Nov 27 17:31:45.810 INFO checking vorner/mix against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 27 17:31:45.811 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 17:31:46.340 INFO [stdout] 720ba5a0bd031f23c2592951978e295c9404e2b75ac08d2047a49686a3abb4da Nov 27 17:31:46.345 INFO running `"docker" "start" "-a" "720ba5a0bd031f23c2592951978e295c9404e2b75ac08d2047a49686a3abb4da"` Nov 27 17:31:47.796 INFO [stderr] usermod: no changes Nov 27 17:31:48.234 INFO [stderr] Checking void v1.0.2 Nov 27 17:31:48.235 INFO [stderr] Checking libc v0.2.43 Nov 27 17:31:48.262 INFO [stderr] Checking stable_deref_trait v1.1.1 Nov 27 17:31:48.264 INFO [stderr] Checking nodrop v0.1.12 Nov 27 17:31:48.267 INFO [stderr] Checking rand_core v0.2.1 Nov 27 17:31:48.273 INFO [stderr] Checking memoffset v0.2.1 Nov 27 17:31:48.276 INFO [stderr] Checking byteorder v1.2.6 Nov 27 17:31:48.278 INFO [stderr] Checking scopeguard v0.3.3 Nov 27 17:31:48.986 INFO [stderr] Checking cfg-if v0.1.5 Nov 27 17:31:49.021 INFO [stderr] Checking crossbeam-utils v0.5.0 Nov 27 17:31:49.173 INFO [stderr] Checking winapi v0.2.8 Nov 27 17:31:49.201 INFO [stderr] Checking slab v0.4.1 Nov 27 17:31:49.393 INFO [stderr] Compiling num-traits v0.2.6 Nov 27 17:31:49.767 INFO [stderr] Checking lazycell v1.2.0 Nov 27 17:31:50.869 INFO [stderr] Checking futures v0.1.24 Nov 27 17:31:51.096 INFO [stderr] Checking serde v0.8.23 Nov 27 17:31:51.336 INFO [stderr] Checking utf8-ranges v0.1.3 Nov 27 17:31:52.551 INFO [stderr] Checking regex-syntax v0.3.9 Nov 27 17:31:52.563 INFO [stderr] Checking ucd-util v0.1.1 Nov 27 17:31:53.911 INFO [stderr] Checking rustc-demangle v0.1.9 Nov 27 17:31:53.968 INFO [stderr] Checking unicode-width v0.1.5 Nov 27 17:31:54.016 INFO [stderr] Checking lazy_static v0.2.11 Nov 27 17:31:54.529 INFO [stderr] Checking quick-error v1.2.2 Nov 27 17:31:55.202 INFO [stderr] Checking linked-hash-map v0.5.1 Nov 27 17:31:55.290 INFO [stderr] Checking itoa v0.4.3 Nov 27 17:31:55.313 INFO [stderr] Checking bitflags v1.0.4 Nov 27 17:31:55.831 INFO [stderr] Checking vec_map v0.8.1 Nov 27 17:31:55.972 INFO [stderr] Checking strsim v0.7.0 Nov 27 17:31:57.416 INFO [stderr] Checking utf8-ranges v1.0.1 Nov 27 17:31:58.044 INFO [stderr] Checking ansi_term v0.11.0 Nov 27 17:31:58.180 INFO [stderr] Checking termcolor v1.0.4 Nov 27 17:31:58.864 INFO [stderr] Checking rust-ini v0.12.2 Nov 27 17:31:59.520 INFO [stderr] Checking same-file v1.0.3 Nov 27 17:32:01.146 INFO [stderr] Checking memchr v0.1.11 Nov 27 17:32:01.596 INFO [stderr] Compiling miniz-sys v0.1.10 Nov 27 17:32:01.866 INFO [stderr] Compiling context v2.1.0 Nov 27 17:32:01.985 INFO [stderr] Compiling rlua v0.15.2 Nov 27 17:32:02.044 INFO [stderr] Checking arrayvec v0.4.7 Nov 27 17:32:03.417 INFO [stderr] Checking unreachable v1.0.0 Nov 27 17:32:03.939 INFO [stderr] Checking owning_ref v0.3.3 Nov 27 17:32:04.492 INFO [stderr] Checking log v0.4.5 Nov 27 17:32:04.608 