Dec 05 07:50:58.699 INFO checking rsudo-rs_support-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:50:58.699 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 07:50:59.115 INFO [stdout] f74e3a6f36103283f51557062d88787ca3396ac381d7ec984e3eb87c6c39c605
Dec 05 07:50:59.117 INFO running `"docker" "start" "-a" "f74e3a6f36103283f51557062d88787ca3396ac381d7ec984e3eb87c6c39c605"`
Dec 05 07:51:00.171 INFO [stderr] usermod: no changes
Dec 05 07:51:00.211 INFO [stderr]     Checking rsudo-rs_support v0.1.0 (/source)
Dec 05 07:51:00.819 INFO [stderr] warning: struct is never constructed: `RsudoSocket`
Dec 05 07:51:00.819 INFO [stderr]  --> src/socket.rs:7:1
Dec 05 07:51:00.819 INFO [stderr]   |
Dec 05 07:51:00.819 INFO [stderr] 7 | pub struct RsudoSocket {
Dec 05 07:51:00.819 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:00.819 INFO [stderr]   |
Dec 05 07:51:00.819 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 07:51:00.819 INFO [stderr] 
Dec 05 07:51:00.819 INFO [stderr] warning: method is never used: `new`
Dec 05 07:51:00.819 INFO [stderr]   --> src/socket.rs:13:5
Dec 05 07:51:00.819 INFO [stderr]    |
Dec 05 07:51:00.819 INFO [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
Dec 05 07:51:00.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:00.819 INFO [stderr] 
Dec 05 07:51:00.819 INFO [stderr] warning: method is never used: `read`
Dec 05 07:51:00.819 INFO [stderr]   --> src/socket.rs:26:5
Dec 05 07:51:00.819 INFO [stderr]    |
Dec 05 07:51:00.819 INFO [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
Dec 05 07:51:00.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:00.819 INFO [stderr] 
Dec 05 07:51:00.819 INFO [stderr] warning: method is never used: `write`
Dec 05 07:51:00.819 INFO [stderr]   --> src/socket.rs:67:5
Dec 05 07:51:00.819 INFO [stderr]    |
Dec 05 07:51:00.819 INFO [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
Dec 05 07:51:00.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:00.819 INFO [stderr] 
Dec 05 07:51:01.139 INFO [stderr] warning: struct is never constructed: `RsudoSocket`
Dec 05 07:51:01.139 INFO [stderr]  --> src/socket.rs:7:1
Dec 05 07:51:01.139 INFO [stderr]   |
Dec 05 07:51:01.139 INFO [stderr] 7 | pub struct RsudoSocket {
Dec 05 07:51:01.139 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:01.139 INFO [stderr]   |
Dec 05 07:51:01.139 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 07:51:01.139 INFO [stderr] 
Dec 05 07:51:01.139 INFO [stderr] warning: method is never used: `new`
Dec 05 07:51:01.139 INFO [stderr]   --> src/socket.rs:13:5
Dec 05 07:51:01.139 INFO [stderr]    |
Dec 05 07:51:01.139 INFO [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
Dec 05 07:51:01.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:01.139 INFO [stderr] 
Dec 05 07:51:01.139 INFO [stderr] warning: method is never used: `read`
Dec 05 07:51:01.139 INFO [stderr]   --> src/socket.rs:26:5
Dec 05 07:51:01.139 INFO [stderr]    |
Dec 05 07:51:01.139 INFO [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
Dec 05 07:51:01.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:01.139 INFO [stderr] 
Dec 05 07:51:01.139 INFO [stderr] warning: method is never used: `write`
Dec 05 07:51:01.139 INFO [stderr]   --> src/socket.rs:67:5
Dec 05 07:51:01.139 INFO [stderr]    |
Dec 05 07:51:01.139 INFO [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
Dec 05 07:51:01.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:51:01.139 INFO [stderr] 
Dec 05 07:51:01.147 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 05 07:51:01.148 INFO [stderr] su: No module specific data is present
Dec 05 07:51:01.539 INFO running `"docker" "inspect" "f74e3a6f36103283f51557062d88787ca3396ac381d7ec984e3eb87c6c39c605"`
Dec 05 07:51:01.788 INFO running `"docker" "rm" "-f" "f74e3a6f36103283f51557062d88787ca3396ac381d7ec984e3eb87c6c39c605"`
Dec 05 07:51:02.191 INFO [stdout] f74e3a6f36103283f51557062d88787ca3396ac381d7ec984e3eb87c6c39c605