Nov 01 18:59:51.944 INFO checking os_type-2.2.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 18:59:51.944 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 18:59:52.416 INFO blam! 9c5510184940b27bcfa4bfd71942acd5c603e21298e0e99298d5550b354951f3
Nov 01 18:59:52.422 INFO running `"docker" "start" "-a" "9c5510184940b27bcfa4bfd71942acd5c603e21298e0e99298d5550b354951f3"`
Nov 01 18:59:53.868 INFO kablam! usermod: no changes
Nov 01 18:59:53.924 INFO kablam!     Checking regex v1.0.5
Nov 01 18:59:57.268 INFO kablam!     Checking os_type v2.2.0 (/source)
Nov 01 18:59:58.358 INFO kablam! warning: unused import: `super::*`
Nov 01 18:59:58.359 INFO kablam!   --> src/os_release.rs:60:9
Nov 01 18:59:58.359 INFO kablam!    |
Nov 01 18:59:58.359 INFO kablam! 60 |     use super::*;
Nov 01 18:59:58.359 INFO kablam!    |         ^^^^^^^^
Nov 01 18:59:58.359 INFO kablam!    |
Nov 01 18:59:58.359 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 18:59:58.359 INFO kablam! 
Nov 01 18:59:58.488 INFO kablam! warning: struct is never constructed: `WindowsVer`
Nov 01 18:59:58.488 INFO kablam!  --> src/windows_ver.rs:4:1
Nov 01 18:59:58.488 INFO kablam!   |
Nov 01 18:59:58.488 INFO kablam! 4 | pub struct WindowsVer {
Nov 01 18:59:58.488 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.488 INFO kablam!   |
Nov 01 18:59:58.488 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 18:59:58.488 INFO kablam! 
Nov 01 18:59:58.488 INFO kablam! warning: function is never used: `retrieve`
Nov 01 18:59:58.488 INFO kablam!  --> src/windows_ver.rs:8:1
Nov 01 18:59:58.488 INFO kablam!   |
Nov 01 18:59:58.488 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Nov 01 18:59:58.488 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.488 INFO kablam! 
Nov 01 18:59:58.488 INFO kablam! warning: function is never used: `parse`
Nov 01 18:59:58.488 INFO kablam!   --> src/windows_ver.rs:17:1
Nov 01 18:59:58.488 INFO kablam!    |
Nov 01 18:59:58.488 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Nov 01 18:59:58.488 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.488 INFO kablam! 
Nov 01 18:59:58.488 INFO kablam! warning: function is never used: `is_os_x`
Nov 01 18:59:58.488 INFO kablam!   --> src/sw_vers.rs:27:1
Nov 01 18:59:58.488 INFO kablam!    |
Nov 01 18:59:58.488 INFO kablam! 27 | pub fn is_os_x() -> bool {
Nov 01 18:59:58.488 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.488 INFO kablam! 
Nov 01 18:59:58.704 INFO kablam! warning: struct is never constructed: `WindowsVer`
Nov 01 18:59:58.704 INFO kablam!  --> src/windows_ver.rs:4:1
Nov 01 18:59:58.704 INFO kablam!   |
Nov 01 18:59:58.704 INFO kablam! 4 | pub struct WindowsVer {
Nov 01 18:59:58.704 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.704 INFO kablam!   |
Nov 01 18:59:58.704 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 18:59:58.704 INFO kablam! 
Nov 01 18:59:58.704 INFO kablam! warning: function is never used: `retrieve`
Nov 01 18:59:58.704 INFO kablam!  --> src/windows_ver.rs:8:1
Nov 01 18:59:58.704 INFO kablam!   |
Nov 01 18:59:58.704 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Nov 01 18:59:58.704 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.704 INFO kablam! 
Nov 01 18:59:58.704 INFO kablam! warning: function is never used: `parse`
Nov 01 18:59:58.704 INFO kablam!   --> src/windows_ver.rs:17:1
Nov 01 18:59:58.705 INFO kablam!    |
Nov 01 18:59:58.705 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Nov 01 18:59:58.705 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.705 INFO kablam! 
