Dec 04 19:29:54.659 INFO checking dyashkir/rust_hello against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:29:54.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 19:29:55.120 INFO [stdout] 6e011a3c6067505931d7d2f966559b126e0a6adb6366a58ef7369341c2191041
Dec 04 19:29:55.127 INFO running `"docker" "start" "-a" "6e011a3c6067505931d7d2f966559b126e0a6adb6366a58ef7369341c2191041"`
Dec 04 19:29:56.574 INFO [stderr] usermod: no changes
Dec 04 19:29:56.667 INFO [stderr]     Checking hello_world v0.1.0 (/source)
Dec 04 19:29:57.203 INFO [stderr] warning: unused import: `std::io`
Dec 04 19:29:57.203 INFO [stderr]  --> src/main.rs:9:5
Dec 04 19:29:57.203 INFO [stderr]   |
Dec 04 19:29:57.203 INFO [stderr] 9 | use std::io;
Dec 04 19:29:57.203 INFO [stderr]   |     ^^^^^^^
Dec 04 19:29:57.203 INFO [stderr]   |
Dec 04 19:29:57.203 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:29:57.203 INFO [stderr] 
Dec 04 19:29:57.203 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 19:29:57.203 INFO [stderr]   --> src/main.rs:10:5
Dec 04 19:29:57.203 INFO [stderr]    |
Dec 04 19:29:57.203 INFO [stderr] 10 | use std::io::prelude::*;
Dec 04 19:29:57.203 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 19:29:57.203 INFO [stderr] 
Dec 04 19:29:57.203 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 19:29:57.203 INFO [stderr]   --> src/main.rs:11:5
Dec 04 19:29:57.203 INFO [stderr]    |
Dec 04 19:29:57.203 INFO [stderr] 11 | use std::fs::File;
Dec 04 19:29:57.203 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 19:29:57.203 INFO [stderr] 
Dec 04 19:29:57.257 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 19:29:57.257 INFO [stderr]   --> src/main.rs:49:17
Dec 04 19:29:57.257 INFO [stderr]    |
Dec 04 19:29:57.257 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Dec 04 19:29:57.257 INFO [stderr]    |                 ^
Dec 04 19:29:57.257 INFO [stderr]    |
Dec 04 19:29:57.257 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:29:57.257 INFO [stderr]    = note: consider using `_v` instead
Dec 04 19:29:57.257 INFO [stderr] 
Dec 04 19:29:57.257 INFO [stderr] warning: value assigned to `v` is never read
Dec 04 19:29:57.257 INFO [stderr]   --> src/main.rs:50:9
Dec 04 19:29:57.258 INFO [stderr]    |
Dec 04 19:29:57.258 INFO [stderr] 50 |         v = record.unwrap();
Dec 04 19:29:57.258 INFO [stderr]    |         ^
Dec 04 19:29:57.258 INFO [stderr]    |
Dec 04 19:29:57.258 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:29:57.258 INFO [stderr] 
Dec 04 19:29:57.267 INFO [stderr] warning: unused import: `std::io`
Dec 04 19:29:57.267 INFO [stderr]  --> src/main.rs:9:5
Dec 04 19:29:57.267 INFO [stderr]   |
Dec 04 19:29:57.267 INFO [stderr] 9 | use std::io;
Dec 04 19:29:57.267 INFO [stderr]   |     ^^^^^^^
Dec 04 19:29:57.267 INFO [stderr]   |
Dec 04 19:29:57.267 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:29:57.267 INFO [stderr] 
Dec 04 19:29:57.267 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 19:29:57.267 INFO [stderr]   --> src/main.rs:10:5
Dec 04 19:29:57.267 INFO [stderr]    |
Dec 04 19:29:57.267 INFO [stderr] 10 | use std::io::prelude::*;
Dec 04 19:29:57.267 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 19:29:57.267 INFO [stderr] 
Dec 04 19:29:57.267 INFO [stderr] warning: unused import: `std::fs::File`
Dec 04 19:29:57.267 INFO [stderr]   --> src/main.rs:11:5
Dec 04 19:29:57.267 INFO [stderr]    |
Dec 04 19:29:57.267 INFO [stderr] 11 | use std::fs::File;
Dec 04 19:29:57.267 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 19:29:57.267 INFO [stderr] 
Dec 04 19:29:57.331 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 19:29:57.331 INFO [stderr]   --> src/main.rs:49:17
Dec 04 19:29:57.331 INFO [stderr]    |
Dec 04 19:29:57.331 INFO [stderr] 49 |         let mut v = vec![0.0; 1000];
Dec 04 19:29:57.331 INFO [stderr]    |                 ^
Dec 04 19:29:57.331 INFO [stderr]    |
Dec 04 19:29:57.331 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:29:57.331 INFO [stderr]    = note: consider using `_v` instead
Dec 04 19:29:57.331 INFO [stderr] 
Dec 04 19:29:57.331 INFO [stderr] warning: value assigned to `v` is never read
Dec 04 19:29:57.331 INFO [stderr]   --> src/main.rs:50:9
Dec 04 19:29:57.331 INFO [stderr]    |
Dec 04 19:29:57.331 INFO [stderr] 50 |         v = record.unwrap();
Dec 04 19:29:57.331 INFO [stderr]    |         ^
Dec 04 19:29:57.331 INFO [stderr]    |
Dec 04 19:29:57.331 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:29:57.331 INFO [stderr] 
Dec 04 19:29:57.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 04 19:29:57.371 INFO [stderr] su: No module specific data is present
Dec 04 19:29:58.211 INFO running `"docker" "inspect" "6e011a3c6067505931d7d2f966559b126e0a6adb6366a58ef7369341c2191041"`
Dec 04 19:29:58.539 INFO running `"docker" "rm" "-f" "6e011a3c6067505931d7d2f966559b126e0a6adb6366a58ef7369341c2191041"`
Dec 04 19:29:58.842 INFO [stdout] 6e011a3c6067505931d7d2f966559b126e0a6adb6366a58ef7369341c2191041