Sep 10 21:31:54.781 INFO checking cassandra-cpp-sys-0.11.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 21:31:54.781 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 21:31:54.781 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 21:31:54.956 INFO blam! 9b49e1f49160f3ef9bad70162e6d54641a97a54d87360042b3e771bcebaf855c
Sep 10 21:31:54.958 INFO running `"docker" "start" "-a" "9b49e1f49160f3ef9bad70162e6d54641a97a54d87360042b3e771bcebaf855c"`
Sep 10 21:31:56.262 INFO kablam! usermod: no changes
Sep 10 21:31:56.347 INFO kablam!    Compiling cassandra-cpp-sys v0.11.0 (file:///source)
Sep 10 21:32:03.429 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:03.429 INFO kablam!   --> examples/named_parameters.rs:92:13
Sep 10 21:32:03.429 INFO kablam!    |
Sep 10 21:32:03.429 INFO kablam! 92 |         let rc = cass_future_error_code(future);
Sep 10 21:32:03.429 INFO kablam!    |             ^^ help: consider using `_rc` instead
Sep 10 21:32:03.430 INFO kablam!    |
Sep 10 21:32:03.430 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 21:32:03.430 INFO kablam! 
Sep 10 21:32:03.430 INFO kablam! warning: unused variable: `result`
Sep 10 21:32:03.430 INFO kablam!   --> examples/named_parameters.rs:93:13
Sep 10 21:32:03.430 INFO kablam!    |
Sep 10 21:32:03.430 INFO kablam! 93 |         let result = match cass_future_error_code(future) {
Sep 10 21:32:03.430 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Sep 10 21:32:03.430 INFO kablam! 
Sep 10 21:32:03.430 INFO kablam! warning: unused variable: `result`
Sep 10 21:32:03.430 INFO kablam!    --> examples/named_parameters.rs:171:13
Sep 10 21:32:03.430 INFO kablam!     |
Sep 10 21:32:03.430 INFO kablam! 171 |         let result = match connect_session(session, cluster) {
Sep 10 21:32:03.430 INFO kablam!     |             ^^^^^^ help: consider using `_result` instead
Sep 10 21:32:03.430 INFO kablam! 
Sep 10 21:32:03.430 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:03.430 INFO kablam!    --> examples/named_parameters.rs:173:13
Sep 10 21:32:03.430 INFO kablam!     |
Sep 10 21:32:03.430 INFO kablam! 173 |             rc => {
Sep 10 21:32:03.430 INFO kablam!     |             ^^ help: consider using `_rc` instead
Sep 10 21:32:03.430 INFO kablam! 
Sep 10 21:32:03.580 INFO kablam! warning: unused variable: `result`
Sep 10 21:32:03.580 INFO kablam!   --> examples/maps.rs:37:13
Sep 10 21:32:03.580 INFO kablam!    |
Sep 10 21:32:03.580 INFO kablam! 37 |         let result = match cass_future_error_code(future) {
Sep 10 21:32:03.580 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Sep 10 21:32:03.580 INFO kablam!    |
Sep 10 21:32:03.580 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 21:32:03.580 INFO kablam! 
Sep 10 21:32:03.628 INFO kablam! warning: function is never used: `select_from_maps`
Sep 10 21:32:03.628 INFO kablam!   --> examples/maps.rs:52:1
Sep 10 21:32:03.628 INFO kablam!    |
Sep 10 21:32:03.628 INFO kablam! 52 | fn select_from_maps(session: &mut CassSession, key: &str) -> Result<(), CassError> {
Sep 10 21:32:03.628 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 21:32:03.628 INFO kablam!    |
Sep 10 21:32:03.628 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 21:32:03.628 INFO kablam! 
Sep 10 21:32:03.889 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:03.889 INFO kablam!   --> examples/tuple.rs:36:13
Sep 10 21:32:03.889 INFO kablam!    |
Sep 10 21:32:03.889 INFO kablam! 36 |         let rc = cass_future_error_code(future);
Sep 10 21:32:03.889 INFO kablam!    |             ^^ help: consider using `_rc` instead
Sep 10 21:32:03.889 INFO kablam!    |
Sep 10 21:32:03.889 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 21:32:03.889 INFO kablam! 
