Dec 13 12:51:26.870 INFO testing lethe2211/iron_sample against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 12:51:26.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 12:51:27.060 INFO [stdout] 272dab1fc4612edccbfe0319a7888f300114d81da96b75097bcd8a9a6bdd1d1f
Dec 13 12:51:27.062 INFO running `"docker" "start" "-a" "272dab1fc4612edccbfe0319a7888f300114d81da96b75097bcd8a9a6bdd1d1f"`
Dec 13 12:51:27.851 INFO [stderr] usermod: no changes
Dec 13 12:51:27.992 INFO [stderr]    Compiling serde v1.0.2
Dec 13 12:51:27.997 INFO [stderr]    Compiling iron v0.5.1
Dec 13 12:51:29.783 INFO [stderr]    Compiling router v0.5.1
Dec 13 12:51:37.395 INFO [stderr]    Compiling serde_json v1.0.1
Dec 13 12:51:42.081 INFO [stderr]    Compiling iron_example v0.1.0 (/source)
Dec 13 12:51:43.331 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 13 12:51:43.331 INFO [stderr]  --> src/main.rs:7:5
Dec 13 12:51:43.331 INFO [stderr]   |
Dec 13 12:51:43.331 INFO [stderr] 7 | use std::collections::HashMap;
Dec 13 12:51:43.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:51:43.332 INFO [stderr]   |
Dec 13 12:51:43.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 12:51:43.332 INFO [stderr] 
Dec 13 12:51:43.333 INFO [stderr] warning: unused import: `std::convert::From`
Dec 13 12:51:43.333 INFO [stderr]  --> src/main.rs:9:5
Dec 13 12:51:43.333 INFO [stderr]   |
Dec 13 12:51:43.333 INFO [stderr] 9 | use std::convert::From;
Dec 13 12:51:43.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 12:51:43.333 INFO [stderr] 
Dec 13 12:51:43.333 INFO [stderr] warning: unused import: `Handler`
Dec 13 12:51:43.333 INFO [stderr]   --> src/main.rs:17:12
Dec 13 12:51:43.333 INFO [stderr]    |
Dec 13 12:51:43.333 INFO [stderr] 17 | use iron::{Handler};
Dec 13 12:51:43.333 INFO [stderr]    |            ^^^^^^^
Dec 13 12:51:43.333 INFO [stderr] 
Dec 13 12:51:43.333 INFO [stderr] warning: unused import: `Error`
Dec 13 12:51:43.333 INFO [stderr]   --> src/main.rs:22:25
Dec 13 12:51:43.334 INFO [stderr]    |
Dec 13 12:51:43.334 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 13 12:51:43.334 INFO [stderr]    |                         ^^^^^
Dec 13 12:51:43.334 INFO [stderr] 
Dec 13 12:51:43.410 INFO [stderr] warning: unused variable: `res`
Dec 13 12:51:43.410 INFO [stderr]   --> src/main.rs:39:17
Dec 13 12:51:43.411 INFO [stderr]    |
Dec 13 12:51:43.411 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 13 12:51:43.415 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 13 12:51:43.415 INFO [stderr]    |
Dec 13 12:51:43.415 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 12:51:43.415 INFO [stderr] 
Dec 13 12:51:43.415 INFO [stderr] warning: unused variable: `query`
Dec 13 12:51:43.415 INFO [stderr]   --> src/main.rs:52:17
Dec 13 12:51:43.415 INFO [stderr]    |
Dec 13 12:51:43.415 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 13 12:51:43.415 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 13 12:51:43.415 INFO [stderr] 
Dec 13 12:51:43.417 INFO [stderr] warning: variable does not need to be mutable
Dec 13 12:51:43.418 INFO [stderr]   --> src/main.rs:39:13
Dec 13 12:51:43.418 INFO [stderr]    |
Dec 13 12:51:43.418 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 13 12:51:43.418 INFO [stderr]    |             ----^^^
Dec 13 12:51:43.418 INFO [stderr]    |             |
Dec 13 12:51:43.418 INFO [stderr]    |             help: remove this `mut`
Dec 13 12:51:43.419 INFO [stderr]    |
Dec 13 12:51:43.419 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 12:51:43.419 INFO [stderr] 
Dec 13 12:51:47.444 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.58s
Dec 13 12:51:47.456 INFO [stderr] su: No module specific data is present
Dec 13 12:51:48.539 INFO running `"docker" "inspect" "272dab1fc4612edccbfe0319a7888f300114d81da96b75097bcd8a9a6bdd1d1f"`
Dec 13 12:51:48.811 INFO running `"docker" "rm" "-f" "272dab1fc4612edccbfe0319a7888f300114d81da96b75097bcd8a9a6bdd1d1f"`
Dec 13 12:51:49.147 INFO [stdout] 272dab1fc4612edccbfe0319a7888f300114d81da96b75097bcd8a9a6bdd1d1f
Dec 13 12:51:49.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 12:51:49.715 INFO [stdout] 4fb0202d6e523321f2a94a53dba933ee3d751627abd6b3c61bfe449fe864c6f1
Dec 13 12:51:49.719 INFO running `"docker" "start" "-a" "4fb0202d6e523321f2a94a53dba933ee3d751627abd6b3c61bfe449fe864c6f1"`
Dec 13 12:51:51.002 INFO [stderr] usermod: no changes
Dec 13 12:51:51.227 INFO [stderr]    Compiling iron_example v0.1.0 (/source)
