Dec 11 14:49:32.130 INFO checking lethe2211/iron_sample against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:49:32.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 11 14:49:32.432 INFO [stdout] 5439449e2537a5d88be60b97870f6d87ab6da9af5e11b524e3ad8cef1034d7b8
Dec 11 14:49:32.438 INFO running `"docker" "start" "-a" "5439449e2537a5d88be60b97870f6d87ab6da9af5e11b524e3ad8cef1034d7b8"`
Dec 11 14:49:33.483 INFO [stderr] usermod: no changes
Dec 11 14:49:33.748 INFO [stderr]    Compiling openssl v0.9.11
Dec 11 14:49:33.769 INFO [stderr]     Checking serde v1.0.2
Dec 11 14:49:33.785 INFO [stderr]    Compiling openssl-sys v0.9.11
Dec 11 14:49:33.865 INFO [stderr]     Checking hyper v0.10.9
Dec 11 14:49:38.448 INFO [stderr]     Checking iron v0.5.1
Dec 11 14:49:40.796 INFO [stderr]     Checking router v0.5.1
Dec 11 14:49:43.086 INFO [stderr]     Checking native-tls v0.1.2
Dec 11 14:49:44.294 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 11 14:49:47.213 INFO [stderr]     Checking serde_json v1.0.1
Dec 11 14:49:49.370 INFO [stderr]     Checking iron_example v0.1.0 (/source)
Dec 11 14:49:51.545 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 14:49:51.546 INFO [stderr]  --> src/main.rs:7:5
Dec 11 14:49:51.546 INFO [stderr]   |
Dec 11 14:49:51.546 INFO [stderr] 7 | use std::collections::HashMap;
Dec 11 14:49:51.546 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:49:51.546 INFO [stderr]   |
Dec 11 14:49:51.546 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:49:51.546 INFO [stderr] 
Dec 11 14:49:51.546 INFO [stderr] warning: unused import: `std::convert::From`
Dec 11 14:49:51.548 INFO [stderr]  --> src/main.rs:9:5
Dec 11 14:49:51.548 INFO [stderr]   |
Dec 11 14:49:51.548 INFO [stderr] 9 | use std::convert::From;
Dec 11 14:49:51.548 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:49:51.548 INFO [stderr] 
Dec 11 14:49:51.548 INFO [stderr] warning: unused import: `Handler`
Dec 11 14:49:51.548 INFO [stderr]   --> src/main.rs:17:12
Dec 11 14:49:51.548 INFO [stderr]    |
Dec 11 14:49:51.548 INFO [stderr] 17 | use iron::{Handler};
Dec 11 14:49:51.548 INFO [stderr]    |            ^^^^^^^
Dec 11 14:49:51.548 INFO [stderr] 
Dec 11 14:49:51.548 INFO [stderr] warning: unused import: `Error`
Dec 11 14:49:51.548 INFO [stderr]   --> src/main.rs:22:25
Dec 11 14:49:51.548 INFO [stderr]    |
Dec 11 14:49:51.548 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 11 14:49:51.548 INFO [stderr]    |                         ^^^^^
Dec 11 14:49:51.548 INFO [stderr] 
Dec 11 14:49:51.693 INFO [stderr] warning: unused variable: `res`
Dec 11 14:49:51.693 INFO [stderr]   --> src/main.rs:39:17
Dec 11 14:49:51.693 INFO [stderr]    |
Dec 11 14:49:51.693 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 11 14:49:51.693 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 11 14:49:51.693 INFO [stderr]    |
Dec 11 14:49:51.693 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 14:49:51.693 INFO [stderr] 
Dec 11 14:49:51.693 INFO [stderr] warning: unused variable: `query`
Dec 11 14:49:51.693 INFO [stderr]   --> src/main.rs:52:17
Dec 11 14:49:51.693 INFO [stderr]    |
Dec 11 14:49:51.693 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 11 14:49:51.693 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 11 14:49:51.693 INFO [stderr] 
Dec 11 14:49:51.701 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:49:51.701 INFO [stderr]   --> src/main.rs:39:13
Dec 11 14:49:51.701 INFO [stderr]    |
Dec 11 14:49:51.701 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 11 14:49:51.701 INFO [stderr]    |             ----^^^
