Dec 14 04:50:29.743 INFO testing Vinatorul/RustyChecker against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 04:50:29.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 04:50:30.252 INFO [stdout] 3284ed2cd420db36cbbb94cf46a3384fc7a9410f8e2a883b2b0b45bb07bff083
Dec 14 04:50:30.255 INFO running `"docker" "start" "-a" "3284ed2cd420db36cbbb94cf46a3384fc7a9410f8e2a883b2b0b45bb07bff083"`
Dec 14 04:50:31.587 INFO [stderr] usermod: no changes
Dec 14 04:50:31.587 INFO [stderr]    Compiling rusty_checker v0.1.0 (/source)
Dec 14 04:50:32.099 INFO [stderr] warning: private type `problem::ProblemError` in public interface (error E0446)
Dec 14 04:50:32.099 INFO [stderr]    --> src/problem.rs:103:2
Dec 14 04:50:32.099 INFO [stderr]     |
Dec 14 04:50:32.099 INFO [stderr] 103 |       pub fn run(&self) -> Result<(), ProblemError> {
Dec 14 04:50:32.099 INFO [stderr]     |  _____^
Dec 14 04:50:32.107 INFO [stderr] 104 | |         let builder = match Command::new("rustc")
Dec 14 04:50:32.107 INFO [stderr] 105 | |             .arg(format!("{}/{}/{}.rs", PROBLEMS_DIR, self.str_id, self.str_id))
Dec 14 04:50:32.107 INFO [stderr] 106 | |             .arg("--out-dir")
Dec 14 04:50:32.107 INFO [stderr] ...   |
Dec 14 04:50:32.107 INFO [stderr] 117 | |         return self.run_test(1);
Dec 14 04:50:32.107 INFO [stderr] 118 | |     }
Dec 14 04:50:32.107 INFO [stderr]     | |_____^
Dec 14 04:50:32.107 INFO [stderr]     |
Dec 14 04:50:32.107 INFO [stderr]     = note: #[warn(private_in_public)] on by default
Dec 14 04:50:32.107 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 04:50:32.107 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 04:50:32.107 INFO [stderr] 
Dec 14 04:50:32.176 INFO [stderr] warning: constant item is never used: `PROBLEMS_DIR`
Dec 14 04:50:32.176 INFO [stderr]   --> src/problem.rs:10:1
Dec 14 04:50:32.176 INFO [stderr]    |
Dec 14 04:50:32.176 INFO [stderr] 10 | const PROBLEMS_DIR: &'static str = "problems";
Dec 14 04:50:32.176 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.176 INFO [stderr]    |
Dec 14 04:50:32.176 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 04:50:32.176 INFO [stderr] 
Dec 14 04:50:32.176 INFO [stderr] warning: constant item is never used: `INPUT_DIR`
Dec 14 04:50:32.176 INFO [stderr]   --> src/problem.rs:11:1
Dec 14 04:50:32.176 INFO [stderr]    |
Dec 14 04:50:32.176 INFO [stderr] 11 | const INPUT_DIR: &'static str = "input";
Dec 14 04:50:32.176 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.176 INFO [stderr] 
Dec 14 04:50:32.176 INFO [stderr] warning: constant item is never used: `OUTPUT_DIR`
Dec 14 04:50:32.176 INFO [stderr]   --> src/problem.rs:12:1
Dec 14 04:50:32.176 INFO [stderr]    |
Dec 14 04:50:32.176 INFO [stderr] 12 | const OUTPUT_DIR: &'static str = "output";
Dec 14 04:50:32.176 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.176 INFO [stderr] 
Dec 14 04:50:32.176 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 14 04:50:32.176 INFO [stderr]   --> src/problem.rs:14:1
Dec 14 04:50:32.176 INFO [stderr]    |
Dec 14 04:50:32.176 INFO [stderr] 14 | pub struct Problem {
Dec 14 04:50:32.177 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.177 INFO [stderr] warning: enum is never used: `State`
Dec 14 04:50:32.177 INFO [stderr]   --> src/problem.rs:21:1
Dec 14 04:50:32.177 INFO [stderr]    |
Dec 14 04:50:32.177 INFO [stderr] 21 | enum State {
Dec 14 04:50:32.177 INFO [stderr]    | ^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.177 INFO [stderr] warning: struct is never constructed: `ProblemError`
Dec 14 04:50:32.177 INFO [stderr]   --> src/problem.rs:28:1
Dec 14 04:50:32.177 INFO [stderr]    |
Dec 14 04:50:32.177 INFO [stderr] 28 | struct ProblemError {
Dec 14 04:50:32.177 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.177 INFO [stderr] warning: method is never used: `new`