Sep 10 21:32:03.889 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:03.889 INFO kablam!   --> examples/tuple.rs:39:13
Sep 10 21:32:03.889 INFO kablam!    |
Sep 10 21:32:03.889 INFO kablam! 39 |             rc => print_error(future),
Sep 10 21:32:03.889 INFO kablam!    |             ^^ help: consider using `_rc` instead
Sep 10 21:32:03.889 INFO kablam! 
Sep 10 21:32:04.014 INFO kablam! warning: variable does not need to be mutable
Sep 10 21:32:04.014 INFO kablam!    --> examples/tuple.rs:123:13
Sep 10 21:32:04.014 INFO kablam!     |
Sep 10 21:32:04.014 INFO kablam! 123 |         let mut session = &mut *cass_session_new();
Sep 10 21:32:04.014 INFO kablam!     |             ----^^^^^^^
Sep 10 21:32:04.014 INFO kablam!     |             |
Sep 10 21:32:04.014 INFO kablam!     |             help: remove this `mut`
Sep 10 21:32:04.014 INFO kablam!     |
Sep 10 21:32:04.014 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 21:32:04.014 INFO kablam! 
Sep 10 21:32:04.410 INFO kablam! warning: unused variable: `result`
Sep 10 21:32:04.410 INFO kablam!   --> examples/simple.rs:23:13
Sep 10 21:32:04.410 INFO kablam!    |
Sep 10 21:32:04.410 INFO kablam! 23 |         let result = match cass_future_error_code(connect_future) {
Sep 10 21:32:04.410 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Sep 10 21:32:04.410 INFO kablam!    |
Sep 10 21:32:04.410 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 21:32:04.410 INFO kablam! 
Sep 10 21:32:04.410 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:04.410 INFO kablam!   --> examples/simple.rs:52:21
Sep 10 21:32:04.410 INFO kablam!    |
Sep 10 21:32:04.410 INFO kablam! 52 |                     rc => {
Sep 10 21:32:04.410 INFO kablam!    |                     ^^ help: consider using `_rc` instead
Sep 10 21:32:04.410 INFO kablam! 
Sep 10 21:32:04.410 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:04.410 INFO kablam!   --> examples/simple.rs:70:13
Sep 10 21:32:04.410 INFO kablam!    |
Sep 10 21:32:04.410 INFO kablam! 70 |             rc => {
Sep 10 21:32:04.410 INFO kablam!    |             ^^ help: consider using `_rc` instead
Sep 10 21:32:04.410 INFO kablam! 
Sep 10 21:32:04.586 INFO kablam! warning: unused variable: `rc`
Sep 10 21:32:04.586 INFO kablam!   --> examples/ssl.rs:92:21
Sep 10 21:32:04.586 INFO kablam!    |
Sep 10 21:32:04.586 INFO kablam! 92 |                     rc => {
Sep 10 21:32:04.586 INFO kablam!    |                     ^^ help: consider using `_rc` instead
Sep 10 21:32:04.586 INFO kablam!    |
Sep 10 21:32:04.586 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 21:32:04.586 INFO kablam! 
Sep 10 21:32:05.374 INFO kablam! warning: variable does not need to be mutable
Sep 10 21:32:05.374 INFO kablam!   --> examples/async.rs:54:13
Sep 10 21:32:05.374 INFO kablam!    |
Sep 10 21:32:05.374 INFO kablam! 54 |         let mut cluster = create_cluster();
Sep 10 21:32:05.374 INFO kablam!    |             ----^^^^^^^
Sep 10 21:32:05.374 INFO kablam!    |             |
Sep 10 21:32:05.374 INFO kablam!    |             help: remove this `mut`
Sep 10 21:32:05.374 INFO kablam!    |
Sep 10 21:32:05.374 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 21:32:05.374 INFO kablam! 
Sep 10 21:32:05.774 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
Sep 10 21:32:05.785 INFO kablam! su: No module specific data is present
Sep 10 21:32:06.666 INFO running `"docker" "rm" "-f" "9b49e1f49160f3ef9bad70162e6d54641a97a54d87360042b3e771bcebaf855c"`
Sep 10 21:32:06.791 INFO blam! 9b49e1f49160f3ef9bad70162e6d54641a97a54d87360042b3e771bcebaf855c