Dec 04 19:29:55.132 INFO checking dyashkir/rust_hello against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:29:55.132 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 19:29:55.707 INFO [stdout] acd42d5740dab48da77bb40fe26fd9ebd0386fa57b62708c48769f49f80cf499
Dec 04 19:29:55.711 INFO running `"docker" "start" "-a" "acd42d5740dab48da77bb40fe26fd9ebd0386fa57b62708c48769f49f80cf499"`
Dec 04 19:29:56.947 INFO [stderr] usermod: no changes
Dec 04 19:29:57.054 INFO [stderr]     Checking csv v0.15.0
Dec 04 19:29:57.943 INFO [stderr]     Checking hello_world v0.1.0 (/source)
Dec 04 19:29:58.573 INFO [stderr] warning: unused import: `std::io`
Dec 04 19:29:58.573 INFO [stderr]  --> src/main.rs:9:5
Dec 04 19:29:58.573 INFO [stderr]   |
Dec 04 19:29:58.573 INFO [stderr] 9 | use std::io;
Dec 04 19:29:58.573 INFO [stderr]   |     ^^^^^^^
Dec 04 19:29:58.573 INFO [stderr]   |
Dec 04 19:29:58.573 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:29:58.573 INFO [stderr] 
Dec 04 19:29:58.573 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 19:29:58.573 INFO [stderr]   --> src/main.rs:10:5
Dec 04 19:29:58.573 INFO [stderr]    |
Dec 04 19:29:58.573 INFO [stderr] 10 | use std::io::prelude::*;
Dec 04 19:29:58.573 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 19:29:58.573 INFO [stderr] 
Dec 04 19:29:58.574 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 19:29:58.574 INFO [stderr]   --> src/main.rs:11:5
Dec 04 19:29:58.574 INFO [stderr]    |
Dec 04 19:29:58.574 INFO [stderr] 11 | use std::fs::File;
Dec 04 19:29:58.574 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 19:29:58.574 INFO [stderr] 
Dec 04 19:29:58.619 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 19:29:58.619 INFO [stderr]   --> src/main.rs:49:17
Dec 04 19:29:58.619 INFO [stderr]    |
Dec 04 19:29:58.619 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Dec 04 19:29:58.619 INFO [stderr]    |                 ^
Dec 04 19:29:58.619 INFO [stderr]    |
Dec 04 19:29:58.619 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:29:58.619 INFO [stderr]    = note: consider using `_v` instead
Dec 04 19:29:58.619 INFO [stderr] 
Dec 04 19:29:58.619 INFO [stderr] warning: value assigned to `v` is never read
Dec 04 19:29:58.619 INFO [stderr]   --> src/main.rs:50:9
Dec 04 19:29:58.619 INFO [stderr]    |
Dec 04 19:29:58.619 INFO [stderr] 50 |         v = record.unwrap();
Dec 04 19:29:58.619 INFO [stderr]    |         ^
Dec 04 19:29:58.619 INFO [stderr]    |
Dec 04 19:29:58.619 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:29:58.619 INFO [stderr] 
Dec 04 19:29:58.783 INFO [stderr] warning: unused import: `std::io`
Dec 04 19:29:58.783 INFO [stderr]  --> src/main.rs:9:5
Dec 04 19:29:58.783 INFO [stderr]   |
Dec 04 19:29:58.783 INFO [stderr] 9 | use std::io;
Dec 04 19:29:58.783 INFO [stderr]   |     ^^^^^^^
Dec 04 19:29:58.783 INFO [stderr]   |
Dec 04 19:29:58.783 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:29:58.783 INFO [stderr] 
Dec 04 19:29:58.783 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 19:29:58.783 INFO [stderr]   --> src/main.rs:10:5
Dec 04 19:29:58.783 INFO [stderr]    |
Dec 04 19:29:58.783 INFO [stderr] 10 | use std::io::prelude::*;
Dec 04 19:29:58.783 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 19:29:58.783 INFO [stderr] 
Dec 04 19:29:58.783 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 19:29:58.783 INFO [stderr]   --> src/main.rs:11:5
Dec 04 19:29:58.783 INFO [stderr]    |
Dec 04 19:29:58.783 INFO [stderr] 11 | use std::fs::File;
Dec 04 19:29:58.783 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 19:29:58.783 INFO [stderr] 
Dec 04 19:29:58.823 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 19:29:58.823 INFO [stderr]   --> src/main.rs:49:17
Dec 04 19:29:58.823 INFO [stderr]    |
Dec 04 19:29:58.823 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Dec 04 19:29:58.823 INFO [stderr]    |                 ^
Dec 04 19:29:58.823 INFO [stderr]    |
Dec 04 19:29:58.823 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:29:58.823 INFO [stderr]    = note: consider using `_v` instead
Dec 04 19:29:58.823 INFO [stderr] 
Dec 04 19:29:58.823 INFO [stderr] warning: value assigned to `v` is never read
Dec 04 19:29:58.823 INFO [stderr]   --> src/main.rs:50:9
Dec 04 19:29:58.823 INFO [stderr]    |
Dec 04 19:29:58.823 INFO [stderr] 50 |         v = record.unwrap();
Dec 04 19:29:58.823 INFO [stderr]    |         ^
Dec 04 19:29:58.823 INFO [stderr]    |
Dec 04 19:29:58.823 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:29:58.823 INFO [stderr] 
Dec 04 19:29:58.866 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Dec 04 19:29:58.882 INFO [stderr] su: No module specific data is present
Dec 04 19:29:59.711 INFO running `"docker" "inspect" "acd42d5740dab48da77bb40fe26fd9ebd0386fa57b62708c48769f49f80cf499"`
Dec 04 19:29:59.946 INFO running `"docker" "rm" "-f" "acd42d5740dab48da77bb40fe26fd9ebd0386fa57b62708c48769f49f80cf499"`
Dec 04 19:30:00.194 INFO [stdout] acd42d5740dab48da77bb40fe26fd9ebd0386fa57b62708c48769f49f80cf499