[INFO] updating cached repository https://github.com/mwilliamson/rewrite-c-strings
[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] 51f69f60bcdd708223cdc363817b5ae153f003c3
[INFO] testing mwilliamson/rewrite-c-strings against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwilliamson%2Frewrite-c-strings" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwilliamson/rewrite-c-strings on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mwilliamson/rewrite-c-strings
[INFO] finished tweaking git repo https://github.com/mwilliamson/rewrite-c-strings
[INFO] tweaked toml for git repo https://github.com/mwilliamson/rewrite-c-strings written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mwilliamson/rewrite-c-strings already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 8ae94f30289b28d0ef29b4daf216ae158ba181b817e9a5f7fcb76b6bf98c1565
[INFO] running `"docker" "start" "-a" "8ae94f30289b28d0ef29b4daf216ae158ba181b817e9a5f7fcb76b6bf98c1565"`
[INFO] [stderr]    Compiling memmap v0.5.0
[INFO] [stderr]    Compiling clap v2.20.0
[INFO] [stderr]    Compiling rewrite-c-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.44s
[INFO] running `"docker" "inspect" "8ae94f30289b28d0ef29b4daf216ae158ba181b817e9a5f7fcb76b6bf98c1565"`
[INFO] running `"docker" "rm" "-f" "8ae94f30289b28d0ef29b4daf216ae158ba181b817e9a5f7fcb76b6bf98c1565"`
[INFO] [stdout] 8ae94f30289b28d0ef29b4daf216ae158ba181b817e9a5f7fcb76b6bf98c1565
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e805235aded8681e3c7565dc696276a37e5d441d65f1a36ec0549ef173b9fce1
[INFO] running `"docker" "start" "-a" "e805235aded8681e3c7565dc696276a37e5d441d65f1a36ec0549ef173b9fce1"`
[INFO] [stderr]    Compiling rewrite-c-strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "e805235aded8681e3c7565dc696276a37e5d441d65f1a36ec0549ef173b9fce1"`
[INFO] running `"docker" "rm" "-f" "e805235aded8681e3c7565dc696276a37e5d441d65f1a36ec0549ef173b9fce1"`
[INFO] [stdout] e805235aded8681e3c7565dc696276a37e5d441d65f1a36ec0549ef173b9fce1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] fc24c85e6013459a55098e89007be260b14b808b23e09a96b64e1b490b138665
[INFO] running `"docker" "start" "-a" "fc24c85e6013459a55098e89007be260b14b808b23e09a96b64e1b490b138665"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rewrite_c_strings-ef2cfbdca658cf10
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::when_old_is_longer_than_new_and_there_are_no_trailing_characters_then_string_is_padded_with_null ... ok
[INFO] [stdout] test tests::when_buffer_does_not_contain_old_then_buffer_is_unchanged ... ok
[INFO] [stdout] test tests::when_old_is_longer_than_new_and_there_are_characters_after_old_then_trailing_characters_are_shifted ... ok
[INFO] [stdout] test tests::empty_buffer_is_unchanged ... ok
[INFO] [stdout] test tests::when_old_is_same_length_as_new_then_replacement_occurs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc24c85e6013459a55098e89007be260b14b808b23e09a96b64e1b490b138665"`
[INFO] running `"docker" "rm" "-f" "fc24c85e6013459a55098e89007be260b14b808b23e09a96b64e1b490b138665"`
[INFO] [stdout] fc24c85e6013459a55098e89007be260b14b808b23e09a96b64e1b490b138665