[INFO] updating cached repository Snakeyes97/Brainfuck-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Snakeyes97/Brainfuck-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Snakeyes97/Brainfuck-rs" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Snakeyes97/Brainfuck-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Snakeyes97/Brainfuck-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Snakeyes97/Brainfuck-rs" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Snakeyes97/Brainfuck-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Snakeyes97/Brainfuck-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c5c8e40245aaee3db0337ecc405dfd2840fefc7
[INFO] sha for GitHub repo Snakeyes97/Brainfuck-rs: 4c5c8e40245aaee3db0337ecc405dfd2840fefc7
[INFO] validating manifest of Snakeyes97/Brainfuck-rs on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Snakeyes97/Brainfuck-rs on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Snakeyes97/Brainfuck-rs
[INFO] finished frobbing Snakeyes97/Brainfuck-rs
[INFO] frobbed toml for Snakeyes97/Brainfuck-rs written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Snakeyes97/Brainfuck-rs/Cargo.toml
[INFO] started frobbing Snakeyes97/Brainfuck-rs
[INFO] finished frobbing Snakeyes97/Brainfuck-rs
[INFO] frobbed toml for Snakeyes97/Brainfuck-rs written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Snakeyes97/Brainfuck-rs/Cargo.toml
[INFO] crate Snakeyes97/Brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Snakeyes97/Brainfuck-rs against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-1/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 97942347528fecaa5ff07d3d82a0a5ee7aedbe55615d3f78d2085eec734a1c00
[INFO] running `"docker" "start" "-a" "97942347528fecaa5ff07d3d82a0a5ee7aedbe55615d3f78d2085eec734a1c00"`
[INFO] [stderr]     Checking brainfuck_interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `iter`, `str`
[INFO] [stderr]  --> src/interpreter.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{iter,str};
[INFO] [stderr]   |           ^^^^ ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `iter`, `str`
[INFO] [stderr]  --> src/interpreter.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{iter,str};
[INFO] [stderr]   |           ^^^^ ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interpreter`
[INFO] [stderr]  --> src/interpreter.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Interpreter {
[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/interpreter.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/interpreter.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn parse(&mut self, source: String) -> Result<(),String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_parenthesis`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn check_parenthesis(text : String) -> Result<(), usize> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interpreter`
[INFO] [stderr]  --> src/interpreter.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Interpreter {
[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/interpreter.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/interpreter.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn parse(&mut self, source: String) -> Result<(),String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_parenthesis`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn check_parenthesis(text : String) -> Result<(), usize> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "97942347528fecaa5ff07d3d82a0a5ee7aedbe55615d3f78d2085eec734a1c00"`
[INFO] running `"docker" "rm" "-f" "97942347528fecaa5ff07d3d82a0a5ee7aedbe55615d3f78d2085eec734a1c00"`
[INFO] [stdout] 97942347528fecaa5ff07d3d82a0a5ee7aedbe55615d3f78d2085eec734a1c00