Aug 31 19:29:51.723 INFO checking os_type-2.0.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 19:29:51.723 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 19:29:51.724 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 19:29:51.864 INFO blam! 3d8e94057cb4a4280ba190ff0a12b6f81edb0bd1c230a53d6c3230290d4a5f73
Aug 31 19:29:51.866 INFO running `"docker" "start" "-a" "3d8e94057cb4a4280ba190ff0a12b6f81edb0bd1c230a53d6c3230290d4a5f73"`
Aug 31 19:29:52.630 INFO kablam!     Checking os_type v2.0.0 (file:///source)
Aug 31 19:29:53.419 INFO kablam! warning: struct is never constructed: `WindowsVer`
Aug 31 19:29:53.419 INFO kablam!  --> src/windows_ver.rs:4:1
Aug 31 19:29:53.419 INFO kablam!   |
Aug 31 19:29:53.419 INFO kablam! 4 | pub struct WindowsVer {
Aug 31 19:29:53.419 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.419 INFO kablam!   |
Aug 31 19:29:53.419 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 19:29:53.419 INFO kablam! 
Aug 31 19:29:53.419 INFO kablam! warning: function is never used: `retrieve`
Aug 31 19:29:53.420 INFO kablam!  --> src/windows_ver.rs:8:1
Aug 31 19:29:53.420 INFO kablam!   |
Aug 31 19:29:53.420 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Aug 31 19:29:53.420 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.420 INFO kablam! 
Aug 31 19:29:53.420 INFO kablam! warning: function is never used: `parse`
Aug 31 19:29:53.420 INFO kablam!   --> src/windows_ver.rs:17:1
Aug 31 19:29:53.420 INFO kablam!    |
Aug 31 19:29:53.420 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Aug 31 19:29:53.420 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.420 INFO kablam! 
Aug 31 19:29:53.420 INFO kablam! warning: function is never used: `is_os_x`
Aug 31 19:29:53.420 INFO kablam!   --> src/sw_vers.rs:27:1
Aug 31 19:29:53.420 INFO kablam!    |
Aug 31 19:29:53.420 INFO kablam! 27 | pub fn is_os_x() -> bool {
Aug 31 19:29:53.420 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.420 INFO kablam! 
Aug 31 19:29:53.503 INFO kablam! warning: struct is never constructed: `WindowsVer`
Aug 31 19:29:53.504 INFO kablam!  --> src/windows_ver.rs:4:1
Aug 31 19:29:53.504 INFO kablam!   |
Aug 31 19:29:53.504 INFO kablam! 4 | pub struct WindowsVer {
Aug 31 19:29:53.504 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.504 INFO kablam!   |
Aug 31 19:29:53.504 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 19:29:53.504 INFO kablam! 
Aug 31 19:29:53.504 INFO kablam! warning: function is never used: `retrieve`
Aug 31 19:29:53.504 INFO kablam!  --> src/windows_ver.rs:8:1
Aug 31 19:29:53.504 INFO kablam!   |
Aug 31 19:29:53.504 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Aug 31 19:29:53.504 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.504 INFO kablam! 
Aug 31 19:29:53.504 INFO kablam! warning: function is never used: `parse`
Aug 31 19:29:53.504 INFO kablam!   --> src/windows_ver.rs:17:1
Aug 31 19:29:53.504 INFO kablam!    |
Aug 31 19:29:53.504 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Aug 31 19:29:53.504 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.504 INFO kablam! 
Aug 31 19:29:53.505 INFO kablam! warning: function is never used: `is_os_x`
Aug 31 19:29:53.505 INFO kablam!   --> src/sw_vers.rs:27:1
Aug 31 19:29:53.505 INFO kablam!    |
Aug 31 19:29:53.505 INFO kablam! 27 | pub fn is_os_x() -> bool {
Aug 31 19:29:53.505 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:53.505 INFO kablam! 
Aug 31 19:29:54.272 INFO kablam! warning: function is never used: `read_file`
Aug 31 19:29:54.272 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Aug 31 19:29:54.272 INFO kablam!    |
Aug 31 19:29:54.272 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Aug 31 19:29:54.272 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.272 INFO kablam!    |
Aug 31 19:29:54.272 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 19:29:54.272 INFO kablam! 
Aug 31 19:29:54.272 INFO kablam! warning: function is never used: `retrieve`
Aug 31 19:29:54.272 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Aug 31 19:29:54.272 INFO kablam!    |
Aug 31 19:29:54.272 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Aug 31 19:29:54.272 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.272 INFO kablam! 
Aug 31 19:29:54.272 INFO kablam! warning: function is never used: `file_exists`
Aug 31 19:29:54.273 INFO kablam!  --> tests/../src/utils.rs:5:1
Aug 31 19:29:54.273 INFO kablam!   |
Aug 31 19:29:54.273 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Aug 31 19:29:54.273 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.273 INFO kablam! 
Aug 31 19:29:54.308 INFO kablam! warning: function is never used: `retrieve`
Aug 31 19:29:54.308 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Aug 31 19:29:54.308 INFO kablam!   |
Aug 31 19:29:54.309 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Aug 31 19:29:54.309 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.309 INFO kablam!   |
Aug 31 19:29:54.309 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 31 19:29:54.309 INFO kablam! 
Aug 31 19:29:54.309 INFO kablam! warning: function is never used: `is_available`
Aug 31 19:29:54.309 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Aug 31 19:29:54.309 INFO kablam!    |
Aug 31 19:29:54.309 INFO kablam! 18 | pub fn is_available() -> bool {
Aug 31 19:29:54.309 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.309 INFO kablam! 
Aug 31 19:29:54.309 INFO kablam! warning: function is never used: `file_exists`
Aug 31 19:29:54.309 INFO kablam!  --> tests/../src/utils.rs:5:1
Aug 31 19:29:54.309 INFO kablam!   |
Aug 31 19:29:54.309 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Aug 31 19:29:54.309 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.309 INFO kablam! 
Aug 31 19:29:54.338 INFO kablam! warning: function is never used: `is_os_x`
Aug 31 19:29:54.338 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Aug 31 19:29:54.338 INFO kablam!    |
Aug 31 19:29:54.338 INFO kablam! 27 | pub fn is_os_x() -> bool {
Aug 31 19:29:54.338 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.338 INFO kablam!    |
Aug 31 19:29:54.338 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 19:29:54.338 INFO kablam! 
Aug 31 19:29:54.338 INFO kablam! warning: function is never used: `retrieve`
Aug 31 19:29:54.338 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Aug 31 19:29:54.338 INFO kablam!    |
Aug 31 19:29:54.338 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Aug 31 19:29:54.338 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.338 INFO kablam! 
Aug 31 19:29:54.338 INFO kablam! warning: function is never used: `file_exists`
Aug 31 19:29:54.338 INFO kablam!  --> tests/../src/utils.rs:5:1
Aug 31 19:29:54.338 INFO kablam!   |
Aug 31 19:29:54.338 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Aug 31 19:29:54.338 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:29:54.338 INFO kablam! 
Aug 31 19:29:54.353 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Aug 31 19:29:54.358 INFO kablam! su: No module specific data is present
Aug 31 19:29:54.709 INFO running `"docker" "rm" "-f" "3d8e94057cb4a4280ba190ff0a12b6f81edb0bd1c230a53d6c3230290d4a5f73"`
Aug 31 19:29:54.808 INFO blam! 3d8e94057cb4a4280ba190ff0a12b6f81edb0bd1c230a53d6c3230290d4a5f73