Dec 17 12:22:38.759 INFO checking vorner/mix against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:22:38.759 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/vorner/mix:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:22:39.126 INFO [stdout] 8407374fd67a95120c243fe1b204e5e3c1940872dc12ec6ce63327130e19de41
Dec 17 12:22:39.132 INFO running `"docker" "start" "-a" "8407374fd67a95120c243fe1b204e5e3c1940872dc12ec6ce63327130e19de41"`
Dec 17 12:22:41.260 INFO [stderr]     Checking void v1.0.2
Dec 17 12:22:41.260 INFO [stderr]     Checking rand_core v0.2.1
Dec 17 12:22:41.260 INFO [stderr]     Checking nodrop v0.1.12
Dec 17 12:22:41.272 INFO [stderr]     Checking stable_deref_trait v1.1.1
Dec 17 12:22:41.272 INFO [stderr]     Checking libc v0.2.43
Dec 17 12:22:41.272 INFO [stderr]     Checking scopeguard v0.3.3
Dec 17 12:22:41.272 INFO [stderr]     Checking winapi v0.2.8
Dec 17 12:22:41.272 INFO [stderr]     Checking memoffset v0.2.1
Dec 17 12:22:41.701 INFO [stderr]     Checking crossbeam-utils v0.5.0
Dec 17 12:22:41.771 INFO [stderr]     Checking cfg-if v0.1.5
Dec 17 12:22:41.775 INFO [stderr]     Checking byteorder v1.2.6
Dec 17 12:22:42.216 INFO [stderr]     Checking slab v0.4.1
Dec 17 12:22:42.240 INFO [stderr]     Checking futures v0.1.24
Dec 17 12:22:42.553 INFO [stderr]     Checking lazycell v1.2.0
Dec 17 12:22:42.924 INFO [stderr]     Checking serde v0.8.23
Dec 17 12:22:43.480 INFO [stderr]     Checking regex-syntax v0.3.9
Dec 17 12:22:43.560 INFO [stderr]     Checking rustc-demangle v0.1.9
Dec 17 12:22:44.040 INFO [stderr]     Checking ucd-util v0.1.1
Dec 17 12:22:44.204 INFO [stderr]     Checking unicode-width v0.1.5
Dec 17 12:22:44.625 INFO [stderr]     Checking utf8-ranges v0.1.3
Dec 17 12:22:44.822 INFO [stderr]     Checking utf8-ranges v1.0.1
Dec 17 12:22:45.596 INFO [stderr]     Checking bitflags v1.0.4
Dec 17 12:22:45.820 INFO [stderr]     Checking lazy_static v0.2.11
Dec 17 12:22:45.843 INFO [stderr]     Checking vec_map v0.8.1
Dec 17 12:22:46.048 INFO [stderr]     Checking ansi_term v0.11.0
Dec 17 12:22:46.132 INFO [stderr]     Checking quick-error v1.2.2
Dec 17 12:22:46.682 INFO [stderr]     Checking strsim v0.7.0
Dec 17 12:22:47.096 INFO [stderr]     Checking linked-hash-map v0.5.1
Dec 17 12:22:47.584 INFO [stderr]     Checking itoa v0.4.3
Dec 17 12:22:47.852 INFO [stderr]     Checking rust-ini v0.12.2
Dec 17 12:22:48.400 INFO [stderr]     Checking termcolor v1.0.4
Dec 17 12:22:48.532 INFO [stderr]     Checking same-file v1.0.3
Dec 17 12:22:48.728 INFO [stderr]     Checking arrayvec v0.4.7
Dec 17 12:22:49.608 INFO [stderr]     Checking unreachable v1.0.0
Dec 17 12:22:50.197 INFO [stderr]    Compiling context v2.1.0
Dec 17 12:22:50.329 INFO [stderr]    Compiling rlua v0.15.2
Dec 17 12:22:50.558 INFO [stderr]     Checking owning_ref v0.3.3
Dec 17 12:22:52.180 INFO [stderr]     Checking log v0.4.5
Dec 17 12:22:52.180 INFO [stderr]     Checking tokio-executor v0.1.5
Dec 17 12:22:53.641 INFO [stderr]     Checking serde_test v0.8.23
Dec 17 12:22:53.646 INFO [stderr]     Checking textwrap v0.10.0
Dec 17 12:22:53.768 INFO [stderr]     Checking regex-syntax v0.6.2
Dec 17 12:22:53.861 INFO [stderr]     Checking humantime v1.1.1
Dec 17 12:22:54.005 INFO [stderr]     Checking iovec v0.1.2
Dec 17 12:22:54.592 INFO [stderr]     Checking rand v0.5.5
Dec 17 12:22:54.824 INFO [stderr]     Checking net2 v0.2.33
Dec 17 12:22:54.845 INFO [stderr]     Checking memchr v0.1.11
Dec 17 12:22:55.964 INFO [stderr]     Checking num_cpus v1.8.0
Dec 17 12:22:56.082 INFO [stderr]     Checking atty v0.2.11
Dec 17 12:22:56.449 INFO [stderr]     Checking yaml-rust v0.4.2
Dec 17 12:22:56.576 INFO [stderr]     Checking walkdir v2.2.5
Dec 17 12:22:57.272 INFO [stderr]     Checking smallvec v0.6.5
Dec 17 12:22:58.725 INFO [stderr]     Checking num-traits v0.2.6
Dec 17 12:22:59.128 INFO [stderr]     Checking lock_api v0.1.4
Dec 17 12:22:59.293 INFO [stderr]     Checking tokio-current-thread v0.1.3
