Dec 04 17:02:50.988 INFO checking jac32/snake against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:02:50.988 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 17:02:51.451 INFO [stdout] bf45f0c0487ffe9e6e0e0154ab376d4002041d852c7931cf9d62bd0afaa76085
Dec 04 17:02:51.453 INFO running `"docker" "start" "-a" "bf45f0c0487ffe9e6e0e0154ab376d4002041d852c7931cf9d62bd0afaa76085"`
Dec 04 17:02:53.027 INFO [stderr] usermod: no changes
Dec 04 17:02:53.094 INFO [stderr]     Checking termion v1.1.3
Dec 04 17:02:54.047 INFO [stderr]     Checking snake v0.2.0 (/source)
Dec 04 17:02:54.687 INFO [stderr] warning: unused import: `termion::input::TermRead`
Dec 04 17:02:54.687 INFO [stderr]  --> src/main.rs:5:5
Dec 04 17:02:54.687 INFO [stderr]   |
Dec 04 17:02:54.687 INFO [stderr] 5 | use termion::input::TermRead;
Dec 04 17:02:54.687 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:02:54.687 INFO [stderr]   |
Dec 04 17:02:54.687 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 17:02:54.687 INFO [stderr] 
Dec 04 17:02:54.759 INFO [stderr] warning: unused import: `termion::input::TermRead`
Dec 04 17:02:54.759 INFO [stderr]  --> src/main.rs:5:5
Dec 04 17:02:54.759 INFO [stderr]   |
Dec 04 17:02:54.759 INFO [stderr] 5 | use termion::input::TermRead;
Dec 04 17:02:54.759 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:02:54.759 INFO [stderr]   |
Dec 04 17:02:54.759 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 17:02:54.759 INFO [stderr] 
Dec 04 17:02:54.888 INFO [stderr] warning: unused import: `std::io::Read`
Dec 04 17:02:54.888 INFO [stderr]   --> src/main.rs:15:5
Dec 04 17:02:54.888 INFO [stderr]    |
Dec 04 17:02:54.888 INFO [stderr] 15 | use std::io::Read;
Dec 04 17:02:54.888 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 17:02:54.888 INFO [stderr] 
Dec 04 17:02:54.950 INFO [stderr] warning: field is never used: `output_writer`
Dec 04 17:02:54.950 INFO [stderr]   --> src/main.rs:92:5
Dec 04 17:02:54.950 INFO [stderr]    |
Dec 04 17:02:54.950 INFO [stderr] 92 |     output_writer: W,
Dec 04 17:02:54.950 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 17:02:54.950 INFO [stderr]    |
Dec 04 17:02:54.950 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:02:54.950 INFO [stderr] 
Dec 04 17:02:54.956 INFO [stderr] warning: unused import: `std::io::Read`
Dec 04 17:02:54.956 INFO [stderr]   --> src/main.rs:15:5
Dec 04 17:02:54.956 INFO [stderr]    |
Dec 04 17:02:54.956 INFO [stderr] 15 | use std::io::Read;
Dec 04 17:02:54.956 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 17:02:54.956 INFO [stderr] 
Dec 04 17:02:55.007 INFO [stderr] warning: field is never used: `output_writer`
Dec 04 17:02:55.007 INFO [stderr]   --> src/main.rs:92:5
Dec 04 17:02:55.007 INFO [stderr]    |
Dec 04 17:02:55.007 INFO [stderr] 92 |     output_writer: W,
Dec 04 17:02:55.007 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 17:02:55.007 INFO [stderr]    |
Dec 04 17:02:55.007 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:02:55.007 INFO [stderr] 
Dec 04 17:02:55.038 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 04 17:02:55.039 INFO [stderr] su: No module specific data is present
Dec 04 17:02:56.333 INFO running `"docker" "inspect" "bf45f0c0487ffe9e6e0e0154ab376d4002041d852c7931cf9d62bd0afaa76085"`
Dec 04 17:02:56.597 INFO running `"docker" "rm" "-f" "bf45f0c0487ffe9e6e0e0154ab376d4002041d852c7931cf9d62bd0afaa76085"`
Dec 04 17:02:56.975 INFO [stdout] bf45f0c0487ffe9e6e0e0154ab376d4002041d852c7931cf9d62bd0afaa76085