Dec 17 20:46:51.287 INFO checking lethe2211/iron_sample against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:46:51.287 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/lethe2211/iron_sample:/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 20:46:51.546 INFO [stdout] 4ae163f2c1d046c4df83f81a93ef8fe6c83dab20556e1b91eff1087574927652
Dec 17 20:46:51.548 INFO running `"docker" "start" "-a" "4ae163f2c1d046c4df83f81a93ef8fe6c83dab20556e1b91eff1087574927652"`
Dec 17 20:46:53.233 INFO [stderr]    Compiling openssl v0.9.11
Dec 17 20:46:53.237 INFO [stderr]     Checking serde v1.0.2
Dec 17 20:46:53.240 INFO [stderr]    Compiling openssl-sys v0.9.11
Dec 17 20:46:53.241 INFO [stderr]    Compiling hyper v0.10.9
Dec 17 20:46:57.843 INFO [stderr]     Checking iron v0.5.1
Dec 17 20:46:58.273 INFO [stderr]     Checking native-tls v0.1.2
Dec 17 20:46:58.708 INFO [stderr]     Checking router v0.5.1
Dec 17 20:46:58.719 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 17 20:47:01.774 INFO [stderr]     Checking serde_json v1.0.1
Dec 17 20:47:03.689 INFO [stderr]     Checking iron_example v0.1.0 (/opt/crater/workdir)
Dec 17 20:47:04.086 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 17 20:47:04.086 INFO [stderr]  --> src/main.rs:7:5
Dec 17 20:47:04.086 INFO [stderr]   |
Dec 17 20:47:04.086 INFO [stderr] 7 | use std::collections::HashMap;
Dec 17 20:47:04.086 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:47:04.086 INFO [stderr]   |
Dec 17 20:47:04.086 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:47:04.087 INFO [stderr] 
Dec 17 20:47:04.087 INFO [stderr] warning: unused import: `std::convert::From`
Dec 17 20:47:04.087 INFO [stderr]  --> src/main.rs:9:5
Dec 17 20:47:04.087 INFO [stderr]   |
Dec 17 20:47:04.087 INFO [stderr] 9 | use std::convert::From;
Dec 17 20:47:04.087 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 20:47:04.087 INFO [stderr] 
Dec 17 20:47:04.087 INFO [stderr] warning: unused import: `Handler`
Dec 17 20:47:04.087 INFO [stderr]   --> src/main.rs:17:12
Dec 17 20:47:04.087 INFO [stderr]    |
Dec 17 20:47:04.087 INFO [stderr] 17 | use iron::{Handler};
Dec 17 20:47:04.087 INFO [stderr]    |            ^^^^^^^
Dec 17 20:47:04.087 INFO [stderr] 
Dec 17 20:47:04.087 INFO [stderr] warning: unused import: `Error`
Dec 17 20:47:04.087 INFO [stderr]   --> src/main.rs:22:25
Dec 17 20:47:04.087 INFO [stderr]    |
Dec 17 20:47:04.087 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 17 20:47:04.087 INFO [stderr]    |                         ^^^^^
Dec 17 20:47:04.087 INFO [stderr] 
Dec 17 20:47:04.132 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 17 20:47:04.132 INFO [stderr]  --> src/main.rs:7:5
Dec 17 20:47:04.132 INFO [stderr]   |
Dec 17 20:47:04.132 INFO [stderr] 7 | use std::collections::HashMap;
Dec 17 20:47:04.132 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:47:04.132 INFO [stderr]   |
Dec 17 20:47:04.132 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:47:04.132 INFO [stderr] 
Dec 17 20:47:04.132 INFO [stderr] warning: unused import: `std::convert::From`
Dec 17 20:47:04.132 INFO [stderr]  --> src/main.rs:9:5
Dec 17 20:47:04.132 INFO [stderr]   |
Dec 17 20:47:04.132 INFO [stderr] 9 | use std::convert::From;
Dec 17 20:47:04.133 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 20:47:04.133 INFO [stderr] 
Dec 17 20:47:04.133 INFO [stderr] warning: unused import: `Handler`
Dec 17 20:47:04.133 INFO [stderr]   --> src/main.rs:17:12
Dec 17 20:47:04.133 INFO [stderr]    |
Dec 17 20:47:04.133 INFO [stderr] 17 | use iron::{Handler};
