Dec 04 07:29:28.048 INFO checking vorner/mix against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:29:28.048 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 07:29:28.741 INFO [stdout] f986c9cc6b728dbec3bbfb55143a4d1c2a8fd6c715d025dbc79d5c48a257c236
Dec 04 07:29:28.743 INFO running `"docker" "start" "-a" "f986c9cc6b728dbec3bbfb55143a4d1c2a8fd6c715d025dbc79d5c48a257c236"`
Dec 04 07:29:30.079 INFO [stderr] usermod: no changes
Dec 04 07:29:30.498 INFO [stderr]     Checking void v1.0.2
Dec 04 07:29:30.498 INFO [stderr]     Checking nodrop v0.1.12
Dec 04 07:29:30.507 INFO [stderr]     Checking winapi v0.2.8
Dec 04 07:29:30.507 INFO [stderr]     Checking memoffset v0.2.1
Dec 04 07:29:30.507 INFO [stderr]     Checking lazycell v1.2.0
Dec 04 07:29:30.507 INFO [stderr]     Checking serde v0.8.23
Dec 04 07:29:30.507 INFO [stderr]     Checking regex-syntax v0.3.9
Dec 04 07:29:30.507 INFO [stderr]     Checking utf8-ranges v0.1.3
Dec 04 07:29:31.104 INFO [stderr]     Checking rustc-demangle v0.1.9
Dec 04 07:29:31.307 INFO [stderr]     Checking ansi_term v0.11.0
Dec 04 07:29:31.315 INFO [stderr]     Checking strsim v0.7.0
Dec 04 07:29:31.507 INFO [stderr]     Checking vec_map v0.8.1
Dec 04 07:29:32.183 INFO [stderr]     Checking linked-hash-map v0.5.1
Dec 04 07:29:32.711 INFO [stderr]     Checking lazy_static v0.2.11
Dec 04 07:29:32.727 INFO [stderr]     Checking itoa v0.4.3
Dec 04 07:29:33.371 INFO [stderr]     Checking rust-ini v0.12.2
Dec 04 07:29:33.899 INFO [stderr]     Checking termcolor v1.0.4
Dec 04 07:29:34.131 INFO [stderr]     Checking memchr v0.1.11
Dec 04 07:29:35.099 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 04 07:29:35.443 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 04 07:29:35.687 INFO [stderr]    Compiling context v2.1.0
Dec 04 07:29:35.728 INFO [stderr]    Compiling rlua v0.15.2
Dec 04 07:29:36.647 INFO [stderr]     Checking tokio-executor v0.1.5
Dec 04 07:29:38.778 INFO [stderr]     Checking textwrap v0.10.0
Dec 04 07:29:39.032 INFO [stderr]     Checking unreachable v1.0.0
Dec 04 07:29:39.293 INFO [stderr]     Checking arrayvec v0.4.7
Dec 04 07:29:39.298 INFO [stderr]     Checking lock_api v0.1.4
Dec 04 07:29:39.655 INFO [stderr]     Checking yaml-rust v0.4.2
Dec 04 07:29:39.667 INFO [stderr]     Checking mio v0.6.16
Dec 04 07:29:40.914 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 04 07:29:43.267 INFO [stderr]     Checking num-traits v0.2.6
Dec 04 07:29:44.283 INFO [stderr]     Checking tokio-current-thread v0.1.3
Dec 04 07:29:44.852 INFO [stderr]     Checking tokio-timer v0.2.7
Dec 04 07:29:46.649 INFO [stderr]     Checking ryu v0.2.6
Dec 04 07:29:46.871 INFO [stderr]     Checking serde v1.0.79
Dec 04 07:29:50.669 INFO [stderr]     Checking lazy_static v1.1.0
Dec 04 07:29:51.835 INFO [stderr]     Checking memchr v2.1.0
Dec 04 07:29:52.261 INFO [stderr]     Checking kernel32-sys v0.2.2
Dec 04 07:29:52.631 INFO [stderr]     Checking tokio-io v0.1.9
Dec 04 07:29:52.677 INFO [stderr]     Checking smallvec v0.6.5
Dec 04 07:29:56.423 INFO [stderr]     Checking clap v2.32.0
Dec 04 07:29:56.646 INFO [stderr]     Checking toml v0.4.7
Dec 04 07:29:56.771 INFO [stderr]     Checking serde_json v1.0.31
Dec 04 07:29:56.883 INFO [stderr]     Checking mio-uds v0.6.7
Dec 04 07:29:58.028 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 04 07:29:59.239 INFO [stderr]     Checking thread_local v0.3.6
Dec 04 07:30:01.805 INFO [stderr]     Checking nom v4.0.0
Dec 04 07:30:01.999 INFO [stderr]    Compiling syn v0.14.9
