Dec 19 13:43:04.037 INFO checking lethe2211/iron_sample against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:43:04.037 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:43:04.288 INFO [stdout] aa45e327e4410080a14fddb5c12e9837c4b073b63661892fa165055e8c4d6849
Dec 19 13:43:04.290 INFO running `"docker" "start" "-a" "aa45e327e4410080a14fddb5c12e9837c4b073b63661892fa165055e8c4d6849"`
Dec 19 13:43:05.253 INFO [stderr]     Checking serde v1.0.2
Dec 19 13:43:05.270 INFO [stderr]     Checking openssl-sys v0.9.11
Dec 19 13:43:05.270 INFO [stderr]     Checking hyper v0.10.9
Dec 19 13:43:05.890 INFO [stderr]     Checking openssl v0.9.11
Dec 19 13:43:09.280 INFO [stderr]     Checking iron v0.5.1
Dec 19 13:43:09.704 INFO [stderr]     Checking native-tls v0.1.2
Dec 19 13:43:10.308 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 19 13:43:10.498 INFO [stderr]     Checking router v0.5.1
Dec 19 13:43:14.305 INFO [stderr]     Checking serde_json v1.0.1
Dec 19 13:43:16.256 INFO [stderr]     Checking iron_example v0.1.0 (/opt/crater/workdir)
Dec 19 13:43:16.791 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 13:43:16.791 INFO [stderr]  --> src/main.rs:7:5
Dec 19 13:43:16.791 INFO [stderr]   |
Dec 19 13:43:16.791 INFO [stderr] 7 | use std::collections::HashMap;
Dec 19 13:43:16.791 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:43:16.791 INFO [stderr]   |
Dec 19 13:43:16.791 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:43:16.791 INFO [stderr] 
Dec 19 13:43:16.791 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 13:43:16.791 INFO [stderr]  --> src/main.rs:9:5
Dec 19 13:43:16.792 INFO [stderr]   |
Dec 19 13:43:16.792 INFO [stderr] 9 | use std::convert::From;
Dec 19 13:43:16.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 13:43:16.792 INFO [stderr] 
Dec 19 13:43:16.792 INFO [stderr] warning: unused import: `Handler`
Dec 19 13:43:16.792 INFO [stderr]   --> src/main.rs:17:12
Dec 19 13:43:16.792 INFO [stderr]    |
Dec 19 13:43:16.792 INFO [stderr] 17 | use iron::{Handler};
Dec 19 13:43:16.792 INFO [stderr]    |            ^^^^^^^
Dec 19 13:43:16.792 INFO [stderr] 
Dec 19 13:43:16.792 INFO [stderr] warning: unused import: `Error`
Dec 19 13:43:16.792 INFO [stderr]   --> src/main.rs:22:25
Dec 19 13:43:16.792 INFO [stderr]    |
Dec 19 13:43:16.792 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 19 13:43:16.792 INFO [stderr]    |                         ^^^^^
Dec 19 13:43:16.792 INFO [stderr] 
Dec 19 13:43:16.852 INFO [stderr] warning: unused variable: `res`
Dec 19 13:43:16.852 INFO [stderr]   --> src/main.rs:39:17
Dec 19 13:43:16.852 INFO [stderr]    |
Dec 19 13:43:16.852 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 19 13:43:16.852 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 19 13:43:16.852 INFO [stderr]    |
Dec 19 13:43:16.855 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 13:43:16.855 INFO [stderr] 
Dec 19 13:43:16.855 INFO [stderr] warning: unused variable: `query`
Dec 19 13:43:16.855 INFO [stderr]   --> src/main.rs:52:17
Dec 19 13:43:16.855 INFO [stderr]    |
Dec 19 13:43:16.855 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 19 13:43:16.855 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 19 13:43:16.855 INFO [stderr] 
Dec 19 13:43:16.862 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:43:16.862 INFO [stderr]   --> src/main.rs:39:13
Dec 19 13:43:16.862 INFO [stderr]    |
Dec 19 13:43:16.862 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 19 13:43:16.862 INFO [stderr]    |             ----^^^
