Nov 28 21:08:15.549 INFO checking os_type-2.2.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 21:08:15.550 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 21:08:15.925 INFO [stdout] 7df6388a3f7fcc2af93c39784df8755dd347c2a7f044469b2f81f978a31c6f8a
Nov 28 21:08:15.927 INFO running `"docker" "start" "-a" "7df6388a3f7fcc2af93c39784df8755dd347c2a7f044469b2f81f978a31c6f8a"`
Nov 28 21:08:17.332 INFO [stderr] usermod: no changes
Nov 28 21:08:17.455 INFO [stderr]     Checking os_type v2.2.0 (/source)
Nov 28 21:08:18.896 INFO [stderr] warning: unused import: `super::*`
Nov 28 21:08:18.896 INFO [stderr]   --> src/os_release.rs:60:9
Nov 28 21:08:18.896 INFO [stderr]    |
Nov 28 21:08:18.896 INFO [stderr] 60 |     use super::*;
Nov 28 21:08:18.896 INFO [stderr]    |         ^^^^^^^^
Nov 28 21:08:18.896 INFO [stderr]    |
Nov 28 21:08:18.896 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 21:08:18.896 INFO [stderr] 
Nov 28 21:08:19.124 INFO [stderr] warning: struct is never constructed: `WindowsVer`
Nov 28 21:08:19.124 INFO [stderr]  --> src/windows_ver.rs:4:1
Nov 28 21:08:19.124 INFO [stderr]   |
Nov 28 21:08:19.124 INFO [stderr] 4 | pub struct WindowsVer {
Nov 28 21:08:19.124 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.124 INFO [stderr]   |
Nov 28 21:08:19.124 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 21:08:19.124 INFO [stderr] 
Nov 28 21:08:19.124 INFO [stderr] warning: function is never used: `retrieve`
Nov 28 21:08:19.124 INFO [stderr]  --> src/windows_ver.rs:8:1
Nov 28 21:08:19.124 INFO [stderr]   |
Nov 28 21:08:19.124 INFO [stderr] 8 | pub fn retrieve() -> Option<WindowsVer> {
Nov 28 21:08:19.124 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.124 INFO [stderr] 
Nov 28 21:08:19.124 INFO [stderr] warning: function is never used: `parse`
Nov 28 21:08:19.124 INFO [stderr]   --> src/windows_ver.rs:17:1
Nov 28 21:08:19.124 INFO [stderr]    |
Nov 28 21:08:19.124 INFO [stderr] 17 | pub fn parse(output: String) -> WindowsVer {
Nov 28 21:08:19.125 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.125 INFO [stderr] 
Nov 28 21:08:19.125 INFO [stderr] warning: function is never used: `is_os_x`
Nov 28 21:08:19.125 INFO [stderr]   --> src/sw_vers.rs:27:1
Nov 28 21:08:19.125 INFO [stderr]    |
Nov 28 21:08:19.125 INFO [stderr] 27 | pub fn is_os_x() -> bool {
Nov 28 21:08:19.125 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.125 INFO [stderr] 
Nov 28 21:08:19.516 INFO [stderr] warning: struct is never constructed: `WindowsVer`
Nov 28 21:08:19.516 INFO [stderr]  --> src/windows_ver.rs:4:1
Nov 28 21:08:19.516 INFO [stderr]   |
Nov 28 21:08:19.516 INFO [stderr] 4 | pub struct WindowsVer {
Nov 28 21:08:19.516 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.516 INFO [stderr]   |
Nov 28 21:08:19.516 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 21:08:19.516 INFO [stderr] 
Nov 28 21:08:19.516 INFO [stderr] warning: function is never used: `retrieve`
Nov 28 21:08:19.516 INFO [stderr]  --> src/windows_ver.rs:8:1
Nov 28 21:08:19.516 INFO [stderr]   |
Nov 28 21:08:19.516 INFO [stderr] 8 | pub fn retrieve() -> Option<WindowsVer> {
Nov 28 21:08:19.516 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.516 INFO [stderr] 
Nov 28 21:08:19.516 INFO [stderr] warning: function is never used: `parse`
Nov 28 21:08:19.516 INFO [stderr]   --> src/windows_ver.rs:17:1
Nov 28 21:08:19.516 INFO [stderr]    |
Nov 28 21:08:19.516 INFO [stderr] 17 | pub fn parse(output: String) -> WindowsVer {
Nov 28 21:08:19.516 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.516 INFO [stderr] 
Nov 28 21:08:19.516 INFO [stderr] warning: function is never used: `is_os_x`
Nov 28 21:08:19.516 INFO [stderr]   --> src/sw_vers.rs:27:1
Nov 28 21:08:19.516 INFO [stderr]    |
Nov 28 21:08:19.516 INFO [stderr] 27 | pub fn is_os_x() -> bool {
Nov 28 21:08:19.516 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:19.516 INFO [stderr] 
Nov 28 21:08:20.632 INFO [stderr] warning: function is never used: `read_file`
