Dec 19 05:55:10.077 INFO checking vorner/mix against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:55:10.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:55:10.838 INFO [stdout] e9bb1f591fb24602f30027f2233818d53c83afc4f49926e2a2e0bde9d6902ba2
Dec 19 05:55:10.840 INFO running `"docker" "start" "-a" "e9bb1f591fb24602f30027f2233818d53c83afc4f49926e2a2e0bde9d6902ba2"`
Dec 19 05:55:12.940 INFO [stderr]    Compiling proc-macro2 v0.4.19
Dec 19 05:55:12.952 INFO [stderr]     Checking void v1.0.2
Dec 19 05:55:12.952 INFO [stderr]     Checking rand_core v0.2.1
Dec 19 05:55:12.964 INFO [stderr]     Checking libc v0.2.43
Dec 19 05:55:12.976 INFO [stderr]     Checking stable_deref_trait v1.1.1
Dec 19 05:55:12.976 INFO [stderr]     Checking nodrop v0.1.12
Dec 19 05:55:12.992 INFO [stderr]     Checking crossbeam-utils v0.5.0
Dec 19 05:55:12.992 INFO [stderr]     Checking scopeguard v0.3.3
Dec 19 05:55:13.497 INFO [stderr]     Checking winapi v0.2.8
Dec 19 05:55:13.656 INFO [stderr]     Checking cfg-if v0.1.5
Dec 19 05:55:14.488 INFO [stderr]     Checking memoffset v0.2.1
Dec 19 05:55:14.504 INFO [stderr]     Checking byteorder v1.2.6
Dec 19 05:55:14.528 INFO [stderr]     Checking futures v0.1.24
Dec 19 05:55:14.528 INFO [stderr]     Checking slab v0.4.1
Dec 19 05:55:15.140 INFO [stderr]     Checking lazycell v1.2.0
Dec 19 05:55:15.140 INFO [stderr]    Compiling serde v1.0.79
Dec 19 05:55:15.798 INFO [stderr]     Checking serde v0.8.23
Dec 19 05:55:15.924 INFO [stderr]     Checking unicode-width v0.1.5
Dec 19 05:55:16.368 INFO [stderr]     Checking rustc-demangle v0.1.9
Dec 19 05:55:16.371 INFO [stderr]     Checking ucd-util v0.1.1
Dec 19 05:55:17.117 INFO [stderr]     Checking regex-syntax v0.3.9
Dec 19 05:55:18.511 INFO [stderr]     Checking utf8-ranges v0.1.3
Dec 19 05:55:18.521 INFO [stderr]     Checking ansi_term v0.11.0
Dec 19 05:55:19.242 INFO [stderr]     Checking itoa v0.4.3
Dec 19 05:55:19.778 INFO [stderr]     Checking linked-hash-map v0.5.1
Dec 19 05:55:20.634 INFO [stderr]     Checking bitflags v1.0.4
Dec 19 05:55:21.148 INFO [stderr]     Checking vec_map v0.8.1
Dec 19 05:55:21.428 INFO [stderr]     Checking quick-error v1.2.2
Dec 19 05:55:21.504 INFO [stderr]     Checking lazy_static v0.2.11
Dec 19 05:55:21.504 INFO [stderr]     Checking utf8-ranges v1.0.1
Dec 19 05:55:21.664 INFO [stderr]     Checking strsim v0.7.0
Dec 19 05:55:22.492 INFO [stderr]     Checking rust-ini v0.12.2
Dec 19 05:55:22.528 INFO [stderr]     Checking same-file v1.0.3
Dec 19 05:55:22.932 INFO [stderr]     Checking termcolor v1.0.4
Dec 19 05:55:23.625 INFO [stderr]    Compiling memchr v2.1.0
Dec 19 05:55:24.040 INFO [stderr]     Checking memchr v0.1.11
Dec 19 05:55:24.284 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 19 05:55:25.004 INFO [stderr]    Compiling context v2.1.0
Dec 19 05:55:26.116 INFO [stderr]    Compiling rlua v0.15.2
Dec 19 05:55:26.285 INFO [stderr]     Checking log v0.4.5
Dec 19 05:55:26.720 INFO [stderr]     Checking unreachable v1.0.0
Dec 19 05:55:27.398 INFO [stderr]     Checking owning_ref v0.3.3
Dec 19 05:55:28.068 INFO [stderr]     Checking arrayvec v0.4.7
Dec 19 05:55:28.348 INFO [stderr]     Checking tokio-executor v0.1.5
Dec 19 05:55:29.321 INFO [stderr]     Checking serde_test v0.8.23
Dec 19 05:55:29.472 INFO [stderr]     Checking regex-syntax v0.6.2
Dec 19 05:55:30.000 INFO [stderr]     Checking textwrap v0.10.0
Dec 19 05:55:30.772 INFO [stderr]     Checking yaml-rust v0.4.2
Dec 19 05:55:31.376 INFO [stderr]     Checking iovec v0.1.2
Dec 19 05:55:32.168 INFO [stderr]     Checking rand v0.5.5
Dec 19 05:55:32.316 INFO [stderr]     Checking net2 v0.2.33
Dec 19 05:55:32.520 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 05:55:34.380 INFO [stderr]     Checking atty v0.2.11
Dec 19 05:55:35.165 INFO [stderr]     Checking humantime v1.1.1
Dec 19 05:55:35.404 INFO [stderr]     Checking walkdir v2.2.5
Dec 19 05:55:38.088 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 05:55:38.341 INFO [stderr]     Checking smallvec v0.6.5
Dec 19 05:55:41.426 INFO [stderr]     Checking mio v0.6.16
