Dec 17 20:41:09.866 INFO checking lissyx/sensorweb-NodeMCU-collector against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:41:09.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/lissyx/sensorweb-NodeMCU-collector:/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 20:41:10.214 INFO [stdout] 85d5e9387697afe6f40c03d523d4e3399b6a67b5dd85f8a1d943cacc3ca805a7
Dec 17 20:41:10.216 INFO running `"docker" "start" "-a" "85d5e9387697afe6f40c03d523d4e3399b6a67b5dd85f8a1d943cacc3ca805a7"`
Dec 17 20:41:11.718 INFO [stderr]     Checking num_cpus v1.5.0
Dec 17 20:41:11.720 INFO [stderr]     Checking bytes v0.4.4
Dec 17 20:41:11.720 INFO [stderr]     Checking simplelog v0.4.2
Dec 17 20:41:11.720 INFO [stderr]     Checking clap v2.24.2
Dec 17 20:41:11.748 INFO [stderr]     Checking mio v0.6.8
Dec 17 20:41:11.752 INFO [stderr]     Checking openssl-sys v0.9.13
Dec 17 20:41:12.508 INFO [stderr]     Checking hyper v0.10.11
Dec 17 20:41:13.424 INFO [stderr]     Checking openssl v0.9.13
Dec 17 20:41:13.851 INFO [stderr]     Checking tokio-io v0.1.2
Dec 17 20:41:16.212 INFO [stderr]     Checking tokio-core v0.1.7
Dec 17 20:41:18.408 INFO [stderr]     Checking native-tls v0.1.2
Dec 17 20:41:19.466 INFO [stderr]     Checking tokio-tls v0.1.2
Dec 17 20:41:20.640 INFO [stderr]     Checking websocket v0.20.1
Dec 17 20:41:22.737 INFO [stderr]     Checking sensorweb_node_mcu_collector v0.1.0 (/opt/crater/workdir)
Dec 17 20:41:23.608 INFO [stderr] warning: unused import: `Ipv6Addr`
Dec 17 20:41:23.608 INFO [stderr]  --> src/mcast.rs:3:34
Dec 17 20:41:23.608 INFO [stderr]   |
Dec 17 20:41:23.608 INFO [stderr] 3 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, UdpSocket};
Dec 17 20:41:23.608 INFO [stderr]   |                                  ^^^^^^^^
Dec 17 20:41:23.609 INFO [stderr]   |
Dec 17 20:41:23.609 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:41:23.609 INFO [stderr] 
Dec 17 20:41:23.698 INFO [stderr] warning: unused import: `Ipv6Addr`
Dec 17 20:41:23.698 INFO [stderr]  --> src/mcast.rs:3:34
Dec 17 20:41:23.698 INFO [stderr]   |
Dec 17 20:41:23.698 INFO [stderr] 3 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, UdpSocket};
Dec 17 20:41:23.699 INFO [stderr]   |                                  ^^^^^^^^
Dec 17 20:41:23.699 INFO [stderr]   |
Dec 17 20:41:23.699 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:41:23.699 INFO [stderr] 
Dec 17 20:41:23.798 INFO [stderr] warning: unreachable expression
Dec 17 20:41:23.798 INFO [stderr]   --> src/mcast.rs:77:2
Dec 17 20:41:23.798 INFO [stderr]    |
Dec 17 20:41:23.798 INFO [stderr] 77 |     leave(ip, port, socket)
Dec 17 20:41:23.798 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:41:23.798 INFO [stderr]    |
Dec 17 20:41:23.798 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 17 20:41:23.799 INFO [stderr] 
Dec 17 20:41:23.974 INFO [stderr] warning: unused variable: `err`
Dec 17 20:41:23.974 INFO [stderr]   --> src/http.rs:30:25
Dec 17 20:41:23.974 INFO [stderr]    |
Dec 17 20:41:23.974 INFO [stderr] 30 |                     Err(err)  => static_p.join(""),
Dec 17 20:41:23.975 INFO [stderr]    |                         ^^^ help: consider using `_err` instead
Dec 17 20:41:23.975 INFO [stderr]    |
Dec 17 20:41:23.975 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:41:23.975 INFO [stderr] 
