Dec 12 10:30:04.414 INFO checking os_type-2.2.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 10:30:04.414 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 10:30:04.665 INFO [stdout] fffd028401ab9e4f72acabbd388b067b647eb6d93a7f0cf9df4388fb6ec4ccc2
Dec 12 10:30:04.667 INFO running `"docker" "start" "-a" "fffd028401ab9e4f72acabbd388b067b647eb6d93a7f0cf9df4388fb6ec4ccc2"`
Dec 12 10:30:05.500 INFO [stderr] usermod: no changes
Dec 12 10:30:05.653 INFO [stderr]     Checking os_type v2.2.0 (/source)
Dec 12 10:30:07.184 INFO [stderr] warning: unused import: `super::*`
Dec 12 10:30:07.184 INFO [stderr]   --> src/os_release.rs:60:9
Dec 12 10:30:07.184 INFO [stderr]    |
Dec 12 10:30:07.184 INFO [stderr] 60 |     use super::*;
Dec 12 10:30:07.184 INFO [stderr]    |         ^^^^^^^^
Dec 12 10:30:07.184 INFO [stderr]    |
Dec 12 10:30:07.184 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 10:30:07.184 INFO [stderr] 
Dec 12 10:30:07.290 INFO [stderr] warning: struct is never constructed: `WindowsVer`
Dec 12 10:30:07.290 INFO [stderr]  --> src/windows_ver.rs:4:1
Dec 12 10:30:07.290 INFO [stderr]   |
Dec 12 10:30:07.290 INFO [stderr] 4 | pub struct WindowsVer {
Dec 12 10:30:07.290 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.290 INFO [stderr]   |
Dec 12 10:30:07.290 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 10:30:07.290 INFO [stderr] 
Dec 12 10:30:07.290 INFO [stderr] warning: function is never used: `retrieve`
Dec 12 10:30:07.290 INFO [stderr]  --> src/windows_ver.rs:8:1
Dec 12 10:30:07.290 INFO [stderr]   |
Dec 12 10:30:07.290 INFO [stderr] 8 | pub fn retrieve() -> Option<WindowsVer> {
Dec 12 10:30:07.291 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.291 INFO [stderr] 
Dec 12 10:30:07.291 INFO [stderr] warning: function is never used: `parse`
Dec 12 10:30:07.291 INFO [stderr]   --> src/windows_ver.rs:17:1
Dec 12 10:30:07.291 INFO [stderr]    |
Dec 12 10:30:07.291 INFO [stderr] 17 | pub fn parse(output: String) -> WindowsVer {
Dec 12 10:30:07.291 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.291 INFO [stderr] 
Dec 12 10:30:07.291 INFO [stderr] warning: function is never used: `is_os_x`
Dec 12 10:30:07.291 INFO [stderr]   --> src/sw_vers.rs:27:1
Dec 12 10:30:07.291 INFO [stderr]    |
Dec 12 10:30:07.291 INFO [stderr] 27 | pub fn is_os_x() -> bool {
Dec 12 10:30:07.291 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.291 INFO [stderr] 
Dec 12 10:30:07.369 INFO [stderr] warning: struct is never constructed: `WindowsVer`
Dec 12 10:30:07.369 INFO [stderr]  --> src/windows_ver.rs:4:1
Dec 12 10:30:07.369 INFO [stderr]   |
Dec 12 10:30:07.369 INFO [stderr] 4 | pub struct WindowsVer {
Dec 12 10:30:07.369 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.376 INFO [stderr]   |
Dec 12 10:30:07.376 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 10:30:07.376 INFO [stderr] 
Dec 12 10:30:07.376 INFO [stderr] warning: function is never used: `retrieve`
Dec 12 10:30:07.376 INFO [stderr]  --> src/windows_ver.rs:8:1
Dec 12 10:30:07.376 INFO [stderr]   |
Dec 12 10:30:07.376 INFO [stderr] 8 | pub fn retrieve() -> Option<WindowsVer> {
Dec 12 10:30:07.376 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.376 INFO [stderr] 
Dec 12 10:30:07.376 INFO [stderr] warning: function is never used: `parse`
Dec 12 10:30:07.376 INFO [stderr]   --> src/windows_ver.rs:17:1
Dec 12 10:30:07.376 INFO [stderr]    |
Dec 12 10:30:07.376 INFO [stderr] 17 | pub fn parse(output: String) -> WindowsVer {
Dec 12 10:30:07.376 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.376 INFO [stderr] 
Dec 12 10:30:07.376 INFO [stderr] warning: function is never used: `is_os_x`
Dec 12 10:30:07.376 INFO [stderr]   --> src/sw_vers.rs:27:1
Dec 12 10:30:07.376 INFO [stderr]    |
Dec 12 10:30:07.376 INFO [stderr] 27 | pub fn is_os_x() -> bool {
Dec 12 10:30:07.376 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:07.376 INFO [stderr] 
Dec 12 10:30:08.530 INFO [stderr] warning: function is never used: `read_file`
