Oct 27 05:26:25.772 INFO checking dyashkir/rust_hello against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 05:26:25.772 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 05:26:25.939 INFO blam! 8f3c1bef3666f88d94a2fc30b4e5284ff99f46c818d53e81913c2c5ffcc56938
Oct 27 05:26:25.943 INFO running `"docker" "start" "-a" "8f3c1bef3666f88d94a2fc30b4e5284ff99f46c818d53e81913c2c5ffcc56938"`
Oct 27 05:26:26.650 INFO kablam! usermod: no changes
Oct 27 05:26:26.743 INFO kablam!     Checking hello_world v0.1.0 (/source)
Oct 27 05:26:27.391 INFO kablam! warning: unused import: `std::io`
Oct 27 05:26:27.391 INFO kablam!  --> src/main.rs:9:5
Oct 27 05:26:27.391 INFO kablam!   |
Oct 27 05:26:27.391 INFO kablam! 9 | use std::io;
Oct 27 05:26:27.391 INFO kablam!   |     ^^^^^^^
Oct 27 05:26:27.391 INFO kablam!   |
Oct 27 05:26:27.391 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 05:26:27.391 INFO kablam! 
Oct 27 05:26:27.391 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 27 05:26:27.391 INFO kablam!   --> src/main.rs:10:5
Oct 27 05:26:27.391 INFO kablam!    |
Oct 27 05:26:27.391 INFO kablam! 10 | use std::io::prelude::*;
Oct 27 05:26:27.391 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 27 05:26:27.391 INFO kablam! 
Oct 27 05:26:27.391 INFO kablam! warning: unused import: `std::fs::File`
Oct 27 05:26:27.391 INFO kablam!   --> src/main.rs:11:5
Oct 27 05:26:27.391 INFO kablam!    |
Oct 27 05:26:27.391 INFO kablam! 11 | use std::fs::File;
Oct 27 05:26:27.391 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 27 05:26:27.391 INFO kablam! 
Oct 27 05:26:27.396 INFO kablam! warning: unused import: `std::io`
Oct 27 05:26:27.396 INFO kablam!  --> src/main.rs:9:5
Oct 27 05:26:27.396 INFO kablam!   |
Oct 27 05:26:27.396 INFO kablam! 9 | use std::io;
Oct 27 05:26:27.396 INFO kablam!   |     ^^^^^^^
Oct 27 05:26:27.396 INFO kablam!   |
Oct 27 05:26:27.396 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 05:26:27.396 INFO kablam! 
Oct 27 05:26:27.396 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 27 05:26:27.396 INFO kablam!   --> src/main.rs:10:5
Oct 27 05:26:27.396 INFO kablam!    |
Oct 27 05:26:27.396 INFO kablam! 10 | use std::io::prelude::*;
Oct 27 05:26:27.396 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 27 05:26:27.396 INFO kablam! 
Oct 27 05:26:27.399 INFO kablam! warning: unused import: `std::fs::File`
Oct 27 05:26:27.399 INFO kablam!   --> src/main.rs:11:5
Oct 27 05:26:27.399 INFO kablam!    |
Oct 27 05:26:27.399 INFO kablam! 11 | use std::fs::File;
Oct 27 05:26:27.399 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 27 05:26:27.399 INFO kablam! 
Oct 27 05:26:27.435 INFO kablam! warning: variable `v` is assigned to, but never used
Oct 27 05:26:27.435 INFO kablam!   --> src/main.rs:49:17
Oct 27 05:26:27.435 INFO kablam!    |
Oct 27 05:26:27.435 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Oct 27 05:26:27.435 INFO kablam!    |                 ^
Oct 27 05:26:27.435 INFO kablam!    |
Oct 27 05:26:27.435 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 05:26:27.435 INFO kablam!    = note: consider using `_v` instead
Oct 27 05:26:27.435 INFO kablam! 
Oct 27 05:26:27.435 INFO kablam! warning: value assigned to `v` is never read
Oct 27 05:26:27.435 INFO kablam!   --> src/main.rs:50:9
Oct 27 05:26:27.435 INFO kablam!    |
Oct 27 05:26:27.435 INFO kablam! 50 |         v = record.unwrap();
Oct 27 05:26:27.435 INFO kablam!    |         ^
Oct 27 05:26:27.435 INFO kablam!    |
Oct 27 05:26:27.435 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 05:26:27.435 INFO kablam! 
Oct 27 05:26:27.442 INFO kablam! warning: variable `v` is assigned to, but never used
Oct 27 05:26:27.442 INFO kablam!   --> src/main.rs:49:17
Oct 27 05:26:27.442 INFO kablam!    |
Oct 27 05:26:27.442 INFO kablam! 49 |         let mut v = vec![0.0; 1000];
Oct 27 05:26:27.442 INFO kablam!    |                 ^
Oct 27 05:26:27.442 INFO kablam!    |
Oct 27 05:26:27.442 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 05:26:27.442 INFO kablam!    = note: consider using `_v` instead
Oct 27 05:26:27.443 INFO kablam! 
Oct 27 05:26:27.443 INFO kablam! warning: value assigned to `v` is never read
Oct 27 05:26:27.443 INFO kablam!   --> src/main.rs:50:9
Oct 27 05:26:27.443 INFO kablam!    |
Oct 27 05:26:27.443 INFO kablam! 50 |         v = record.unwrap();
Oct 27 05:26:27.443 INFO kablam!    |         ^
Oct 27 05:26:27.443 INFO kablam!    |
Oct 27 05:26:27.443 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 05:26:27.443 INFO kablam! 
Oct 27 05:26:27.467 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Oct 27 05:26:27.478 INFO kablam! su: No module specific data is present
Oct 27 05:26:28.146 INFO running `"docker" "rm" "-f" "8f3c1bef3666f88d94a2fc30b4e5284ff99f46c818d53e81913c2c5ffcc56938"`
Oct 27 05:26:28.479 INFO blam! 8f3c1bef3666f88d94a2fc30b4e5284ff99f46c818d53e81913c2c5ffcc56938