Nov 01 16:53:32.759 INFO checking rustils-0.1.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 16:53:32.759 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 16:53:33.121 INFO blam! 1eaa6814d96670da52aa505be026ac3b6b13e5e855597b6627f97541ef9968d2
Nov 01 16:53:33.126 INFO running `"docker" "start" "-a" "1eaa6814d96670da52aa505be026ac3b6b13e5e855597b6627f97541ef9968d2"`
Nov 01 16:53:34.062 INFO kablam! usermod: no changes
Nov 01 16:53:34.120 INFO kablam!     Checking rustils v0.1.0 (/source)
Nov 01 16:53:36.381 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 16:53:36.381 INFO kablam!    --> src/string.rs:350:9
Nov 01 16:53:36.381 INFO kablam!     |
Nov 01 16:53:36.382 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Nov 01 16:53:36.382 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:53:36.382 INFO kablam!     |
Nov 01 16:53:36.382 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 16:53:36.383 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 16:53:36.383 INFO kablam! 
Nov 01 16:53:36.383 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 16:53:36.383 INFO kablam!    --> src/string.rs:363:9
Nov 01 16:53:36.384 INFO kablam!     |
Nov 01 16:53:36.384 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Nov 01 16:53:36.384 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:53:36.384 INFO kablam!     |
Nov 01 16:53:36.385 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 16:53:36.385 INFO kablam! 
Nov 01 16:53:36.748 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 16:53:36.748 INFO kablam!    --> src/string.rs:350:9
Nov 01 16:53:36.748 INFO kablam!     |
Nov 01 16:53:36.748 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Nov 01 16:53:36.748 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:53:36.748 INFO kablam!     |
Nov 01 16:53:36.748 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 16:53:36.748 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 16:53:36.748 INFO kablam! 
Nov 01 16:53:36.748 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 16:53:36.748 INFO kablam!    --> src/string.rs:363:9
Nov 01 16:53:36.748 INFO kablam!     |
Nov 01 16:53:36.748 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Nov 01 16:53:36.748 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:53:36.748 INFO kablam!     |
Nov 01 16:53:36.748 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 16:53:36.748 INFO kablam! 
Nov 01 16:53:46.756 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.67s
Nov 01 16:53:46.764 INFO kablam! su: No module specific data is present
Nov 01 16:53:47.146 INFO running `"docker" "rm" "-f" "1eaa6814d96670da52aa505be026ac3b6b13e5e855597b6627f97541ef9968d2"`
Nov 01 16:53:47.284 INFO blam! 1eaa6814d96670da52aa505be026ac3b6b13e5e855597b6627f97541ef9968d2