Dec 12 03:18:18.245 INFO checking DanHatesNumbers/rusty-rocket-client against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:18:18.245 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 03:18:18.612 INFO [stdout] 9fc1ac4dee07d3d6ad1a77f9a4ef5e6b35cef18cf3b09637864b5b3784c917c3
Dec 12 03:18:18.619 INFO running `"docker" "start" "-a" "9fc1ac4dee07d3d6ad1a77f9a4ef5e6b35cef18cf3b09637864b5b3784c917c3"`
Dec 12 03:18:19.902 INFO [stderr] usermod: no changes
Dec 12 03:18:20.155 INFO [stderr]     Checking failure v0.1.1
Dec 12 03:18:21.156 INFO [stderr]     Checking rusty-rocket-client v0.1.0 (/source)
Dec 12 03:18:27.180 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 03:18:27.180 INFO [stderr]  --> src/main.rs:1:1
Dec 12 03:18:27.180 INFO [stderr]   |
Dec 12 03:18:27.180 INFO [stderr] 1 | #[macro_use]
Dec 12 03:18:27.180 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 03:18:27.180 INFO [stderr]   |
Dec 12 03:18:27.180 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:18:27.180 INFO [stderr] 
Dec 12 03:18:27.180 INFO [stderr] warning: unused import: `self`
Dec 12 03:18:27.180 INFO [stderr]  --> src/main.rs:9:15
Dec 12 03:18:27.180 INFO [stderr]   |
Dec 12 03:18:27.180 INFO [stderr] 9 | use std::io::{self, Write};
Dec 12 03:18:27.180 INFO [stderr]   |               ^^^^
Dec 12 03:18:27.180 INFO [stderr] 
Dec 12 03:18:27.311 INFO [stderr] warning: unused import: `Write`
Dec 12 03:18:27.311 INFO [stderr]  --> src/main.rs:9:21
Dec 12 03:18:27.311 INFO [stderr]   |
Dec 12 03:18:27.312 INFO [stderr] 9 | use std::io::{self, Write};
Dec 12 03:18:27.312 INFO [stderr]   |                     ^^^^^
Dec 12 03:18:27.312 INFO [stderr] 
Dec 12 03:18:27.660 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 03:18:27.661 INFO [stderr]  --> src/main.rs:1:1
Dec 12 03:18:27.661 INFO [stderr]   |
Dec 12 03:18:27.661 INFO [stderr] 1 | #[macro_use]
Dec 12 03:18:27.662 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 03:18:27.662 INFO [stderr]   |
Dec 12 03:18:27.662 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:18:27.662 INFO [stderr] 
Dec 12 03:18:27.663 INFO [stderr] warning: unused import: `self`
Dec 12 03:18:27.663 INFO [stderr]  --> src/main.rs:9:15
Dec 12 03:18:27.663 INFO [stderr]   |
Dec 12 03:18:27.663 INFO [stderr] 9 | use std::io::{self, Write};
Dec 12 03:18:27.664 INFO [stderr]   |               ^^^^
Dec 12 03:18:27.664 INFO [stderr] 
Dec 12 03:18:27.735 INFO [stderr] warning: unused import: `Write`
Dec 12 03:18:27.735 INFO [stderr]  --> src/main.rs:9:21
Dec 12 03:18:27.735 INFO [stderr]   |
Dec 12 03:18:27.735 INFO [stderr] 9 | use std::io::{self, Write};
Dec 12 03:18:27.735 INFO [stderr]   |                     ^^^^^
Dec 12 03:18:27.735 INFO [stderr] 
Dec 12 03:18:27.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
Dec 12 03:18:27.841 INFO [stderr] su: No module specific data is present
Dec 12 03:18:29.164 INFO running `"docker" "inspect" "9fc1ac4dee07d3d6ad1a77f9a4ef5e6b35cef18cf3b09637864b5b3784c917c3"`
Dec 12 03:18:29.446 INFO running `"docker" "rm" "-f" "9fc1ac4dee07d3d6ad1a77f9a4ef5e6b35cef18cf3b09637864b5b3784c917c3"`
Dec 12 03:18:29.727 INFO [stdout] 9fc1ac4dee07d3d6ad1a77f9a4ef5e6b35cef18cf3b09637864b5b3784c917c3