Nov 29 23:28:42.034 INFO checking lethe2211/iron_sample against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 23:28:42.034 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 23:28:42.415 INFO [stdout] 7dfe7712c5d0291b49c7fa2d57d0c7a4ab06c501f6021e2bc720ca02c014147a
Nov 29 23:28:42.418 INFO running `"docker" "start" "-a" "7dfe7712c5d0291b49c7fa2d57d0c7a4ab06c501f6021e2bc720ca02c014147a"`
Nov 29 23:28:43.876 INFO [stderr] usermod: no changes
Nov 29 23:28:44.068 INFO [stderr]     Checking serde v1.0.2
Nov 29 23:28:44.069 INFO [stderr]     Checking iron v0.5.1
Nov 29 23:28:45.894 INFO [stderr]     Checking router v0.5.1
Nov 29 23:28:54.087 INFO [stderr]     Checking serde_json v1.0.1
Nov 29 23:28:56.508 INFO [stderr]     Checking iron_example v0.1.0 (/source)
Nov 29 23:28:58.516 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 29 23:28:58.520 INFO [stderr]  --> src/main.rs:7:5
Nov 29 23:28:58.521 INFO [stderr]   |
Nov 29 23:28:58.521 INFO [stderr] 7 | use std::collections::HashMap;
Nov 29 23:28:58.521 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:28:58.521 INFO [stderr]   |
Nov 29 23:28:58.522 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 23:28:58.522 INFO [stderr] 
Nov 29 23:28:58.522 INFO [stderr] warning: unused import: `std::convert::From`
Nov 29 23:28:58.522 INFO [stderr]  --> src/main.rs:9:5
Nov 29 23:28:58.523 INFO [stderr]   |
Nov 29 23:28:58.523 INFO [stderr] 9 | use std::convert::From;
Nov 29 23:28:58.523 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 29 23:28:58.523 INFO [stderr] 
Nov 29 23:28:58.524 INFO [stderr] warning: unused import: `Handler`
Nov 29 23:28:58.524 INFO [stderr]   --> src/main.rs:17:12
Nov 29 23:28:58.524 INFO [stderr]    |
Nov 29 23:28:58.525 INFO [stderr] 17 | use iron::{Handler};
Nov 29 23:28:58.525 INFO [stderr]    |            ^^^^^^^
Nov 29 23:28:58.525 INFO [stderr] 
Nov 29 23:28:58.525 INFO [stderr] warning: unused import: `Error`
Nov 29 23:28:58.525 INFO [stderr]   --> src/main.rs:22:25
Nov 29 23:28:58.526 INFO [stderr]    |
Nov 29 23:28:58.526 INFO [stderr] 22 | use serde_json::{Value, Error};
Nov 29 23:28:58.526 INFO [stderr]    |                         ^^^^^
Nov 29 23:28:58.526 INFO [stderr] 
Nov 29 23:28:58.598 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 29 23:28:58.598 INFO [stderr]  --> src/main.rs:7:5
Nov 29 23:28:58.598 INFO [stderr]   |
Nov 29 23:28:58.599 INFO [stderr] 7 | use std::collections::HashMap;
Nov 29 23:28:58.599 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:28:58.599 INFO [stderr]   |
Nov 29 23:28:58.600 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 23:28:58.600 INFO [stderr] 
Nov 29 23:28:58.600 INFO [stderr] warning: unused import: `std::convert::From`
Nov 29 23:28:58.601 INFO [stderr]  --> src/main.rs:9:5
Nov 29 23:28:58.601 INFO [stderr]   |
Nov 29 23:28:58.601 INFO [stderr] 9 | use std::convert::From;
Nov 29 23:28:58.602 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 29 23:28:58.602 INFO [stderr] 
Nov 29 23:28:58.602 INFO [stderr] warning: unused import: `Handler`
Nov 29 23:28:58.603 INFO [stderr]   --> src/main.rs:17:12
Nov 29 23:28:58.603 INFO [stderr]    |
Nov 29 23:28:58.603 INFO [stderr] 17 | use iron::{Handler};
Nov 29 23:28:58.603 INFO [stderr]    |            ^^^^^^^
Nov 29 23:28:58.604 INFO [stderr] 
Nov 29 23:28:58.604 INFO [stderr] warning: unused import: `Error`
Nov 29 23:28:58.604 INFO [stderr]   --> src/main.rs:22:25