Nov 01 18:59:58.705 INFO kablam! warning: function is never used: `is_os_x`
Nov 01 18:59:58.705 INFO kablam!   --> src/sw_vers.rs:27:1
Nov 01 18:59:58.705 INFO kablam!    |
Nov 01 18:59:58.705 INFO kablam! 27 | pub fn is_os_x() -> bool {
Nov 01 18:59:58.705 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:58.705 INFO kablam! 
Nov 01 18:59:59.885 INFO kablam! warning: function is never used: `is_os_x`
Nov 01 18:59:59.885 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Nov 01 18:59:59.885 INFO kablam!    |
Nov 01 18:59:59.885 INFO kablam! 27 | pub fn is_os_x() -> bool {
Nov 01 18:59:59.885 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.885 INFO kablam!    |
Nov 01 18:59:59.885 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 18:59:59.885 INFO kablam! 
Nov 01 18:59:59.885 INFO kablam! warning: function is never used: `retrieve`
Nov 01 18:59:59.885 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Nov 01 18:59:59.886 INFO kablam!    |
Nov 01 18:59:59.886 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Nov 01 18:59:59.886 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.886 INFO kablam! 
Nov 01 18:59:59.886 INFO kablam! warning: function is never used: `file_exists`
Nov 01 18:59:59.886 INFO kablam!  --> tests/../src/utils.rs:5:1
Nov 01 18:59:59.886 INFO kablam!   |
Nov 01 18:59:59.886 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Nov 01 18:59:59.886 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.886 INFO kablam! 
Nov 01 18:59:59.899 INFO kablam! warning: function is never used: `retrieve`
Nov 01 18:59:59.899 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Nov 01 18:59:59.899 INFO kablam!   |
Nov 01 18:59:59.899 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Nov 01 18:59:59.899 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.899 INFO kablam!   |
Nov 01 18:59:59.899 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 18:59:59.899 INFO kablam! 
Nov 01 18:59:59.899 INFO kablam! warning: function is never used: `is_available`
Nov 01 18:59:59.899 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Nov 01 18:59:59.899 INFO kablam!    |
Nov 01 18:59:59.899 INFO kablam! 18 | pub fn is_available() -> bool {
Nov 01 18:59:59.899 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.899 INFO kablam! 
Nov 01 18:59:59.899 INFO kablam! warning: function is never used: `file_exists`
Nov 01 18:59:59.900 INFO kablam!  --> tests/../src/utils.rs:5:1
Nov 01 18:59:59.900 INFO kablam!   |
Nov 01 18:59:59.900 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Nov 01 18:59:59.900 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.900 INFO kablam! 
Nov 01 18:59:59.900 INFO kablam! warning: function is never used: `read_file`
Nov 01 18:59:59.900 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Nov 01 18:59:59.900 INFO kablam!    |
Nov 01 18:59:59.900 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Nov 01 18:59:59.900 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.900 INFO kablam!    |
Nov 01 18:59:59.900 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 18:59:59.900 INFO kablam! 
Nov 01 18:59:59.900 INFO kablam! warning: function is never used: `retrieve`
Nov 01 18:59:59.900 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Nov 01 18:59:59.900 INFO kablam!    |
Nov 01 18:59:59.900 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Nov 01 18:59:59.900 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.900 INFO kablam! 
Nov 01 18:59:59.900 INFO kablam! warning: function is never used: `file_exists`
Nov 01 18:59:59.900 INFO kablam!  --> tests/../src/utils.rs:5:1
Nov 01 18:59:59.900 INFO kablam!   |
Nov 01 18:59:59.900 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Nov 01 18:59:59.900 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 18:59:59.900 INFO kablam! 
Nov 01 18:59:59.929 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
Nov 01 18:59:59.936 INFO kablam! su: No module specific data is present
Nov 01 19:00:00.296 INFO running `"docker" "rm" "-f" "9c5510184940b27bcfa4bfd71942acd5c603e21298e0e99298d5550b354951f3"`
Nov 01 19:00:00.442 INFO blam! 9c5510184940b27bcfa4bfd71942acd5c603e21298e0e99298d5550b354951f3