[INFO] crate rsudo-rs_support 0.1.0 is already in cache
[INFO] extracting crate rsudo-rs_support 0.1.0 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/rsudo-rs_support/0.1.0
[INFO] extracting crate rsudo-rs_support 0.1.0 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/rsudo-rs_support/0.1.0
[INFO] validating manifest of rsudo-rs_support-0.1.0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rsudo-rs_support-0.1.0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rsudo-rs_support-0.1.0
[INFO] finished frobbing rsudo-rs_support-0.1.0
[INFO] frobbed toml for rsudo-rs_support-0.1.0 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/rsudo-rs_support/0.1.0/Cargo.toml
[INFO] started frobbing rsudo-rs_support-0.1.0
[INFO] finished frobbing rsudo-rs_support-0.1.0
[INFO] frobbed toml for rsudo-rs_support-0.1.0 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/rsudo-rs_support/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rsudo-rs_support-0.1.0 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6efb67cbfc65827761e8797ab7ddfc2ab4afcb89cb324eb15b386314883b3ae7
[INFO] running `"docker" "start" "-a" "6efb67cbfc65827761e8797ab7ddfc2ab4afcb89cb324eb15b386314883b3ae7"`
[INFO] [stderr]     Checking rsudo-rs_support v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `RsudoSocket`
[INFO] [stderr]  --> src/socket.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct RsudoSocket {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RsudoSocket`
[INFO] [stderr]  --> src/socket.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct RsudoSocket {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "6efb67cbfc65827761e8797ab7ddfc2ab4afcb89cb324eb15b386314883b3ae7"`
[INFO] running `"docker" "rm" "-f" "6efb67cbfc65827761e8797ab7ddfc2ab4afcb89cb324eb15b386314883b3ae7"`
[INFO] [stdout] 6efb67cbfc65827761e8797ab7ddfc2ab4afcb89cb324eb15b386314883b3ae7