Oct 27 18:25:12.651 INFO checking os_type-2.2.0 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 18:25:12.656 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 18:25:12.984 INFO blam! 40a360e10a8ccc6201f05a230296adab3bc06077b467d7050f404fcac57bfbb1
Oct 27 18:25:12.986 INFO running `"docker" "start" "-a" "40a360e10a8ccc6201f05a230296adab3bc06077b467d7050f404fcac57bfbb1"`
Oct 27 18:25:14.185 INFO kablam! usermod: no changes
Oct 27 18:25:14.259 INFO kablam!     Checking os_type v2.2.0 (/source)
Oct 27 18:25:15.755 INFO kablam! warning: struct is never constructed: `WindowsVer`
Oct 27 18:25:15.755 INFO kablam!  --> src/windows_ver.rs:4:1
Oct 27 18:25:15.755 INFO kablam!   |
Oct 27 18:25:15.755 INFO kablam! 4 | pub struct WindowsVer {
Oct 27 18:25:15.755 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.755 INFO kablam!   |
Oct 27 18:25:15.755 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 18:25:15.759 INFO kablam! 
Oct 27 18:25:15.760 INFO kablam! warning: function is never used: `retrieve`
Oct 27 18:25:15.760 INFO kablam!  --> src/windows_ver.rs:8:1
Oct 27 18:25:15.760 INFO kablam!   |
Oct 27 18:25:15.760 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Oct 27 18:25:15.760 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.760 INFO kablam! 
Oct 27 18:25:15.760 INFO kablam! warning: function is never used: `parse`
Oct 27 18:25:15.760 INFO kablam!   --> src/windows_ver.rs:17:1
Oct 27 18:25:15.760 INFO kablam!    |
Oct 27 18:25:15.760 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Oct 27 18:25:15.760 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.760 INFO kablam! 
Oct 27 18:25:15.760 INFO kablam! warning: function is never used: `is_os_x`
Oct 27 18:25:15.760 INFO kablam!   --> src/sw_vers.rs:27:1
Oct 27 18:25:15.760 INFO kablam!    |
Oct 27 18:25:15.760 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 27 18:25:15.760 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.760 INFO kablam! 
Oct 27 18:25:15.838 INFO kablam! warning: unused import: `super::*`
Oct 27 18:25:15.839 INFO kablam!   --> src/os_release.rs:60:9
Oct 27 18:25:15.839 INFO kablam!    |
Oct 27 18:25:15.839 INFO kablam! 60 |     use super::*;
Oct 27 18:25:15.839 INFO kablam!    |         ^^^^^^^^
Oct 27 18:25:15.839 INFO kablam!    |
Oct 27 18:25:15.839 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 18:25:15.839 INFO kablam! 
Oct 27 18:25:15.959 INFO kablam! warning: struct is never constructed: `WindowsVer`
Oct 27 18:25:15.959 INFO kablam!  --> src/windows_ver.rs:4:1
Oct 27 18:25:15.959 INFO kablam!   |
Oct 27 18:25:15.959 INFO kablam! 4 | pub struct WindowsVer {
Oct 27 18:25:15.959 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.959 INFO kablam!   |
Oct 27 18:25:15.959 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 18:25:15.959 INFO kablam! 
Oct 27 18:25:15.959 INFO kablam! warning: function is never used: `retrieve`
Oct 27 18:25:15.959 INFO kablam!  --> src/windows_ver.rs:8:1
Oct 27 18:25:15.959 INFO kablam!   |
Oct 27 18:25:15.959 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Oct 27 18:25:15.959 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.959 INFO kablam! 
Oct 27 18:25:15.959 INFO kablam! warning: function is never used: `parse`
Oct 27 18:25:15.959 INFO kablam!   --> src/windows_ver.rs:17:1
Oct 27 18:25:15.959 INFO kablam!    |
Oct 27 18:25:15.959 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Oct 27 18:25:15.959 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.959 INFO kablam! 
Oct 27 18:25:15.959 INFO kablam! warning: function is never used: `is_os_x`
Oct 27 18:25:15.959 INFO kablam!   --> src/sw_vers.rs:27:1
Oct 27 18:25:15.959 INFO kablam!    |
Oct 27 18:25:15.959 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 27 18:25:15.959 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:15.959 INFO kablam! 
Oct 27 18:25:17.055 INFO kablam! warning: function is never used: `is_os_x`
Oct 27 18:25:17.055 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Oct 27 18:25:17.055 INFO kablam!    |
Oct 27 18:25:17.055 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 27 18:25:17.055 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.055 INFO kablam!    |
Oct 27 18:25:17.055 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 18:25:17.055 INFO kablam! 
Oct 27 18:25:17.055 INFO kablam! warning: function is never used: `retrieve`
Oct 27 18:25:17.055 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Oct 27 18:25:17.055 INFO kablam!    |
Oct 27 18:25:17.055 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Oct 27 18:25:17.055 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.055 INFO kablam! 
Oct 27 18:25:17.055 INFO kablam! warning: function is never used: `file_exists`
Oct 27 18:25:17.055 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 27 18:25:17.055 INFO kablam!   |
Oct 27 18:25:17.055 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 27 18:25:17.055 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.055 INFO kablam! 
Oct 27 18:25:17.195 INFO kablam! warning: function is never used: `retrieve`
Oct 27 18:25:17.202 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Oct 27 18:25:17.202 INFO kablam!   |
Oct 27 18:25:17.202 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Oct 27 18:25:17.202 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.202 INFO kablam!   |
Oct 27 18:25:17.202 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 18:25:17.202 INFO kablam! 
Oct 27 18:25:17.202 INFO kablam! warning: function is never used: `is_available`
Oct 27 18:25:17.202 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Oct 27 18:25:17.202 INFO kablam!    |
Oct 27 18:25:17.202 INFO kablam! 18 | pub fn is_available() -> bool {
Oct 27 18:25:17.202 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.202 INFO kablam! 
Oct 27 18:25:17.202 INFO kablam! warning: function is never used: `file_exists`
Oct 27 18:25:17.202 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 27 18:25:17.202 INFO kablam!   |
Oct 27 18:25:17.202 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 27 18:25:17.202 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.202 INFO kablam! 
Oct 27 18:25:17.221 INFO kablam! warning: function is never used: `read_file`
Oct 27 18:25:17.221 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Oct 27 18:25:17.221 INFO kablam!    |
Oct 27 18:25:17.221 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Oct 27 18:25:17.221 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.221 INFO kablam!    |
Oct 27 18:25:17.221 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 18:25:17.221 INFO kablam! 
Oct 27 18:25:17.221 INFO kablam! warning: function is never used: `retrieve`
Oct 27 18:25:17.221 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Oct 27 18:25:17.221 INFO kablam!    |
Oct 27 18:25:17.221 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Oct 27 18:25:17.221 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.221 INFO kablam! 
Oct 27 18:25:17.221 INFO kablam! warning: function is never used: `file_exists`
Oct 27 18:25:17.221 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 27 18:25:17.221 INFO kablam!   |
Oct 27 18:25:17.221 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 27 18:25:17.221 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:25:17.221 INFO kablam! 
Oct 27 18:25:17.231 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
Oct 27 18:25:17.235 INFO kablam! su: No module specific data is present
Oct 27 18:25:17.943 INFO running `"docker" "rm" "-f" "40a360e10a8ccc6201f05a230296adab3bc06077b467d7050f404fcac57bfbb1"`
Oct 27 18:25:18.303 INFO blam! 40a360e10a8ccc6201f05a230296adab3bc06077b467d7050f404fcac57bfbb1