Nov 29 15:24:17.277 INFO checking vorner/mix against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 15:24:17.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 15:24:17.740 INFO [stdout] 8b4b77032e0be41d78dd058964e70cd80ecc99bc65ecd7dd2b5c6719a4ebf7df
Nov 29 15:24:17.748 INFO running `"docker" "start" "-a" "8b4b77032e0be41d78dd058964e70cd80ecc99bc65ecd7dd2b5c6719a4ebf7df"`
Nov 29 15:24:19.771 INFO [stderr] usermod: no changes
Nov 29 15:24:20.184 INFO [stderr]     Checking void v1.0.2
Nov 29 15:24:20.196 INFO [stderr]    Compiling proc-macro2 v0.4.19
Nov 29 15:24:20.196 INFO [stderr]     Checking libc v0.2.43
Nov 29 15:24:20.196 INFO [stderr]     Checking rand_core v0.2.1
Nov 29 15:24:20.196 INFO [stderr]     Checking nodrop v0.1.12
Nov 29 15:24:20.220 INFO [stderr]     Checking stable_deref_trait v1.1.1
Nov 29 15:24:20.220 INFO [stderr]     Checking crossbeam-utils v0.5.0
Nov 29 15:24:20.224 INFO [stderr]     Checking cfg-if v0.1.5
Nov 29 15:24:20.640 INFO [stderr]     Checking winapi v0.2.8
Nov 29 15:24:20.817 INFO [stderr]     Checking scopeguard v0.3.3
Nov 29 15:24:20.828 INFO [stderr]     Checking byteorder v1.2.6
Nov 29 15:24:21.033 INFO [stderr]     Checking memoffset v0.2.1
Nov 29 15:24:21.445 INFO [stderr]     Checking slab v0.4.1
Nov 29 15:24:21.722 INFO [stderr]     Checking lazycell v1.2.0
Nov 29 15:24:22.114 INFO [stderr]     Checking futures v0.1.24
Nov 29 15:24:23.434 INFO [stderr]     Checking serde v0.8.23
Nov 29 15:24:23.442 INFO [stderr]     Checking utf8-ranges v0.1.3
Nov 29 15:24:23.444 INFO [stderr]     Checking rustc-demangle v0.1.9
Nov 29 15:24:24.165 INFO [stderr]     Checking ucd-util v0.1.1
Nov 29 15:24:24.734 INFO [stderr]     Checking regex-syntax v0.3.9
Nov 29 15:24:24.779 INFO [stderr]     Checking unicode-width v0.1.5
Nov 29 15:24:25.770 INFO [stderr]     Checking ansi_term v0.11.0
Nov 29 15:24:25.804 INFO [stderr]     Checking strsim v0.7.0
Nov 29 15:24:25.853 INFO [stderr]     Checking vec_map v0.8.1
Nov 29 15:24:26.065 INFO [stderr]     Checking quick-error v1.2.2
Nov 29 15:24:26.958 INFO [stderr]     Checking lazy_static v0.2.11
Nov 29 15:24:27.457 INFO [stderr]     Checking utf8-ranges v1.0.1
Nov 29 15:24:27.524 INFO [stderr]     Checking itoa v0.4.3
Nov 29 15:24:28.000 INFO [stderr]     Checking bitflags v1.0.4
Nov 29 15:24:28.068 INFO [stderr]     Checking linked-hash-map v0.5.1
Nov 29 15:24:28.704 INFO [stderr]     Checking rust-ini v0.12.2
Nov 29 15:24:28.912 INFO [stderr]     Checking same-file v1.0.3
Nov 29 15:24:29.150 INFO [stderr]     Checking termcolor v1.0.4
Nov 29 15:24:30.364 INFO [stderr]     Checking memchr v0.1.11
Nov 29 15:24:30.425 INFO [stderr]    Compiling context v2.1.0
Nov 29 15:24:31.432 INFO [stderr]    Compiling rlua v0.15.2
Nov 29 15:24:31.456 INFO [stderr]     Checking owning_ref v0.3.3
Nov 29 15:24:32.344 INFO [stderr]     Checking log v0.4.5
Nov 29 15:24:32.491 INFO [stderr]     Checking unreachable v1.0.0
Nov 29 15:24:33.281 INFO [stderr]     Checking arrayvec v0.4.7
Nov 29 15:24:34.096 INFO [stderr]     Checking textwrap v0.10.0