Dec 19 05:55:41.549 INFO [stderr]     Checking num-traits v0.2.6
Dec 19 05:55:41.681 INFO [stderr]     Checking ryu v0.2.6
Dec 19 05:55:42.516 INFO [stderr]     Checking lock_api v0.1.4
Dec 19 05:55:43.760 INFO [stderr]     Checking tokio-timer v0.2.7
Dec 19 05:55:44.800 INFO [stderr]     Checking tokio-current-thread v0.1.3
Dec 19 05:55:48.202 INFO [stderr]     Checking bytes v0.4.10
Dec 19 05:55:54.618 INFO [stderr]     Checking linked-hash-map v0.3.0
Dec 19 05:55:55.001 INFO [stderr]     Checking clap v2.32.0
Dec 19 05:55:56.252 INFO [stderr]     Checking lazy_static v1.1.0
Dec 19 05:55:56.458 INFO [stderr]     Checking kernel32-sys v0.2.2
Dec 19 05:55:57.112 INFO [stderr]     Checking tokio-io v0.1.9
Dec 19 05:55:57.124 INFO [stderr]     Checking backtrace-sys v0.1.24
Dec 19 05:56:03.332 INFO [stderr]     Checking num-traits v0.1.43
Dec 19 05:56:04.450 INFO [stderr]     Checking mio-uds v0.6.7
Dec 19 05:56:04.855 INFO [stderr]    Compiling quote v0.6.8
Dec 19 05:56:08.420 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 19 05:56:09.952 INFO [stderr]     Checking thread_local v0.3.6
Dec 19 05:56:10.985 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 05:56:11.581 INFO [stderr]     Checking backtrace v0.3.9
Dec 19 05:56:11.684 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 05:56:11.959 INFO [stderr]     Checking nom v4.0.0
Dec 19 05:56:13.008 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 19 05:56:14.768 INFO [stderr]     Checking flate2 v1.0.2
Dec 19 05:56:16.104 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 19 05:56:17.765 INFO [stderr]    Compiling syn v0.14.9
Dec 19 05:56:18.748 INFO [stderr]    Compiling syn v0.15.6
Dec 19 05:56:20.056 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 19 05:56:20.096 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 05:56:22.392 INFO [stderr]     Checking regex v1.0.5
Dec 19 05:56:23.412 INFO [stderr]     Checking parking_lot v0.6.4
Dec 19 05:56:25.748 INFO [stderr]     Checking regex v0.1.80
Dec 19 05:56:26.352 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 19 05:56:35.332 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 19 05:56:36.286 INFO [stderr]     Checking once_cell v0.1.6
Dec 19 05:56:40.918 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 19 05:56:41.005 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 05:56:42.464 INFO [stderr]     Checking serde-hjson v0.8.1
Dec 19 05:56:42.903 INFO [stderr]     Checking tokio-uds v0.2.2
Dec 19 05:56:43.608 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 19 05:56:49.608 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 19 05:56:51.755 INFO [stderr]     Checking serde_json v1.0.31
Dec 19 05:56:53.362 INFO [stderr]     Checking toml v0.4.7
Dec 19 05:56:59.562 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 19 05:57:07.652 INFO [stderr]     Checking tokio v0.1.11
Dec 19 05:57:08.516 INFO [stderr]     Checking config v0.9.1
Dec 19 05:57:10.089 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 05:57:10.090 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 05:57:11.560 INFO [stderr]     Checking corona v0.4.0
Dec 19 05:57:21.856 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 05:57:23.356 INFO [stderr]     Checking structopt v0.2.10
Dec 19 05:57:25.112 INFO [stderr]     Checking failure v0.1.2
Dec 19 05:57:38.674 INFO [stderr]     Checking mix v0.1.0 (/opt/crater/workdir)
Dec 19 05:57:39.636 INFO [stderr] warning: method is never used: `new`
Dec 19 05:57:39.636 INFO [stderr]   --> src/mailbox/task.rs:12:5
Dec 19 05:57:39.636 INFO [stderr]    |
Dec 19 05:57:39.636 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Dec 19 05:57:39.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.636 INFO [stderr]    |
Dec 19 05:57:39.636 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:57:39.636 INFO [stderr] 
Dec 19 05:57:39.639 INFO [stderr] warning: method is never used: `into_inner`
Dec 19 05:57:39.639 INFO [stderr]   --> src/mailbox/task.rs:15:5
Dec 19 05:57:39.639 INFO [stderr]    |
