Aug 17 17:07:59.659 INFO checking metrics-0.2.3 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 17:07:59.659 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 17:07:59.659 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 17:07:59.659 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-3/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 17:07:59.886 INFO blam! 072e9e62bd0dba829a0ef1d32391bbea38face8fa2839770b125d6d179248253
Aug 17 17:07:59.889 INFO running `"docker" "start" "-a" "072e9e62bd0dba829a0ef1d32391bbea38face8fa2839770b125d6d179248253"`
Aug 17 17:08:00.946 INFO kablam!     Checking histogram v0.6.9
Aug 17 17:08:01.684 INFO kablam!     Checking metrics v0.2.3 (file:///source)
Aug 17 17:08:08.108 INFO kablam! warning: unused import: `iron::prelude::*`
Aug 17 17:08:08.108 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Aug 17 17:08:08.108 INFO kablam!    |
Aug 17 17:08:08.108 INFO kablam! 14 | use iron::prelude::*;
Aug 17 17:08:08.108 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Aug 17 17:08:08.109 INFO kablam!    |
Aug 17 17:08:08.109 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 17 17:08:08.109 INFO kablam! 
Aug 17 17:08:08.109 INFO kablam! warning: unused import: `iron::status`
Aug 17 17:08:08.109 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Aug 17 17:08:08.109 INFO kablam!    |
Aug 17 17:08:08.109 INFO kablam! 15 | use iron::status;
Aug 17 17:08:08.109 INFO kablam!    |     ^^^^^^^^^^^^
Aug 17 17:08:08.109 INFO kablam! 
Aug 17 17:08:08.109 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Aug 17 17:08:08.109 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Aug 17 17:08:08.109 INFO kablam!    |
Aug 17 17:08:08.109 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Aug 17 17:08:08.109 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Aug 17 17:08:08.110 INFO kablam! 
Aug 17 17:08:08.110 INFO kablam! warning: unused import: `std::collections::HashMap`
Aug 17 17:08:08.110 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Aug 17 17:08:08.110 INFO kablam!    |
Aug 17 17:08:08.110 INFO kablam! 17 | use std::collections::HashMap;
Aug 17 17:08:08.110 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:08:08.110 INFO kablam! 
Aug 17 17:08:08.110 INFO kablam! warning: unused import: `histogram::Histogram`
Aug 17 17:08:08.110 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Aug 17 17:08:08.110 INFO kablam!    |
Aug 17 17:08:08.110 INFO kablam! 18 | use histogram::Histogram;
Aug 17 17:08:08.110 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Aug 17 17:08:08.110 INFO kablam! 
Aug 17 17:08:08.110 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Aug 17 17:08:08.110 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Aug 17 17:08:08.110 INFO kablam!    |
Aug 17 17:08:08.110 INFO kablam! 19 | use metrics::reporter::Reporter;
Aug 17 17:08:08.111 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 17:08:08.111 INFO kablam! 
Aug 17 17:08:08.620 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
Aug 17 17:08:08.634 INFO kablam! su: No module specific data is present
Aug 17 17:08:09.118 INFO running `"docker" "rm" "-f" "072e9e62bd0dba829a0ef1d32391bbea38face8fa2839770b125d6d179248253"`
Aug 17 17:08:09.278 INFO blam! 072e9e62bd0dba829a0ef1d32391bbea38face8fa2839770b125d6d179248253