Dec 04 07:30:02.587 INFO [stderr]    Compiling syn v0.15.6
Dec 04 07:30:07.539 INFO [stderr]     Checking thread-id v2.0.0
Dec 04 07:30:09.711 INFO [stderr]     Checking num-traits v0.1.43
Dec 04 07:30:10.351 INFO [stderr]     Checking serde_test v0.8.23
Dec 04 07:30:10.735 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 04 07:30:12.767 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 04 07:30:13.463 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 04 07:30:16.923 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 04 07:30:19.647 INFO [stderr]     Checking thread_local v0.2.7
Dec 04 07:30:19.787 INFO [stderr]     Checking flate2 v1.0.2
Dec 04 07:30:24.200 INFO [stderr]     Checking backtrace v0.3.9
Dec 04 07:30:27.617 INFO [stderr]     Checking regex v1.0.5
Dec 04 07:30:27.839 INFO [stderr]     Checking parking_lot v0.6.4
Dec 04 07:30:28.351 INFO [stderr]     Checking linked-hash-map v0.3.0
Dec 04 07:30:29.588 INFO [stderr]     Checking env_logger v0.5.13
Dec 04 07:30:30.515 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 04 07:30:31.635 INFO [stderr]     Checking regex v0.1.80
Dec 04 07:30:34.131 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 04 07:30:46.059 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 04 07:30:46.215 INFO [stderr]     Checking once_cell v0.1.6
Dec 04 07:30:46.731 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 04 07:30:47.751 INFO [stderr]     Checking serde-hjson v0.8.1
Dec 04 07:30:50.729 INFO [stderr]     Checking tokio-uds v0.2.2
Dec 04 07:30:50.823 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 04 07:30:51.773 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 04 07:30:56.503 INFO [stderr]    Compiling synstructure v0.9.0
Dec 04 07:30:57.135 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 04 07:30:57.559 INFO [stderr]     Checking tokio v0.1.11
Dec 04 07:30:58.107 INFO [stderr]     Checking config v0.9.1
Dec 04 07:31:04.588 INFO [stderr]     Checking corona v0.4.0
Dec 04 07:31:10.371 INFO [stderr]     Checking structopt v0.2.10
Dec 04 07:31:12.004 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 04 07:31:19.107 INFO [stderr]     Checking failure v0.1.2
Dec 04 07:31:28.499 INFO [stderr]     Checking mix v0.1.0 (/source)
Dec 04 07:31:30.603 INFO [stderr] warning: method is never used: `new`
Dec 04 07:31:30.603 INFO [stderr]   --> src/mailbox/task.rs:12:5
Dec 04 07:31:30.603 INFO [stderr]    |
Dec 04 07:31:30.603 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Dec 04 07:31:30.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.603 INFO [stderr]    |
Dec 04 07:31:30.603 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:31:30.603 INFO [stderr] 
Dec 04 07:31:30.603 INFO [stderr] warning: method is never used: `into_inner`
Dec 04 07:31:30.603 INFO [stderr]   --> src/mailbox/task.rs:15:5
Dec 04 07:31:30.603 INFO [stderr]    |
Dec 04 07:31:30.603 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Dec 04 07:31:30.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.603 INFO [stderr] 
Dec 04 07:31:30.603 INFO [stderr] warning: method is never used: `perform`
Dec 04 07:31:30.603 INFO [stderr]   --> src/mailbox/task.rs:72:5
Dec 04 07:31:30.603 INFO [stderr]    |
Dec 04 07:31:30.603 INFO [stderr] 72 |     fn perform(self) {
Dec 04 07:31:30.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 07:31:30.603 INFO [stderr] 
Dec 04 07:31:30.603 INFO [stderr] warning: method is never used: `pop`
Dec 04 07:31:30.603 INFO [stderr]   --> src/mailbox/task.rs:91:5
Dec 04 07:31:30.603 INFO [stderr]    |
