Oct 13 11:15:36.431 INFO checking os_type-2.2.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 11:15:36.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13 11:15:36.672 INFO blam! 47dcd264cc4fbec79e3f4d8cc3e93362913be113756fdc9a5450fba09c5e82a7
Oct 13 11:15:36.677 INFO running `"docker" "start" "-a" "47dcd264cc4fbec79e3f4d8cc3e93362913be113756fdc9a5450fba09c5e82a7"`
Oct 13 11:15:37.434 INFO kablam! usermod: no changes
Oct 13 11:15:37.504 INFO kablam!     Checking os_type v2.2.0 (/source)
Oct 13 11:15:38.852 INFO kablam! warning: unused import: `super::*`
Oct 13 11:15:38.852 INFO kablam!   --> src/os_release.rs:60:9
Oct 13 11:15:38.852 INFO kablam!    |
Oct 13 11:15:38.852 INFO kablam! 60 |     use super::*;
Oct 13 11:15:38.853 INFO kablam!    |         ^^^^^^^^
Oct 13 11:15:38.853 INFO kablam!    |
Oct 13 11:15:38.853 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 11:15:38.853 INFO kablam! 
Oct 13 11:15:38.956 INFO kablam! warning: struct is never constructed: `WindowsVer`
Oct 13 11:15:38.956 INFO kablam!  --> src/windows_ver.rs:4:1
Oct 13 11:15:38.956 INFO kablam!   |
Oct 13 11:15:38.956 INFO kablam! 4 | pub struct WindowsVer {
Oct 13 11:15:38.956 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:38.956 INFO kablam!   |
Oct 13 11:15:38.956 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:15:38.956 INFO kablam! 
Oct 13 11:15:38.956 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:38.956 INFO kablam!  --> src/windows_ver.rs:8:1
Oct 13 11:15:38.956 INFO kablam!   |
Oct 13 11:15:38.957 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Oct 13 11:15:38.957 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:38.957 INFO kablam! 
Oct 13 11:15:38.957 INFO kablam! warning: function is never used: `parse`
Oct 13 11:15:38.957 INFO kablam!   --> src/windows_ver.rs:17:1
Oct 13 11:15:38.957 INFO kablam!    |
Oct 13 11:15:38.957 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Oct 13 11:15:38.957 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:38.957 INFO kablam! 
Oct 13 11:15:38.957 INFO kablam! warning: function is never used: `is_os_x`
Oct 13 11:15:38.957 INFO kablam!   --> src/sw_vers.rs:27:1
Oct 13 11:15:38.957 INFO kablam!    |
Oct 13 11:15:38.957 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 13 11:15:38.957 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:38.957 INFO kablam! 
Oct 13 11:15:39.168 INFO kablam! warning: struct is never constructed: `WindowsVer`
Oct 13 11:15:39.168 INFO kablam!  --> src/windows_ver.rs:4:1
Oct 13 11:15:39.168 INFO kablam!   |
Oct 13 11:15:39.168 INFO kablam! 4 | pub struct WindowsVer {
Oct 13 11:15:39.168 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.168 INFO kablam!   |
Oct 13 11:15:39.168 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:15:39.168 INFO kablam! 
Oct 13 11:15:39.168 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:39.168 INFO kablam!  --> src/windows_ver.rs:8:1
Oct 13 11:15:39.168 INFO kablam!   |
Oct 13 11:15:39.168 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Oct 13 11:15:39.168 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.168 INFO kablam! 
Oct 13 11:15:39.168 INFO kablam! warning: function is never used: `parse`
Oct 13 11:15:39.168 INFO kablam!   --> src/windows_ver.rs:17:1
Oct 13 11:15:39.168 INFO kablam!    |
Oct 13 11:15:39.168 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Oct 13 11:15:39.168 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.168 INFO kablam! 
Oct 13 11:15:39.168 INFO kablam! warning: function is never used: `is_os_x`
Oct 13 11:15:39.168 INFO kablam!   --> src/sw_vers.rs:27:1
Oct 13 11:15:39.168 INFO kablam!    |
Oct 13 11:15:39.168 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 13 11:15:39.168 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.172 INFO kablam! 
Oct 13 11:15:40.255 INFO kablam! warning: function is never used: `is_os_x`
Oct 13 11:15:40.255 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Oct 13 11:15:40.255 INFO kablam!    |
Oct 13 11:15:40.255 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 13 11:15:40.255 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.255 INFO kablam!    |
Oct 13 11:15:40.255 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 11:15:40.255 INFO kablam! 
Oct 13 11:15:40.255 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:40.255 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Oct 13 11:15:40.255 INFO kablam!    |
Oct 13 11:15:40.255 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Oct 13 11:15:40.255 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.255 INFO kablam! 
Oct 13 11:15:40.255 INFO kablam! warning: function is never used: `file_exists`
Oct 13 11:15:40.255 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 13 11:15:40.255 INFO kablam!   |
Oct 13 11:15:40.255 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 13 11:15:40.255 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.255 INFO kablam! 
Oct 13 11:15:40.277 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:40.277 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Oct 13 11:15:40.277 INFO kablam!   |
Oct 13 11:15:40.277 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Oct 13 11:15:40.277 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.277 INFO kablam!   |
Oct 13 11:15:40.277 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:15:40.277 INFO kablam! 
Oct 13 11:15:40.277 INFO kablam! warning: function is never used: `is_available`
Oct 13 11:15:40.277 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Oct 13 11:15:40.277 INFO kablam!    |
Oct 13 11:15:40.278 INFO kablam! 18 | pub fn is_available() -> bool {
Oct 13 11:15:40.278 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.278 INFO kablam! 
Oct 13 11:15:40.278 INFO kablam! warning: function is never used: `file_exists`
Oct 13 11:15:40.278 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 13 11:15:40.278 INFO kablam!   |
Oct 13 11:15:40.278 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 13 11:15:40.278 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.278 INFO kablam! 
Oct 13 11:15:40.458 INFO kablam! warning: function is never used: `read_file`
Oct 13 11:15:40.458 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Oct 13 11:15:40.458 INFO kablam!    |
Oct 13 11:15:40.458 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Oct 13 11:15:40.458 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.458 INFO kablam!    |
Oct 13 11:15:40.458 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 11:15:40.458 INFO kablam! 
Oct 13 11:15:40.458 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:40.458 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Oct 13 11:15:40.458 INFO kablam!    |
Oct 13 11:15:40.458 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Oct 13 11:15:40.458 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.458 INFO kablam! 
Oct 13 11:15:40.458 INFO kablam! warning: function is never used: `file_exists`
Oct 13 11:15:40.458 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 13 11:15:40.458 INFO kablam!   |
Oct 13 11:15:40.458 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 13 11:15:40.458 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:40.458 INFO kablam! 
Oct 13 11:15:40.491 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
Oct 13 11:15:40.498 INFO kablam! su: No module specific data is present
Oct 13 11:15:40.810 INFO running `"docker" "rm" "-f" "47dcd264cc4fbec79e3f4d8cc3e93362913be113756fdc9a5450fba09c5e82a7"`
Oct 13 11:15:41.064 INFO blam! 47dcd264cc4fbec79e3f4d8cc3e93362913be113756fdc9a5450fba09c5e82a7