Dec 17 20:41:23.976 INFO [stderr] warning: unused variable: `read_bytes`
Dec 17 20:41:23.976 INFO [stderr]   --> src/http.rs:42:28
Dec 17 20:41:23.976 INFO [stderr]    |
Dec 17 20:41:23.976 INFO [stderr] 42 |                         Ok(read_bytes) => {
Dec 17 20:41:23.977 INFO [stderr]    |                            ^^^^^^^^^^ help: consider using `_read_bytes` instead
Dec 17 20:41:23.977 INFO [stderr] 
Dec 17 20:41:23.977 INFO [stderr] warning: unused variable: `err`
Dec 17 20:41:23.977 INFO [stderr]   --> src/http.rs:49:29
Dec 17 20:41:23.977 INFO [stderr]    |
Dec 17 20:41:23.977 INFO [stderr] 49 |                         Err(err)       => {}
Dec 17 20:41:23.977 INFO [stderr]    |                             ^^^ help: consider using `_err` instead
Dec 17 20:41:23.977 INFO [stderr] 
Dec 17 20:41:23.977 INFO [stderr] warning: unused variable: `port`
Dec 17 20:41:23.977 INFO [stderr]   --> src/mcast.rs:33:22
Dec 17 20:41:23.978 INFO [stderr]    |
Dec 17 20:41:23.978 INFO [stderr] 33 | fn leave(ip: IpAddr, port: UdpPort, socket: UdpSocket) {
Dec 17 20:41:23.978 INFO [stderr]    |                      ^^^^ help: consider using `_port` instead
Dec 17 20:41:23.978 INFO [stderr] 
Dec 17 20:41:23.978 INFO [stderr] warning: unused variable: `pm25_head`
Dec 17 20:41:23.978 INFO [stderr]    --> src/message.rs:194:21
Dec 17 20:41:23.978 INFO [stderr]     |
Dec 17 20:41:23.978 INFO [stderr] 194 |         if let Some(pm25_head) = split_ntp.next() {
Dec 17 20:41:23.978 INFO [stderr]     |                     ^^^^^^^^^ help: consider using `_pm25_head` instead
Dec 17 20:41:23.978 INFO [stderr] 
Dec 17 20:41:24.029 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:41:24.029 INFO [stderr]   --> src/mcast.rs:14:6
Dec 17 20:41:24.029 INFO [stderr]    |
Dec 17 20:41:24.029 INFO [stderr] 14 |     let mut socket = match UdpSocket::bind(bind_addr) {
Dec 17 20:41:24.029 INFO [stderr]    |         ----^^^^^^
Dec 17 20:41:24.029 INFO [stderr]    |         |
Dec 17 20:41:24.029 INFO [stderr]    |         help: remove this `mut`
Dec 17 20:41:24.029 INFO [stderr]    |
Dec 17 20:41:24.029 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:41:24.029 INFO [stderr] 
Dec 17 20:41:24.118 INFO [stderr] warning: function is never used: `ws_handler`
Dec 17 20:41:24.118 INFO [stderr]  --> src/ws.rs:7:1
Dec 17 20:41:24.118 INFO [stderr]   |
Dec 17 20:41:24.118 INFO [stderr] 7 | fn ws_handler() {
Dec 17 20:41:24.118 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 17 20:41:24.118 INFO [stderr]   |
Dec 17 20:41:24.118 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 20:41:24.118 INFO [stderr] 
Dec 17 20:41:24.141 INFO [stderr] warning: unreachable expression
Dec 17 20:41:24.141 INFO [stderr]   --> src/mcast.rs:77:2
Dec 17 20:41:24.141 INFO [stderr]    |
Dec 17 20:41:24.141 INFO [stderr] 77 |     leave(ip, port, socket)
Dec 17 20:41:24.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:41:24.141 INFO [stderr]    |
Dec 17 20:41:24.141 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 17 20:41:24.141 INFO [stderr] 
Dec 17 20:41:24.344 INFO [stderr] warning: unused variable: `err`
Dec 17 20:41:24.344 INFO [stderr]   --> src/http.rs:30:25
Dec 17 20:41:24.344 INFO [stderr]    |
Dec 17 20:41:24.344 INFO [stderr] 30 |                     Err(err)  => static_p.join(""),