Dec 04 07:31:30.603 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Dec 04 07:31:30.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.603 INFO [stderr] 
Dec 04 07:31:30.603 INFO [stderr] warning: method is never used: `turn`
Dec 04 07:31:30.603 INFO [stderr]    --> src/mailbox/task.rs:103:5
Dec 04 07:31:30.603 INFO [stderr]     |
Dec 04 07:31:30.603 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Dec 04 07:31:30.603 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.603 INFO [stderr] 
Dec 04 07:31:30.603 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Dec 04 07:31:30.603 INFO [stderr]    --> src/mailbox.rs:151:5
Dec 04 07:31:30.603 INFO [stderr]     |
Dec 04 07:31:30.603 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Dec 04 07:31:30.603 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.603 INFO [stderr] 
Dec 04 07:31:30.987 INFO [stderr] warning: method is never used: `new`
Dec 04 07:31:30.987 INFO [stderr]   --> src/mailbox/task.rs:12:5
Dec 04 07:31:30.988 INFO [stderr]    |
Dec 04 07:31:30.988 INFO [stderr] 12 |     pub fn new(inner: Arc<T>) -> Self {
Dec 04 07:31:30.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.989 INFO [stderr]    |
Dec 04 07:31:30.989 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:31:30.989 INFO [stderr] 
Dec 04 07:31:30.989 INFO [stderr] warning: method is never used: `into_inner`
Dec 04 07:31:30.990 INFO [stderr]   --> src/mailbox/task.rs:15:5
Dec 04 07:31:30.990 INFO [stderr]    |
Dec 04 07:31:30.990 INFO [stderr] 15 |     pub fn into_inner(self) -> Arc<T> {
Dec 04 07:31:30.991 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.991 INFO [stderr] 
Dec 04 07:31:30.991 INFO [stderr] warning: method is never used: `perform`
Dec 04 07:31:30.991 INFO [stderr]   --> src/mailbox/task.rs:72:5
Dec 04 07:31:30.991 INFO [stderr]    |
Dec 04 07:31:30.992 INFO [stderr] 72 |     fn perform(self) {
Dec 04 07:31:30.992 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 07:31:30.992 INFO [stderr] 
Dec 04 07:31:30.992 INFO [stderr] warning: method is never used: `pop`
Dec 04 07:31:30.992 INFO [stderr]   --> src/mailbox/task.rs:91:5
Dec 04 07:31:30.993 INFO [stderr]    |
Dec 04 07:31:30.993 INFO [stderr] 91 |     fn pop(&mut self) -> Option<Task> {
Dec 04 07:31:30.993 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.993 INFO [stderr] 
Dec 04 07:31:30.994 INFO [stderr] warning: method is never used: `turn`
Dec 04 07:31:30.994 INFO [stderr]    --> src/mailbox/task.rs:103:5
Dec 04 07:31:30.994 INFO [stderr]     |
Dec 04 07:31:30.994 INFO [stderr] 103 |     pub(super) fn turn(&mut self) -> bool {
Dec 04 07:31:30.994 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.994 INFO [stderr] 
Dec 04 07:31:30.994 INFO [stderr] warning: variant is never constructed: `MailboxContent`
Dec 04 07:31:30.994 INFO [stderr]    --> src/mailbox.rs:151:5
Dec 04 07:31:30.994 INFO [stderr]     |
Dec 04 07:31:30.994 INFO [stderr] 151 |     MailboxContent(Arc<Mailbox>),
Dec 04 07:31:30.994 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:31:30.994 INFO [stderr] 
Dec 04 07:31:31.041 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
Dec 04 07:31:31.063 INFO [stderr] su: No module specific data is present
Dec 04 07:31:32.647 INFO running `"docker" "inspect" "f986c9cc6b728dbec3bbfb55143a4d1c2a8fd6c715d025dbc79d5c48a257c236"`
Dec 04 07:31:33.025 INFO running `"docker" "rm" "-f" "f986c9cc6b728dbec3bbfb55143a4d1c2a8fd6c715d025dbc79d5c48a257c236"`
Dec 04 07:31:33.355 INFO [stdout] f986c9cc6b728dbec3bbfb55143a4d1c2a8fd6c715d025dbc79d5c48a257c236