Nov 29 15:24:34.354 INFO [stderr]     Checking regex-syntax v0.6.2
Nov 29 15:24:34.638 INFO [stderr]     Checking humantime v1.1.1
Nov 29 15:24:35.928 INFO [stderr]     Checking rand v0.5.5
Nov 29 15:24:36.176 INFO [stderr]     Checking iovec v0.1.2
Nov 29 15:24:36.350 INFO [stderr]     Checking net2 v0.2.33
Nov 29 15:24:37.618 INFO [stderr]     Checking num_cpus v1.8.0
Nov 29 15:24:38.485 INFO [stderr]     Checking atty v0.2.11
Nov 29 15:24:39.154 INFO [stderr]     Checking yaml-rust v0.4.2
Nov 29 15:24:39.311 INFO [stderr]     Checking walkdir v2.2.5
Nov 29 15:24:39.452 INFO [stderr]     Checking aho-corasick v0.5.3
Nov 29 15:24:41.749 INFO [stderr]     Checking smallvec v0.6.5
Nov 29 15:24:42.778 INFO [stderr]     Checking lock_api v0.1.4
Nov 29 15:24:43.477 INFO [stderr]     Checking num-traits v0.2.6
Nov 29 15:24:43.530 INFO [stderr]     Checking ryu v0.2.6
Nov 29 15:24:44.908 INFO [stderr]     Checking serde v1.0.79
Nov 29 15:24:46.199 INFO [stderr]     Checking bytes v0.4.10
Nov 29 15:24:47.964 INFO [stderr]     Checking lazy_static v1.1.0
Nov 29 15:24:48.659 INFO [stderr]     Checking memchr v2.1.0
Nov 29 15:24:49.206 INFO [stderr]     Checking kernel32-sys v0.2.2
Nov 29 15:24:50.116 INFO [stderr]     Checking clap v2.32.0
Nov 29 15:24:58.384 INFO [stderr]     Checking backtrace-sys v0.1.24
Nov 29 15:24:58.562 INFO [stderr]     Checking mio v0.6.16
Nov 29 15:24:58.700 INFO [stderr]     Checking miniz-sys v0.1.10
Nov 29 15:24:58.771 INFO [stderr]     Checking tokio-executor v0.1.5
Nov 29 15:24:59.228 INFO [stderr]     Checking num-traits v0.1.43
Nov 29 15:24:59.716 INFO [stderr]     Checking toml v0.4.7
Nov 29 15:24:59.908 INFO [stderr]     Checking serde_json v1.0.31
Nov 29 15:25:02.456 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Nov 29 15:25:03.414 INFO [stderr]     Checking thread_local v0.3.6
Nov 29 15:25:03.854 INFO [stderr]     Checking nom v4.0.0
Nov 29 15:25:05.501 INFO [stderr]     Checking tokio-io v0.1.9
Nov 29 15:25:06.164 INFO [stderr]     Checking thread-id v2.0.0
Nov 29 15:25:07.932 INFO [stderr]     Checking aho-corasick v0.6.8
Nov 29 15:25:09.144 INFO [stderr]     Checking serde_test v0.8.23
Nov 29 15:25:11.676 INFO [stderr]     Checking backtrace v0.3.9
Nov 29 15:25:12.172 INFO [stderr]     Checking flate2 v1.0.2
Nov 29 15:25:13.940 INFO [stderr]    Compiling quote v0.6.8
Nov 29 15:25:14.308 INFO [stderr]     Checking tokio-current-thread v0.1.3
Nov 29 15:25:15.108 INFO [stderr]     Checking tokio-timer v0.2.7
Nov 29 15:25:15.988 INFO [stderr]     Checking parking_lot_core v0.3.1
Nov 29 15:25:18.048 INFO [stderr]     Checking crossbeam-deque v0.6.1
Nov 29 15:25:18.168 INFO [stderr]     Checking thread_local v0.2.7
Nov 29 15:25:20.680 INFO [stderr]     Checking mio-uds v0.6.7
Nov 29 15:25:20.785 INFO [stderr]     Checking regex v1.0.5
Nov 29 15:25:20.805 INFO [stderr]     Checking tokio-codec v0.1.1
Nov 29 15:25:20.840 INFO [stderr]     Checking linked-hash-map v0.3.0
Nov 29 15:25:21.012 INFO [stderr]     Checking parking_lot v0.6.4
Nov 29 15:25:21.012 INFO [stderr]     Checking tokio-threadpool v0.1.7