Dec 17 20:47:04.133 INFO [stderr]    |            ^^^^^^^
Dec 17 20:47:04.133 INFO [stderr] 
Dec 17 20:47:04.133 INFO [stderr] warning: unused import: `Error`
Dec 17 20:47:04.133 INFO [stderr]   --> src/main.rs:22:25
Dec 17 20:47:04.133 INFO [stderr]    |
Dec 17 20:47:04.133 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 17 20:47:04.133 INFO [stderr]    |                         ^^^^^
Dec 17 20:47:04.133 INFO [stderr] 
Dec 17 20:47:04.163 INFO [stderr] warning: unused variable: `res`
Dec 17 20:47:04.163 INFO [stderr]   --> src/main.rs:39:17
Dec 17 20:47:04.163 INFO [stderr]    |
Dec 17 20:47:04.163 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 17 20:47:04.163 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 17 20:47:04.163 INFO [stderr]    |
Dec 17 20:47:04.163 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:47:04.163 INFO [stderr] 
Dec 17 20:47:04.163 INFO [stderr] warning: unused variable: `query`
Dec 17 20:47:04.163 INFO [stderr]   --> src/main.rs:52:17
Dec 17 20:47:04.163 INFO [stderr]    |
Dec 17 20:47:04.163 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 17 20:47:04.163 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 17 20:47:04.163 INFO [stderr] 
Dec 17 20:47:04.170 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:47:04.170 INFO [stderr]   --> src/main.rs:39:13
Dec 17 20:47:04.170 INFO [stderr]    |
Dec 17 20:47:04.170 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 17 20:47:04.170 INFO [stderr]    |             ----^^^
Dec 17 20:47:04.172 INFO [stderr]    |             |
Dec 17 20:47:04.172 INFO [stderr]    |             help: remove this `mut`
Dec 17 20:47:04.173 INFO [stderr]    |
Dec 17 20:47:04.173 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:47:04.173 INFO [stderr] 
Dec 17 20:47:04.178 INFO [stderr] warning: unused variable: `res`
Dec 17 20:47:04.178 INFO [stderr]   --> src/main.rs:39:17
Dec 17 20:47:04.178 INFO [stderr]    |
Dec 17 20:47:04.179 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 17 20:47:04.179 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 17 20:47:04.179 INFO [stderr]    |
Dec 17 20:47:04.179 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:47:04.180 INFO [stderr] 
Dec 17 20:47:04.180 INFO [stderr] warning: unused variable: `query`
Dec 17 20:47:04.180 INFO [stderr]   --> src/main.rs:52:17
Dec 17 20:47:04.180 INFO [stderr]    |
Dec 17 20:47:04.181 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 17 20:47:04.181 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 17 20:47:04.181 INFO [stderr] 
Dec 17 20:47:04.189 INFO [stderr] warning: variable does not need to be mutable
Dec 17 20:47:04.189 INFO [stderr]   --> src/main.rs:39:13
Dec 17 20:47:04.190 INFO [stderr]    |
Dec 17 20:47:04.190 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 17 20:47:04.190 INFO [stderr]    |             ----^^^
Dec 17 20:47:04.190 INFO [stderr]    |             |
Dec 17 20:47:04.191 INFO [stderr]    |             help: remove this `mut`
Dec 17 20:47:04.191 INFO [stderr]    |
Dec 17 20:47:04.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 20:47:04.192 INFO [stderr] 
Dec 17 20:47:04.253 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.14s
Dec 17 20:47:05.641 INFO running `"docker" "inspect" "4ae163f2c1d046c4df83f81a93ef8fe6c83dab20556e1b91eff1087574927652"`
Dec 17 20:47:05.926 INFO running `"docker" "rm" "-f" "4ae163f2c1d046c4df83f81a93ef8fe6c83dab20556e1b91eff1087574927652"`
Dec 17 20:47:06.248 INFO [stdout] 4ae163f2c1d046c4df83f81a93ef8fe6c83dab20556e1b91eff1087574927652