INFO [stderr] Checking tokio-executor v0.1.5 Nov 27 17:32:05.378 INFO [stderr] Checking serde_test v0.8.23 Nov 27 17:32:05.768 INFO [stderr] Checking regex-syntax v0.6.2 Nov 27 17:32:06.430 INFO [stderr] Checking textwrap v0.10.0 Nov 27 17:32:06.659 INFO [stderr] Checking humantime v1.1.1 Nov 27 17:32:07.432 INFO [stderr] Checking iovec v0.1.2 Nov 27 17:32:07.496 INFO [stderr] Checking rand v0.5.5 Nov 27 17:32:08.116 INFO [stderr] Checking net2 v0.2.33 Nov 27 17:32:08.984 INFO [stderr] Checking num_cpus v1.8.0 Nov 27 17:32:09.404 INFO [stderr] Checking atty v0.2.11 Nov 27 17:32:09.625 INFO [stderr] Checking yaml-rust v0.4.2 Nov 27 17:32:09.853 INFO [stderr] Checking walkdir v2.2.5 Nov 27 17:32:10.464 INFO [stderr] Checking aho-corasick v0.5.3 Nov 27 17:32:10.554 INFO [stderr] Checking mio v0.6.16 Nov 27 17:32:11.883 INFO [stderr] Checking smallvec v0.6.5 Nov 27 17:32:12.630 INFO [stderr] Checking lock_api v0.1.4 Nov 27 17:32:16.372 INFO [stderr] Checking ryu v0.2.6 Nov 27 17:32:16.554 INFO [stderr] Checking tokio-timer v0.2.7 Nov 27 17:32:16.693 INFO [stderr] Checking tokio-current-thread v0.1.3 Nov 27 17:32:17.997 INFO [stderr] Checking serde v1.0.79 Nov 27 17:32:20.784 INFO [stderr] Checking bytes v0.4.10 Nov 27 17:32:24.766 INFO [stderr] Checking linked-hash-map v0.3.0 Nov 27 17:32:27.004 INFO [stderr] Checking lazy_static v1.1.0 Nov 27 17:32:27.305 INFO [stderr] Checking memchr v2.1.0 Nov 27 17:32:28.296 INFO [stderr] Checking kernel32-sys v0.2.2 Nov 27 17:32:29.164 INFO [stderr] Checking tokio-io v0.1.9 Nov 27 17:32:30.284 INFO [stderr] Checking clap v2.32.0 Nov 27 17:32:30.960 INFO [stderr] Checking backtrace-sys v0.1.24 Nov 27 17:32:32.682 INFO [stderr] Checking toml v0.4.7 Nov 27 17:32:33.233 INFO [stderr] Checking serde_json v1.0.31 Nov 27 17:32:33.274 INFO [stderr] Checking mio-uds v0.6.7 Nov 27 17:32:36.832 INFO [stderr] Checking crossbeam-epoch v0.5.2 Nov 27 17:32:40.396 INFO [stderr] Checking thread_local v0.3.6 Nov 27 17:32:41.932 INFO [stderr] Checking thread-id v2.0.0 Nov 27 17:32:42.608 INFO [stderr] Compiling syn v0.14.9 Nov 27 17:32:42.870 INFO [stderr] Compiling syn v0.15.6 Nov 27 17:32:43.916 INFO [stderr] Checking num-traits v0.1.43 Nov 27 17:32:44.948 INFO [stderr] Checking backtrace v0.3.9 Nov 27 17:32:45.982 INFO [stderr] Checking aho-corasick v0.6.8 Nov 27 17:32:47.020 INFO [stderr] Checking nom v4.0.0 Nov 27 17:32:49.432 INFO [stderr] Checking flate2 v1.0.2 Nov 27 17:32:51.374 INFO [stderr] Checking tokio-codec v0.1.1 Nov 27 17:32:52.952 INFO [stderr] Checking parking_lot_core v0.3.1 Nov 27 17:32:55.116 INFO [stderr] Checking crossbeam-deque v0.6.1 Nov 27 17:32:56.756 INFO [stderr] Checking thread_local v0.2.7 Nov 27 17:32:58.021 INFO [stderr] Checking regex v1.0.5 Nov 27 17:32:59.308 INFO [stderr] Checking parking_lot v0.6.4 Nov 27 17:32:59.309 INFO [stderr] Checking tokio-threadpool v0.1.7 Nov 27 17:32:59.508 INFO [stderr] Checking regex v0.1.80 Nov 