Dec 19 13:43:16.862 INFO [stderr]    |             |
Dec 19 13:43:16.862 INFO [stderr]    |             help: remove this `mut`
Dec 19 13:43:16.862 INFO [stderr]    |
Dec 19 13:43:16.862 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:43:16.862 INFO [stderr] 
Dec 19 13:43:16.900 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 13:43:16.900 INFO [stderr]  --> src/main.rs:7:5
Dec 19 13:43:16.900 INFO [stderr]   |
Dec 19 13:43:16.900 INFO [stderr] 7 | use std::collections::HashMap;
Dec 19 13:43:16.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:43:16.900 INFO [stderr]   |
Dec 19 13:43:16.900 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:43:16.900 INFO [stderr] 
Dec 19 13:43:16.900 INFO [stderr] warning: unused import: `std::convert::From`
Dec 19 13:43:16.900 INFO [stderr]  --> src/main.rs:9:5
Dec 19 13:43:16.900 INFO [stderr]   |
Dec 19 13:43:16.900 INFO [stderr] 9 | use std::convert::From;
Dec 19 13:43:16.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 13:43:16.900 INFO [stderr] 
Dec 19 13:43:16.900 INFO [stderr] warning: unused import: `Handler`
Dec 19 13:43:16.900 INFO [stderr]   --> src/main.rs:17:12
Dec 19 13:43:16.900 INFO [stderr]    |
Dec 19 13:43:16.900 INFO [stderr] 17 | use iron::{Handler};
Dec 19 13:43:16.900 INFO [stderr]    |            ^^^^^^^
Dec 19 13:43:16.900 INFO [stderr] 
Dec 19 13:43:16.900 INFO [stderr] warning: unused import: `Error`
Dec 19 13:43:16.900 INFO [stderr]   --> src/main.rs:22:25
Dec 19 13:43:16.900 INFO [stderr]    |
Dec 19 13:43:16.901 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 19 13:43:16.901 INFO [stderr]    |                         ^^^^^
Dec 19 13:43:16.901 INFO [stderr] 
Dec 19 13:43:16.960 INFO [stderr] warning: unused variable: `res`
Dec 19 13:43:16.960 INFO [stderr]   --> src/main.rs:39:17
Dec 19 13:43:16.960 INFO [stderr]    |
Dec 19 13:43:16.960 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 19 13:43:16.960 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 19 13:43:16.960 INFO [stderr]    |
Dec 19 13:43:16.960 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 13:43:16.960 INFO [stderr] 
Dec 19 13:43:16.960 INFO [stderr] warning: unused variable: `query`
Dec 19 13:43:16.960 INFO [stderr]   --> src/main.rs:52:17
Dec 19 13:43:16.960 INFO [stderr]    |
Dec 19 13:43:16.960 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 19 13:43:16.960 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 19 13:43:16.960 INFO [stderr] 
Dec 19 13:43:16.966 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:43:16.966 INFO [stderr]   --> src/main.rs:39:13
Dec 19 13:43:16.966 INFO [stderr]    |
Dec 19 13:43:16.966 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 19 13:43:16.966 INFO [stderr]    |             ----^^^
Dec 19 13:43:16.966 INFO [stderr]    |             |
Dec 19 13:43:16.966 INFO [stderr]    |             help: remove this `mut`
Dec 19 13:43:16.966 INFO [stderr]    |
Dec 19 13:43:16.966 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:43:16.966 INFO [stderr] 
Dec 19 13:43:17.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.85s
Dec 19 13:43:17.994 INFO running `"docker" "inspect" "aa45e327e4410080a14fddb5c12e9837c4b073b63661892fa165055e8c4d6849"`
Dec 19 13:43:18.288 INFO running `"docker" "rm" "-f" "aa45e327e4410080a14fddb5c12e9837c4b073b63661892fa165055e8c4d6849"`
Dec 19 13:43:18.608 INFO [stdout] aa45e327e4410080a14fddb5c12e9837c4b073b63661892fa165055e8c4d6849