Sep 05 01:21:19.766 INFO checking c_string-0.7.1-obsolete against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 05 01:21:19.766 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 05 01:21:19.766 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 01:21:19.931 INFO blam! b2284230c4ac53f12829dd86ad6103c2459950d0d06ef27c35af8214f6da655f
Sep 05 01:21:19.933 INFO running `"docker" "start" "-a" "b2284230c4ac53f12829dd86ad6103c2459950d0d06ef27c35af8214f6da655f"`
Sep 05 01:21:20.747 INFO kablam!     Checking c_string v0.7.1-obsolete (file:///source)
Sep 05 01:21:22.632 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 05 01:21:22.632 INFO kablam!   --> tests/tests.rs:29:14
Sep 05 01:21:22.632 INFO kablam!    |
Sep 05 01:21:22.632 INFO kablam! 29 |     for i in (0 .. len) {
Sep 05 01:21:22.632 INFO kablam!    |              ^^^^^^^^^^ help: remove these parentheses
Sep 05 01:21:22.632 INFO kablam!    |
Sep 05 01:21:22.632 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 05 01:21:22.632 INFO kablam! 
Sep 05 01:21:22.965 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Sep 05 01:21:22.969 INFO kablam! su: No module specific data is present
Sep 05 01:21:23.693 INFO running `"docker" "rm" "-f" "b2284230c4ac53f12829dd86ad6103c2459950d0d06ef27c35af8214f6da655f"`
Sep 05 01:21:23.809 INFO blam! b2284230c4ac53f12829dd86ad6103c2459950d0d06ef27c35af8214f6da655f