a" "de72094b578d69dbe93e4d8477a9b32903d32ebf65e1e8dbaf127d26efa6e343"`
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling flatten_filenames v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "de72094b578d69dbe93e4d8477a9b32903d32ebf65e1e8dbaf127d26efa6e343"`
[INFO] running `"docker" "rm" "-f" "de72094b578d69dbe93e4d8477a9b32903d32ebf65e1e8dbaf127d26efa6e343"`
[INFO] [stdout] de72094b578d69dbe93e4d8477a9b32903d32ebf65e1e8dbaf127d26efa6e343
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f3adb039aa3e23943159114d9dea7bcbf4693ecdb3a8aeb52abc540b0f6e3b91
[INFO] running `"docker" "start" "-a" "f3adb039aa3e23943159114d9dea7bcbf4693ecdb3a8aeb52abc540b0f6e3b91"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatten_filenames-89770ebb5a32fd96
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::new_prefix_works ... ok
[INFO] [stdout] test test::new_prefix_empty_old_prefix ... ok
[INFO] [stdout] test test::new_prefix_leading_dash_or_plus ... ok
[INFO] [stdout] test test::leading_char_for_filename ... ok
[INFO] [stdout] test test::should_traverse_not_leading_dot_or_underscore ... ok
[INFO] [stdout] test test::should_traverse_directory ... ok
[INFO] [stdout] test test::rename_skips_dot_files ... ok
[INFO] [stdout] test test::rename_works ... ok
[INFO] [stdout] test test::should_traverse_not_dir ... ok
[INFO] [stdout] test test::flatten_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" "f3adb039aa3e23943159114d9dea7bcbf4693ecdb3a8aeb52abc540b0f6e3b91"`
[INFO] running `"docker" "rm" "-f" "f3adb039aa3e23943159114d9dea7bcbf4693ecdb3a8aeb52abc540b0f6e3b91"`
[INFO] [stdout] f3adb039aa3e23943159114d9dea7bcbf4693ecdb3a8aeb52abc540b0f6e3b91