Nov 28 21:08:20.632 INFO [stderr]   --> tests/../src/rhel_release.rs:12:1
Nov 28 21:08:20.632 INFO [stderr]    |
Nov 28 21:08:20.632 INFO [stderr] 12 | fn read_file(filename: &str) -> Result<String, Error> {
Nov 28 21:08:20.632 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.632 INFO [stderr]    |
Nov 28 21:08:20.633 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 21:08:20.633 INFO [stderr] 
Nov 28 21:08:20.633 INFO [stderr] warning: function is never used: `retrieve`
Nov 28 21:08:20.633 INFO [stderr]   --> tests/../src/rhel_release.rs:19:1
Nov 28 21:08:20.633 INFO [stderr]    |
Nov 28 21:08:20.633 INFO [stderr] 19 | pub fn retrieve() -> Option<RHELRelease> {
Nov 28 21:08:20.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.633 INFO [stderr] 
Nov 28 21:08:20.633 INFO [stderr] warning: function is never used: `file_exists`
Nov 28 21:08:20.633 INFO [stderr]  --> tests/../src/utils.rs:5:1
Nov 28 21:08:20.633 INFO [stderr]   |
Nov 28 21:08:20.633 INFO [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Nov 28 21:08:20.633 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.633 INFO [stderr] 
Nov 28 21:08:20.681 INFO [stderr] warning: function is never used: `is_os_x`
Nov 28 21:08:20.682 INFO [stderr]   --> tests/../src/sw_vers.rs:27:1
Nov 28 21:08:20.682 INFO [stderr]    |
Nov 28 21:08:20.682 INFO [stderr] 27 | pub fn is_os_x() -> bool {
Nov 28 21:08:20.682 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.682 INFO [stderr]    |
Nov 28 21:08:20.682 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 21:08:20.682 INFO [stderr] 
Nov 28 21:08:20.682 INFO [stderr] warning: function is never used: `retrieve`
Nov 28 21:08:20.682 INFO [stderr]   --> tests/../src/sw_vers.rs:34:1
Nov 28 21:08:20.682 INFO [stderr]    |
Nov 28 21:08:20.682 INFO [stderr] 34 | pub fn retrieve() -> Option<SwVers> {
Nov 28 21:08:20.682 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.682 INFO [stderr] 
Nov 28 21:08:20.682 INFO [stderr] warning: function is never used: `file_exists`
Nov 28 21:08:20.682 INFO [stderr]  --> tests/../src/utils.rs:5:1
Nov 28 21:08:20.682 INFO [stderr]   |
Nov 28 21:08:20.682 INFO [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Nov 28 21:08:20.682 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.682 INFO [stderr] 
Nov 28 21:08:20.727 INFO [stderr] warning: function is never used: `retrieve`
Nov 28 21:08:20.728 INFO [stderr]  --> tests/../src/lsb_release.rs:9:1
Nov 28 21:08:20.728 INFO [stderr]   |
Nov 28 21:08:20.728 INFO [stderr] 9 | pub fn retrieve() -> Option<LsbRelease> {
Nov 28 21:08:20.728 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.728 INFO [stderr]   |
Nov 28 21:08:20.728 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 21:08:20.728 INFO [stderr] 
Nov 28 21:08:20.728 INFO [stderr] warning: function is never used: `is_available`
Nov 28 21:08:20.728 INFO [stderr]   --> tests/../src/lsb_release.rs:18:1
Nov 28 21:08:20.728 INFO [stderr]    |
Nov 28 21:08:20.728 INFO [stderr] 18 | pub fn is_available() -> bool {
Nov 28 21:08:20.728 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.728 INFO [stderr] 
Nov 28 21:08:20.728 INFO [stderr] warning: function is never used: `file_exists`
Nov 28 21:08:20.728 INFO [stderr]  --> tests/../src/utils.rs:5:1
Nov 28 21:08:20.728 INFO [stderr]   |
Nov 28 21:08:20.728 INFO [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Nov 28 21:08:20.728 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:08:20.728 INFO [stderr] 
Nov 28 21:08:20.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
Nov 28 21:08:20.728 INFO [stderr] su: No module specific data is present
Nov 28 21:08:21.024 INFO running `"docker" "inspect" "7df6388a3f7fcc2af93c39784df8755dd347c2a7f044469b2f81f978a31c6f8a"`
Nov 28 21:08:21.094 INFO running `"docker" "rm" "-f" "7df6388a3f7fcc2af93c39784df8755dd347c2a7f044469b2f81f978a31c6f8a"`
Nov 28 21:08:21.327 INFO [stdout] 7df6388a3f7fcc2af93c39784df8755dd347c2a7f044469b2f81f978a31c6f8a