Dec 19 21:52:04.727 INFO checking Snakeyes97/Brainfuck-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:52:04.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Snakeyes97/Brainfuck-rs:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:52:05.336 INFO [stdout] c4921d61bfe92e21f6a2ebc0843173787da54c04ab5ca6a2c000dafe5c7a34f0
Dec 19 21:52:05.392 INFO running `"docker" "start" "-a" "c4921d61bfe92e21f6a2ebc0843173787da54c04ab5ca6a2c000dafe5c7a34f0"`
Dec 19 21:52:06.892 INFO [stderr]     Checking brainfuck_interpreter v0.1.0 (/opt/crater/workdir)
Dec 19 21:52:07.216 INFO [stderr] warning: unused imports: `iter`, `str`
Dec 19 21:52:07.216 INFO [stderr]  --> src/interpreter.rs:1:11
Dec 19 21:52:07.216 INFO [stderr]   |
Dec 19 21:52:07.216 INFO [stderr] 1 | use std::{iter,str};
Dec 19 21:52:07.216 INFO [stderr]   |           ^^^^ ^^^
Dec 19 21:52:07.216 INFO [stderr]   |
Dec 19 21:52:07.216 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:52:07.216 INFO [stderr] 
Dec 19 21:52:07.276 INFO [stderr] warning: struct is never constructed: `Interpreter`
Dec 19 21:52:07.276 INFO [stderr]  --> src/interpreter.rs:2:1
Dec 19 21:52:07.276 INFO [stderr]   |
Dec 19 21:52:07.276 INFO [stderr] 2 | struct Interpreter {
Dec 19 21:52:07.276 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.276 INFO [stderr]   |
Dec 19 21:52:07.276 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:52:07.276 INFO [stderr] 
Dec 19 21:52:07.276 INFO [stderr] warning: method is never used: `new`
Dec 19 21:52:07.276 INFO [stderr]  --> src/interpreter.rs:9:5
Dec 19 21:52:07.276 INFO [stderr]   |
Dec 19 21:52:07.276 INFO [stderr] 9 |     pub fn new() -> Self {
Dec 19 21:52:07.276 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.276 INFO [stderr] 
Dec 19 21:52:07.276 INFO [stderr] warning: method is never used: `parse`
Dec 19 21:52:07.276 INFO [stderr]   --> src/interpreter.rs:12:5
Dec 19 21:52:07.276 INFO [stderr]    |
Dec 19 21:52:07.276 INFO [stderr] 12 |     pub fn parse(&mut self, source: String) -> Result<(),String> {
Dec 19 21:52:07.276 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.276 INFO [stderr] 
Dec 19 21:52:07.276 INFO [stderr] warning: function is never used: `check_parenthesis`
Dec 19 21:52:07.276 INFO [stderr]  --> src/main.rs:9:1
Dec 19 21:52:07.276 INFO [stderr]   |
Dec 19 21:52:07.276 INFO [stderr] 9 | fn check_parenthesis(text : String) -> Result<(), usize> {
Dec 19 21:52:07.276 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.276 INFO [stderr] 
Dec 19 21:52:07.314 INFO [stderr] warning: unused imports: `iter`, `str`
Dec 19 21:52:07.314 INFO [stderr]  --> src/interpreter.rs:1:11
Dec 19 21:52:07.314 INFO [stderr]   |
Dec 19 21:52:07.314 INFO [stderr] 1 | use std::{iter,str};
Dec 19 21:52:07.314 INFO [stderr]   |           ^^^^ ^^^
Dec 19 21:52:07.314 INFO [stderr]   |
Dec 19 21:52:07.314 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:52:07.314 INFO [stderr] 
Dec 19 21:52:07.387 INFO [stderr] warning: struct is never constructed: `Interpreter`
Dec 19 21:52:07.388 INFO [stderr]  --> src/interpreter.rs:2:1
Dec 19 21:52:07.388 INFO [stderr]   |
Dec 19 21:52:07.388 INFO [stderr] 2 | struct Interpreter {
Dec 19 21:52:07.388 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.388 INFO [stderr]   |
Dec 19 21:52:07.388 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:52:07.388 INFO [stderr] 
Dec 19 21:52:07.388 INFO [stderr] warning: method is never used: `new`
Dec 19 21:52:07.388 INFO [stderr]  --> src/interpreter.rs:9:5
Dec 19 21:52:07.388 INFO [stderr]   |
Dec 19 21:52:07.388 INFO [stderr] 9 |     pub fn new() -> Self {
Dec 19 21:52:07.388 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.388 INFO [stderr] 
Dec 19 21:52:07.388 INFO [stderr] warning: method is never used: `parse`
Dec 19 21:52:07.388 INFO [stderr]   --> src/interpreter.rs:12:5
Dec 19 21:52:07.388 INFO [stderr]    |
Dec 19 21:52:07.388 INFO [stderr] 12 |     pub fn parse(&mut self, source: String) -> Result<(),String> {
Dec 19 21:52:07.388 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.388 INFO [stderr] 
Dec 19 21:52:07.388 INFO [stderr] warning: function is never used: `check_parenthesis`
Dec 19 21:52:07.388 INFO [stderr]  --> src/main.rs:9:1
Dec 19 21:52:07.388 INFO [stderr]   |
Dec 19 21:52:07.388 INFO [stderr] 9 | fn check_parenthesis(text : String) -> Result<(), usize> {
Dec 19 21:52:07.388 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:52:07.388 INFO [stderr] 
Dec 19 21:52:07.422 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 19 21:52:08.062 INFO running `"docker" "inspect" "c4921d61bfe92e21f6a2ebc0843173787da54c04ab5ca6a2c000dafe5c7a34f0"`
Dec 19 21:52:08.344 INFO running `"docker" "rm" "-f" "c4921d61bfe92e21f6a2ebc0843173787da54c04ab5ca6a2c000dafe5c7a34f0"`
Dec 19 21:52:08.628 INFO [stdout] c4921d61bfe92e21f6a2ebc0843173787da54c04ab5ca6a2c000dafe5c7a34f0