Nov 01 05:44:55.014 INFO checking dyashkir/rust_hello against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 05:44:55.014 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 05:44:55.327 INFO blam! dc3f67be85ad209c63122112a88922514bde3aa52035413ebb2a06acd84b4b64
Nov 01 05:44:55.329 INFO running `"docker" "start" "-a" "dc3f67be85ad209c63122112a88922514bde3aa52035413ebb2a06acd84b4b64"`
Nov 01 05:44:56.728 INFO kablam! usermod: no changes
Nov 01 05:44:56.800 INFO kablam!     Checking hello_world v0.1.0 (/source)
Nov 01 05:44:57.401 INFO kablam! warning: unused import: `std::io`
Nov 01 05:44:57.401 INFO kablam!  --> src/main.rs:9:5
Nov 01 05:44:57.401 INFO kablam!   |
Nov 01 05:44:57.402 INFO kablam! 9 | use std::io;
Nov 01 05:44:57.402 INFO kablam!   |     ^^^^^^^
Nov 01 05:44:57.402 INFO kablam!   |
Nov 01 05:44:57.402 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 05:44:57.403 INFO kablam! 
Nov 01 05:44:57.403 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 01 05:44:57.403 INFO kablam!   --> src/main.rs:10:5
Nov 01 05:44:57.403 INFO kablam!    |
Nov 01 05:44:57.404 INFO kablam! 10 | use std::io::prelude::*;
Nov 01 05:44:57.404 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 01 05:44:57.404 INFO kablam! 
Nov 01 05:44:57.404 INFO kablam! warning: unused import: `std::fs::File`
Nov 01 05:44:57.405 INFO kablam!   --> src/main.rs:11:5
Nov 01 05:44:57.405 INFO kablam!    |
Nov 01 05:44:57.405 INFO kablam! 11 | use std::fs::File;
Nov 01 05:44:57.406 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 05:44:57.406 INFO kablam! 
Nov 01 05:44:57.453 INFO kablam! warning: variable `v` is assigned to, but never used
Nov 01 05:44:57.453 INFO kablam!   --> src/main.rs:49:17
Nov 01 05:44:57.453 INFO kablam!    |
Nov 01 05:44:57.453 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Nov 01 05:44:57.454 INFO kablam!    |                 ^
Nov 01 05:44:57.454 INFO kablam!    |
Nov 01 05:44:57.454 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 05:44:57.455 INFO kablam!    = note: consider using `_v` instead
Nov 01 05:44:57.455 INFO kablam! 
Nov 01 05:44:57.455 INFO kablam! warning: value assigned to `v` is never read
Nov 01 05:44:57.455 INFO kablam!   --> src/main.rs:50:9
Nov 01 05:44:57.456 INFO kablam!    |
Nov 01 05:44:57.456 INFO kablam! 50 |         v = record.unwrap();
Nov 01 05:44:57.456 INFO kablam!    |         ^
Nov 01 05:44:57.457 INFO kablam!    |
Nov 01 05:44:57.457 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 05:44:57.457 INFO kablam! 
Nov 01 05:44:57.676 INFO kablam! warning: unused import: `std::io`
Nov 01 05:44:57.676 INFO kablam!  --> src/main.rs:9:5
Nov 01 05:44:57.676 INFO kablam!   |
Nov 01 05:44:57.676 INFO kablam! 9 | use std::io;
Nov 01 05:44:57.676 INFO kablam!   |     ^^^^^^^
Nov 01 05:44:57.676 INFO kablam!   |
Nov 01 05:44:57.676 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 05:44:57.676 INFO kablam! 
Nov 01 05:44:57.676 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 01 05:44:57.676 INFO kablam!   --> src/main.rs:10:5
Nov 01 05:44:57.676 INFO kablam!    |
Nov 01 05:44:57.676 INFO kablam! 10 | use std::io::prelude::*;
Nov 01 05:44:57.676 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 01 05:44:57.676 INFO kablam! 
Nov 01 05:44:57.676 INFO kablam! warning: unused import: `std::fs::File`
Nov 01 05:44:57.676 INFO kablam!   --> src/main.rs:11:5
Nov 01 05:44:57.676 INFO kablam!    |
Nov 01 05:44:57.676 INFO kablam! 11 | use std::fs::File;
Nov 01 05:44:57.676 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 05:44:57.676 INFO kablam! 
Nov 01 05:44:57.724 INFO kablam! warning: variable `v` is assigned to, but never used
Nov 01 05:44:57.724 INFO kablam!   --> src/main.rs:49:17
Nov 01 05:44:57.724 INFO kablam!    |
Nov 01 05:44:57.724 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Nov 01 05:44:57.724 INFO kablam!    |                 ^
Nov 01 05:44:57.724 INFO kablam!    |
Nov 01 05:44:57.724 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 05:44:57.724 INFO kablam!    = note: consider using `_v` instead
Nov 01 05:44:57.724 INFO kablam! 
Nov 01 05:44:57.724 INFO kablam! warning: value assigned to `v` is never read
Nov 01 05:44:57.724 INFO kablam!   --> src/main.rs:50:9
Nov 01 05:44:57.724 INFO kablam!    |
Nov 01 05:44:57.724 INFO kablam! 50 |         v = record.unwrap();
Nov 01 05:44:57.724 INFO kablam!    |         ^
Nov 01 05:44:57.724 INFO kablam!    |
Nov 01 05:44:57.724 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 05:44:57.724 INFO kablam! 
Nov 01 05:44:57.780 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Nov 01 05:44:57.780 INFO kablam! su: No module specific data is present
Nov 01 05:44:58.372 INFO running `"docker" "rm" "-f" "dc3f67be85ad209c63122112a88922514bde3aa52035413ebb2a06acd84b4b64"`
Nov 01 05:44:58.705 INFO blam! dc3f67be85ad209c63122112a88922514bde3aa52035413ebb2a06acd84b4b64