Sep 17 20:24:28.945 INFO checking os_type-2.0.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 20:24:28.945 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 20:24:28.945 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 20:24:29.105 INFO blam! a98a85d3b705c679c83967df8d0debe539763c1914ae279b53f6663f2bfc9f33
Sep 17 20:24:29.107 INFO running `"docker" "start" "-a" "a98a85d3b705c679c83967df8d0debe539763c1914ae279b53f6663f2bfc9f33"`
Sep 17 20:24:30.113 INFO kablam! usermod: no changes
Sep 17 20:24:30.181 INFO kablam!     Checking os_type v2.0.0 (/source)
Sep 17 20:24:30.561 INFO kablam! warning: struct is never constructed: `WindowsVer`
Sep 17 20:24:30.561 INFO kablam!  --> src/windows_ver.rs:4:1
Sep 17 20:24:30.561 INFO kablam!   |
Sep 17 20:24:30.561 INFO kablam! 4 | pub struct WindowsVer {
Sep 17 20:24:30.561 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.561 INFO kablam!   |
Sep 17 20:24:30.561 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 20:24:30.561 INFO kablam! 
Sep 17 20:24:30.561 INFO kablam! warning: function is never used: `retrieve`
Sep 17 20:24:30.561 INFO kablam!  --> src/windows_ver.rs:8:1
Sep 17 20:24:30.561 INFO kablam!   |
Sep 17 20:24:30.561 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Sep 17 20:24:30.561 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.561 INFO kablam! 
Sep 17 20:24:30.561 INFO kablam! warning: function is never used: `parse`
Sep 17 20:24:30.561 INFO kablam!   --> src/windows_ver.rs:17:1
Sep 17 20:24:30.561 INFO kablam!    |
Sep 17 20:24:30.562 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Sep 17 20:24:30.562 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.562 INFO kablam! 
Sep 17 20:24:30.562 INFO kablam! warning: function is never used: `is_os_x`
Sep 17 20:24:30.562 INFO kablam!   --> src/sw_vers.rs:27:1
Sep 17 20:24:30.562 INFO kablam!    |
Sep 17 20:24:30.562 INFO kablam! 27 | pub fn is_os_x() -> bool {
Sep 17 20:24:30.562 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.562 INFO kablam! 
Sep 17 20:24:30.624 INFO kablam! warning: struct is never constructed: `WindowsVer`
Sep 17 20:24:30.624 INFO kablam!  --> src/windows_ver.rs:4:1
Sep 17 20:24:30.624 INFO kablam!   |
Sep 17 20:24:30.624 INFO kablam! 4 | pub struct WindowsVer {
Sep 17 20:24:30.624 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.624 INFO kablam!   |
Sep 17 20:24:30.624 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 20:24:30.624 INFO kablam! 
Sep 17 20:24:30.624 INFO kablam! warning: function is never used: `retrieve`
Sep 17 20:24:30.624 INFO kablam!  --> src/windows_ver.rs:8:1
Sep 17 20:24:30.624 INFO kablam!   |
Sep 17 20:24:30.624 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Sep 17 20:24:30.624 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.624 INFO kablam! 
Sep 17 20:24:30.624 INFO kablam! warning: function is never used: `parse`
Sep 17 20:24:30.624 INFO kablam!   --> src/windows_ver.rs:17:1
Sep 17 20:24:30.624 INFO kablam!    |
Sep 17 20:24:30.624 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Sep 17 20:24:30.624 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.625 INFO kablam! 
Sep 17 20:24:30.625 INFO kablam! warning: function is never used: `is_os_x`
Sep 17 20:24:30.625 INFO kablam!   --> src/sw_vers.rs:27:1
Sep 17 20:24:30.625 INFO kablam!    |
Sep 17 20:24:30.625 INFO kablam! 27 | pub fn is_os_x() -> bool {
Sep 17 20:24:30.625 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:30.625 INFO kablam! 
Sep 17 20:24:31.063 INFO kablam! warning: function is never used: `retrieve`
Sep 17 20:24:31.063 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Sep 17 20:24:31.063 INFO kablam!   |
Sep 17 20:24:31.063 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Sep 17 20:24:31.063 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.063 INFO kablam!   |
Sep 17 20:24:31.063 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 17 20:24:31.063 INFO kablam! 
Sep 17 20:24:31.063 INFO kablam! warning: function is never used: `is_available`
Sep 17 20:24:31.063 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Sep 17 20:24:31.063 INFO kablam!    |
Sep 17 20:24:31.063 INFO kablam! 18 | pub fn is_available() -> bool {
Sep 17 20:24:31.063 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.063 INFO kablam! 
Sep 17 20:24:31.063 INFO kablam! warning: function is never used: `file_exists`
Sep 17 20:24:31.063 INFO kablam!  --> tests/../src/utils.rs:5:1
Sep 17 20:24:31.063 INFO kablam!   |
Sep 17 20:24:31.063 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Sep 17 20:24:31.063 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.063 INFO kablam! 
Sep 17 20:24:31.102 INFO kablam! warning: function is never used: `is_os_x`
Sep 17 20:24:31.102 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Sep 17 20:24:31.102 INFO kablam!    |
Sep 17 20:24:31.102 INFO kablam! 27 | pub fn is_os_x() -> bool {
Sep 17 20:24:31.102 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.102 INFO kablam!    |
Sep 17 20:24:31.102 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 17 20:24:31.102 INFO kablam! 
Sep 17 20:24:31.102 INFO kablam! warning: function is never used: `retrieve`
Sep 17 20:24:31.102 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Sep 17 20:24:31.102 INFO kablam!    |
Sep 17 20:24:31.102 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Sep 17 20:24:31.102 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.102 INFO kablam! 
Sep 17 20:24:31.102 INFO kablam! warning: function is never used: `file_exists`
Sep 17 20:24:31.102 INFO kablam!  --> tests/../src/utils.rs:5:1
Sep 17 20:24:31.102 INFO kablam!   |
Sep 17 20:24:31.102 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Sep 17 20:24:31.102 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.102 INFO kablam! 
Sep 17 20:24:31.119 INFO kablam! warning: function is never used: `read_file`
Sep 17 20:24:31.119 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Sep 17 20:24:31.119 INFO kablam!    |
Sep 17 20:24:31.119 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Sep 17 20:24:31.119 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.119 INFO kablam!    |
Sep 17 20:24:31.119 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 17 20:24:31.119 INFO kablam! 
Sep 17 20:24:31.119 INFO kablam! warning: function is never used: `retrieve`
Sep 17 20:24:31.119 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Sep 17 20:24:31.119 INFO kablam!    |
Sep 17 20:24:31.119 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Sep 17 20:24:31.119 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.119 INFO kablam! 
Sep 17 20:24:31.119 INFO kablam! warning: function is never used: `file_exists`
Sep 17 20:24:31.119 INFO kablam!  --> tests/../src/utils.rs:5:1
Sep 17 20:24:31.119 INFO kablam!   |
Sep 17 20:24:31.119 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Sep 17 20:24:31.119 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 20:24:31.119 INFO kablam! 
Sep 17 20:24:31.139 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Sep 17 20:24:31.143 INFO kablam! su: No module specific data is present
Sep 17 20:24:31.838 INFO running `"docker" "rm" "-f" "a98a85d3b705c679c83967df8d0debe539763c1914ae279b53f6663f2bfc9f33"`
Sep 17 20:24:31.924 INFO blam! a98a85d3b705c679c83967df8d0debe539763c1914ae279b53f6663f2bfc9f33