Oct 13 11:15:35.303 INFO checking os_type-2.2.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:15:35.303 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 11:15:35.600 INFO blam! 0da503a63614f71769ed2afbd2a1cdeafb67f418369804b1b50e2d9d82240dce
Oct 13 11:15:35.604 INFO running `"docker" "start" "-a" "0da503a63614f71769ed2afbd2a1cdeafb67f418369804b1b50e2d9d82240dce"`
Oct 13 11:15:36.361 INFO kablam! usermod: no changes
Oct 13 11:15:36.419 INFO kablam!     Checking os_type v2.2.0 (/source)
Oct 13 11:15:37.508 INFO kablam! warning: unused import: `super::*`
Oct 13 11:15:37.508 INFO kablam!   --> src/os_release.rs:60:9
Oct 13 11:15:37.508 INFO kablam!    |
Oct 13 11:15:37.508 INFO kablam! 60 |     use super::*;
Oct 13 11:15:37.508 INFO kablam!    |         ^^^^^^^^
Oct 13 11:15:37.508 INFO kablam!    |
Oct 13 11:15:37.508 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 11:15:37.508 INFO kablam! 
Oct 13 11:15:37.636 INFO kablam! warning: struct is never constructed: `WindowsVer`
Oct 13 11:15:37.636 INFO kablam!  --> src/windows_ver.rs:4:1
Oct 13 11:15:37.636 INFO kablam!   |
Oct 13 11:15:37.636 INFO kablam! 4 | pub struct WindowsVer {
Oct 13 11:15:37.636 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.636 INFO kablam!   |
Oct 13 11:15:37.636 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:15:37.636 INFO kablam! 
Oct 13 11:15:37.636 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:37.636 INFO kablam!  --> src/windows_ver.rs:8:1
Oct 13 11:15:37.636 INFO kablam!   |
Oct 13 11:15:37.636 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Oct 13 11:15:37.636 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.636 INFO kablam! 
Oct 13 11:15:37.636 INFO kablam! warning: function is never used: `parse`
Oct 13 11:15:37.636 INFO kablam!   --> src/windows_ver.rs:17:1
Oct 13 11:15:37.636 INFO kablam!    |
Oct 13 11:15:37.636 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Oct 13 11:15:37.636 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.636 INFO kablam! 
Oct 13 11:15:37.636 INFO kablam! warning: function is never used: `is_os_x`
Oct 13 11:15:37.637 INFO kablam!   --> src/sw_vers.rs:27:1
Oct 13 11:15:37.637 INFO kablam!    |
Oct 13 11:15:37.637 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 13 11:15:37.637 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.637 INFO kablam! 
Oct 13 11:15:37.836 INFO kablam! warning: struct is never constructed: `WindowsVer`
Oct 13 11:15:37.836 INFO kablam!  --> src/windows_ver.rs:4:1
Oct 13 11:15:37.836 INFO kablam!   |
Oct 13 11:15:37.836 INFO kablam! 4 | pub struct WindowsVer {
Oct 13 11:15:37.836 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.836 INFO kablam!   |
Oct 13 11:15:37.836 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:15:37.836 INFO kablam! 
Oct 13 11:15:37.836 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:37.836 INFO kablam!  --> src/windows_ver.rs:8:1
Oct 13 11:15:37.836 INFO kablam!   |
Oct 13 11:15:37.836 INFO kablam! 8 | pub fn retrieve() -> Option<WindowsVer> {
Oct 13 11:15:37.836 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.836 INFO kablam! 
Oct 13 11:15:37.836 INFO kablam! warning: function is never used: `parse`
Oct 13 11:15:37.836 INFO kablam!   --> src/windows_ver.rs:17:1
Oct 13 11:15:37.836 INFO kablam!    |
Oct 13 11:15:37.836 INFO kablam! 17 | pub fn parse(output: String) -> WindowsVer {
Oct 13 11:15:37.836 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.853 INFO kablam! 
Oct 13 11:15:37.853 INFO kablam! warning: function is never used: `is_os_x`
Oct 13 11:15:37.853 INFO kablam!   --> src/sw_vers.rs:27:1
Oct 13 11:15:37.853 INFO kablam!    |
Oct 13 11:15:37.853 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 13 11:15:37.853 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:37.853 INFO kablam! 