Dec 17 12:23:00.084 INFO [stderr]     Checking tokio-timer v0.2.7
Dec 17 12:23:00.196 INFO [stderr]     Checking serde v1.0.79
Dec 17 12:23:01.554 INFO [stderr]     Checking ryu v0.2.6
Dec 17 12:23:03.157 INFO [stderr]     Checking bytes v0.4.10
Dec 17 12:23:03.288 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 17 12:23:03.353 INFO [stderr]     Checking clap v2.32.0
Dec 17 12:23:05.618 INFO [stderr]     Checking lazy_static v1.1.0
Dec 17 12:23:06.381 INFO [stderr]     Checking memchr v2.1.0
Dec 17 12:23:06.681 INFO [stderr]     Checking kernel32-sys v0.2.2
Dec 17 12:23:07.442 INFO [stderr]     Checking tokio-io v0.1.9
Dec 17 12:23:08.800 INFO [stderr]     Checking mio v0.6.16
Dec 17 12:23:09.004 INFO [stderr]     Checking backtrace-sys v0.1.24
Dec 17 12:23:09.612 INFO [stderr]     Checking miniz-sys v0.1.10
Dec 17 12:23:10.624 INFO [stderr]     Checking linked-hash-map v0.3.0
Dec 17 12:23:12.941 INFO [stderr]     Checking toml v0.4.7
Dec 17 12:23:13.045 INFO [stderr]     Checking serde_json v1.0.31
Dec 17 12:23:16.781 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 17 12:23:20.914 INFO [stderr]     Checking thread_local v0.3.6
Dec 17 12:23:22.876 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 12:23:23.120 INFO [stderr]    Compiling syn v0.15.6
Dec 17 12:23:23.192 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 17 12:23:23.688 INFO [stderr]     Checking nom v4.0.0
Dec 17 12:23:23.788 INFO [stderr]     Checking num-traits v0.1.43
Dec 17 12:23:23.952 INFO [stderr]     Checking backtrace v0.3.9
Dec 17 12:23:24.600 INFO [stderr]     Checking flate2 v1.0.2
Dec 17 12:23:29.465 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 17 12:23:29.738 INFO [stderr]     Checking mio-uds v0.6.7
Dec 17 12:23:30.412 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 17 12:23:30.544 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 17 12:23:31.780 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 12:23:31.816 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 12:23:32.833 INFO [stderr]     Checking regex v1.0.5
Dec 17 12:23:33.664 INFO [stderr]     Checking parking_lot v0.6.4
Dec 17 12:23:34.144 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 17 12:23:35.736 INFO [stderr]     Checking regex v0.1.80
Dec 17 12:23:41.532 INFO [stderr]     Checking serde-hjson v0.8.1
Dec 17 12:23:51.661 INFO [stderr]     Checking failure v0.1.2
Dec 17 12:23:52.141 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 17 12:23:52.418 INFO [stderr]     Checking once_cell v0.1.6
Dec 17 12:23:53.362 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 17 12:23:54.178 INFO [stderr]     Checking env_logger v0.5.13
Dec 17 12:23:54.956 INFO [stderr]     Checking structopt v0.2.10
Dec 17 12:23:56.504 INFO [stderr]     Checking config v0.9.1
Dec 17 12:23:57.112 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 17 12:23:58.464 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 17 12:23:58.549 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 17 12:23:59.204 INFO [stderr]     Checking tokio-uds v0.2.2
Dec 17 12:24:01.960 INFO [stderr]     Checking tokio v0.1.11
Dec 17 12:24:04.340 INFO [stderr]     Checking corona v0.4.0
Dec 17 12:24:21.316 INFO [stderr]     Checking mix v0.1.0 (/opt/crater/workdir)
Dec 17 12:24:22.756 INFO [stderr] warning: method is never used: `new`
Dec 17 12:24:22.756 INFO [stderr]   --> src/mailbox/task.rs:12:5
Dec 17 12:24:22.756 INFO [stderr]    |
Dec 17 12:24:22.756 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Dec 17 12:24:22.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.757 INFO [stderr]    |
Dec 17 12:24:22.757 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:24:22.757 INFO [stderr] 
Dec 17 12:24:22.757 INFO [stderr] warning: method is never used: `into_inner`
Dec 17 12:24:22.757 INFO [stderr]   --> src/mailbox/task.rs:15:5
Dec 17 12:24:22.757 INFO [stderr]    |
Dec 17 12:24:22.757 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Dec 17 12:24:22.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.757 INFO [stderr] 
