Dec 12 15:49:05.573 INFO checking discovery_rust-0.1.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:49:05.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 15:49:06.046 INFO [stdout] 357802afe157427ecca51abecb60c78c1b0dd2fcdb6029e68e33f62bb3500e7f
Dec 12 15:49:06.052 INFO running `"docker" "start" "-a" "357802afe157427ecca51abecb60c78c1b0dd2fcdb6029e68e33f62bb3500e7f"`
Dec 12 15:49:07.172 INFO [stderr] usermod: no changes
Dec 12 15:49:07.219 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 12 15:49:07.408 INFO [stderr]     Checking consul_rust v0.1.0
Dec 12 15:49:14.468 INFO [stderr]     Checking discovery_rust v0.1.1 (/source)
Dec 12 15:49:26.700 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 12 15:49:26.700 INFO [stderr]  --> src/lib.rs:8:5
Dec 12 15:49:26.700 INFO [stderr]   |
Dec 12 15:49:26.700 INFO [stderr] 8 | use std::collections::HashMap;
Dec 12 15:49:26.700 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:49:26.700 INFO [stderr]   |
Dec 12 15:49:26.700 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 15:49:26.700 INFO [stderr] 
Dec 12 15:49:26.700 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 12 15:49:26.700 INFO [stderr]  --> src/core/diplomat.rs:9:15
Dec 12 15:49:26.700 INFO [stderr]   |
Dec 12 15:49:26.700 INFO [stderr] 9 | use std::io::{self, Write};
Dec 12 15:49:26.700 INFO [stderr]   |               ^^^^  ^^^^^
Dec 12 15:49:26.700 INFO [stderr] 
Dec 12 15:49:26.700 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 12 15:49:26.700 INFO [stderr]   --> src/core/diplomat.rs:10:5
Dec 12 15:49:26.700 INFO [stderr]    |
Dec 12 15:49:26.700 INFO [stderr] 10 | use std::iter::FromIterator;
Dec 12 15:49:26.700 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:49:26.700 INFO [stderr] 
Dec 12 15:49:26.700 INFO [stderr] warning: unused import: `Host`
Dec 12 15:49:26.700 INFO [stderr]   --> src/core/diplomat.rs:11:11
Dec 12 15:49:26.700 INFO [stderr]    |
Dec 12 15:49:26.700 INFO [stderr] 11 | use url::{Host, Url};
Dec 12 15:49:26.700 INFO [stderr]    |           ^^^^
Dec 12 15:49:26.700 INFO [stderr] 
Dec 12 15:49:26.908 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 12 15:49:26.908 INFO [stderr]  --> src/lib.rs:8:5
Dec 12 15:49:26.908 INFO [stderr]   |
Dec 12 15:49:26.908 INFO [stderr] 8 | use std::collections::HashMap;
Dec 12 15:49:26.908 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:49:26.908 INFO [stderr]   |
Dec 12 15:49:26.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 15:49:26.908 INFO [stderr] 
Dec 12 15:49:26.908 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 12 15:49:26.908 INFO [stderr]  --> src/core/diplomat.rs:9:15
Dec 12 15:49:26.908 INFO [stderr]   |
Dec 12 15:49:26.908 INFO [stderr] 9 | use std::io::{self, Write};
Dec 12 15:49:26.908 INFO [stderr]   |               ^^^^  ^^^^^
Dec 12 15:49:26.908 INFO [stderr] 
Dec 12 15:49:26.908 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 12 15:49:26.908 INFO [stderr]   --> src/core/diplomat.rs:10:5
Dec 12 15:49:26.908 INFO [stderr]    |
Dec 12 15:49:26.908 INFO [stderr] 10 | use std::iter::FromIterator;
Dec 12 15:49:26.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:49:26.908 INFO [stderr] 
Dec 12 15:49:26.909 INFO [stderr] warning: unused import: `Host`
Dec 12 15:49:26.909 INFO [stderr]   --> src/core/diplomat.rs:11:11
Dec 12 15:49:26.909 INFO [stderr]    |
Dec 12 15:49:26.909 INFO [stderr] 11 | use url::{Host, Url};
Dec 12 15:49:26.909 INFO [stderr]    |           ^^^^
Dec 12 15:49:26.909 INFO [stderr] 
Dec 12 15:49:27.024 INFO [stderr] warning: unreachable pattern
Dec 12 15:49:27.025 INFO [stderr]    --> src/core/diplomat.rs:158:17
Dec 12 15:49:27.025 INFO [stderr]     |
Dec 12 15:49:27.025 INFO [stderr] 158 |                 _ => {  // default choose the first item
Dec 12 15:49:27.025 INFO [stderr]     |                 ^
Dec 12 15:49:27.028 INFO [stderr]     |
Dec 12 15:49:27.028 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 12 15:49:27.028 INFO [stderr] 
Dec 12 15:49:27.028 INFO [stderr] warning: unused variable: `refresh`
Dec 12 15:49:27.028 INFO [stderr]   --> src/core/diplomat.rs:99:47