27 17:33:10.054 INFO [stderr] Checking tokio-reactor v0.1.6 Nov 27 17:33:10.981 INFO [stderr] Checking once_cell v0.1.6 Nov 27 17:33:12.565 INFO [stderr] Checking tokio-fs v0.1.3 Nov 27 17:33:14.072 INFO [stderr] Checking env_logger v0.5.13 Nov 27 17:33:16.353 INFO [stderr] Checking serde-hjson v0.8.1 Nov 27 17:33:29.052 INFO [stderr] Checking tokio-uds v0.2.2 Nov 27 17:33:29.445 INFO [stderr] Checking tokio-tcp v0.1.2 Nov 27 17:33:29.608 INFO [stderr] Checking tokio-udp v0.1.2 Nov 27 17:33:31.680 INFO [stderr] Compiling serde_derive v1.0.79 Nov 27 17:33:32.064 INFO [stderr] Compiling synstructure v0.9.0 Nov 27 17:33:32.979 INFO [stderr] Compiling structopt-derive v0.2.10 Nov 27 17:33:33.680 INFO [stderr] Checking tokio v0.1.11 Nov 27 17:33:39.164 INFO [stderr] Checking corona v0.4.0 Nov 27 17:33:39.925 INFO [stderr] Checking config v0.9.1 Nov 27 17:33:50.484 INFO [stderr] Compiling failure_derive v0.1.2 Nov 27 17:33:51.761 INFO [stderr] Checking structopt v0.2.10 Nov 27 17:33:54.705 INFO [stderr] Checking failure v0.1.2 Nov 27 17:34:12.498 INFO [stderr] Checking mix v0.1.0 (/source) Nov 27 17:34:14.388 INFO [stderr] warning: method is never used: `new` Nov 27 17:34:14.389 INFO [stderr] --> src/mailbox/task.rs:12:5 Nov 27 17:34:14.390 INFO [stderr] | Nov 27 17:34:14.390 INFO [stderr] 12 | pub fn new(inner: Arc) -> Self { Nov 27 17:34:14.391 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.391 INFO [stderr] | Nov 27 17:34:14.392 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 27 17:34:14.393 INFO [stderr] Nov 27 17:34:14.393 INFO [stderr] warning: method is never used: `into_inner` Nov 27 17:34:14.394 INFO [stderr] --> src/mailbox/task.rs:15:5 Nov 27 17:34:14.395 INFO [stderr] | Nov 27 17:34:14.395 INFO [stderr] 15 | pub fn into_inner(self) -> Arc { Nov 27 17:34:14.396 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.397 INFO [stderr] Nov 27 17:34:14.397 INFO [stderr] warning: method is never used: `perform` Nov 27 17:34:14.398 INFO [stderr] --> src/mailbox/task.rs:72:5 Nov 27 17:34:14.399 INFO [stderr] | Nov 27 17:34:14.399 INFO [stderr] 72 | fn perform(self) { Nov 27 17:34:14.400 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 27 17:34:14.400 INFO [stderr] Nov 27 17:34:14.401 INFO [stderr] warning: method is never used: `pop` Nov 27 17:34:14.402 INFO [stderr] --> src/mailbox/task.rs:91:5 Nov 27 17:34:14.402 INFO [stderr] | Nov 27 17:34:14.403 INFO [stderr] 91 | fn pop(&mut self) -> Option { Nov 27 17:34:14.403 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.404 INFO [stderr] Nov 27 17:34:14.404 INFO [stderr] warning: method is never used: `turn` Nov 27 17:34:14.405 INFO [stderr] --> src/mailbox/task.rs:103:5 Nov 27 17:34:14.406 INFO [stderr] | Nov 27 17:34:14.406 INFO [stderr] 103 | pub(super) fn turn(&mut self) -> bool { Nov 27 17:34:14.407 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.407 INFO [stderr] Nov 27 17:34:14.408 INFO [stderr] warning: variant is never constructed: `MailboxContent` Nov 27 17:34:14.408 INFO [stderr] --> src/mailbox.rs:151:5 Nov 27 17:34:14.409 INFO [stderr] | Nov 27 17:34:14.410 INFO [stderr] 151 | MailboxContent(Arc), Nov 27 17:34:14.410 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.411 INFO [stderr] Nov 27 17:34:14.528 INFO [stderr] warning: method is never used: `new` Nov 27 17:34:14.529 INFO [stderr] --> src/mailbox/task.rs:12:5 Nov 27 17:34:14.530 INFO [stderr] | Nov 27 17:34:14.531 INFO [stderr] 12 | pub fn new(inner: Arc) -> Self { Nov 27 17:34:14.531 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.532 INFO [stderr] | Nov 27 17:34:14.533 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 27 17:34:14.533 INFO [stderr] Nov 27 17:34:14.534 INFO [stderr] warning: method is never used: `into_inner` Nov 27 17:34:14.534 INFO [stderr] --> src/mailbox/task.rs:15:5 Nov 27 17:34:14.534 INFO [stderr] | Nov 27 17:34:14.534 INFO [stderr] 15 | pub fn into_inner(self) -> Arc { Nov 27 17:34:14.534 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.534 INFO [stderr] Nov 27 17:34:14.534 INFO [stderr] warning: method is never used: `perform` Nov 27 17:34:14.534 INFO [stderr] --> src/mailbox/task.rs:72:5 Nov 27 17:34:14.534 INFO [stderr] | Nov 27 17:34:14.536 INFO [stderr] 72 | fn perform(self) { Nov 27 17:34:14.536 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 27 17:34:14.536 INFO [stderr] Nov 27 17:34:14.536 INFO [stderr] warning: method is never used: `pop` Nov 27 17:34:14.536 INFO [stderr] --> src/mailbox/task.rs:91:5 Nov 27 17:34:14.536 INFO [stderr] | Nov 27 17:34:14.536 INFO [stderr] 91 | fn pop(&mut self) -> Option { Nov 27 17:34:14.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.536 INFO [stderr] Nov 27 17:34:14.536 INFO [stderr] warning: method is never used: `turn` Nov 27 17:34:14.536 INFO [stderr] --> src/mailbox/task.rs:103:5 Nov 27 17:34:14.536 INFO [stderr] | Nov 27 17:34:14.536 INFO [stderr] 103 | pub(super) fn turn(&mut self) -> bool { Nov 27 17:34:14.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.536 INFO [stderr] Nov 27 17:34:14.536 INFO [stderr] warning: variant is never constructed: `MailboxContent` Nov 27 17:34:14.536 INFO [stderr] --> src/mailbox.rs:151:5 Nov 27 17:34:14.536 INFO [stderr] | Nov 27 17:34:14.539 INFO [stderr] 151 | MailboxContent(Arc), Nov 27 17:34:14.539 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 17:34:14.539 INFO [stderr] Nov 27 17:34:14.586 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 26s Nov 27 17:34:14.617 INFO [stderr] su: No module specific data is present Nov 27 17:34:16.427 INFO running `"docker" "inspect" "720ba5a0bd031f23c2592951978e295c9404e2b75ac08d2047a49686a3abb4da"` Nov 27 17:34:16.790 INFO running `"docker" "rm" "-f" "720ba5a0bd031f23c2592951978e295c9404e2b75ac08d2047a49686a3abb4da"` Nov 27 17:34:17.048 INFO [stdout] 720ba5a0bd031f23c2592951978e295c9404e2b75ac08d2047a49686a3abb4da