Sep 06 02:53:22.364 INFO checking os_type-2.0.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:53:22.364 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:53:22.364 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:53:22.606 INFO blam! a23c8ae6970d5783986aa7b46e10ace8fb905c88d303825931cd55e26f1fd4e6
Sep 06 02:53:22.608 INFO running `"docker" "start" "-a" "a23c8ae6970d5783986aa7b46e10ace8fb905c88d303825931cd55e26f1fd4e6"`
Sep 06 02:53:23.353 INFO kablam! usermod: no changes
Sep 06 02:53:23.387 INFO kablam!     Checking os_type v2.0.0 (file:///source)
Sep 06 02:53:23.703 INFO kablam! warning: struct is never constructed: `WindowsVer`
Sep 06 02:53:23.703 INFO kablam!  --> src/windows_ver.rs:4:1
Sep 06 02:53:23.703 INFO kablam!   |
Sep 06 02:53:23.703 INFO kablam! 4 | pub struct WindowsVer {
Sep 06 02:53:23.703 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.703 INFO kablam!   |
Sep 06 02:53:23.703 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 06 02:53:23.703 INFO kablam! 
Sep 06 02:53:23.703 INFO kablam! warning: function is never used: `retrieve`
Sep 06 02:53:23.703 INFO kablam!  --> src/windows_ver.rs:8:1
Sep 06 02:53:23.703 INFO kablam!   |
Sep 06 02:53:23.703 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Sep 06 02:53:23.703 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.703 INFO kablam! 
Sep 06 02:53:23.703 INFO kablam! warning: function is never used: `parse`
Sep 06 02:53:23.703 INFO kablam!   --> src/windows_ver.rs:17:1
Sep 06 02:53:23.703 INFO kablam!    |
Sep 06 02:53:23.703 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Sep 06 02:53:23.703 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.703 INFO kablam! 
Sep 06 02:53:23.703 INFO kablam! warning: function is never used: `is_os_x`
Sep 06 02:53:23.703 INFO kablam!   --> src/sw_vers.rs:27:1
Sep 06 02:53:23.703 INFO kablam!    |
Sep 06 02:53:23.703 INFO kablam! 27 | pub fn is_os_x() -> bool {
Sep 06 02:53:23.703 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.703 INFO kablam! 
Sep 06 02:53:23.818 INFO kablam! warning: struct is never constructed: `WindowsVer`
Sep 06 02:53:23.818 INFO kablam!  --> src/windows_ver.rs:4:1
Sep 06 02:53:23.818 INFO kablam!   |
Sep 06 02:53:23.818 INFO kablam! 4 | pub struct WindowsVer {
Sep 06 02:53:23.818 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.818 INFO kablam!   |
Sep 06 02:53:23.818 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 06 02:53:23.818 INFO kablam! 
Sep 06 02:53:23.818 INFO kablam! warning: function is never used: `retrieve`
Sep 06 02:53:23.818 INFO kablam!  --> src/windows_ver.rs:8:1
Sep 06 02:53:23.818 INFO kablam!   |
Sep 06 02:53:23.818 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Sep 06 02:53:23.818 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.818 INFO kablam! 
Sep 06 02:53:23.818 INFO kablam! warning: function is never used: `parse`
Sep 06 02:53:23.818 INFO kablam!   --> src/windows_ver.rs:17:1
Sep 06 02:53:23.818 INFO kablam!    |
Sep 06 02:53:23.818 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Sep 06 02:53:23.818 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.818 INFO kablam! 
Sep 06 02:53:23.819 INFO kablam! warning: function is never used: `is_os_x`
Sep 06 02:53:23.819 INFO kablam!   --> src/sw_vers.rs:27:1
Sep 06 02:53:23.819 INFO kablam!    |
Sep 06 02:53:23.819 INFO kablam! 27 | pub fn is_os_x() -> bool {
Sep 06 02:53:23.819 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:23.819 INFO kablam! 
Sep 06 02:53:24.094 INFO kablam! warning: function is never used: `read_file`
Sep 06 02:53:24.094 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Sep 06 02:53:24.094 INFO kablam!    |
Sep 06 02:53:24.094 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Sep 06 02:53:24.094 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.094 INFO kablam!    |
Sep 06 02:53:24.094 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 02:53:24.094 INFO kablam! 
Sep 06 02:53:24.094 INFO kablam! warning: function is never used: `retrieve`
Sep 06 02:53:24.094 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Sep 06 02:53:24.094 INFO kablam!    |
Sep 06 02:53:24.094 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Sep 06 02:53:24.094 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.094 INFO kablam! 
Sep 06 02:53:24.094 INFO kablam! warning: function is never used: `file_exists`
Sep 06 02:53:24.094 INFO kablam!  --> tests/../src/utils.rs:5:1
Sep 06 02:53:24.094 INFO kablam!   |
Sep 06 02:53:24.094 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Sep 06 02:53:24.094 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.094 INFO kablam! 
Sep 06 02:53:24.096 INFO kablam! warning: function is never used: `is_os_x`
Sep 06 02:53:24.096 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Sep 06 02:53:24.096 INFO kablam!    |
Sep 06 02:53:24.096 INFO kablam! 27 | pub fn is_os_x() -> bool {
Sep 06 02:53:24.096 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.096 INFO kablam!    |
Sep 06 02:53:24.096 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 02:53:24.096 INFO kablam! 
Sep 06 02:53:24.097 INFO kablam! warning: function is never used: `retrieve`
Sep 06 02:53:24.097 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Sep 06 02:53:24.097 INFO kablam!    |
Sep 06 02:53:24.097 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Sep 06 02:53:24.097 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.097 INFO kablam! 
Sep 06 02:53:24.097 INFO kablam! warning: function is never used: `file_exists`
Sep 06 02:53:24.097 INFO kablam!  --> tests/../src/utils.rs:5:1
Sep 06 02:53:24.097 INFO kablam!   |
Sep 06 02:53:24.097 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Sep 06 02:53:24.097 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.097 INFO kablam! 
Sep 06 02:53:24.129 INFO kablam! warning: function is never used: `retrieve`
Sep 06 02:53:24.129 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Sep 06 02:53:24.129 INFO kablam!   |
Sep 06 02:53:24.129 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Sep 06 02:53:24.129 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.129 INFO kablam!   |
Sep 06 02:53:24.129 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 06 02:53:24.129 INFO kablam! 
Sep 06 02:53:24.129 INFO kablam! warning: function is never used: `is_available`
Sep 06 02:53:24.129 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Sep 06 02:53:24.129 INFO kablam!    |
Sep 06 02:53:24.129 INFO kablam! 18 | pub fn is_available() -> bool {
Sep 06 02:53:24.129 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.129 INFO kablam! 
Sep 06 02:53:24.129 INFO kablam! warning: function is never used: `file_exists`
Sep 06 02:53:24.129 INFO kablam!  --> tests/../src/utils.rs:5:1
Sep 06 02:53:24.129 INFO kablam!   |
Sep 06 02:53:24.129 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Sep 06 02:53:24.129 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 02:53:24.129 INFO kablam! 
Sep 06 02:53:24.144 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Sep 06 02:53:24.147 INFO kablam! su: No module specific data is present
Sep 06 02:53:24.703 INFO running `"docker" "rm" "-f" "a23c8ae6970d5783986aa7b46e10ace8fb905c88d303825931cd55e26f1fd4e6"`
Sep 06 02:53:24.762 INFO blam! a23c8ae6970d5783986aa7b46e10ace8fb905c88d303825931cd55e26f1fd4e6