Dec 18 12:01:57.209 INFO checking rsudo-rs_support-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:01:57.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rsudo-rs_support/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:01:57.580 INFO [stdout] 6b0c1e7a111f5a0ee5ea3fb3f0eb78929ca1985497fed9ec4ce26bb36fe3b38f
Dec 18 12:01:57.588 INFO running `"docker" "start" "-a" "6b0c1e7a111f5a0ee5ea3fb3f0eb78929ca1985497fed9ec4ce26bb36fe3b38f"`
Dec 18 12:01:59.349 INFO [stderr]     Checking rsudo-rs_support v0.1.0 (/opt/crater/workdir)
Dec 18 12:01:59.788 INFO [stderr] warning: struct is never constructed: `RsudoSocket`
Dec 18 12:01:59.792 INFO [stderr]  --> src/socket.rs:7:1
Dec 18 12:01:59.792 INFO [stderr]   |
Dec 18 12:01:59.792 INFO [stderr] 7 | pub struct RsudoSocket {
Dec 18 12:01:59.792 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.792 INFO [stderr]   |
Dec 18 12:01:59.792 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 12:01:59.792 INFO [stderr] 
Dec 18 12:01:59.792 INFO [stderr] warning: method is never used: `new`
Dec 18 12:01:59.792 INFO [stderr]   --> src/socket.rs:13:5
Dec 18 12:01:59.792 INFO [stderr]    |
Dec 18 12:01:59.792 INFO [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
Dec 18 12:01:59.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.792 INFO [stderr] 
Dec 18 12:01:59.792 INFO [stderr] warning: method is never used: `read`
Dec 18 12:01:59.792 INFO [stderr]   --> src/socket.rs:26:5
Dec 18 12:01:59.792 INFO [stderr]    |
Dec 18 12:01:59.792 INFO [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
Dec 18 12:01:59.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.792 INFO [stderr] 
Dec 18 12:01:59.792 INFO [stderr] warning: method is never used: `write`
Dec 18 12:01:59.792 INFO [stderr]   --> src/socket.rs:67:5
Dec 18 12:01:59.792 INFO [stderr]    |
Dec 18 12:01:59.792 INFO [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
Dec 18 12:01:59.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.792 INFO [stderr] 
Dec 18 12:01:59.852 INFO [stderr] warning: struct is never constructed: `RsudoSocket`
Dec 18 12:01:59.856 INFO [stderr]  --> src/socket.rs:7:1
Dec 18 12:01:59.856 INFO [stderr]   |
Dec 18 12:01:59.856 INFO [stderr] 7 | pub struct RsudoSocket {
Dec 18 12:01:59.856 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.856 INFO [stderr]   |
Dec 18 12:01:59.856 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 12:01:59.856 INFO [stderr] 
Dec 18 12:01:59.856 INFO [stderr] warning: method is never used: `new`
Dec 18 12:01:59.856 INFO [stderr]   --> src/socket.rs:13:5
Dec 18 12:01:59.856 INFO [stderr]    |
Dec 18 12:01:59.856 INFO [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
Dec 18 12:01:59.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.856 INFO [stderr] 
Dec 18 12:01:59.856 INFO [stderr] warning: method is never used: `read`
Dec 18 12:01:59.856 INFO [stderr]   --> src/socket.rs:26:5
Dec 18 12:01:59.856 INFO [stderr]    |
Dec 18 12:01:59.856 INFO [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
Dec 18 12:01:59.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.856 INFO [stderr] 
Dec 18 12:01:59.856 INFO [stderr] warning: method is never used: `write`
Dec 18 12:01:59.856 INFO [stderr]   --> src/socket.rs:67:5
Dec 18 12:01:59.856 INFO [stderr]    |
Dec 18 12:01:59.856 INFO [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
Dec 18 12:01:59.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:01:59.856 INFO [stderr] 
Dec 18 12:01:59.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 18 12:02:00.999 INFO running `"docker" "inspect" "6b0c1e7a111f5a0ee5ea3fb3f0eb78929ca1985497fed9ec4ce26bb36fe3b38f"`
Dec 18 12:02:01.258 INFO running `"docker" "rm" "-f" "6b0c1e7a111f5a0ee5ea3fb3f0eb78929ca1985497fed9ec4ce26bb36fe3b38f"`
Dec 18 12:02:01.524 INFO [stdout] 6b0c1e7a111f5a0ee5ea3fb3f0eb78929ca1985497fed9ec4ce26bb36fe3b38f