Nov 28 08:52:33.210 INFO checking bb2000/brainfuck_rs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:52:33.210 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 08:52:33.846 INFO [stdout] 03bd8d6a7d49379c481135940d6f87e2b4d47f4e659f5087d742dc006c875070
Nov 28 08:52:33.848 INFO running `"docker" "start" "-a" "03bd8d6a7d49379c481135940d6f87e2b4d47f4e659f5087d742dc006c875070"`
Nov 28 08:52:35.647 INFO [stderr] usermod: no changes
Nov 28 08:52:35.716 INFO [stderr]     Checking brainfuck v0.1.0 (/source)
Nov 28 08:52:36.405 INFO [stderr] warning: unused imports: `Read`, `Stdin`, `Write`
Nov 28 08:52:36.405 INFO [stderr]  --> src/brainfuck.rs:1:15
Nov 28 08:52:36.406 INFO [stderr]   |
Nov 28 08:52:36.406 INFO [stderr] 1 | use std::io::{Read, Write, Stdin};
Nov 28 08:52:36.406 INFO [stderr]   |               ^^^^  ^^^^^  ^^^^^
Nov 28 08:52:36.406 INFO [stderr]   |
Nov 28 08:52:36.406 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:52:36.406 INFO [stderr] 
Nov 28 08:52:36.406 INFO [stderr] warning: unused import: `std::io`
Nov 28 08:52:36.406 INFO [stderr]  --> src/brainfuck.rs:2:5
Nov 28 08:52:36.406 INFO [stderr]   |
Nov 28 08:52:36.406 INFO [stderr] 2 | use std::io;
Nov 28 08:52:36.406 INFO [stderr]   |     ^^^^^^^
Nov 28 08:52:36.406 INFO [stderr] 
Nov 28 08:52:36.406 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 28 08:52:36.406 INFO [stderr]   --> src/brainfuck.rs:41:25
Nov 28 08:52:36.406 INFO [stderr]    |
Nov 28 08:52:36.406 INFO [stderr] 41 |         for location in (0..self.memory.len()) {
Nov 28 08:52:36.406 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 08:52:36.406 INFO [stderr]    |
Nov 28 08:52:36.406 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 08:52:36.406 INFO [stderr] 
Nov 28 08:52:36.407 INFO [stderr] warning: unused import: `BufReader`
Nov 28 08:52:36.407 INFO [stderr]  --> src/main.rs:5:15
Nov 28 08:52:36.407 INFO [stderr]   |
Nov 28 08:52:36.407 INFO [stderr] 5 | use std::io::{BufReader, Read, Write};
Nov 28 08:52:36.407 INFO [stderr]   |               ^^^^^^^^^
Nov 28 08:52:36.412 INFO [stderr] 
Nov 28 08:52:36.536 INFO [stderr] warning: unused imports: `Read`, `Stdin`, `Write`
Nov 28 08:52:36.536 INFO [stderr]  --> src/brainfuck.rs:1:15
Nov 28 08:52:36.536 INFO [stderr]   |
Nov 28 08:52:36.536 INFO [stderr] 1 | use std::io::{Read, Write, Stdin};
Nov 28 08:52:36.536 INFO [stderr]   |               ^^^^  ^^^^^  ^^^^^
Nov 28 08:52:36.536 INFO [stderr]   |
Nov 28 08:52:36.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 08:52:36.536 INFO [stderr] 
Nov 28 08:52:36.536 INFO [stderr] warning: unused import: `std::io`
Nov 28 08:52:36.536 INFO [stderr]  --> src/brainfuck.rs:2:5
Nov 28 08:52:36.536 INFO [stderr]   |
Nov 28 08:52:36.536 INFO [stderr] 2 | use std::io;
Nov 28 08:52:36.536 INFO [stderr]   |     ^^^^^^^
Nov 28 08:52:36.536 INFO [stderr] 
Nov 28 08:52:36.536 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 28 08:52:36.536 INFO [stderr]   --> src/brainfuck.rs:41:25
Nov 28 08:52:36.536 INFO [stderr]    |
Nov 28 08:52:36.536 INFO [stderr] 41 |         for location in (0..self.memory.len()) {
Nov 28 08:52:36.536 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 08:52:36.537 INFO [stderr]    |
Nov 28 08:52:36.537 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 08:52:36.537 INFO [stderr] 
Nov 28 08:52:36.537 INFO [stderr] warning: unused import: `BufReader`
Nov 28 08:52:36.537 INFO [stderr]  --> src/main.rs:5:15
Nov 28 08:52:36.537 INFO [stderr]   |
Nov 28 08:52:36.537 INFO [stderr] 5 | use std::io::{BufReader, Read, Write};
Nov 28 08:52:36.537 INFO [stderr]   |               ^^^^^^^^^
Nov 28 08:52:36.537 INFO [stderr] 
Nov 28 08:52:36.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:52:36.552 INFO [stderr]   --> src/main.rs:19:5
Nov 28 08:52:36.552 INFO [stderr]    |
Nov 28 08:52:36.552 INFO [stderr] 19 |     io::stdout().flush();
Nov 28 08:52:36.552 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:52:36.552 INFO [stderr]    |
Nov 28 08:52:36.552 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 08:52:36.552 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:52:36.552 INFO [stderr] 
Nov 28 08:52:36.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:52:36.552 INFO [stderr]   --> src/main.rs:20:5
Nov 28 08:52:36.552 INFO [stderr]    |
Nov 28 08:52:36.552 INFO [stderr] 20 |     io::stdin().read_line(&mut input_buf);
Nov 28 08:52:36.552 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:52:36.552 INFO [stderr]    |
Nov 28 08:52:36.552 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:52:36.552 INFO [stderr] 
Nov 28 08:52:36.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:52:36.668 INFO [stderr]   --> src/main.rs:19:5
Nov 28 08:52:36.668 INFO [stderr]    |
Nov 28 08:52:36.668 INFO [stderr] 19 |     io::stdout().flush();
Nov 28 08:52:36.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:52:36.668 INFO [stderr]    |
Nov 28 08:52:36.668 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 08:52:36.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:52:36.668 INFO [stderr] 
Nov 28 08:52:36.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:52:36.668 INFO [stderr]   --> src/main.rs:20:5
Nov 28 08:52:36.668 INFO [stderr]    |
Nov 28 08:52:36.668 INFO [stderr] 20 |     io::stdin().read_line(&mut input_buf);
Nov 28 08:52:36.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:52:36.668 INFO [stderr]    |
Nov 28 08:52:36.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:52:36.668 INFO [stderr] 
Nov 28 08:52:36.720 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Nov 28 08:52:36.720 INFO [stderr] su: No module specific data is present
Nov 28 08:52:37.609 INFO running `"docker" "inspect" "03bd8d6a7d49379c481135940d6f87e2b4d47f4e659f5087d742dc006c875070"`
Nov 28 08:52:37.990 INFO running `"docker" "rm" "-f" "03bd8d6a7d49379c481135940d6f87e2b4d47f4e659f5087d742dc006c875070"`
Nov 28 08:52:38.352 INFO [stdout] 03bd8d6a7d49379c481135940d6f87e2b4d47f4e659f5087d742dc006c875070