Nov 28 01:50:57.016 INFO checking lethe2211/iron_sample against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 01:50:57.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 28 01:50:57.436 INFO [stdout] 63fd1dab1c095af3db1d9c25cc367878d12399a3699645bbae43598293ef2688
Nov 28 01:50:57.440 INFO running `"docker" "start" "-a" "63fd1dab1c095af3db1d9c25cc367878d12399a3699645bbae43598293ef2688"`
Nov 28 01:50:58.496 INFO [stderr] usermod: no changes
Nov 28 01:50:58.692 INFO [stderr]     Checking serde v1.0.2
Nov 28 01:50:58.704 INFO [stderr]    Compiling hyper v0.10.9
Nov 28 01:50:58.716 INFO [stderr]     Checking openssl v0.9.11
Nov 28 01:51:04.380 INFO [stderr]     Checking native-tls v0.1.2
Nov 28 01:51:07.900 INFO [stderr]     Checking iron v0.5.1
Nov 28 01:51:07.901 INFO [stderr]     Checking hyper-native-tls v0.2.2
Nov 28 01:51:10.072 INFO [stderr]     Checking router v0.5.1
Nov 28 01:51:13.556 INFO [stderr]     Checking serde_json v1.0.1
Nov 28 01:51:16.162 INFO [stderr]     Checking iron_example v0.1.0 (/source)
Nov 28 01:51:17.401 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 28 01:51:17.401 INFO [stderr]  --> src/main.rs:7:5
Nov 28 01:51:17.401 INFO [stderr]   |
Nov 28 01:51:17.402 INFO [stderr] 7 | use std::collections::HashMap;
Nov 28 01:51:17.402 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:17.402 INFO [stderr]   |
Nov 28 01:51:17.402 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 01:51:17.403 INFO [stderr] 
Nov 28 01:51:17.403 INFO [stderr] warning: unused import: `std::convert::From`
Nov 28 01:51:17.403 INFO [stderr]  --> src/main.rs:9:5
Nov 28 01:51:17.404 INFO [stderr]   |
Nov 28 01:51:17.404 INFO [stderr] 9 | use std::convert::From;
Nov 28 01:51:17.404 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 01:51:17.404 INFO [stderr] 
Nov 28 01:51:17.405 INFO [stderr] warning: unused import: `Handler`
Nov 28 01:51:17.405 INFO [stderr]   --> src/main.rs:17:12
Nov 28 01:51:17.405 INFO [stderr]    |
Nov 28 01:51:17.405 INFO [stderr] 17 | use iron::{Handler};
Nov 28 01:51:17.405 INFO [stderr]    |            ^^^^^^^
Nov 28 01:51:17.405 INFO [stderr] 
Nov 28 01:51:17.406 INFO [stderr] warning: unused import: `Error`
Nov 28 01:51:17.406 INFO [stderr]   --> src/main.rs:22:25
Nov 28 01:51:17.406 INFO [stderr]    |
Nov 28 01:51:17.406 INFO [stderr] 22 | use serde_json::{Value, Error};
Nov 28 01:51:17.406 INFO [stderr]    |                         ^^^^^
Nov 28 01:51:17.407 INFO [stderr] 
Nov 28 01:51:17.465 INFO [stderr] warning: unused variable: `res`
Nov 28 01:51:17.465 INFO [stderr]   --> src/main.rs:39:17
Nov 28 01:51:17.465 INFO [stderr]    |
Nov 28 01:51:17.466 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 28 01:51:17.466 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Nov 28 01:51:17.466 INFO [stderr]    |
Nov 28 01:51:17.467 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 01:51:17.467 INFO [stderr] 
Nov 28 01:51:17.467 INFO [stderr] warning: unused variable: `query`
Nov 28 01:51:17.468 INFO [stderr]   --> src/main.rs:52:17
Nov 28 01:51:17.468 INFO [stderr]    |
Nov 28 01:51:17.468 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Nov 28 01:51:17.468 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Nov 28 01:51:17.469 INFO [stderr] 
Nov 28 01:51:17.469 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:51:17.469 INFO [stderr]   --> src/main.rs:39:13
Nov 28 01:51:17.470 INFO [stderr]    |
Nov 28 01:51:17.470 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 28 01:51:17.470 INFO [stderr]    |             ----^^^
