Oct 13 00:42:41.171 INFO checking bb2000/brainfuck_rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:42:41.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 00:42:41.632 INFO blam! a4090d4b8d03f8aadacc673c2790d5d36af4792e7196b92261e516f15bb613ab
Oct 13 00:42:41.638 INFO running `"docker" "start" "-a" "a4090d4b8d03f8aadacc673c2790d5d36af4792e7196b92261e516f15bb613ab"`
Oct 13 00:42:42.632 INFO kablam! usermod: no changes
Oct 13 00:42:42.656 INFO kablam!     Checking brainfuck v0.1.0 (/source)
Oct 13 00:42:43.049 INFO kablam! warning: unused imports: `Read`, `Stdin`, `Write`
Oct 13 00:42:43.049 INFO kablam!  --> src/brainfuck.rs:1:15
Oct 13 00:42:43.049 INFO kablam!   |
Oct 13 00:42:43.049 INFO kablam! 1 | use std::io::{Read, Write, Stdin};
Oct 13 00:42:43.049 INFO kablam!   |               ^^^^  ^^^^^  ^^^^^
Oct 13 00:42:43.049 INFO kablam!   |
Oct 13 00:42:43.049 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:42:43.049 INFO kablam! 
Oct 13 00:42:43.049 INFO kablam! warning: unused import: `std::io`
Oct 13 00:42:43.049 INFO kablam!  --> src/brainfuck.rs:2:5
Oct 13 00:42:43.049 INFO kablam!   |
Oct 13 00:42:43.049 INFO kablam! 2 | use std::io;
Oct 13 00:42:43.049 INFO kablam!   |     ^^^^^^^
Oct 13 00:42:43.049 INFO kablam! 
Oct 13 00:42:43.049 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 00:42:43.049 INFO kablam!   --> src/brainfuck.rs:41:25
Oct 13 00:42:43.049 INFO kablam!    |
Oct 13 00:42:43.049 INFO kablam! 41 |         for location in (0..self.memory.len()) {
Oct 13 00:42:43.049 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 00:42:43.049 INFO kablam!    |
Oct 13 00:42:43.049 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 13 00:42:43.049 INFO kablam! 
Oct 13 00:42:43.049 INFO kablam! warning: unused import: `BufReader`
Oct 13 00:42:43.049 INFO kablam!  --> src/main.rs:5:15
Oct 13 00:42:43.049 INFO kablam!   |
Oct 13 00:42:43.049 INFO kablam! 5 | use std::io::{BufReader, Read, Write};
Oct 13 00:42:43.049 INFO kablam!   |               ^^^^^^^^^
Oct 13 00:42:43.049 INFO kablam! 
Oct 13 00:42:43.163 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 00:42:43.163 INFO kablam!   --> src/main.rs:19:5
Oct 13 00:42:43.163 INFO kablam!    |
Oct 13 00:42:43.163 INFO kablam! 19 |     io::stdout().flush();
Oct 13 00:42:43.163 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:42:43.163 INFO kablam!    |
Oct 13 00:42:43.163 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 00:42:43.163 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 00:42:43.164 INFO kablam! 
Oct 13 00:42:43.164 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 00:42:43.164 INFO kablam!   --> src/main.rs:20:5
Oct 13 00:42:43.164 INFO kablam!    |
Oct 13 00:42:43.164 INFO kablam! 20 |     io::stdin().read_line(&mut input_buf);
Oct 13 00:42:43.164 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:42:43.164 INFO kablam!    |
Oct 13 00:42:43.164 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 00:42:43.164 INFO kablam! 
Oct 13 00:42:43.512 INFO kablam! warning: unused imports: `Read`, `Stdin`, `Write`
Oct 13 00:42:43.512 INFO kablam!  --> src/brainfuck.rs:1:15
Oct 13 00:42:43.512 INFO kablam!   |
Oct 13 00:42:43.512 INFO kablam! 1 | use std::io::{Read, Write, Stdin};
Oct 13 00:42:43.512 INFO kablam!   |               ^^^^  ^^^^^  ^^^^^
Oct 13 00:42:43.512 INFO kablam!   |
Oct 13 00:42:43.512 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:42:43.512 INFO kablam! 
Oct 13 00:42:43.512 INFO kablam! warning: unused import: `std::io`
Oct 13 00:42:43.512 INFO kablam!  --> src/brainfuck.rs:2:5
Oct 13 00:42:43.512 INFO kablam!   |
Oct 13 00:42:43.512 INFO kablam! 2 | use std::io;
Oct 13 00:42:43.512 INFO kablam!   |     ^^^^^^^
Oct 13 00:42:43.513 INFO kablam! 
Oct 13 00:42:43.513 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 00:42:43.513 INFO kablam!   --> src/brainfuck.rs:41:25
Oct 13 00:42:43.513 INFO kablam!    |
Oct 13 00:42:43.513 INFO kablam! 41 |         for location in (0..self.memory.len()) {
Oct 13 00:42:43.513 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 00:42:43.513 INFO kablam!    |
Oct 13 00:42:43.513 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 13 00:42:43.513 INFO kablam! 
Oct 13 00:42:43.513 INFO kablam! warning: unused import: `BufReader`
Oct 13 00:42:43.513 INFO kablam!  --> src/main.rs:5:15
Oct 13 00:42:43.513 INFO kablam!   |
Oct 13 00:42:43.513 INFO kablam! 5 | use std::io::{BufReader, Read, Write};
Oct 13 00:42:43.513 INFO kablam!   |               ^^^^^^^^^
Oct 13 00:42:43.513 INFO kablam! 
Oct 13 00:42:43.602 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 00:42:43.602 INFO kablam!   --> src/main.rs:19:5
Oct 13 00:42:43.602 INFO kablam!    |
Oct 13 00:42:43.602 INFO kablam! 19 |     io::stdout().flush();
Oct 13 00:42:43.602 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:42:43.602 INFO kablam!    |
Oct 13 00:42:43.602 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 00:42:43.602 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 00:42:43.602 INFO kablam! 
Oct 13 00:42:43.602 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 00:42:43.602 INFO kablam!   --> src/main.rs:20:5
Oct 13 00:42:43.602 INFO kablam!    |
Oct 13 00:42:43.602 INFO kablam! 20 |     io::stdin().read_line(&mut input_buf);
Oct 13 00:42:43.602 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:42:43.602 INFO kablam!    |
Oct 13 00:42:43.602 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 00:42:43.602 INFO kablam! 
Oct 13 00:42:43.637 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Oct 13 00:42:43.658 INFO kablam! su: No module specific data is present
Oct 13 00:42:44.008 INFO running `"docker" "rm" "-f" "a4090d4b8d03f8aadacc673c2790d5d36af4792e7196b92261e516f15bb613ab"`
Oct 13 00:42:44.110 INFO blam! a4090d4b8d03f8aadacc673c2790d5d36af4792e7196b92261e516f15bb613ab