Dec 04 19:32:54.359 INFO checking dsidor/rust-playground against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:32:54.359 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 19:32:54.917 INFO [stdout] 490b275c4f714a054ca8b736a5d68f70faf1bbdbf521a7c2f0c59ddbbcc3f44d
Dec 04 19:32:54.919 INFO running `"docker" "start" "-a" "490b275c4f714a054ca8b736a5d68f70faf1bbdbf521a7c2f0c59ddbbcc3f44d"`
Dec 04 19:32:56.262 INFO [stderr] usermod: no changes
Dec 04 19:32:56.391 INFO [stderr]     Checking bytes v0.2.11
Dec 04 19:32:56.391 INFO [stderr]     Checking winapi v0.1.23
Dec 04 19:32:56.391 INFO [stderr]     Checking nix v0.3.10
Dec 04 19:32:56.391 INFO [stderr]     Checking nix v0.9.0
Dec 04 19:33:00.235 INFO [stderr]     Checking mio v0.4.4
Dec 04 19:33:04.467 INFO [stderr]     Checking ble-advs v0.1.0 (/source)
Dec 04 19:33:05.193 INFO [stderr] warning: unused import: `ControlMessage`
Dec 04 19:33:05.198 INFO [stderr]  --> src/main.rs:8:54
Dec 04 19:33:05.199 INFO [stderr]   |
Dec 04 19:33:05.199 INFO [stderr] 8 | use nix::sys::socket::{CmsgSpace, recvmsg, MsgFlags, ControlMessage};
Dec 04 19:33:05.199 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^
Dec 04 19:33:05.199 INFO [stderr]   |
Dec 04 19:33:05.199 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:33:05.199 INFO [stderr] 
Dec 04 19:33:05.288 INFO [stderr] warning: function is never used: `dump`
Dec 04 19:33:05.288 INFO [stderr]   --> src/main.rs:48:1
Dec 04 19:33:05.288 INFO [stderr]    |
Dec 04 19:33:05.289 INFO [stderr] 48 | fn dump<T>(d: &T) {
Dec 04 19:33:05.289 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 04 19:33:05.289 INFO [stderr]    |
Dec 04 19:33:05.289 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 19:33:05.289 INFO [stderr] 
Dec 04 19:33:05.290 INFO [stderr] warning: variant is never constructed: `Out`
Dec 04 19:33:05.290 INFO [stderr]    --> src/main.rs:183:5
Dec 04 19:33:05.291 INFO [stderr]     |
Dec 04 19:33:05.291 INFO [stderr] 183 |     Out
Dec 04 19:33:05.291 INFO [stderr]     |     ^^^
Dec 04 19:33:05.291 INFO [stderr] 
Dec 04 19:33:05.593 INFO [stderr] warning: unused import: `ControlMessage`
Dec 04 19:33:05.593 INFO [stderr]  --> src/main.rs:8:54
Dec 04 19:33:05.593 INFO [stderr]   |
Dec 04 19:33:05.593 INFO [stderr] 8 | use nix::sys::socket::{CmsgSpace, recvmsg, MsgFlags, ControlMessage};
Dec 04 19:33:05.593 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^
Dec 04 19:33:05.593 INFO [stderr]   |
Dec 04 19:33:05.593 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:33:05.593 INFO [stderr] 
Dec 04 19:33:05.681 INFO [stderr] warning: function is never used: `dump`
Dec 04 19:33:05.681 INFO [stderr]   --> src/main.rs:48:1
Dec 04 19:33:05.681 INFO [stderr]    |
Dec 04 19:33:05.681 INFO [stderr] 48 | fn dump<T>(d: &T) {
Dec 04 19:33:05.681 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 04 19:33:05.681 INFO [stderr]    |
Dec 04 19:33:05.682 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 19:33:05.682 INFO [stderr] 
Dec 04 19:33:05.682 INFO [stderr] warning: variant is never constructed: `Out`
Dec 04 19:33:05.682 INFO [stderr]    --> src/main.rs:183:5
Dec 04 19:33:05.682 INFO [stderr]     |
Dec 04 19:33:05.682 INFO [stderr] 183 |     Out
Dec 04 19:33:05.682 INFO [stderr]     |     ^^^
Dec 04 19:33:05.682 INFO [stderr] 
Dec 04 19:33:05.735 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.44s
Dec 04 19:33:05.739 INFO [stderr] su: No module specific data is present
Dec 04 19:33:06.859 INFO running `"docker" "inspect" "490b275c4f714a054ca8b736a5d68f70faf1bbdbf521a7c2f0c59ddbbcc3f44d"`
Dec 04 19:33:07.225 INFO running `"docker" "rm" "-f" "490b275c4f714a054ca8b736a5d68f70faf1bbdbf521a7c2f0c59ddbbcc3f44d"`
Dec 04 19:33:07.699 INFO [stdout] 490b275c4f714a054ca8b736a5d68f70faf1bbdbf521a7c2f0c59ddbbcc3f44d