Nov 29 23:28:58.605 INFO [stderr]    |
Nov 29 23:28:58.605 INFO [stderr] 22 | use serde_json::{Value, Error};
Nov 29 23:28:58.605 INFO [stderr]    |                         ^^^^^
Nov 29 23:28:58.606 INFO [stderr] 
Nov 29 23:28:58.622 INFO [stderr] warning: unused variable: `res`
Nov 29 23:28:58.622 INFO [stderr]   --> src/main.rs:39:17
Nov 29 23:28:58.623 INFO [stderr]    |
Nov 29 23:28:58.623 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 29 23:28:58.623 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Nov 29 23:28:58.624 INFO [stderr]    |
Nov 29 23:28:58.624 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:28:58.624 INFO [stderr] 
Nov 29 23:28:58.624 INFO [stderr] warning: unused variable: `query`
Nov 29 23:28:58.625 INFO [stderr]   --> src/main.rs:52:17
Nov 29 23:28:58.625 INFO [stderr]    |
Nov 29 23:28:58.625 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Nov 29 23:28:58.626 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Nov 29 23:28:58.626 INFO [stderr] 
Nov 29 23:28:58.644 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:28:58.644 INFO [stderr]   --> src/main.rs:39:13
Nov 29 23:28:58.645 INFO [stderr]    |
Nov 29 23:28:58.645 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 29 23:28:58.645 INFO [stderr]    |             ----^^^
Nov 29 23:28:58.645 INFO [stderr]    |             |
Nov 29 23:28:58.645 INFO [stderr]    |             help: remove this `mut`
Nov 29 23:28:58.645 INFO [stderr]    |
Nov 29 23:28:58.646 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:28:58.646 INFO [stderr] 
Nov 29 23:28:58.716 INFO [stderr] warning: unused variable: `res`
Nov 29 23:28:58.716 INFO [stderr]   --> src/main.rs:39:17
Nov 29 23:28:58.716 INFO [stderr]    |
Nov 29 23:28:58.716 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 29 23:28:58.716 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Nov 29 23:28:58.716 INFO [stderr]    |
Nov 29 23:28:58.716 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:28:58.716 INFO [stderr] 
Nov 29 23:28:58.716 INFO [stderr] warning: unused variable: `query`
Nov 29 23:28:58.716 INFO [stderr]   --> src/main.rs:52:17
Nov 29 23:28:58.716 INFO [stderr]    |
Nov 29 23:28:58.716 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Nov 29 23:28:58.716 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Nov 29 23:28:58.716 INFO [stderr] 
Nov 29 23:28:58.723 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:28:58.723 INFO [stderr]   --> src/main.rs:39:13
Nov 29 23:28:58.723 INFO [stderr]    |
Nov 29 23:28:58.723 INFO [stderr] 39 |         let mut res = client.get(url)
Nov 29 23:28:58.723 INFO [stderr]    |             ----^^^
Nov 29 23:28:58.723 INFO [stderr]    |             |
Nov 29 23:28:58.723 INFO [stderr]    |             help: remove this `mut`
Nov 29 23:28:58.723 INFO [stderr]    |
Nov 29 23:28:58.723 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:28:58.723 INFO [stderr] 
Nov 29 23:28:58.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.83s
Nov 29 23:28:58.756 INFO [stderr] su: No module specific data is present
Nov 29 23:29:00.029 INFO running `"docker" "inspect" "7dfe7712c5d0291b49c7fa2d57d0c7a4ab06c501f6021e2bc720ca02c014147a"`
Nov 29 23:29:00.364 INFO running `"docker" "rm" "-f" "7dfe7712c5d0291b49c7fa2d57d0c7a4ab06c501f6021e2bc720ca02c014147a"`
Nov 29 23:29:00.748 INFO [stdout] 7dfe7712c5d0291b49c7fa2d57d0c7a4ab06c501f6021e2bc720ca02c014147a