Dec 04 15:14:34.627 INFO checking lethe2211/iron_sample against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:14:34.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 15:14:34.891 INFO [stdout] 74c85e5faa766b2720c3b77f36024f55c42038e7ff6f720c90a28f9d80692a8d
Dec 04 15:14:34.897 INFO running `"docker" "start" "-a" "74c85e5faa766b2720c3b77f36024f55c42038e7ff6f720c90a28f9d80692a8d"`
Dec 04 15:14:35.571 INFO [stderr] usermod: no changes
Dec 04 15:14:35.767 INFO [stderr]    Compiling openssl v0.9.11
Dec 04 15:14:35.779 INFO [stderr]     Checking serde v1.0.2
Dec 04 15:14:35.779 INFO [stderr]    Compiling openssl-sys v0.9.11
Dec 04 15:14:35.779 INFO [stderr]     Checking unsafe-any v0.4.1
Dec 04 15:14:35.783 INFO [stderr]    Compiling hyper v0.10.9
Dec 04 15:14:36.384 INFO [stderr]     Checking typemap v0.3.3
Dec 04 15:14:36.987 INFO [stderr]     Checking plugin v0.2.6
Dec 04 15:14:45.583 INFO [stderr]     Checking iron v0.5.1
Dec 04 15:14:46.748 INFO [stderr]     Checking native-tls v0.1.2
Dec 04 15:14:48.006 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 04 15:14:48.252 INFO [stderr]     Checking router v0.5.1
Dec 04 15:14:51.815 INFO [stderr]     Checking serde_json v1.0.1
Dec 04 15:14:53.987 INFO [stderr]     Checking iron_example v0.1.0 (/source)
Dec 04 15:14:55.467 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 15:14:55.467 INFO [stderr]  --> src/main.rs:7:5
Dec 04 15:14:55.467 INFO [stderr]   |
Dec 04 15:14:55.467 INFO [stderr] 7 | use std::collections::HashMap;
Dec 04 15:14:55.467 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:14:55.475 INFO [stderr]   |
Dec 04 15:14:55.475 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:14:55.475 INFO [stderr] 
Dec 04 15:14:55.475 INFO [stderr] warning: unused import: `std::convert::From`
Dec 04 15:14:55.475 INFO [stderr]  --> src/main.rs:9:5
Dec 04 15:14:55.475 INFO [stderr]   |
Dec 04 15:14:55.475 INFO [stderr] 9 | use std::convert::From;
Dec 04 15:14:55.475 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 15:14:55.475 INFO [stderr] 
Dec 04 15:14:55.475 INFO [stderr] warning: unused import: `Handler`
Dec 04 15:14:55.475 INFO [stderr]   --> src/main.rs:17:12
Dec 04 15:14:55.475 INFO [stderr]    |
Dec 04 15:14:55.475 INFO [stderr] 17 | use iron::{Handler};
Dec 04 15:14:55.475 INFO [stderr]    |            ^^^^^^^
Dec 04 15:14:55.475 INFO [stderr] 
Dec 04 15:14:55.476 INFO [stderr] warning: unused import: `Error`
Dec 04 15:14:55.476 INFO [stderr]   --> src/main.rs:22:25
Dec 04 15:14:55.476 INFO [stderr]    |
Dec 04 15:14:55.476 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 04 15:14:55.476 INFO [stderr]    |                         ^^^^^
Dec 04 15:14:55.476 INFO [stderr] 
Dec 04 15:14:55.594 INFO [stderr] warning: unused variable: `res`
Dec 04 15:14:55.595 INFO [stderr]   --> src/main.rs:39:17
Dec 04 15:14:55.595 INFO [stderr]    |
Dec 04 15:14:55.595 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 04 15:14:55.602 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 04 15:14:55.602 INFO [stderr]    |
Dec 04 15:14:55.602 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:14:55.602 INFO [stderr] 
Dec 04 15:14:55.602 INFO [stderr] warning: unused variable: `query`
Dec 04 15:14:55.602 INFO [stderr]   --> src/main.rs:52:17
Dec 04 15:14:55.602 INFO [stderr]    |
Dec 04 15:14:55.602 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 04 15:14:55.602 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 04 15:14:55.602 INFO [stderr] 
Dec 04 15:14:55.606 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:14:55.607 INFO [stderr]   --> src/main.rs:39:13
Dec 04 15:14:55.607 INFO [stderr]    |