Dec 12 15:49:27.028 INFO [stderr]    |
Dec 12 15:49:27.028 INFO [stderr] 99 |     fn health_with_cache(&self, name: String, refresh: bool, cfg: ConsulConfig) -> Vec<ServiceEntry> {
Dec 12 15:49:27.028 INFO [stderr]    |                                               ^^^^^^^ help: consider using `_refresh` instead
Dec 12 15:49:27.028 INFO [stderr]    |
Dec 12 15:49:27.028 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 15:49:27.028 INFO [stderr] 
Dec 12 15:49:27.054 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:49:27.055 INFO [stderr]   --> src/core/diplomat.rs:50:13
Dec 12 15:49:27.060 INFO [stderr]    |
Dec 12 15:49:27.060 INFO [stderr] 50 |         let mut discovery_uri: String;
Dec 12 15:49:27.060 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 12 15:49:27.060 INFO [stderr]    |             |
Dec 12 15:49:27.060 INFO [stderr]    |             help: remove this `mut`
Dec 12 15:49:27.060 INFO [stderr]    |
Dec 12 15:49:27.060 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 15:49:27.060 INFO [stderr] 
Dec 12 15:49:27.097 INFO [stderr] warning: field is never used: `cache_ttl`
Dec 12 15:49:27.097 INFO [stderr]   --> src/core/diplomat.rs:32:5
Dec 12 15:49:27.100 INFO [stderr]    |
Dec 12 15:49:27.100 INFO [stderr] 32 |     cache_ttl: u16,
Dec 12 15:49:27.100 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 15:49:27.100 INFO [stderr]    |
Dec 12 15:49:27.100 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 15:49:27.100 INFO [stderr] 
Dec 12 15:49:27.231 INFO [stderr] warning: unreachable pattern
Dec 12 15:49:27.231 INFO [stderr]    --> src/core/diplomat.rs:158:17
Dec 12 15:49:27.231 INFO [stderr]     |
Dec 12 15:49:27.232 INFO [stderr] 158 |                 _ => {  // default choose the first item
Dec 12 15:49:27.232 INFO [stderr]     |                 ^
Dec 12 15:49:27.232 INFO [stderr]     |
Dec 12 15:49:27.232 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 12 15:49:27.232 INFO [stderr] 
Dec 12 15:49:27.232 INFO [stderr] warning: unused variable: `refresh`
Dec 12 15:49:27.232 INFO [stderr]   --> src/core/diplomat.rs:99:47
Dec 12 15:49:27.232 INFO [stderr]    |
Dec 12 15:49:27.232 INFO [stderr] 99 |     fn health_with_cache(&self, name: String, refresh: bool, cfg: ConsulConfig) -> Vec<ServiceEntry> {
Dec 12 15:49:27.232 INFO [stderr]    |                                               ^^^^^^^ help: consider using `_refresh` instead
Dec 12 15:49:27.233 INFO [stderr]    |
Dec 12 15:49:27.233 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 15:49:27.233 INFO [stderr] 
Dec 12 15:49:27.245 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:49:27.245 INFO [stderr]   --> src/core/diplomat.rs:50:13
Dec 12 15:49:27.245 INFO [stderr]    |
Dec 12 15:49:27.245 INFO [stderr] 50 |         let mut discovery_uri: String;
Dec 12 15:49:27.245 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 12 15:49:27.245 INFO [stderr]    |             |
Dec 12 15:49:27.245 INFO [stderr]    |             help: remove this `mut`
Dec 12 15:49:27.245 INFO [stderr]    |
Dec 12 15:49:27.245 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 15:49:27.246 INFO [stderr] 
Dec 12 15:49:27.261 INFO [stderr] warning: field is never used: `cache_ttl`
Dec 12 15:49:27.261 INFO [stderr]   --> src/core/diplomat.rs:32:5
Dec 12 15:49:27.261 INFO [stderr]    |
Dec 12 15:49:27.261 INFO [stderr] 32 |     cache_ttl: u16,
Dec 12 15:49:27.261 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 15:49:27.261 INFO [stderr]    |
Dec 12 15:49:27.261 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 15:49:27.261 INFO [stderr] 
Dec 12 15:49:27.294 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.10s
Dec 12 15:49:27.304 INFO [stderr] su: No module specific data is present
Dec 12 15:49:28.360 INFO running `"docker" "inspect" "357802afe157427ecca51abecb60c78c1b0dd2fcdb6029e68e33f62bb3500e7f"`
Dec 12 15:49:28.638 INFO running `"docker" "rm" "-f" "357802afe157427ecca51abecb60c78c1b0dd2fcdb6029e68e33f62bb3500e7f"`
Dec 12 15:49:28.978 INFO [stdout] 357802afe157427ecca51abecb60c78c1b0dd2fcdb6029e68e33f62bb3500e7f