Dec 06 08:43:56.322 INFO testing Vinatorul/RustyChecker against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 08:43:56.322 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 08:43:56.836 INFO [stdout] 67faf348eb6a069653170ed4c7f4470923cfdf173b957be83d3748c9ebb6471c
Dec 06 08:43:56.837 INFO running `"docker" "start" "-a" "67faf348eb6a069653170ed4c7f4470923cfdf173b957be83d3748c9ebb6471c"`
Dec 06 08:43:58.155 INFO [stderr] usermod: no changes
Dec 06 08:43:58.220 INFO [stderr]    Compiling rusty_checker v0.1.0 (/source)
Dec 06 08:43:58.668 INFO [stderr] warning: private type `problem::ProblemError` in public interface (error E0446)
Dec 06 08:43:58.668 INFO [stderr]    --> src/problem.rs:103:2
Dec 06 08:43:58.668 INFO [stderr]     |
Dec 06 08:43:58.668 INFO [stderr] 103 |       pub fn run(&self) -> Result<(), ProblemError> {
Dec 06 08:43:58.668 INFO [stderr]     |  _____^
Dec 06 08:43:58.668 INFO [stderr] 104 | |         let builder = match Command::new("rustc")
Dec 06 08:43:58.668 INFO [stderr] 105 | |             .arg(format!("{}/{}/{}.rs", PROBLEMS_DIR, self.str_id, self.str_id))
Dec 06 08:43:58.668 INFO [stderr] 106 | |             .arg("--out-dir")
Dec 06 08:43:58.668 INFO [stderr] ...   |
Dec 06 08:43:58.668 INFO [stderr] 117 | |         return self.run_test(1);
Dec 06 08:43:58.668 INFO [stderr] 118 | |     }
Dec 06 08:43:58.668 INFO [stderr]     | |_____^
Dec 06 08:43:58.668 INFO [stderr]     |
Dec 06 08:43:58.668 INFO [stderr]     = note: #[warn(private_in_public)] on by default
Dec 06 08:43:58.668 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 06 08:43:58.668 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 08:43:58.668 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: constant item is never used: `PROBLEMS_DIR`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:10:1
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 10 | const PROBLEMS_DIR: &'static str = "problems";
Dec 06 08:43:58.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: constant item is never used: `INPUT_DIR`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:11:1
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 11 | const INPUT_DIR: &'static str = "input";
Dec 06 08:43:58.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: constant item is never used: `OUTPUT_DIR`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:12:1
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 12 | const OUTPUT_DIR: &'static str = "output";
Dec 06 08:43:58.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:14:1
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 14 | pub struct Problem {
Dec 06 08:43:58.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: enum is never used: `State`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:21:1
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 21 | enum State {
Dec 06 08:43:58.695 INFO [stderr]    | ^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: struct is never constructed: `ProblemError`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:28:1
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 28 | struct ProblemError {
Dec 06 08:43:58.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: method is never used: `new`
Dec 06 08:43:58.695 INFO [stderr]   --> src/problem.rs:68:2
Dec 06 08:43:58.695 INFO [stderr]    |
Dec 06 08:43:58.695 INFO [stderr] 68 |     pub fn new(str_id: String) -> Problem {
Dec 06 08:43:58.695 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.695 INFO [stderr] warning: method is never used: `run`
Dec 06 08:43:58.695 INFO [stderr]    --> src/problem.rs:103:2
