Nov 28 06:12:40.046 INFO checking dyashkir/rust_hello against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 06:12:40.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 06:12:40.656 INFO [stdout] 8a565be4709ce04229e755f8e7fc4e2b40149739aa0ba71b04100f120229ac52
Nov 28 06:12:40.659 INFO running `"docker" "start" "-a" "8a565be4709ce04229e755f8e7fc4e2b40149739aa0ba71b04100f120229ac52"`
Nov 28 06:12:41.728 INFO [stderr] usermod: no changes
Nov 28 06:12:41.814 INFO [stderr]     Checking csv v0.15.0
Nov 28 06:12:42.838 INFO [stderr]     Checking hello_world v0.1.0 (/source)
Nov 28 06:12:43.464 INFO [stderr] warning: unused import: `std::io`
Nov 28 06:12:43.464 INFO [stderr]  --> src/main.rs:9:5
Nov 28 06:12:43.464 INFO [stderr]   |
Nov 28 06:12:43.464 INFO [stderr] 9 | use std::io;
Nov 28 06:12:43.464 INFO [stderr]   |     ^^^^^^^
Nov 28 06:12:43.464 INFO [stderr]   |
Nov 28 06:12:43.464 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 06:12:43.464 INFO [stderr] 
Nov 28 06:12:43.464 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 06:12:43.464 INFO [stderr]   --> src/main.rs:10:5
Nov 28 06:12:43.464 INFO [stderr]    |
Nov 28 06:12:43.464 INFO [stderr] 10 | use std::io::prelude::*;
Nov 28 06:12:43.464 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 28 06:12:43.464 INFO [stderr] 
Nov 28 06:12:43.464 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 06:12:43.464 INFO [stderr]   --> src/main.rs:11:5
Nov 28 06:12:43.464 INFO [stderr]    |
Nov 28 06:12:43.464 INFO [stderr] 11 | use std::fs::File;
Nov 28 06:12:43.464 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 06:12:43.464 INFO [stderr] 
Nov 28 06:12:43.512 INFO [stderr] warning: variable `v` is assigned to, but never used
Nov 28 06:12:43.512 INFO [stderr]   --> src/main.rs:49:17
Nov 28 06:12:43.512 INFO [stderr]    |
Nov 28 06:12:43.512 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Nov 28 06:12:43.512 INFO [stderr]    |                 ^
Nov 28 06:12:43.512 INFO [stderr]    |
Nov 28 06:12:43.512 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 06:12:43.512 INFO [stderr]    = note: consider using `_v` instead
Nov 28 06:12:43.512 INFO [stderr] 
Nov 28 06:12:43.512 INFO [stderr] warning: value assigned to `v` is never read
Nov 28 06:12:43.512 INFO [stderr]   --> src/main.rs:50:9
Nov 28 06:12:43.512 INFO [stderr]    |
Nov 28 06:12:43.512 INFO [stderr] 50 |         v = record.unwrap();
Nov 28 06:12:43.512 INFO [stderr]    |         ^
Nov 28 06:12:43.512 INFO [stderr]    |
Nov 28 06:12:43.512 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 06:12:43.512 INFO [stderr] 
Nov 28 06:12:43.520 INFO [stderr] warning: unused import: `std::io`
Nov 28 06:12:43.520 INFO [stderr]  --> src/main.rs:9:5
Nov 28 06:12:43.520 INFO [stderr]   |
Nov 28 06:12:43.520 INFO [stderr] 9 | use std::io;
Nov 28 06:12:43.520 INFO [stderr]   |     ^^^^^^^
Nov 28 06:12:43.520 INFO [stderr]   |
Nov 28 06:12:43.521 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 06:12:43.521 INFO [stderr] 
Nov 28 06:12:43.521 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 06:12:43.521 INFO [stderr]   --> src/main.rs:10:5
Nov 28 06:12:43.521 INFO [stderr]    |
Nov 28 06:12:43.521 INFO [stderr] 10 | use std::io::prelude::*;
Nov 28 06:12:43.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 28 06:12:43.521 INFO [stderr] 
Nov 28 06:12:43.522 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 06:12:43.522 INFO [stderr]   --> src/main.rs:11:5
Nov 28 06:12:43.522 INFO [stderr]    |
Nov 28 06:12:43.522 INFO [stderr] 11 | use std::fs::File;
Nov 28 06:12:43.522 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 06:12:43.522 INFO [stderr] 
Nov 28 06:12:43.576 INFO [stderr] warning: variable `v` is assigned to, but never used
Nov 28 06:12:43.576 INFO [stderr]   --> src/main.rs:49:17
Nov 28 06:12:43.576 INFO [stderr]    |
Nov 28 06:12:43.576 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Nov 28 06:12:43.576 INFO [stderr]    |                 ^
Nov 28 06:12:43.577 INFO [stderr]    |
Nov 28 06:12:43.577 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 06:12:43.577 INFO [stderr]    = note: consider using `_v` instead
Nov 28 06:12:43.577 INFO [stderr] 
Nov 28 06:12:43.577 INFO [stderr] warning: value assigned to `v` is never read
Nov 28 06:12:43.577 INFO [stderr]   --> src/main.rs:50:9
Nov 28 06:12:43.577 INFO [stderr]    |
Nov 28 06:12:43.577 INFO [stderr] 50 |         v = record.unwrap();
Nov 28 06:12:43.577 INFO [stderr]    |         ^
Nov 28 06:12:43.577 INFO [stderr]    |
Nov 28 06:12:43.577 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 06:12:43.577 INFO [stderr] 
Nov 28 06:12:43.598 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Nov 28 06:12:43.601 INFO [stderr] su: No module specific data is present
Nov 28 06:12:44.175 INFO running `"docker" "inspect" "8a565be4709ce04229e755f8e7fc4e2b40149739aa0ba71b04100f120229ac52"`
Nov 28 06:12:44.557 INFO running `"docker" "rm" "-f" "8a565be4709ce04229e755f8e7fc4e2b40149739aa0ba71b04100f120229ac52"`
Nov 28 06:12:44.836 INFO [stdout] 8a565be4709ce04229e755f8e7fc4e2b40149739aa0ba71b04100f120229ac52