Dec 19 05:57:39.639 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Dec 19 05:57:39.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.639 INFO [stderr] 
Dec 19 05:57:39.639 INFO [stderr] warning: method is never used: `perform`
Dec 19 05:57:39.639 INFO [stderr]   --> src/mailbox/task.rs:72:5
Dec 19 05:57:39.639 INFO [stderr]    |
Dec 19 05:57:39.639 INFO [stderr] 72 |     fn perform(self) {
Dec 19 05:57:39.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 05:57:39.639 INFO [stderr] 
Dec 19 05:57:39.639 INFO [stderr] warning: method is never used: `pop`
Dec 19 05:57:39.639 INFO [stderr]   --> src/mailbox/task.rs:91:5
Dec 19 05:57:39.639 INFO [stderr]    |
Dec 19 05:57:39.639 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Dec 19 05:57:39.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.639 INFO [stderr] 
Dec 19 05:57:39.639 INFO [stderr] warning: method is never used: `turn`
Dec 19 05:57:39.639 INFO [stderr]    --> src/mailbox/task.rs:103:5
Dec 19 05:57:39.639 INFO [stderr]     |
Dec 19 05:57:39.639 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Dec 19 05:57:39.639 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.639 INFO [stderr] 
Dec 19 05:57:39.639 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Dec 19 05:57:39.639 INFO [stderr]    --> src/mailbox.rs:151:5
Dec 19 05:57:39.639 INFO [stderr]     |
Dec 19 05:57:39.639 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Dec 19 05:57:39.639 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.639 INFO [stderr] 
Dec 19 05:57:39.797 INFO [stderr] warning: method is never used: `new`
Dec 19 05:57:39.798 INFO [stderr]   --> src/mailbox/task.rs:12:5
Dec 19 05:57:39.798 INFO [stderr]    |
Dec 19 05:57:39.798 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Dec 19 05:57:39.798 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.799 INFO [stderr]    |
Dec 19 05:57:39.799 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:57:39.799 INFO [stderr] 
Dec 19 05:57:39.799 INFO [stderr] warning: method is never used: `into_inner`
Dec 19 05:57:39.799 INFO [stderr]   --> src/mailbox/task.rs:15:5
Dec 19 05:57:39.800 INFO [stderr]    |
Dec 19 05:57:39.800 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Dec 19 05:57:39.800 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.801 INFO [stderr] 
Dec 19 05:57:39.801 INFO [stderr] warning: method is never used: `perform`
Dec 19 05:57:39.801 INFO [stderr]   --> src/mailbox/task.rs:72:5
Dec 19 05:57:39.801 INFO [stderr]    |
Dec 19 05:57:39.801 INFO [stderr] 72 |     fn perform(self) {
Dec 19 05:57:39.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 05:57:39.801 INFO [stderr] 
Dec 19 05:57:39.801 INFO [stderr] warning: method is never used: `pop`
Dec 19 05:57:39.801 INFO [stderr]   --> src/mailbox/task.rs:91:5
Dec 19 05:57:39.801 INFO [stderr]    |
Dec 19 05:57:39.801 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Dec 19 05:57:39.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.801 INFO [stderr] 
Dec 19 05:57:39.801 INFO [stderr] warning: method is never used: `turn`
Dec 19 05:57:39.801 INFO [stderr]    --> src/mailbox/task.rs:103:5
Dec 19 05:57:39.801 INFO [stderr]     |
Dec 19 05:57:39.801 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Dec 19 05:57:39.801 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.801 INFO [stderr] 
Dec 19 05:57:39.801 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Dec 19 05:57:39.801 INFO [stderr]    --> src/mailbox.rs:151:5
Dec 19 05:57:39.801 INFO [stderr]     |
Dec 19 05:57:39.801 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Dec 19 05:57:39.801 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:57:39.801 INFO [stderr] 
Dec 19 05:57:39.877 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 27s
Dec 19 05:57:41.320 INFO running `"docker" "inspect" "e9bb1f591fb24602f30027f2233818d53c83afc4f49926e2a2e0bde9d6902ba2"`
Dec 19 05:57:41.706 INFO running `"docker" "rm" "-f" "e9bb1f591fb24602f30027f2233818d53c83afc4f49926e2a2e0bde9d6902ba2"`
Dec 19 05:57:41.976 INFO [stdout] e9bb1f591fb24602f30027f2233818d53c83afc4f49926e2a2e0bde9d6902ba2