Nov 29 15:25:21.152 INFO [stderr]     Checking regex v0.1.80
Nov 29 15:25:23.282 INFO [stderr]    Compiling syn v0.14.9
Nov 29 15:25:23.360 INFO [stderr]    Compiling syn v0.15.6
Nov 29 15:25:25.329 INFO [stderr]     Checking tokio-reactor v0.1.6
Nov 29 15:25:29.014 INFO [stderr]     Checking once_cell v0.1.6
Nov 29 15:25:30.728 INFO [stderr]     Checking tokio-fs v0.1.3
Nov 29 15:25:31.684 INFO [stderr]     Checking env_logger v0.5.13
Nov 29 15:25:32.062 INFO [stderr]     Checking tokio-udp v0.1.2
Nov 29 15:25:33.051 INFO [stderr]     Checking tokio-uds v0.2.2
Nov 29 15:25:33.442 INFO [stderr]     Checking tokio-tcp v0.1.2
Nov 29 15:25:34.716 INFO [stderr]     Checking serde-hjson v0.8.1
Nov 29 15:25:38.496 INFO [stderr]     Checking tokio v0.1.11
Nov 29 15:25:43.512 INFO [stderr]     Checking corona v0.4.0
Nov 29 15:25:46.438 INFO [stderr]     Checking config v0.9.1
Nov 29 15:25:58.844 INFO [stderr]    Compiling serde_derive v1.0.79
Nov 29 15:26:06.610 INFO [stderr]    Compiling synstructure v0.9.0
Nov 29 15:26:06.617 INFO [stderr]    Compiling structopt-derive v0.2.10
Nov 29 15:26:17.901 INFO [stderr]    Compiling failure_derive v0.1.2
Nov 29 15:26:19.201 INFO [stderr]     Checking structopt v0.2.10
Nov 29 15:26:23.230 INFO [stderr]     Checking failure v0.1.2
Nov 29 15:26:37.893 INFO [stderr]     Checking mix v0.1.0 (/source)
Nov 29 15:26:39.548 INFO [stderr] warning: method is never used: `new`
Nov 29 15:26:39.549 INFO [stderr]   --> src/mailbox/task.rs:12:5
Nov 29 15:26:39.549 INFO [stderr]    |
Nov 29 15:26:39.549 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Nov 29 15:26:39.550 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.550 INFO [stderr]    |
Nov 29 15:26:39.550 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 15:26:39.550 INFO [stderr] 
Nov 29 15:26:39.551 INFO [stderr] warning: method is never used: `into_inner`
Nov 29 15:26:39.551 INFO [stderr]   --> src/mailbox/task.rs:15:5
Nov 29 15:26:39.551 INFO [stderr]    |
Nov 29 15:26:39.551 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Nov 29 15:26:39.552 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.552 INFO [stderr] 
Nov 29 15:26:39.552 INFO [stderr] warning: method is never used: `perform`
Nov 29 15:26:39.552 INFO [stderr]   --> src/mailbox/task.rs:72:5
Nov 29 15:26:39.553 INFO [stderr]    |
Nov 29 15:26:39.553 INFO [stderr] 72 |     fn perform(self) {
Nov 29 15:26:39.553 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 29 15:26:39.553 INFO [stderr] 
Nov 29 15:26:39.554 INFO [stderr] warning: method is never used: `pop`
Nov 29 15:26:39.554 INFO [stderr]   --> src/mailbox/task.rs:91:5
Nov 29 15:26:39.554 INFO [stderr]    |
Nov 29 15:26:39.555 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Nov 29 15:26:39.555 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.555 INFO [stderr] 
Nov 29 15:26:39.555 INFO [stderr] warning: method is never used: `turn`
Nov 29 15:26:39.556 INFO [stderr]    --> src/mailbox/task.rs:103:5
Nov 29 15:26:39.556 INFO [stderr]     |
