Nov 03 05:25:55.307 INFO checking metrics-0.2.3 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 05:25:55.307 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 05:25:55.625 INFO blam! e64639226d950359ba8eb649f407e12cffbaa67348df0e19460a6de77cb98cdc
Nov 03 05:25:55.627 INFO running `"docker" "start" "-a" "e64639226d950359ba8eb649f407e12cffbaa67348df0e19460a6de77cb98cdc"`
Nov 03 05:25:56.348 INFO kablam! usermod: no changes
Nov 03 05:25:56.480 INFO kablam!     Checking histogram v0.6.9
Nov 03 05:25:57.125 INFO kablam!     Checking metrics v0.2.3 (/source)
Nov 03 05:26:03.616 INFO kablam! warning: unused import: `iron::prelude::*`
Nov 03 05:26:03.616 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Nov 03 05:26:03.616 INFO kablam!    |
Nov 03 05:26:03.616 INFO kablam! 14 | use iron::prelude::*;
Nov 03 05:26:03.616 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 03 05:26:03.616 INFO kablam!    |
Nov 03 05:26:03.616 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 03 05:26:03.616 INFO kablam! 
Nov 03 05:26:03.616 INFO kablam! warning: unused import: `iron::status`
Nov 03 05:26:03.616 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Nov 03 05:26:03.616 INFO kablam!    |
Nov 03 05:26:03.616 INFO kablam! 15 | use iron::status;
Nov 03 05:26:03.616 INFO kablam!    |     ^^^^^^^^^^^^
Nov 03 05:26:03.616 INFO kablam! 
Nov 03 05:26:03.616 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Nov 03 05:26:03.617 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Nov 03 05:26:03.617 INFO kablam!    |
Nov 03 05:26:03.617 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Nov 03 05:26:03.617 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Nov 03 05:26:03.617 INFO kablam! 
Nov 03 05:26:03.617 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 03 05:26:03.617 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Nov 03 05:26:03.617 INFO kablam!    |
Nov 03 05:26:03.617 INFO kablam! 17 | use std::collections::HashMap;
Nov 03 05:26:03.617 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 05:26:03.617 INFO kablam! 
Nov 03 05:26:03.617 INFO kablam! warning: unused import: `histogram::Histogram`
Nov 03 05:26:03.617 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Nov 03 05:26:03.617 INFO kablam!    |
Nov 03 05:26:03.617 INFO kablam! 18 | use histogram::Histogram;
Nov 03 05:26:03.617 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 05:26:03.617 INFO kablam! 
Nov 03 05:26:03.617 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Nov 03 05:26:03.617 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Nov 03 05:26:03.617 INFO kablam!    |
Nov 03 05:26:03.617 INFO kablam! 19 | use metrics::reporter::Reporter;
Nov 03 05:26:03.617 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 05:26:03.617 INFO kablam! 
Nov 03 05:26:04.113 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.76s
Nov 03 05:26:04.129 INFO kablam! su: No module specific data is present
Nov 03 05:26:04.708 INFO running `"docker" "rm" "-f" "e64639226d950359ba8eb649f407e12cffbaa67348df0e19460a6de77cb98cdc"`
Nov 03 05:26:04.940 INFO blam! e64639226d950359ba8eb649f407e12cffbaa67348df0e19460a6de77cb98cdc