Nov 01 19:52:33.878 INFO checking metrics-0.2.3 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 19:52:33.878 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 19:52:34.195 INFO blam! 0476d508cb52fccc9183a4f704e9bb97ca3dd7e4f371b33152ad26eb40476e38
Nov 01 19:52:34.198 INFO running `"docker" "start" "-a" "0476d508cb52fccc9183a4f704e9bb97ca3dd7e4f371b33152ad26eb40476e38"`
Nov 01 19:52:34.793 INFO kablam! usermod: no changes
Nov 01 19:52:34.921 INFO kablam!     Checking histogram v0.6.9
Nov 01 19:52:34.936 INFO kablam!     Checking iron v0.5.1
Nov 01 19:52:36.069 INFO kablam!     Checking metrics v0.2.3 (/source)
Nov 01 19:52:42.960 INFO kablam! warning: unused import: `iron::prelude::*`
Nov 01 19:52:42.960 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Nov 01 19:52:42.960 INFO kablam!    |
Nov 01 19:52:42.960 INFO kablam! 14 | use iron::prelude::*;
Nov 01 19:52:42.960 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 19:52:42.960 INFO kablam!    |
Nov 01 19:52:42.960 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 19:52:42.960 INFO kablam! 
Nov 01 19:52:42.960 INFO kablam! warning: unused import: `iron::status`
Nov 01 19:52:42.960 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Nov 01 19:52:42.960 INFO kablam!    |
Nov 01 19:52:42.960 INFO kablam! 15 | use iron::status;
Nov 01 19:52:42.961 INFO kablam!    |     ^^^^^^^^^^^^
Nov 01 19:52:42.962 INFO kablam! 
Nov 01 19:52:42.962 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Nov 01 19:52:42.962 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Nov 01 19:52:42.962 INFO kablam!    |
Nov 01 19:52:42.962 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Nov 01 19:52:42.962 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Nov 01 19:52:42.962 INFO kablam! 
Nov 01 19:52:42.962 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 19:52:42.962 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Nov 01 19:52:42.962 INFO kablam!    |
Nov 01 19:52:42.962 INFO kablam! 17 | use std::collections::HashMap;
Nov 01 19:52:42.962 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:52:42.968 INFO kablam! 
Nov 01 19:52:42.968 INFO kablam! warning: unused import: `histogram::Histogram`
Nov 01 19:52:42.968 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Nov 01 19:52:42.968 INFO kablam!    |
Nov 01 19:52:42.968 INFO kablam! 18 | use histogram::Histogram;
Nov 01 19:52:42.968 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 19:52:42.968 INFO kablam! 
Nov 01 19:52:42.968 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Nov 01 19:52:42.968 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Nov 01 19:52:42.968 INFO kablam!    |
Nov 01 19:52:42.968 INFO kablam! 19 | use metrics::reporter::Reporter;
Nov 01 19:52:42.968 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:52:42.968 INFO kablam! 
Nov 01 19:52:43.165 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
Nov 01 19:52:43.178 INFO kablam! su: No module specific data is present
Nov 01 19:52:44.059 INFO running `"docker" "rm" "-f" "0476d508cb52fccc9183a4f704e9bb97ca3dd7e4f371b33152ad26eb40476e38"`
Nov 01 19:52:44.360 INFO blam! 0476d508cb52fccc9183a4f704e9bb97ca3dd7e4f371b33152ad26eb40476e38