Dec 12 03:55:50.669 INFO checking AnimatedRNG/skype-vpn against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:55:50.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 03:55:51.052 INFO [stdout] ae8b339d7bf51e97221090d360132a6310cf690c5e3121a49b69bbebb26b0771
Dec 12 03:55:51.056 INFO running `"docker" "start" "-a" "ae8b339d7bf51e97221090d360132a6310cf690c5e3121a49b69bbebb26b0771"`
Dec 12 03:55:51.921 INFO [stderr] usermod: no changes
Dec 12 03:55:51.968 INFO [stderr]     Checking reed-solomon v0.2.1
Dec 12 03:55:52.169 INFO [stderr]     Checking skype-vpn v0.1.0 (/source)
Dec 12 03:55:52.676 INFO [stderr] warning: unused variable: `server_tx`
Dec 12 03:55:52.676 INFO [stderr]    --> src/main.rs:303:10
Dec 12 03:55:52.676 INFO [stderr]     |
Dec 12 03:55:52.676 INFO [stderr] 303 |     let (server_tx, server_rx) = handle_1_1_udp(server_sock, Some(socket_addr));
Dec 12 03:55:52.676 INFO [stderr]     |          ^^^^^^^^^ help: consider using `_server_tx` instead
Dec 12 03:55:52.676 INFO [stderr]     |
Dec 12 03:55:52.676 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 03:55:52.676 INFO [stderr] 
Dec 12 03:55:52.716 INFO [stderr] warning: constant item is never used: `MAX_UDP_PACKET_LEN`
Dec 12 03:55:52.716 INFO [stderr]   --> src/main.rs:17:1
Dec 12 03:55:52.716 INFO [stderr]    |
Dec 12 03:55:52.716 INFO [stderr] 17 | const MAX_UDP_PACKET_LEN: usize = 576;
Dec 12 03:55:52.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:55:52.716 INFO [stderr]    |
Dec 12 03:55:52.716 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:55:52.716 INFO [stderr] 
Dec 12 03:55:52.820 INFO [stderr] warning: unused variable: `server_tx`
Dec 12 03:55:52.820 INFO [stderr]    --> src/main.rs:303:10
Dec 12 03:55:52.820 INFO [stderr]     |
Dec 12 03:55:52.820 INFO [stderr] 303 |     let (server_tx, server_rx) = handle_1_1_udp(server_sock, Some(socket_addr));
Dec 12 03:55:52.820 INFO [stderr]     |          ^^^^^^^^^ help: consider using `_server_tx` instead
Dec 12 03:55:52.820 INFO [stderr]     |
Dec 12 03:55:52.820 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 03:55:52.820 INFO [stderr] 
Dec 12 03:55:52.874 INFO [stderr] warning: constant item is never used: `MAX_UDP_PACKET_LEN`
Dec 12 03:55:52.874 INFO [stderr]   --> src/main.rs:17:1
Dec 12 03:55:52.874 INFO [stderr]    |
Dec 12 03:55:52.874 INFO [stderr] 17 | const MAX_UDP_PACKET_LEN: usize = 576;
Dec 12 03:55:52.874 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:55:52.874 INFO [stderr]    |
Dec 12 03:55:52.874 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:55:52.874 INFO [stderr] 
Dec 12 03:55:52.910 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 12 03:55:52.913 INFO [stderr] su: No module specific data is present
Dec 12 03:55:53.185 INFO running `"docker" "inspect" "ae8b339d7bf51e97221090d360132a6310cf690c5e3121a49b69bbebb26b0771"`
Dec 12 03:55:53.272 INFO running `"docker" "rm" "-f" "ae8b339d7bf51e97221090d360132a6310cf690c5e3121a49b69bbebb26b0771"`
Dec 12 03:55:53.358 INFO [stdout] ae8b339d7bf51e97221090d360132a6310cf690c5e3121a49b69bbebb26b0771