Nov 30 06:24:43.814 INFO checking bb2000/brainfuck_rs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:24:43.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 06:24:44.328 INFO [stdout] a37920d47bbe02da5d4ca887ec1f19c74e715cb3baac6567b54892d5ca00e20a
Nov 30 06:24:44.335 INFO running `"docker" "start" "-a" "a37920d47bbe02da5d4ca887ec1f19c74e715cb3baac6567b54892d5ca00e20a"`
Nov 30 06:24:46.149 INFO [stderr] usermod: no changes
Nov 30 06:24:46.201 INFO [stderr]     Checking brainfuck v0.1.0 (/source)
Nov 30 06:24:46.688 INFO [stderr] warning: unused imports: `Read`, `Stdin`, `Write`
Nov 30 06:24:46.688 INFO [stderr]  --> src/brainfuck.rs:1:15
Nov 30 06:24:46.688 INFO [stderr]   |
Nov 30 06:24:46.688 INFO [stderr] 1 | use std::io::{Read, Write, Stdin};
Nov 30 06:24:46.688 INFO [stderr]   |               ^^^^  ^^^^^  ^^^^^
Nov 30 06:24:46.688 INFO [stderr]   |
Nov 30 06:24:46.688 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 06:24:46.688 INFO [stderr] 
Nov 30 06:24:46.688 INFO [stderr] warning: unused import: `std::io`
Nov 30 06:24:46.688 INFO [stderr]  --> src/brainfuck.rs:2:5
Nov 30 06:24:46.688 INFO [stderr]   |
Nov 30 06:24:46.688 INFO [stderr] 2 | use std::io;
Nov 30 06:24:46.688 INFO [stderr]   |     ^^^^^^^
Nov 30 06:24:46.688 INFO [stderr] 
Nov 30 06:24:46.688 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 06:24:46.688 INFO [stderr]   --> src/brainfuck.rs:41:25
Nov 30 06:24:46.688 INFO [stderr]    |
Nov 30 06:24:46.688 INFO [stderr] 41 |         for location in (0..self.memory.len()) {
Nov 30 06:24:46.688 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:24:46.688 INFO [stderr]    |
Nov 30 06:24:46.688 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 06:24:46.688 INFO [stderr] 
Nov 30 06:24:46.689 INFO [stderr] warning: unused import: `BufReader`
Nov 30 06:24:46.689 INFO [stderr]  --> src/main.rs:5:15
Nov 30 06:24:46.689 INFO [stderr]   |
Nov 30 06:24:46.689 INFO [stderr] 5 | use std::io::{BufReader, Read, Write};
Nov 30 06:24:46.689 INFO [stderr]   |               ^^^^^^^^^
Nov 30 06:24:46.689 INFO [stderr] 
Nov 30 06:24:46.852 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 06:24:46.852 INFO [stderr]   --> src/main.rs:19:5
Nov 30 06:24:46.852 INFO [stderr]    |
Nov 30 06:24:46.852 INFO [stderr] 19 |     io::stdout().flush();
Nov 30 06:24:46.852 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:24:46.852 INFO [stderr]    |
Nov 30 06:24:46.852 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 06:24:46.852 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 06:24:46.852 INFO [stderr] 
Nov 30 06:24:46.852 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 06:24:46.852 INFO [stderr]   --> src/main.rs:20:5
Nov 30 06:24:46.852 INFO [stderr]    |
Nov 30 06:24:46.852 INFO [stderr] 20 |     io::stdin().read_line(&mut input_buf);
Nov 30 06:24:46.852 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:24:46.852 INFO [stderr]    |
Nov 30 06:24:46.852 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 06:24:46.852 INFO [stderr] 
Nov 30 06:24:46.977 INFO [stderr] warning: unused imports: `Read`, `Stdin`, `Write`
Nov 30 06:24:46.978 INFO [stderr]  --> src/brainfuck.rs:1:15
Nov 30 06:24:46.978 INFO [stderr]   |
Nov 30 06:24:46.978 INFO [stderr] 1 | use std::io::{Read, Write, Stdin};
Nov 30 06:24:46.978 INFO [stderr]   |               ^^^^  ^^^^^  ^^^^^
Nov 30 06:24:46.978 INFO [stderr]   |
Nov 30 06:24:46.978 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 06:24:46.978 INFO [stderr] 
Nov 30 06:24:46.978 INFO [stderr] warning: unused import: `std::io`
Nov 30 06:24:46.978 INFO [stderr]  --> src/brainfuck.rs:2:5
Nov 30 06:24:46.978 INFO [stderr]   |
Nov 30 06:24:46.978 INFO [stderr] 2 | use std::io;
Nov 30 06:24:46.978 INFO [stderr]   |     ^^^^^^^
Nov 30 06:24:46.978 INFO [stderr] 
Nov 30 06:24:46.978 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 06:24:46.978 INFO [stderr]   --> src/brainfuck.rs:41:25
Nov 30 06:24:46.978 INFO [stderr]    |
Nov 30 06:24:46.978 INFO [stderr] 41 |         for location in (0..self.memory.len()) {
Nov 30 06:24:46.978 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 06:24:46.978 INFO [stderr]    |
Nov 30 06:24:46.978 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 06:24:46.978 INFO [stderr] 
Nov 30 06:24:46.978 INFO [stderr] warning: unused import: `BufReader`
Nov 30 06:24:46.978 INFO [stderr]  --> src/main.rs:5:15
Nov 30 06:24:46.978 INFO [stderr]   |
Nov 30 06:24:46.978 INFO [stderr] 5 | use std::io::{BufReader, Read, Write};
Nov 30 06:24:46.978 INFO [stderr]   |               ^^^^^^^^^
Nov 30 06:24:46.978 INFO [stderr] 
Nov 30 06:24:47.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 06:24:47.078 INFO [stderr]   --> src/main.rs:19:5
Nov 30 06:24:47.078 INFO [stderr]    |
Nov 30 06:24:47.078 INFO [stderr] 19 |     io::stdout().flush();
Nov 30 06:24:47.078 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:24:47.078 INFO [stderr]    |
Nov 30 06:24:47.078 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 06:24:47.078 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 06:24:47.078 INFO [stderr] 
Nov 30 06:24:47.078 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 06:24:47.078 INFO [stderr]   --> src/main.rs:20:5
Nov 30 06:24:47.078 INFO [stderr]    |
Nov 30 06:24:47.078 INFO [stderr] 20 |     io::stdin().read_line(&mut input_buf);
Nov 30 06:24:47.078 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:24:47.078 INFO [stderr]    |
Nov 30 06:24:47.078 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 06:24:47.078 INFO [stderr] 
Nov 30 06:24:47.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Nov 30 06:24:47.137 INFO [stderr] su: No module specific data is present
Nov 30 06:24:48.727 INFO running `"docker" "inspect" "a37920d47bbe02da5d4ca887ec1f19c74e715cb3baac6567b54892d5ca00e20a"`
Nov 30 06:24:49.030 INFO running `"docker" "rm" "-f" "a37920d47bbe02da5d4ca887ec1f19c74e715cb3baac6567b54892d5ca00e20a"`
Nov 30 06:24:49.416 INFO [stdout] a37920d47bbe02da5d4ca887ec1f19c74e715cb3baac6567b54892d5ca00e20a