Dec 06 08:43:58.695 INFO [stderr]     |
Dec 06 08:43:58.695 INFO [stderr] 103 |     pub fn run(&self) -> Result<(), ProblemError> {
Dec 06 08:43:58.695 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.695 INFO [stderr] 
Dec 06 08:43:58.696 INFO [stderr] warning: method is never used: `run_test`
Dec 06 08:43:58.696 INFO [stderr]    --> src/problem.rs:120:2
Dec 06 08:43:58.700 INFO [stderr]     |
Dec 06 08:43:58.700 INFO [stderr] 120 |     fn run_test(&self, test_no: i32) -> Result<(), ProblemError> {
Dec 06 08:43:58.700 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.700 INFO [stderr] 
Dec 06 08:43:58.700 INFO [stderr] warning: method is never used: `make_error`
Dec 06 08:43:58.700 INFO [stderr]    --> src/problem.rs:169:2
Dec 06 08:43:58.700 INFO [stderr]     |
Dec 06 08:43:58.700 INFO [stderr] 169 |     fn make_error(&self, reason: &'static str, sys_part: String, test_no: i32) -> Result<(), ProblemError> {
Dec 06 08:43:58.700 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:43:58.700 INFO [stderr] 
Dec 06 08:43:59.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 06 08:43:59.180 INFO [stderr] su: No module specific data is present
Dec 06 08:43:59.904 INFO running `"docker" "inspect" "67faf348eb6a069653170ed4c7f4470923cfdf173b957be83d3748c9ebb6471c"`
Dec 06 08:44:00.174 INFO running `"docker" "rm" "-f" "67faf348eb6a069653170ed4c7f4470923cfdf173b957be83d3748c9ebb6471c"`
Dec 06 08:44:00.459 INFO [stdout] 67faf348eb6a069653170ed4c7f4470923cfdf173b957be83d3748c9ebb6471c
Dec 06 08:44:00.464 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 08:44:00.958 INFO [stdout] 8fd4e16a6d16a5120f44b5848237ca24aea18a1c3d162bd96009a08233733753
Dec 06 08:44:00.964 INFO running `"docker" "start" "-a" "8fd4e16a6d16a5120f44b5848237ca24aea18a1c3d162bd96009a08233733753"`
Dec 06 08:44:02.048 INFO [stderr] usermod: no changes
Dec 06 08:44:02.093 INFO [stderr]    Compiling rusty_checker v0.1.0 (/source)
Dec 06 08:44:02.660 INFO [stderr] warning: private type `problem::ProblemError` in public interface (error E0446)
Dec 06 08:44:02.660 INFO [stderr]    --> src/problem.rs:103:2
Dec 06 08:44:02.660 INFO [stderr]     |
Dec 06 08:44:02.660 INFO [stderr] 103 |       pub fn run(&self) -> Result<(), ProblemError> {
Dec 06 08:44:02.660 INFO [stderr]     |  _____^
Dec 06 08:44:02.660 INFO [stderr] 104 | |         let builder = match Command::new("rustc")
Dec 06 08:44:02.660 INFO [stderr] 105 | |             .arg(format!("{}/{}/{}.rs", PROBLEMS_DIR, self.str_id, self.str_id))
Dec 06 08:44:02.660 INFO [stderr] 106 | |             .arg("--out-dir")
Dec 06 08:44:02.660 INFO [stderr] ...   |
Dec 06 08:44:02.660 INFO [stderr] 117 | |         return self.run_test(1);
Dec 06 08:44:02.660 INFO [stderr] 118 | |     }
Dec 06 08:44:02.660 INFO [stderr]     | |_____^
Dec 06 08:44:02.660 INFO [stderr]     |
Dec 06 08:44:02.660 INFO [stderr]     = note: #[warn(private_in_public)] on by default
Dec 06 08:44:02.660 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 06 08:44:02.660 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 06 08:44:02.660 INFO [stderr] 
Dec 06 08:44:03.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Dec 06 08:44:03.847 INFO [stderr] su: No module specific data is present
Dec 06 08:44:04.730 INFO running `"docker" "inspect" "8fd4e16a6d16a5120f44b5848237ca24aea18a1c3d162bd96009a08233733753"`
Dec 06 08:44:04.876 INFO running `"docker" "rm" "-f" "8fd4e16a6d16a5120f44b5848237ca24aea18a1c3d162bd96009a08233733753"`
Dec 06 08:44:05.092 INFO [stdout] 8fd4e16a6d16a5120f44b5848237ca24aea18a1c3d162bd96009a08233733753