Dec 11 14:49:51.701 INFO [stderr]    |             |
Dec 11 14:49:51.701 INFO [stderr]    |             help: remove this `mut`
Dec 11 14:49:51.701 INFO [stderr]    |
Dec 11 14:49:51.701 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 14:49:51.701 INFO [stderr] 
Dec 11 14:49:51.820 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 14:49:51.821 INFO [stderr]  --> src/main.rs:7:5
Dec 11 14:49:51.821 INFO [stderr]   |
Dec 11 14:49:51.821 INFO [stderr] 7 | use std::collections::HashMap;
Dec 11 14:49:51.821 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:49:51.821 INFO [stderr]   |
Dec 11 14:49:51.821 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:49:51.821 INFO [stderr] 
Dec 11 14:49:51.821 INFO [stderr] warning: unused import: `std::convert::From`
Dec 11 14:49:51.821 INFO [stderr]  --> src/main.rs:9:5
Dec 11 14:49:51.821 INFO [stderr]   |
Dec 11 14:49:51.821 INFO [stderr] 9 | use std::convert::From;
Dec 11 14:49:51.821 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:49:51.821 INFO [stderr] 
Dec 11 14:49:51.821 INFO [stderr] warning: unused import: `Handler`
Dec 11 14:49:51.821 INFO [stderr]   --> src/main.rs:17:12
Dec 11 14:49:51.821 INFO [stderr]    |
Dec 11 14:49:51.821 INFO [stderr] 17 | use iron::{Handler};
Dec 11 14:49:51.821 INFO [stderr]    |            ^^^^^^^
Dec 11 14:49:51.821 INFO [stderr] 
Dec 11 14:49:51.821 INFO [stderr] warning: unused import: `Error`
Dec 11 14:49:51.821 INFO [stderr]   --> src/main.rs:22:25
Dec 11 14:49:51.821 INFO [stderr]    |
Dec 11 14:49:51.821 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 11 14:49:51.821 INFO [stderr]    |                         ^^^^^
Dec 11 14:49:51.821 INFO [stderr] 
Dec 11 14:49:51.868 INFO [stderr] warning: unused variable: `res`
Dec 11 14:49:51.869 INFO [stderr]   --> src/main.rs:39:17
Dec 11 14:49:51.869 INFO [stderr]    |
Dec 11 14:49:51.869 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 11 14:49:51.869 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 11 14:49:51.869 INFO [stderr]    |
Dec 11 14:49:51.876 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 14:49:51.876 INFO [stderr] 
Dec 11 14:49:51.876 INFO [stderr] warning: unused variable: `query`
Dec 11 14:49:51.876 INFO [stderr]   --> src/main.rs:52:17
Dec 11 14:49:51.876 INFO [stderr]    |
Dec 11 14:49:51.876 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 11 14:49:51.876 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 11 14:49:51.876 INFO [stderr] 
Dec 11 14:49:51.878 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:49:51.878 INFO [stderr]   --> src/main.rs:39:13
Dec 11 14:49:51.878 INFO [stderr]    |
Dec 11 14:49:51.878 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 11 14:49:51.878 INFO [stderr]    |             ----^^^
Dec 11 14:49:51.878 INFO [stderr]    |             |
Dec 11 14:49:51.878 INFO [stderr]    |             help: remove this `mut`
Dec 11 14:49:51.878 INFO [stderr]    |
Dec 11 14:49:51.878 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 14:49:51.878 INFO [stderr] 
Dec 11 14:49:51.921 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.41s
Dec 11 14:49:51.933 INFO [stderr] su: No module specific data is present
Dec 11 14:49:52.900 INFO running `"docker" "inspect" "5439449e2537a5d88be60b97870f6d87ab6da9af5e11b524e3ad8cef1034d7b8"`
Dec 11 14:49:53.186 INFO running `"docker" "rm" "-f" "5439449e2537a5d88be60b97870f6d87ab6da9af5e11b524e3ad8cef1034d7b8"`
Dec 11 14:49:53.512 INFO [stdout] 5439449e2537a5d88be60b97870f6d87ab6da9af5e11b524e3ad8cef1034d7b8