Oct 12 22:17:23.078 INFO checking dyashkir/rust_hello against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 22:17:23.078 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 22:17:23.436 INFO blam! 48538866b820703e67ce4c5817b0b77d8f5355004346c009ba59525a15de1ece
Oct 12 22:17:23.444 INFO running `"docker" "start" "-a" "48538866b820703e67ce4c5817b0b77d8f5355004346c009ba59525a15de1ece"`
Oct 12 22:17:24.704 INFO kablam! usermod: no changes
Oct 12 22:17:24.816 INFO kablam!     Checking hello_world v0.1.0 (/source)
Oct 12 22:17:25.582 INFO kablam! warning: unused import: `std::io`
Oct 12 22:17:25.582 INFO kablam!  --> src/main.rs:9:5
Oct 12 22:17:25.582 INFO kablam!   |
Oct 12 22:17:25.582 INFO kablam! 9 | use std::io;
Oct 12 22:17:25.582 INFO kablam!   |     ^^^^^^^
Oct 12 22:17:25.582 INFO kablam!   |
Oct 12 22:17:25.582 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 22:17:25.582 INFO kablam! 
Oct 12 22:17:25.582 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 22:17:25.582 INFO kablam!   --> src/main.rs:10:5
Oct 12 22:17:25.582 INFO kablam!    |
Oct 12 22:17:25.582 INFO kablam! 10 | use std::io::prelude::*;
Oct 12 22:17:25.582 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 22:17:25.582 INFO kablam! 
Oct 12 22:17:25.589 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 22:17:25.589 INFO kablam!   --> src/main.rs:11:5
Oct 12 22:17:25.589 INFO kablam!    |
Oct 12 22:17:25.590 INFO kablam! 11 | use std::fs::File;
Oct 12 22:17:25.590 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 22:17:25.590 INFO kablam! 
Oct 12 22:17:25.685 INFO kablam! warning: variable `v` is assigned to, but never used
Oct 12 22:17:25.685 INFO kablam!   --> src/main.rs:49:17
Oct 12 22:17:25.685 INFO kablam!    |
Oct 12 22:17:25.686 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Oct 12 22:17:25.686 INFO kablam!    |                 ^
Oct 12 22:17:25.686 INFO kablam!    |
Oct 12 22:17:25.687 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 22:17:25.687 INFO kablam!    = note: consider using `_v` instead
Oct 12 22:17:25.687 INFO kablam! 
Oct 12 22:17:25.687 INFO kablam! warning: value assigned to `v` is never read
Oct 12 22:17:25.688 INFO kablam!   --> src/main.rs:50:9
Oct 12 22:17:25.688 INFO kablam!    |
Oct 12 22:17:25.688 INFO kablam! 50 |         v = record.unwrap();
Oct 12 22:17:25.688 INFO kablam!    |         ^
Oct 12 22:17:25.689 INFO kablam!    |
Oct 12 22:17:25.689 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 22:17:25.689 INFO kablam! 
Oct 12 22:17:25.720 INFO kablam! warning: unused import: `std::io`
Oct 12 22:17:25.721 INFO kablam!  --> src/main.rs:9:5
Oct 12 22:17:25.721 INFO kablam!   |
Oct 12 22:17:25.721 INFO kablam! 9 | use std::io;
Oct 12 22:17:25.722 INFO kablam!   |     ^^^^^^^
Oct 12 22:17:25.722 INFO kablam!   |
Oct 12 22:17:25.722 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 22:17:25.722 INFO kablam! 
Oct 12 22:17:25.723 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 22:17:25.723 INFO kablam!   --> src/main.rs:10:5
Oct 12 22:17:25.723 INFO kablam!    |
Oct 12 22:17:25.723 INFO kablam! 10 | use std::io::prelude::*;
Oct 12 22:17:25.724 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 22:17:25.724 INFO kablam! 
Oct 12 22:17:25.724 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 22:17:25.724 INFO kablam!   --> src/main.rs:11:5
Oct 12 22:17:25.725 INFO kablam!    |
Oct 12 22:17:25.725 INFO kablam! 11 | use std::fs::File;
Oct 12 22:17:25.725 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 22:17:25.726 INFO kablam! 
Oct 12 22:17:25.816 INFO kablam! warning: variable `v` is assigned to, but never used
Oct 12 22:17:25.817 INFO kablam!   --> src/main.rs:49:17
Oct 12 22:17:25.817 INFO kablam!    |
Oct 12 22:17:25.817 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Oct 12 22:17:25.818 INFO kablam!    |                 ^
Oct 12 22:17:25.818 INFO kablam!    |
Oct 12 22:17:25.818 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 22:17:25.818 INFO kablam!    = note: consider using `_v` instead
Oct 12 22:17:25.819 INFO kablam! 
Oct 12 22:17:25.819 INFO kablam! warning: value assigned to `v` is never read
Oct 12 22:17:25.819 INFO kablam!   --> src/main.rs:50:9
Oct 12 22:17:25.820 INFO kablam!    |
Oct 12 22:17:25.820 INFO kablam! 50 |         v = record.unwrap();
Oct 12 22:17:25.820 INFO kablam!    |         ^
Oct 12 22:17:25.820 INFO kablam!    |
Oct 12 22:17:25.821 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 22:17:25.821 INFO kablam! 
Oct 12 22:17:25.845 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Oct 12 22:17:25.855 INFO kablam! su: No module specific data is present
Oct 12 22:17:26.676 INFO running `"docker" "rm" "-f" "48538866b820703e67ce4c5817b0b77d8f5355004346c009ba59525a15de1ece"`
Oct 12 22:17:26.940 INFO blam! 48538866b820703e67ce4c5817b0b77d8f5355004346c009ba59525a15de1ece