Dec 19 17:43:53.049 INFO checking dsidor/rust-playground against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:43:53.049 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/dsidor/rust-playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:43:53.574 INFO [stdout] 19ae236bb2afb1a227339eae47cbff096c66849cc53a3e842554d08ada03b17a
Dec 19 17:43:53.576 INFO running `"docker" "start" "-a" "19ae236bb2afb1a227339eae47cbff096c66849cc53a3e842554d08ada03b17a"`
Dec 19 17:43:55.413 INFO [stderr]     Checking bitflags v0.1.1
Dec 19 17:43:55.414 INFO [stderr]     Checking bytes v0.2.11
Dec 19 17:43:55.414 INFO [stderr]     Checking winapi v0.1.23
Dec 19 17:43:55.414 INFO [stderr]     Checking nix v0.9.0
Dec 19 17:43:56.286 INFO [stderr]     Checking nix v0.3.10
Dec 19 17:43:59.672 INFO [stderr]     Checking mio v0.4.4
Dec 19 17:44:02.664 INFO [stderr]     Checking ble-advs v0.1.0 (/opt/crater/workdir)
Dec 19 17:44:03.006 INFO [stderr] warning: unused import: `ControlMessage`
Dec 19 17:44:03.006 INFO [stderr]  --> src/main.rs:8:54
Dec 19 17:44:03.006 INFO [stderr]   |
Dec 19 17:44:03.006 INFO [stderr] 8 | use nix::sys::socket::{CmsgSpace, recvmsg, MsgFlags, ControlMessage};
Dec 19 17:44:03.006 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^
Dec 19 17:44:03.006 INFO [stderr]   |
Dec 19 17:44:03.006 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:44:03.006 INFO [stderr] 
Dec 19 17:44:03.132 INFO [stderr] warning: function is never used: `dump`
Dec 19 17:44:03.132 INFO [stderr]   --> src/main.rs:48:1
Dec 19 17:44:03.132 INFO [stderr]    |
Dec 19 17:44:03.132 INFO [stderr] 48 | fn dump<T>(d: &T) {
Dec 19 17:44:03.132 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 17:44:03.132 INFO [stderr]    |
Dec 19 17:44:03.132 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:44:03.132 INFO [stderr] 
Dec 19 17:44:03.132 INFO [stderr] warning: variant is never constructed: `Out`
Dec 19 17:44:03.132 INFO [stderr]    --> src/main.rs:183:5
Dec 19 17:44:03.132 INFO [stderr]     |
Dec 19 17:44:03.132 INFO [stderr] 183 |     Out
Dec 19 17:44:03.132 INFO [stderr]     |     ^^^
Dec 19 17:44:03.132 INFO [stderr] 
Dec 19 17:44:03.260 INFO [stderr] warning: unused import: `ControlMessage`
Dec 19 17:44:03.260 INFO [stderr]  --> src/main.rs:8:54
Dec 19 17:44:03.260 INFO [stderr]   |
Dec 19 17:44:03.260 INFO [stderr] 8 | use nix::sys::socket::{CmsgSpace, recvmsg, MsgFlags, ControlMessage};
Dec 19 17:44:03.260 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^
Dec 19 17:44:03.260 INFO [stderr]   |
Dec 19 17:44:03.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:44:03.260 INFO [stderr] 
Dec 19 17:44:03.323 INFO [stderr] warning: function is never used: `dump`
Dec 19 17:44:03.323 INFO [stderr]   --> src/main.rs:48:1
Dec 19 17:44:03.323 INFO [stderr]    |
Dec 19 17:44:03.323 INFO [stderr] 48 | fn dump<T>(d: &T) {
Dec 19 17:44:03.323 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 17:44:03.323 INFO [stderr]    |
Dec 19 17:44:03.323 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:44:03.323 INFO [stderr] 
Dec 19 17:44:03.323 INFO [stderr] warning: variant is never constructed: `Out`
Dec 19 17:44:03.323 INFO [stderr]    --> src/main.rs:183:5
Dec 19 17:44:03.323 INFO [stderr]     |
Dec 19 17:44:03.323 INFO [stderr] 183 |     Out
Dec 19 17:44:03.323 INFO [stderr]     |     ^^^
Dec 19 17:44:03.323 INFO [stderr] 
Dec 19 17:44:03.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.07s
Dec 19 17:44:03.953 INFO running `"docker" "inspect" "19ae236bb2afb1a227339eae47cbff096c66849cc53a3e842554d08ada03b17a"`
Dec 19 17:44:04.126 INFO running `"docker" "rm" "-f" "19ae236bb2afb1a227339eae47cbff096c66849cc53a3e842554d08ada03b17a"`
Dec 19 17:44:04.284 INFO [stdout] 19ae236bb2afb1a227339eae47cbff096c66849cc53a3e842554d08ada03b17a