Nov 28 01:51:17.471 INFO [stderr]    |             |
Nov 28 01:51:17.471 INFO [stderr]    |             help: remove this `mut`
Nov 28 01:51:17.471 INFO [stderr]    |
Nov 28 01:51:17.471 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:51:17.472 INFO [stderr] 
Nov 28 01:51:17.753 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 28 01:51:17.753 INFO [stderr]  --> src/main.rs:7:5
Nov 28 01:51:17.754 INFO [stderr]   |
Nov 28 01:51:17.754 INFO [stderr] 7 | use std::collections::HashMap;
Nov 28 01:51:17.754 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:17.755 INFO [stderr]   |
Nov 28 01:51:17.755 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 01:51:17.756 INFO [stderr] 
Nov 28 01:51:17.756 INFO [stderr] warning: unused import: `std::convert::From`
Nov 28 01:51:17.756 INFO [stderr]  --> src/main.rs:9:5
Nov 28 01:51:17.756 INFO [stderr]   |
Nov 28 01:51:17.757 INFO [stderr] 9 | use std::convert::From;
Nov 28 01:51:17.757 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 01:51:17.757 INFO [stderr] 
Nov 28 01:51:17.758 INFO [stderr] warning: unused import: `Handler`
Nov 28 01:51:17.758 INFO [stderr]   --> src/main.rs:17:12
Nov 28 01:51:17.758 INFO [stderr]    |
Nov 28 01:51:17.759 INFO [stderr] 17 | use iron::{Handler};
Nov 28 01:51:17.759 INFO [stderr]    |            ^^^^^^^
Nov 28 01:51:17.759 INFO [stderr] 
Nov 28 01:51:17.759 INFO [stderr] warning: unused import: `Error`
Nov 28 01:51:17.760 INFO [stderr]   --> src/main.rs:22:25
Nov 28 01:51:17.760 INFO [stderr]    |
Nov 28 01:51:17.760 INFO [stderr] 22 | use serde_json::{Value, Error};
Nov 28 01:51:17.761 INFO [stderr]    |                         ^^^^^
Nov 28 01:51:17.761 INFO [stderr] 
Nov 28 01:51:17.823 INFO [stderr] warning: unused variable: `res`
Nov 28 01:51:17.823 INFO [stderr]   --> src/main.rs:39:17
Nov 28 01:51:17.824 INFO [stderr]    |
Nov 28 01:51:17.824 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 28 01:51:17.824 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Nov 28 01:51:17.825 INFO [stderr]    |
Nov 28 01:51:17.825 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 01:51:17.825 INFO [stderr] 
Nov 28 01:51:17.825 INFO [stderr] warning: unused variable: `query`
Nov 28 01:51:17.826 INFO [stderr]   --> src/main.rs:52:17
Nov 28 01:51:17.826 INFO [stderr]    |
Nov 28 01:51:17.826 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Nov 28 01:51:17.827 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Nov 28 01:51:17.827 INFO [stderr] 
Nov 28 01:51:17.829 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:51:17.829 INFO [stderr]   --> src/main.rs:39:13
Nov 28 01:51:17.829 INFO [stderr]    |
Nov 28 01:51:17.829 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 28 01:51:17.829 INFO [stderr]    |             ----^^^
Nov 28 01:51:17.829 INFO [stderr]    |             |
Nov 28 01:51:17.829 INFO [stderr]    |             help: remove this `mut`
Nov 28 01:51:17.829 INFO [stderr]    |
Nov 28 01:51:17.829 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:51:17.829 INFO [stderr] 
Nov 28 01:51:17.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
Nov 28 01:51:17.873 INFO [stderr] su: No module specific data is present
Nov 28 01:51:18.801 INFO running `"docker" "inspect" "63fd1dab1c095af3db1d9c25cc367878d12399a3699645bbae43598293ef2688"`
Nov 28 01:51:19.142 INFO running `"docker" "rm" "-f" "63fd1dab1c095af3db1d9c25cc367878d12399a3699645bbae43598293ef2688"`
Nov 28 01:51:19.398 INFO [stdout] 63fd1dab1c095af3db1d9c25cc367878d12399a3699645bbae43598293ef2688