Nov 29 15:26:39.556 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Nov 29 15:26:39.557 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.557 INFO [stderr] 
Nov 29 15:26:39.557 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Nov 29 15:26:39.557 INFO [stderr]    --> src/mailbox.rs:151:5
Nov 29 15:26:39.558 INFO [stderr]     |
Nov 29 15:26:39.558 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Nov 29 15:26:39.558 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.559 INFO [stderr] 
Nov 29 15:26:39.730 INFO [stderr] warning: method is never used: `new`
Nov 29 15:26:39.731 INFO [stderr]   --> src/mailbox/task.rs:12:5
Nov 29 15:26:39.731 INFO [stderr]    |
Nov 29 15:26:39.731 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Nov 29 15:26:39.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.732 INFO [stderr]    |
Nov 29 15:26:39.732 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 15:26:39.732 INFO [stderr] 
Nov 29 15:26:39.733 INFO [stderr] warning: method is never used: `into_inner`
Nov 29 15:26:39.733 INFO [stderr]   --> src/mailbox/task.rs:15:5
Nov 29 15:26:39.733 INFO [stderr]    |
Nov 29 15:26:39.733 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Nov 29 15:26:39.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.734 INFO [stderr] 
Nov 29 15:26:39.734 INFO [stderr] warning: method is never used: `perform`
Nov 29 15:26:39.735 INFO [stderr]   --> src/mailbox/task.rs:72:5
Nov 29 15:26:39.735 INFO [stderr]    |
Nov 29 15:26:39.735 INFO [stderr] 72 |     fn perform(self) {
Nov 29 15:26:39.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 29 15:26:39.736 INFO [stderr] 
Nov 29 15:26:39.736 INFO [stderr] warning: method is never used: `pop`
Nov 29 15:26:39.736 INFO [stderr]   --> src/mailbox/task.rs:91:5
Nov 29 15:26:39.737 INFO [stderr]    |
Nov 29 15:26:39.737 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Nov 29 15:26:39.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.737 INFO [stderr] 
Nov 29 15:26:39.738 INFO [stderr] warning: method is never used: `turn`
Nov 29 15:26:39.738 INFO [stderr]    --> src/mailbox/task.rs:103:5
Nov 29 15:26:39.738 INFO [stderr]     |
Nov 29 15:26:39.738 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Nov 29 15:26:39.739 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.739 INFO [stderr] 
Nov 29 15:26:39.739 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Nov 29 15:26:39.740 INFO [stderr]    --> src/mailbox.rs:151:5
Nov 29 15:26:39.740 INFO [stderr]     |
Nov 29 15:26:39.740 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Nov 29 15:26:39.740 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:26:39.740 INFO [stderr] 
Nov 29 15:26:39.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
Nov 29 15:26:39.790 INFO [stderr] su: No module specific data is present
Nov 29 15:26:41.396 INFO running `"docker" "inspect" "8b4b77032e0be41d78dd058964e70cd80ecc99bc65ecd7dd2b5c6719a4ebf7df"`
Nov 29 15:26:41.820 INFO running `"docker" "rm" "-f" "8b4b77032e0be41d78dd058964e70cd80ecc99bc65ecd7dd2b5c6719a4ebf7df"`
Nov 29 15:26:42.196 INFO [stdout] 8b4b77032e0be41d78dd058964e70cd80ecc99bc65ecd7dd2b5c6719a4ebf7df