Dec 13 12:51:52.531 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 13 12:51:52.531 INFO [stderr]  --> src/main.rs:7:5
Dec 13 12:51:52.531 INFO [stderr]   |
Dec 13 12:51:52.531 INFO [stderr] 7 | use std::collections::HashMap;
Dec 13 12:51:52.531 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:51:52.531 INFO [stderr]   |
Dec 13 12:51:52.531 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 12:51:52.531 INFO [stderr] 
Dec 13 12:51:52.531 INFO [stderr] warning: unused import: `std::convert::From`
Dec 13 12:51:52.531 INFO [stderr]  --> src/main.rs:9:5
Dec 13 12:51:52.531 INFO [stderr]   |
Dec 13 12:51:52.531 INFO [stderr] 9 | use std::convert::From;
Dec 13 12:51:52.531 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 12:51:52.531 INFO [stderr] 
Dec 13 12:51:52.531 INFO [stderr] warning: unused import: `Handler`
Dec 13 12:51:52.531 INFO [stderr]   --> src/main.rs:17:12
Dec 13 12:51:52.531 INFO [stderr]    |
Dec 13 12:51:52.531 INFO [stderr] 17 | use iron::{Handler};
Dec 13 12:51:52.531 INFO [stderr]    |            ^^^^^^^
Dec 13 12:51:52.531 INFO [stderr] 
Dec 13 12:51:52.531 INFO [stderr] warning: unused import: `Error`
Dec 13 12:51:52.531 INFO [stderr]   --> src/main.rs:22:25
Dec 13 12:51:52.531 INFO [stderr]    |
Dec 13 12:51:52.531 INFO [stderr] 22 | use serde_json::{Value, Error};
Dec 13 12:51:52.531 INFO [stderr]    |                         ^^^^^
Dec 13 12:51:52.531 INFO [stderr] 
Dec 13 12:51:52.590 INFO [stderr] warning: unused variable: `res`
Dec 13 12:51:52.590 INFO [stderr]   --> src/main.rs:39:17
Dec 13 12:51:52.590 INFO [stderr]    |
Dec 13 12:51:52.590 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 13 12:51:52.590 INFO [stderr]    |                 ^^^ help: consider using `_res` instead
Dec 13 12:51:52.590 INFO [stderr]    |
Dec 13 12:51:52.590 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 12:51:52.590 INFO [stderr] 
Dec 13 12:51:52.590 INFO [stderr] warning: unused variable: `query`
Dec 13 12:51:52.590 INFO [stderr]   --> src/main.rs:52:17
Dec 13 12:51:52.590 INFO [stderr]    |
Dec 13 12:51:52.590 INFO [stderr] 52 |         let ref query = req.extensions.get::<Router>().unwrap().find("query").unwrap_or("/");
Dec 13 12:51:52.590 INFO [stderr]    |                 ^^^^^ help: consider using `_query` instead
Dec 13 12:51:52.590 INFO [stderr] 
Dec 13 12:51:52.598 INFO [stderr] warning: variable does not need to be mutable
Dec 13 12:51:52.598 INFO [stderr]   --> src/main.rs:39:13
Dec 13 12:51:52.598 INFO [stderr]    |
Dec 13 12:51:52.598 INFO [stderr] 39 |         let mut res = client.get(url)
Dec 13 12:51:52.598 INFO [stderr]    |             ----^^^
Dec 13 12:51:52.598 INFO [stderr]    |             |
Dec 13 12:51:52.598 INFO [stderr]    |             help: remove this `mut`
Dec 13 12:51:52.598 INFO [stderr]    |
Dec 13 12:51:52.599 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 12:51:52.599 INFO [stderr] 
Dec 13 12:51:53.127 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
Dec 13 12:51:53.134 INFO [stderr] su: No module specific data is present
Dec 13 12:51:53.987 INFO running `"docker" "inspect" "4fb0202d6e523321f2a94a53dba933ee3d751627abd6b3c61bfe449fe864c6f1"`
Dec 13 12:51:54.267 INFO running `"docker" "rm" "-f" "4fb0202d6e523321f2a94a53dba933ee3d751627abd6b3c61bfe449fe864c6f1"`
Dec 13 12:51:54.610 INFO [stdout] 4fb0202d6e523321f2a94a53dba933ee3d751627abd6b3c61bfe449fe864c6f1
Dec 13 12:51:54.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 12:51:55.040 INFO [stdout] b77ceaee34f07ec74152189302daed45835e8e6557f6288e35c2c933fcc7ac87
Dec 13 12:51:55.042 INFO running `"docker" "start" "-a" "b77ceaee34f07ec74152189302daed45835e8e6557f6288e35c2c933fcc7ac87"`
Dec 13 12:51:56.746 INFO [stderr] usermod: no changes
Dec 13 12:51:56.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 13 12:51:56.939 INFO [stderr]      Running /target/debug/deps/iron_example-ff15cd27676b1b1b
Dec 13 12:51:56.943 INFO [stdout] 
Dec 13 12:51:56.943 INFO [stdout] running 0 tests
Dec 13 12:51:56.943 INFO [stdout] 
Dec 13 12:51:56.943 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:51:56.943 INFO [stdout] 
Dec 13 12:51:56.943 INFO [stderr] su: No module specific data is present
Dec 13 12:51:57.676 INFO running `"docker" "inspect" "b77ceaee34f07ec74152189302daed45835e8e6557f6288e35c2c933fcc7ac87"`
Dec 13 12:51:57.975 INFO running `"docker" "rm" "-f" "b77ceaee34f07ec74152189302daed45835e8e6557f6288e35c2c933fcc7ac87"`
Dec 13 12:51:58.471 INFO [stdout] b77ceaee34f07ec74152189302daed45835e8e6557f6288e35c2c933fcc7ac87