Oct 13 11:15:39.184 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:39.184 INFO kablam!  --> tests/../src/lsb_release.rs:9:1
Oct 13 11:15:39.185 INFO kablam!   |
Oct 13 11:15:39.185 INFO kablam! 9 | pub fn retrieve() -> Option<LsbRelease> {
Oct 13 11:15:39.185 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.185 INFO kablam!   |
Oct 13 11:15:39.185 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:15:39.185 INFO kablam! 
Oct 13 11:15:39.185 INFO kablam! warning: function is never used: `is_available`
Oct 13 11:15:39.185 INFO kablam!   --> tests/../src/lsb_release.rs:18:1
Oct 13 11:15:39.185 INFO kablam!    |
Oct 13 11:15:39.185 INFO kablam! 18 | pub fn is_available() -> bool {
Oct 13 11:15:39.185 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.185 INFO kablam! 
Oct 13 11:15:39.185 INFO kablam! warning: function is never used: `file_exists`
Oct 13 11:15:39.185 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 13 11:15:39.185 INFO kablam!   |
Oct 13 11:15:39.185 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 13 11:15:39.185 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.185 INFO kablam! 
Oct 13 11:15:39.237 INFO kablam! warning: function is never used: `read_file`
Oct 13 11:15:39.238 INFO kablam!   --> tests/../src/rhel_release.rs:12:1
Oct 13 11:15:39.238 INFO kablam!    |
Oct 13 11:15:39.238 INFO kablam! 12 | fn read_file(filename: &str) -> Result<String, Error> {
Oct 13 11:15:39.238 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.238 INFO kablam!    |
Oct 13 11:15:39.238 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 11:15:39.238 INFO kablam! 
Oct 13 11:15:39.238 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:39.238 INFO kablam!   --> tests/../src/rhel_release.rs:19:1
Oct 13 11:15:39.238 INFO kablam!    |
Oct 13 11:15:39.238 INFO kablam! 19 | pub fn retrieve() -> Option<RHELRelease> {
Oct 13 11:15:39.238 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.238 INFO kablam! 
Oct 13 11:15:39.238 INFO kablam! warning: function is never used: `file_exists`
Oct 13 11:15:39.238 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 13 11:15:39.238 INFO kablam!   |
Oct 13 11:15:39.238 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 13 11:15:39.238 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.238 INFO kablam! 
Oct 13 11:15:39.261 INFO kablam! warning: function is never used: `is_os_x`
Oct 13 11:15:39.261 INFO kablam!   --> tests/../src/sw_vers.rs:27:1
Oct 13 11:15:39.261 INFO kablam!    |
Oct 13 11:15:39.261 INFO kablam! 27 | pub fn is_os_x() -> bool {
Oct 13 11:15:39.261 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.261 INFO kablam!    |
Oct 13 11:15:39.261 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 11:15:39.261 INFO kablam! 
Oct 13 11:15:39.261 INFO kablam! warning: function is never used: `retrieve`
Oct 13 11:15:39.261 INFO kablam!   --> tests/../src/sw_vers.rs:34:1
Oct 13 11:15:39.261 INFO kablam!    |
Oct 13 11:15:39.261 INFO kablam! 34 | pub fn retrieve() -> Option<SwVers> {
Oct 13 11:15:39.261 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.261 INFO kablam! 
Oct 13 11:15:39.262 INFO kablam! warning: function is never used: `file_exists`
Oct 13 11:15:39.262 INFO kablam!  --> tests/../src/utils.rs:5:1
Oct 13 11:15:39.262 INFO kablam!   |
Oct 13 11:15:39.262 INFO kablam! 5 | pub fn file_exists<P: AsRef<Path>>(path: P) -> bool {
Oct 13 11:15:39.262 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:15:39.262 INFO kablam! 
Oct 13 11:15:39.276 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
Oct 13 11:15:39.284 INFO kablam! su: No module specific data is present
Oct 13 11:15:39.580 INFO running `"docker" "rm" "-f" "0da503a63614f71769ed2afbd2a1cdeafb67f418369804b1b50e2d9d82240dce"`
Oct 13 11:15:39.743 INFO blam! 0da503a63614f71769ed2afbd2a1cdeafb67f418369804b1b50e2d9d82240dce