Oct 13 02:07:41.114 INFO checking Vinatorul/RustyChecker against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 02:07:41.114 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 02:07:41.694 INFO blam! c6834223d1d9fd5de5c621db23198630cc827d3770c1cd9c50baddb722ab267d
Oct 13 02:07:41.695 INFO running `"docker" "start" "-a" "c6834223d1d9fd5de5c621db23198630cc827d3770c1cd9c50baddb722ab267d"`
Oct 13 02:07:43.260 INFO kablam! usermod: no changes
Oct 13 02:07:43.322 INFO kablam!     Checking rusty_checker v0.1.0 (/source)
Oct 13 02:07:44.556 INFO kablam! warning: private type `problem::ProblemError` in public interface (error E0446)
Oct 13 02:07:44.556 INFO kablam!    --> src/problem.rs:103:2
Oct 13 02:07:44.556 INFO kablam!     |
Oct 13 02:07:44.556 INFO kablam! 103 |       pub fn run(&self) -> Result<(), ProblemError> {
Oct 13 02:07:44.556 INFO kablam!     |  _____^
Oct 13 02:07:44.556 INFO kablam! 104 | |         let builder = match Command::new("rustc")
Oct 13 02:07:44.556 INFO kablam! 105 | |             .arg(format!("{}/{}/{}.rs", PROBLEMS_DIR, self.str_id, self.str_id))
Oct 13 02:07:44.557 INFO kablam! 106 | |             .arg("--out-dir")
Oct 13 02:07:44.557 INFO kablam! ...   |
Oct 13 02:07:44.557 INFO kablam! 117 | |         return self.run_test(1);
Oct 13 02:07:44.557 INFO kablam! 118 | |     }
Oct 13 02:07:44.557 INFO kablam!     | |_____^
Oct 13 02:07:44.557 INFO kablam!     |
Oct 13 02:07:44.557 INFO kablam!     = note: #[warn(private_in_public)] on by default
Oct 13 02:07:44.557 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 13 02:07:44.557 INFO kablam!     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Oct 13 02:07:44.557 INFO kablam! 
Oct 13 02:07:44.612 INFO kablam! warning: constant item is never used: `PROBLEMS_DIR`
Oct 13 02:07:44.612 INFO kablam!   --> src/problem.rs:10:1
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 10 | const PROBLEMS_DIR: &'static str = "problems";
Oct 13 02:07:44.613 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: constant item is never used: `INPUT_DIR`
Oct 13 02:07:44.613 INFO kablam!   --> src/problem.rs:11:1
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 11 | const INPUT_DIR: &'static str = "input";
Oct 13 02:07:44.613 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: constant item is never used: `OUTPUT_DIR`
Oct 13 02:07:44.613 INFO kablam!   --> src/problem.rs:12:1
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 12 | const OUTPUT_DIR: &'static str = "output";
Oct 13 02:07:44.613 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: struct is never constructed: `Problem`
Oct 13 02:07:44.613 INFO kablam!   --> src/problem.rs:14:1
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 14 | pub struct Problem {
Oct 13 02:07:44.613 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: enum is never used: `State`
Oct 13 02:07:44.613 INFO kablam!   --> src/problem.rs:21:1
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 21 | enum State {
Oct 13 02:07:44.613 INFO kablam!    | ^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: struct is never constructed: `ProblemError`
Oct 13 02:07:44.613 INFO kablam!   --> src/problem.rs:28:1
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 28 | struct ProblemError {
Oct 13 02:07:44.613 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: method is never used: `new`
Oct 13 02:07:44.613 INFO kablam!   --> src/problem.rs:68:2
Oct 13 02:07:44.613 INFO kablam!    |
Oct 13 02:07:44.613 INFO kablam! 68 |     pub fn new(str_id: String) -> Problem {
Oct 13 02:07:44.613 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: method is never used: `run`
Oct 13 02:07:44.613 INFO kablam!    --> src/problem.rs:103:2
Oct 13 02:07:44.613 INFO kablam!     |
Oct 13 02:07:44.613 INFO kablam! 103 |     pub fn run(&self) -> Result<(), ProblemError> {
Oct 13 02:07:44.613 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: method is never used: `run_test`
Oct 13 02:07:44.613 INFO kablam!    --> src/problem.rs:120:2
Oct 13 02:07:44.613 INFO kablam!     |
Oct 13 02:07:44.613 INFO kablam! 120 |     fn run_test(&self, test_no: i32) -> Result<(), ProblemError> {
Oct 13 02:07:44.613 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.613 INFO kablam! warning: method is never used: `make_error`
Oct 13 02:07:44.613 INFO kablam!    --> src/problem.rs:169:2
Oct 13 02:07:44.613 INFO kablam!     |
Oct 13 02:07:44.613 INFO kablam! 169 |     fn make_error(&self, reason: &'static str, sys_part: String, test_no: i32) -> Result<(), ProblemError> {
Oct 13 02:07:44.613 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:07:44.613 INFO kablam! 
Oct 13 02:07:44.625 INFO kablam! warning: private type `problem::ProblemError` in public interface (error E0446)
Oct 13 02:07:44.625 INFO kablam!    --> src/problem.rs:103:2
Oct 13 02:07:44.625 INFO kablam!     |
Oct 13 02:07:44.625 INFO kablam! 103 |       pub fn run(&self) -> Result<(), ProblemError> {
Oct 13 02:07:44.625 INFO kablam!     |  _____^
Oct 13 02:07:44.625 INFO kablam! 104 | |         let builder = match Command::new("rustc")
Oct 13 02:07:44.625 INFO kablam! 105 | |             .arg(format!("{}/{}/{}.rs", PROBLEMS_DIR, self.str_id, self.str_id))
Oct 13 02:07:44.625 INFO kablam! 106 | |             .arg("--out-dir")
Oct 13 02:07:44.625 INFO kablam! ...   |
Oct 13 02:07:44.625 INFO kablam! 117 | |         return self.run_test(1);
Oct 13 02:07:44.625 INFO kablam! 118 | |     }
Oct 13 02:07:44.625 INFO kablam!     | |_____^
Oct 13 02:07:44.625 INFO kablam!     |
Oct 13 02:07:44.625 INFO kablam!     = note: #[warn(private_in_public)] on by default
Oct 13 02:07:44.625 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 13 02:07:44.625 INFO kablam!     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Oct 13 02:07:44.625 INFO kablam! 
Oct 13 02:07:44.714 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Oct 13 02:07:44.722 INFO kablam! su: No module specific data is present
Oct 13 02:07:45.620 INFO running `"docker" "rm" "-f" "c6834223d1d9fd5de5c621db23198630cc827d3770c1cd9c50baddb722ab267d"`
Oct 13 02:07:46.021 INFO blam! c6834223d1d9fd5de5c621db23198630cc827d3770c1cd9c50baddb722ab267d