Oct 27 05:26:26.280 INFO checking dyashkir/rust_hello against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 05:26:26.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 27 05:26:26.576 INFO blam! b1f04eebb044a2ec98572a5aefee7e753a217e8b57b8179c0c7f6220452fc31e
Oct 27 05:26:26.582 INFO running `"docker" "start" "-a" "b1f04eebb044a2ec98572a5aefee7e753a217e8b57b8179c0c7f6220452fc31e"`
Oct 27 05:26:27.847 INFO kablam! usermod: no changes
Oct 27 05:26:27.966 INFO kablam!     Checking hello_world v0.1.0 (/source)
Oct 27 05:26:28.687 INFO kablam! warning: unused import: `std::io`
Oct 27 05:26:28.688 INFO kablam!  --> src/main.rs:9:5
Oct 27 05:26:28.688 INFO kablam!   |
Oct 27 05:26:28.688 INFO kablam! 9 | use std::io;
Oct 27 05:26:28.688 INFO kablam!   |     ^^^^^^^
Oct 27 05:26:28.689 INFO kablam!   |
Oct 27 05:26:28.689 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 05:26:28.689 INFO kablam! 
Oct 27 05:26:28.689 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 27 05:26:28.690 INFO kablam!   --> src/main.rs:10:5
Oct 27 05:26:28.690 INFO kablam!    |
Oct 27 05:26:28.690 INFO kablam! 10 | use std::io::prelude::*;
Oct 27 05:26:28.691 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 27 05:26:28.691 INFO kablam! 
Oct 27 05:26:28.691 INFO kablam! warning: unused import: `std::fs::File`
Oct 27 05:26:28.691 INFO kablam!   --> src/main.rs:11:5
Oct 27 05:26:28.691 INFO kablam!    |
Oct 27 05:26:28.692 INFO kablam! 11 | use std::fs::File;
Oct 27 05:26:28.692 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 27 05:26:28.692 INFO kablam! 
Oct 27 05:26:28.697 INFO kablam! warning: unused import: `std::io`
Oct 27 05:26:28.697 INFO kablam!  --> src/main.rs:9:5
Oct 27 05:26:28.697 INFO kablam!   |
Oct 27 05:26:28.698 INFO kablam! 9 | use std::io;
Oct 27 05:26:28.698 INFO kablam!   |     ^^^^^^^
Oct 27 05:26:28.698 INFO kablam!   |
Oct 27 05:26:28.698 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 05:26:28.699 INFO kablam! 
Oct 27 05:26:28.699 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 27 05:26:28.699 INFO kablam!   --> src/main.rs:10:5
Oct 27 05:26:28.699 INFO kablam!    |
Oct 27 05:26:28.699 INFO kablam! 10 | use std::io::prelude::*;
Oct 27 05:26:28.699 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 27 05:26:28.699 INFO kablam! 
Oct 27 05:26:28.699 INFO kablam! warning: unused import: `std::fs::File`
Oct 27 05:26:28.703 INFO kablam!   --> src/main.rs:11:5
Oct 27 05:26:28.703 INFO kablam!    |
Oct 27 05:26:28.703 INFO kablam! 11 | use std::fs::File;
Oct 27 05:26:28.703 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 27 05:26:28.703 INFO kablam! 
Oct 27 05:26:28.730 INFO kablam! warning: variable `v` is assigned to, but never used
Oct 27 05:26:28.731 INFO kablam!   --> src/main.rs:49:17
Oct 27 05:26:28.731 INFO kablam!    |
Oct 27 05:26:28.731 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Oct 27 05:26:28.731 INFO kablam!    |                 ^
Oct 27 05:26:28.732 INFO kablam!    |
Oct 27 05:26:28.732 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 05:26:28.732 INFO kablam!    = note: consider using `_v` instead
Oct 27 05:26:28.733 INFO kablam! 
Oct 27 05:26:28.733 INFO kablam! warning: value assigned to `v` is never read
Oct 27 05:26:28.733 INFO kablam!   --> src/main.rs:50:9
Oct 27 05:26:28.733 INFO kablam!    |
Oct 27 05:26:28.733 INFO kablam! 50 |         v = record.unwrap();
Oct 27 05:26:28.733 INFO kablam!    |         ^
Oct 27 05:26:28.734 INFO kablam!    |
Oct 27 05:26:28.734 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 05:26:28.734 INFO kablam! 
Oct 27 05:26:28.744 INFO kablam! warning: variable `v` is assigned to, but never used
Oct 27 05:26:28.744 INFO kablam!   --> src/main.rs:49:17
Oct 27 05:26:28.744 INFO kablam!    |
Oct 27 05:26:28.744 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Oct 27 05:26:28.744 INFO kablam!    |                 ^
Oct 27 05:26:28.744 INFO kablam!    |
Oct 27 05:26:28.744 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 05:26:28.744 INFO kablam!    = note: consider using `_v` instead
Oct 27 05:26:28.744 INFO kablam! 
Oct 27 05:26:28.744 INFO kablam! warning: value assigned to `v` is never read
Oct 27 05:26:28.744 INFO kablam!   --> src/main.rs:50:9
Oct 27 05:26:28.744 INFO kablam!    |
Oct 27 05:26:28.744 INFO kablam! 50 |         v = record.unwrap();
Oct 27 05:26:28.744 INFO kablam!    |         ^
Oct 27 05:26:28.744 INFO kablam!    |
Oct 27 05:26:28.744 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 05:26:28.744 INFO kablam! 
Oct 27 05:26:28.815 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Oct 27 05:26:28.823 INFO kablam! su: No module specific data is present
Oct 27 05:26:29.443 INFO running `"docker" "rm" "-f" "b1f04eebb044a2ec98572a5aefee7e753a217e8b57b8179c0c7f6220452fc31e"`
Oct 27 05:26:29.755 INFO blam! b1f04eebb044a2ec98572a5aefee7e753a217e8b57b8179c0c7f6220452fc31e