Dec 14 04:50:32.177 INFO [stderr]   --> src/problem.rs:68:2
Dec 14 04:50:32.177 INFO [stderr]    |
Dec 14 04:50:32.177 INFO [stderr] 68 |     pub fn new(str_id: String) -> Problem {
Dec 14 04:50:32.177 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.177 INFO [stderr] warning: method is never used: `run`
Dec 14 04:50:32.177 INFO [stderr]    --> src/problem.rs:103:2
Dec 14 04:50:32.177 INFO [stderr]     |
Dec 14 04:50:32.177 INFO [stderr] 103 |     pub fn run(&self) -> Result<(), ProblemError> {
Dec 14 04:50:32.177 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.177 INFO [stderr] warning: method is never used: `run_test`
Dec 14 04:50:32.177 INFO [stderr]    --> src/problem.rs:120:2
Dec 14 04:50:32.177 INFO [stderr]     |
Dec 14 04:50:32.177 INFO [stderr] 120 |     fn run_test(&self, test_no: i32) -> Result<(), ProblemError> {
Dec 14 04:50:32.177 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.177 INFO [stderr] warning: method is never used: `make_error`
Dec 14 04:50:32.177 INFO [stderr]    --> src/problem.rs:169:2
Dec 14 04:50:32.177 INFO [stderr]     |
Dec 14 04:50:32.177 INFO [stderr] 169 |     fn make_error(&self, reason: &'static str, sys_part: String, test_no: i32) -> Result<(), ProblemError> {
Dec 14 04:50:32.177 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:50:32.177 INFO [stderr] 
Dec 14 04:50:32.663 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 14 04:50:32.666 INFO [stderr] su: No module specific data is present
Dec 14 04:50:33.188 INFO running `"docker" "inspect" "3284ed2cd420db36cbbb94cf46a3384fc7a9410f8e2a883b2b0b45bb07bff083"`
Dec 14 04:50:33.360 INFO running `"docker" "rm" "-f" "3284ed2cd420db36cbbb94cf46a3384fc7a9410f8e2a883b2b0b45bb07bff083"`
Dec 14 04:50:33.804 INFO [stdout] 3284ed2cd420db36cbbb94cf46a3384fc7a9410f8e2a883b2b0b45bb07bff083
Dec 14 04:50:33.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 04:50:34.195 INFO [stdout] 22797ed3c90cdc29636c5bae07a1fcdb6d19ecbe8f052b483c7c9f271b45ea5d
Dec 14 04:50:34.201 INFO running `"docker" "start" "-a" "22797ed3c90cdc29636c5bae07a1fcdb6d19ecbe8f052b483c7c9f271b45ea5d"`
Dec 14 04:50:35.170 INFO [stderr] usermod: no changes
Dec 14 04:50:35.223 INFO [stderr]    Compiling rusty_checker v0.1.0 (/source)
Dec 14 04:50:35.926 INFO [stderr] warning: private type `problem::ProblemError` in public interface (error E0446)
Dec 14 04:50:35.926 INFO [stderr]    --> src/problem.rs:103:2
Dec 14 04:50:35.926 INFO [stderr]     |
Dec 14 04:50:35.926 INFO [stderr] 103 |       pub fn run(&self) -> Result<(), ProblemError> {
Dec 14 04:50:35.926 INFO [stderr]     |  _____^
Dec 14 04:50:35.926 INFO [stderr] 104 | |         let builder = match Command::new("rustc")
Dec 14 04:50:35.926 INFO [stderr] 105 | |             .arg(format!("{}/{}/{}.rs", PROBLEMS_DIR, self.str_id, self.str_id))
Dec 14 04:50:35.926 INFO [stderr] 106 | |             .arg("--out-dir")
Dec 14 04:50:35.926 INFO [stderr] ...   |
Dec 14 04:50:35.926 INFO [stderr] 117 | |         return self.run_test(1);
Dec 14 04:50:35.926 INFO [stderr] 118 | |     }
Dec 14 04:50:35.926 INFO [stderr]     | |_____^
Dec 14 04:50:35.926 INFO [stderr]     |
Dec 14 04:50:35.926 INFO [stderr]     = note: #[warn(private_in_public)] on by default
Dec 14 04:50:35.926 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 04:50:35.926 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 04:50:35.926 INFO [stderr] 
Dec 14 04:50:37.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 14 04:50:37.242 INFO [stderr] su: No module specific data is present
Dec 14 04:50:38.033 INFO running `"docker" "inspect" "22797ed3c90cdc29636c5bae07a1fcdb6d19ecbe8f052b483c7c9f271b45ea5d"`
Dec 14 04:50:38.287 INFO running `"docker" "rm" "-f" "22797ed3c90cdc29636c5bae07a1fcdb6d19ecbe8f052b483c7c9f271b45ea5d"`
Dec 14 04:50:38.583 INFO [stdout] 22797ed3c90cdc29636c5bae07a1fcdb6d19ecbe8f052b483c7c9f271b45ea5d