Nov 07 12:12:14.378 INFO checking metrics-0.2.3 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 12:12:14.378 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 12:12:14.610 INFO blam! d85ecae4461971d906b0c16acb59abf03c5c6e175462f0f543b2149badf42fd8
Nov 07 12:12:14.612 INFO running `"docker" "start" "-a" "d85ecae4461971d906b0c16acb59abf03c5c6e175462f0f543b2149badf42fd8"`
Nov 07 12:12:15.207 INFO kablam! usermod: no changes
Nov 07 12:12:15.366 INFO kablam!     Checking histogram v0.6.9
Nov 07 12:12:15.963 INFO kablam!     Checking metrics v0.2.3 (/source)
Nov 07 12:12:20.645 INFO kablam! warning: unused import: `iron::prelude::*`
Nov 07 12:12:20.645 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Nov 07 12:12:20.645 INFO kablam!    |
Nov 07 12:12:20.645 INFO kablam! 14 | use iron::prelude::*;
Nov 07 12:12:20.645 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 07 12:12:20.645 INFO kablam!    |
Nov 07 12:12:20.645 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 07 12:12:20.645 INFO kablam! 
Nov 07 12:12:20.645 INFO kablam! warning: unused import: `iron::status`
Nov 07 12:12:20.645 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Nov 07 12:12:20.645 INFO kablam!    |
Nov 07 12:12:20.645 INFO kablam! 15 | use iron::status;
Nov 07 12:12:20.645 INFO kablam!    |     ^^^^^^^^^^^^
Nov 07 12:12:20.645 INFO kablam! 
Nov 07 12:12:20.645 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Nov 07 12:12:20.645 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Nov 07 12:12:20.645 INFO kablam!    |
Nov 07 12:12:20.646 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Nov 07 12:12:20.646 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Nov 07 12:12:20.646 INFO kablam! 
Nov 07 12:12:20.646 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 07 12:12:20.646 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Nov 07 12:12:20.646 INFO kablam!    |
Nov 07 12:12:20.646 INFO kablam! 17 | use std::collections::HashMap;
Nov 07 12:12:20.646 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 12:12:20.646 INFO kablam! 
Nov 07 12:12:20.646 INFO kablam! warning: unused import: `histogram::Histogram`
Nov 07 12:12:20.646 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Nov 07 12:12:20.646 INFO kablam!    |
Nov 07 12:12:20.646 INFO kablam! 18 | use histogram::Histogram;
Nov 07 12:12:20.646 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 07 12:12:20.646 INFO kablam! 
Nov 07 12:12:20.646 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Nov 07 12:12:20.646 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Nov 07 12:12:20.646 INFO kablam!    |
Nov 07 12:12:20.646 INFO kablam! 19 | use metrics::reporter::Reporter;
Nov 07 12:12:20.646 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 12:12:20.646 INFO kablam! 
Nov 07 12:12:20.908 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
Nov 07 12:12:20.920 INFO kablam! su: No module specific data is present
Nov 07 12:12:21.684 INFO running `"docker" "rm" "-f" "d85ecae4461971d906b0c16acb59abf03c5c6e175462f0f543b2149badf42fd8"`
Nov 07 12:12:22.005 INFO blam! d85ecae4461971d906b0c16acb59abf03c5c6e175462f0f543b2149badf42fd8