Nov 01 19:52:33.851 INFO checking metrics-0.2.3 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 19:52:33.851 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 19:52:34.146 INFO blam! ba5b314713037dd21a115467497e3640783af882881fda625e6765e78502060a
Nov 01 19:52:34.146 INFO running `"docker" "start" "-a" "ba5b314713037dd21a115467497e3640783af882881fda625e6765e78502060a"`
Nov 01 19:52:34.661 INFO kablam! usermod: no changes
Nov 01 19:52:34.808 INFO kablam!     Checking histogram v0.6.9
Nov 01 19:52:35.518 INFO kablam!     Checking metrics v0.2.3 (/source)
Nov 01 19:52:42.830 INFO kablam! warning: unused import: `iron::prelude::*`
Nov 01 19:52:42.830 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Nov 01 19:52:42.830 INFO kablam!    |
Nov 01 19:52:42.830 INFO kablam! 14 | use iron::prelude::*;
Nov 01 19:52:42.830 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 19:52:42.830 INFO kablam!    |
Nov 01 19:52:42.830 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 19:52:42.830 INFO kablam! 
Nov 01 19:52:42.832 INFO kablam! warning: unused import: `iron::status`
Nov 01 19:52:42.832 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Nov 01 19:52:42.832 INFO kablam!    |
Nov 01 19:52:42.832 INFO kablam! 15 | use iron::status;
Nov 01 19:52:42.832 INFO kablam!    |     ^^^^^^^^^^^^
Nov 01 19:52:42.832 INFO kablam! 
Nov 01 19:52:42.832 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Nov 01 19:52:42.832 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Nov 01 19:52:42.832 INFO kablam!    |
Nov 01 19:52:42.832 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Nov 01 19:52:42.832 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Nov 01 19:52:42.832 INFO kablam! 
Nov 01 19:52:42.832 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 19:52:42.832 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Nov 01 19:52:42.832 INFO kablam!    |
Nov 01 19:52:42.832 INFO kablam! 17 | use std::collections::HashMap;
Nov 01 19:52:42.832 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:52:42.832 INFO kablam! 
Nov 01 19:52:42.832 INFO kablam! warning: unused import: `histogram::Histogram`
Nov 01 19:52:42.832 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Nov 01 19:52:42.832 INFO kablam!    |
Nov 01 19:52:42.832 INFO kablam! 18 | use histogram::Histogram;
Nov 01 19:52:42.832 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 19:52:42.832 INFO kablam! 
Nov 01 19:52:42.832 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Nov 01 19:52:42.832 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Nov 01 19:52:42.832 INFO kablam!    |
Nov 01 19:52:42.832 INFO kablam! 19 | use metrics::reporter::Reporter;
Nov 01 19:52:42.832 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:52:42.832 INFO kablam! 
Nov 01 19:52:42.878 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
Nov 01 19:52:42.893 INFO kablam! su: No module specific data is present
Nov 01 19:52:43.849 INFO running `"docker" "rm" "-f" "ba5b314713037dd21a115467497e3640783af882881fda625e6765e78502060a"`
Nov 01 19:52:44.166 INFO blam! ba5b314713037dd21a115467497e3640783af882881fda625e6765e78502060a