Dec 04 15:14:55.607 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 04 15:14:55.607 INFO [stderr]    |             ----^^^
Dec 04 15:14:55.607 INFO [stderr]    |             |
Dec 04 15:14:55.607 INFO [stderr]    |             help: remove this `mut`
Dec 04 15:14:55.619 INFO [stderr]    |
Dec 04 15:14:55.635 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:14:55.635 INFO [stderr] 
Dec 04 15:14:55.843 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 15:14:55.843 INFO [stderr]  --> src/main.rs:7:5
Dec 04 15:14:55.843 INFO [stderr]   |
Dec 04 15:14:55.843 INFO [stderr] 7 | use std::collections::HashMap;
Dec 04 15:14:55.843 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:14:55.843 INFO [stderr]   |
Dec 04 15:14:55.843 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:14:55.843 INFO [stderr] 
Dec 04 15:14:55.843 INFO [stderr] warning: unused import: `std::convert::From`
Dec 04 15:14:55.843 INFO [stderr]  --> src/main.rs:9:5
Dec 04 15:14:55.843 INFO [stderr]   |
Dec 04 15:14:55.843 INFO [stderr] 9 | use std::convert::From;
Dec 04 15:14:55.843 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 15:14:55.843 INFO [stderr] 
Dec 04 15:14:55.843 INFO [stderr] warning: unused import: `Handler`
Dec 04 15:14:55.843 INFO [stderr]   --> src/main.rs:17:12
Dec 04 15:14:55.843 INFO [stderr]    |
Dec 04 15:14:55.843 INFO [stderr] 17 | use iron::{Handler};
Dec 04 15:14:55.843 INFO [stderr]    |            ^^^^^^^
Dec 04 15:14:55.843 INFO [stderr] 
Dec 04 15:14:55.843 INFO [stderr] warning: unused import: `Error`
Dec 04 15:14:55.843 INFO [stderr]   --> src/main.rs:22:25
Dec 04 15:14:55.843 INFO [stderr]    |
Dec 04 15:14:55.843 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 04 15:14:55.843 INFO [stderr]    |                         ^^^^^
Dec 04 15:14:55.843 INFO [stderr] 
Dec 04 15:14:55.911 INFO [stderr] warning: unused variable: `res`
Dec 04 15:14:55.911 INFO [stderr]   --> src/main.rs:39:17
Dec 04 15:14:55.911 INFO [stderr]    |
Dec 04 15:14:55.911 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 04 15:14:55.911 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 04 15:14:55.911 INFO [stderr]    |
Dec 04 15:14:55.911 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:14:55.911 INFO [stderr] 
Dec 04 15:14:55.911 INFO [stderr] warning: unused variable: `query`
Dec 04 15:14:55.911 INFO [stderr]   --> src/main.rs:52:17
Dec 04 15:14:55.911 INFO [stderr]    |
Dec 04 15:14:55.911 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 04 15:14:55.911 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 04 15:14:55.911 INFO [stderr] 
Dec 04 15:14:55.917 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:14:55.917 INFO [stderr]   --> src/main.rs:39:13
Dec 04 15:14:55.917 INFO [stderr]    |
Dec 04 15:14:55.917 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 04 15:14:55.917 INFO [stderr]    |             ----^^^
Dec 04 15:14:55.917 INFO [stderr]    |             |
Dec 04 15:14:55.917 INFO [stderr]    |             help: remove this `mut`
Dec 04 15:14:55.917 INFO [stderr]    |
Dec 04 15:14:55.917 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:14:55.917 INFO [stderr] 
Dec 04 15:14:55.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
Dec 04 15:14:55.987 INFO [stderr] su: No module specific data is present
Dec 04 15:14:56.717 INFO running `"docker" "inspect" "74c85e5faa766b2720c3b77f36024f55c42038e7ff6f720c90a28f9d80692a8d"`
Dec 04 15:14:56.979 INFO running `"docker" "rm" "-f" "74c85e5faa766b2720c3b77f36024f55c42038e7ff6f720c90a28f9d80692a8d"`
Dec 04 15:14:57.269 INFO [stdout] 74c85e5faa766b2720c3b77f36024f55c42038e7ff6f720c90a28f9d80692a8d