Dec 17 20:41:24.344 INFO [stderr]    |                         ^^^ help: consider using `_err` instead
Dec 17 20:41:24.344 INFO [stderr]    |
Dec 17 20:41:24.344 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:41:24.344 INFO [stderr] 
Dec 17 20:41:24.344 INFO [stderr] warning: unused variable: `read_bytes`
Dec 17 20:41:24.344 INFO [stderr]   --> src/http.rs:42:28
Dec 17 20:41:24.344 INFO [stderr]    |
Dec 17 20:41:24.344 INFO [stderr] 42 |                         Ok(read_bytes) => {
Dec 17 20:41:24.344 INFO [stderr]    |                            ^^^^^^^^^^ help: consider using `_read_bytes` instead
Dec 17 20:41:24.344 INFO [stderr] 
Dec 17 20:41:24.344 INFO [stderr] warning: unused variable: `err`
Dec 17 20:41:24.344 INFO [stderr]   --> src/http.rs:49:29
Dec 17 20:41:24.344 INFO [stderr]    |
Dec 17 20:41:24.344 INFO [stderr] 49 |                         Err(err)       => {}
Dec 17 20:41:24.344 INFO [stderr]    |                             ^^^ help: consider using `_err` instead
Dec 17 20:41:24.344 INFO [stderr] 
Dec 17 20:41:24.344 INFO [stderr] warning: unused variable: `port`
Dec 17 20:41:24.344 INFO [stderr]   --> src/mcast.rs:33:22
Dec 17 20:41:24.344 INFO [stderr]    |
Dec 17 20:41:24.344 INFO [stderr] 33 | fn leave(ip: IpAddr, port: UdpPort, socket: UdpSocket) {
Dec 17 20:41:24.344 INFO [stderr]    |                      ^^^^ help: consider using `_port` instead
Dec 17 20:41:24.344 INFO [stderr] 
Dec 17 20:41:24.345 INFO [stderr] warning: unused variable: `pm25_head`
Dec 17 20:41:24.345 INFO [stderr]    --> src/message.rs:194:21
Dec 17 20:41:24.345 INFO [stderr]     |
Dec 17 20:41:24.345 INFO [stderr] 194 |         if let Some(pm25_head) = split_ntp.next() {
Dec 17 20:41:24.345 INFO [stderr]     |                     ^^^^^^^^^ help: consider using `_pm25_head` instead
Dec 17 20:41:24.345 INFO [stderr] 
Dec 17 20:41:24.398 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:41:24.398 INFO [stderr]   --> src/mcast.rs:14:6
Dec 17 20:41:24.398 INFO [stderr]    |
Dec 17 20:41:24.398 INFO [stderr] 14 |     let mut socket = match UdpSocket::bind(bind_addr) {
Dec 17 20:41:24.398 INFO [stderr]    |         ----^^^^^^
Dec 17 20:41:24.398 INFO [stderr]    |         |
Dec 17 20:41:24.398 INFO [stderr]    |         help: remove this `mut`
Dec 17 20:41:24.398 INFO [stderr]    |
Dec 17 20:41:24.398 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:41:24.398 INFO [stderr] 
Dec 17 20:41:24.499 INFO [stderr] warning: function is never used: `ws_handler`
Dec 17 20:41:24.499 INFO [stderr]  --> src/ws.rs:7:1
Dec 17 20:41:24.499 INFO [stderr]   |
Dec 17 20:41:24.499 INFO [stderr] 7 | fn ws_handler() {
Dec 17 20:41:24.499 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 17 20:41:24.499 INFO [stderr]   |
Dec 17 20:41:24.499 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 20:41:24.499 INFO [stderr] 
Dec 17 20:41:24.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.08s
Dec 17 20:41:26.067 INFO running `"docker" "inspect" "85d5e9387697afe6f40c03d523d4e3399b6a67b5dd85f8a1d943cacc3ca805a7"`
Dec 17 20:41:26.478 INFO running `"docker" "rm" "-f" "85d5e9387697afe6f40c03d523d4e3399b6a67b5dd85f8a1d943cacc3ca805a7"`
Dec 17 20:41:26.831 INFO [stdout] 85d5e9387697afe6f40c03d523d4e3399b6a67b5dd85f8a1d943cacc3ca805a7