Dec 12 10:30:08.530 INFO [stderr]   --> tests/../src/rhel_release.rs:12:1
Dec 12 10:30:08.530 INFO [stderr]    |
Dec 12 10:30:08.530 INFO [stderr] 12 | fn read_file(filename: &str) -> Result<String, Error> {
Dec 12 10:30:08.530 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.530 INFO [stderr]    |
Dec 12 10:30:08.530 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 10:30:08.530 INFO [stderr] 
Dec 12 10:30:08.530 INFO [stderr] warning: function is never used: `retrieve`
Dec 12 10:30:08.530 INFO [stderr]   --> tests/../src/rhel_release.rs:19:1
Dec 12 10:30:08.530 INFO [stderr]    |
Dec 12 10:30:08.530 INFO [stderr] 19 | pub fn retrieve() -> Option<RHELRelease> {
Dec 12 10:30:08.530 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.530 INFO [stderr] 
Dec 12 10:30:08.530 INFO [stderr] warning: function is never used: `file_exists`
Dec 12 10:30:08.530 INFO [stderr]  --> tests/../src/utils.rs:5:1
Dec 12 10:30:08.530 INFO [stderr]   |
Dec 12 10:30:08.530 INFO [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Dec 12 10:30:08.530 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.530 INFO [stderr] 
Dec 12 10:30:08.706 INFO [stderr] warning: function is never used: `is_os_x`
Dec 12 10:30:08.706 INFO [stderr]   --> tests/../src/sw_vers.rs:27:1
Dec 12 10:30:08.706 INFO [stderr]    |
Dec 12 10:30:08.706 INFO [stderr] 27 | pub fn is_os_x() -> bool {
Dec 12 10:30:08.706 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.706 INFO [stderr]    |
Dec 12 10:30:08.706 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 10:30:08.706 INFO [stderr] 
Dec 12 10:30:08.706 INFO [stderr] warning: function is never used: `retrieve`
Dec 12 10:30:08.706 INFO [stderr]   --> tests/../src/sw_vers.rs:34:1
Dec 12 10:30:08.706 INFO [stderr]    |
Dec 12 10:30:08.706 INFO [stderr] 34 | pub fn retrieve() -> Option<SwVers> {
Dec 12 10:30:08.706 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.706 INFO [stderr] 
Dec 12 10:30:08.706 INFO [stderr] warning: function is never used: `file_exists`
Dec 12 10:30:08.706 INFO [stderr]  --> tests/../src/utils.rs:5:1
Dec 12 10:30:08.706 INFO [stderr]   |
Dec 12 10:30:08.706 INFO [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Dec 12 10:30:08.706 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.706 INFO [stderr] 
Dec 12 10:30:08.731 INFO [stderr] warning: function is never used: `retrieve`
Dec 12 10:30:08.731 INFO [stderr]  --> tests/../src/lsb_release.rs:9:1
Dec 12 10:30:08.731 INFO [stderr]   |
Dec 12 10:30:08.731 INFO [stderr] 9 | pub fn retrieve() -> Option<LsbRelease> {
Dec 12 10:30:08.731 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.731 INFO [stderr]   |
Dec 12 10:30:08.731 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 10:30:08.731 INFO [stderr] 
Dec 12 10:30:08.731 INFO [stderr] warning: function is never used: `is_available`
Dec 12 10:30:08.731 INFO [stderr]   --> tests/../src/lsb_release.rs:18:1
Dec 12 10:30:08.731 INFO [stderr]    |
Dec 12 10:30:08.731 INFO [stderr] 18 | pub fn is_available() -> bool {
Dec 12 10:30:08.731 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.731 INFO [stderr] 
Dec 12 10:30:08.731 INFO [stderr] warning: function is never used: `file_exists`
Dec 12 10:30:08.731 INFO [stderr]  --> tests/../src/utils.rs:5:1
Dec 12 10:30:08.731 INFO [stderr]   |
Dec 12 10:30:08.731 INFO [stderr] 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Dec 12 10:30:08.731 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:30:08.731 INFO [stderr] 
Dec 12 10:30:08.745 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
Dec 12 10:30:08.752 INFO [stderr] su: No module specific data is present
Dec 12 10:30:09.041 INFO running `"docker" "inspect" "fffd028401ab9e4f72acabbd388b067b647eb6d93a7f0cf9df4388fb6ec4ccc2"`
Dec 12 10:30:09.134 INFO running `"docker" "rm" "-f" "fffd028401ab9e4f72acabbd388b067b647eb6d93a7f0cf9df4388fb6ec4ccc2"`
Dec 12 10:30:09.273 INFO [stdout] fffd028401ab9e4f72acabbd388b067b647eb6d93a7f0cf9df4388fb6ec4ccc2