Dec 11 19:19:52.176 INFO checking dyashkir/rust_hello against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:19:52.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 19:19:52.532 INFO [stdout] 906a28549544bab2d20780f8604bd5b86c977cc848767fff2e7bee1691998ff3
Dec 11 19:19:52.534 INFO running `"docker" "start" "-a" "906a28549544bab2d20780f8604bd5b86c977cc848767fff2e7bee1691998ff3"`
Dec 11 19:19:53.723 INFO [stderr] usermod: no changes
Dec 11 19:19:53.812 INFO [stderr]     Checking csv v0.15.0
Dec 11 19:19:54.794 INFO [stderr]     Checking hello_world v0.1.0 (/source)
Dec 11 19:19:55.260 INFO [stderr] warning: unused import: `std::io`
Dec 11 19:19:55.260 INFO [stderr]  --> src/main.rs:9:5
Dec 11 19:19:55.260 INFO [stderr]   |
Dec 11 19:19:55.260 INFO [stderr] 9 | use std::io;
Dec 11 19:19:55.260 INFO [stderr]   |     ^^^^^^^
Dec 11 19:19:55.260 INFO [stderr]   |
Dec 11 19:19:55.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:19:55.260 INFO [stderr] 
Dec 11 19:19:55.260 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 19:19:55.260 INFO [stderr]   --> src/main.rs:10:5
Dec 11 19:19:55.260 INFO [stderr]    |
Dec 11 19:19:55.260 INFO [stderr] 10 | use std::io::prelude::*;
Dec 11 19:19:55.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 19:19:55.260 INFO [stderr] 
Dec 11 19:19:55.260 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 19:19:55.260 INFO [stderr]   --> src/main.rs:11:5
Dec 11 19:19:55.260 INFO [stderr]    |
Dec 11 19:19:55.260 INFO [stderr] 11 | use std::fs::File;
Dec 11 19:19:55.260 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 19:19:55.260 INFO [stderr] 
Dec 11 19:19:55.296 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 11 19:19:55.296 INFO [stderr]   --> src/main.rs:49:17
Dec 11 19:19:55.296 INFO [stderr]    |
Dec 11 19:19:55.296 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Dec 11 19:19:55.296 INFO [stderr]    |                 ^
Dec 11 19:19:55.296 INFO [stderr]    |
Dec 11 19:19:55.296 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 19:19:55.296 INFO [stderr]    = note: consider using `_v` instead
Dec 11 19:19:55.296 INFO [stderr] 
Dec 11 19:19:55.296 INFO [stderr] warning: value assigned to `v` is never read
Dec 11 19:19:55.296 INFO [stderr]   --> src/main.rs:50:9
Dec 11 19:19:55.296 INFO [stderr]    |
Dec 11 19:19:55.296 INFO [stderr] 50 |         v = record.unwrap();
Dec 11 19:19:55.296 INFO [stderr]    |         ^
Dec 11 19:19:55.296 INFO [stderr]    |
Dec 11 19:19:55.296 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 19:19:55.296 INFO [stderr] 
Dec 11 19:19:55.452 INFO [stderr] warning: unused import: `std::io`
Dec 11 19:19:55.452 INFO [stderr]  --> src/main.rs:9:5
Dec 11 19:19:55.452 INFO [stderr]   |
Dec 11 19:19:55.452 INFO [stderr] 9 | use std::io;
Dec 11 19:19:55.452 INFO [stderr]   |     ^^^^^^^
Dec 11 19:19:55.452 INFO [stderr]   |
Dec 11 19:19:55.453 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:19:55.453 INFO [stderr] 
Dec 11 19:19:55.453 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 19:19:55.453 INFO [stderr]   --> src/main.rs:10:5
Dec 11 19:19:55.453 INFO [stderr]    |
Dec 11 19:19:55.453 INFO [stderr] 10 | use std::io::prelude::*;
Dec 11 19:19:55.453 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 19:19:55.453 INFO [stderr] 
Dec 11 19:19:55.453 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 19:19:55.453 INFO [stderr]   --> src/main.rs:11:5
Dec 11 19:19:55.453 INFO [stderr]    |
Dec 11 19:19:55.453 INFO [stderr] 11 | use std::fs::File;
Dec 11 19:19:55.453 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 19:19:55.453 INFO [stderr] 
Dec 11 19:19:55.503 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 11 19:19:55.503 INFO [stderr]   --> src/main.rs:49:17
Dec 11 19:19:55.503 INFO [stderr]    |
Dec 11 19:19:55.503 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Dec 11 19:19:55.503 INFO [stderr]    |                 ^
Dec 11 19:19:55.503 INFO [stderr]    |
Dec 11 19:19:55.503 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 19:19:55.503 INFO [stderr]    = note: consider using `_v` instead
Dec 11 19:19:55.503 INFO [stderr] 
Dec 11 19:19:55.503 INFO [stderr] warning: value assigned to `v` is never read
Dec 11 19:19:55.503 INFO [stderr]   --> src/main.rs:50:9
Dec 11 19:19:55.503 INFO [stderr]    |
Dec 11 19:19:55.503 INFO [stderr] 50 |         v = record.unwrap();
Dec 11 19:19:55.503 INFO [stderr]    |         ^
Dec 11 19:19:55.503 INFO [stderr]    |
Dec 11 19:19:55.503 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 19:19:55.503 INFO [stderr] 
Dec 11 19:19:55.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 11 19:19:55.552 INFO [stderr] su: No module specific data is present
Dec 11 19:19:56.155 INFO running `"docker" "inspect" "906a28549544bab2d20780f8604bd5b86c977cc848767fff2e7bee1691998ff3"`
Dec 11 19:19:56.467 INFO running `"docker" "rm" "-f" "906a28549544bab2d20780f8604bd5b86c977cc848767fff2e7bee1691998ff3"`
Dec 11 19:19:56.823 INFO [stdout] 906a28549544bab2d20780f8604bd5b86c977cc848767fff2e7bee1691998ff3