Dec 17 12:24:22.757 INFO [stderr] warning: method is never used: `perform`
Dec 17 12:24:22.757 INFO [stderr]   --> src/mailbox/task.rs:72:5
Dec 17 12:24:22.757 INFO [stderr]    |
Dec 17 12:24:22.758 INFO [stderr] 72 |     fn perform(self) {
Dec 17 12:24:22.758 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 12:24:22.758 INFO [stderr] 
Dec 17 12:24:22.758 INFO [stderr] warning: method is never used: `pop`
Dec 17 12:24:22.758 INFO [stderr]   --> src/mailbox/task.rs:91:5
Dec 17 12:24:22.758 INFO [stderr]    |
Dec 17 12:24:22.758 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Dec 17 12:24:22.758 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.758 INFO [stderr] 
Dec 17 12:24:22.758 INFO [stderr] warning: method is never used: `turn`
Dec 17 12:24:22.758 INFO [stderr]    --> src/mailbox/task.rs:103:5
Dec 17 12:24:22.759 INFO [stderr]     |
Dec 17 12:24:22.759 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Dec 17 12:24:22.759 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.759 INFO [stderr] 
Dec 17 12:24:22.759 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Dec 17 12:24:22.759 INFO [stderr]    --> src/mailbox.rs:151:5
Dec 17 12:24:22.760 INFO [stderr]     |
Dec 17 12:24:22.760 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Dec 17 12:24:22.760 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.760 INFO [stderr] 
Dec 17 12:24:22.892 INFO [stderr] warning: method is never used: `new`
Dec 17 12:24:22.892 INFO [stderr]   --> src/mailbox/task.rs:12:5
Dec 17 12:24:22.892 INFO [stderr]    |
Dec 17 12:24:22.892 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Dec 17 12:24:22.893 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.893 INFO [stderr]    |
Dec 17 12:24:22.893 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:24:22.893 INFO [stderr] 
Dec 17 12:24:22.893 INFO [stderr] warning: method is never used: `into_inner`
Dec 17 12:24:22.893 INFO [stderr]   --> src/mailbox/task.rs:15:5
Dec 17 12:24:22.893 INFO [stderr]    |
Dec 17 12:24:22.894 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Dec 17 12:24:22.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.894 INFO [stderr] 
Dec 17 12:24:22.894 INFO [stderr] warning: method is never used: `perform`
Dec 17 12:24:22.894 INFO [stderr]   --> src/mailbox/task.rs:72:5
Dec 17 12:24:22.894 INFO [stderr]    |
Dec 17 12:24:22.895 INFO [stderr] 72 |     fn perform(self) {
Dec 17 12:24:22.895 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 12:24:22.895 INFO [stderr] 
Dec 17 12:24:22.895 INFO [stderr] warning: method is never used: `pop`
Dec 17 12:24:22.895 INFO [stderr]   --> src/mailbox/task.rs:91:5
Dec 17 12:24:22.895 INFO [stderr]    |
Dec 17 12:24:22.896 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Dec 17 12:24:22.896 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.896 INFO [stderr] 
Dec 17 12:24:22.896 INFO [stderr] warning: method is never used: `turn`
Dec 17 12:24:22.896 INFO [stderr]    --> src/mailbox/task.rs:103:5
Dec 17 12:24:22.896 INFO [stderr]     |
Dec 17 12:24:22.896 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Dec 17 12:24:22.897 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.897 INFO [stderr] 
Dec 17 12:24:22.897 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Dec 17 12:24:22.897 INFO [stderr]    --> src/mailbox.rs:151:5
Dec 17 12:24:22.897 INFO [stderr]     |
Dec 17 12:24:22.897 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Dec 17 12:24:22.898 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:24:22.898 INFO [stderr] 
Dec 17 12:24:22.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
Dec 17 12:24:24.638 INFO running `"docker" "inspect" "8407374fd67a95120c243fe1b204e5e3c1940872dc12ec6ce63327130e19de41"`
Dec 17 12:24:25.000 INFO running `"docker" "rm" "-f" "8407374fd67a95120c243fe1b204e5e3c1940872dc12ec6ce63327130e19de41"`
Dec 17 12:24:25.284 INFO [stdout] 8407374fd67a95120c243fe1b204e5e3c1940872dc12ec6ce63327130e19de41