Sep 06 03:50:59.176 INFO checking metrics-0.2.3 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 03:50:59.176 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 03:50:59.176 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:50:59.407 INFO blam! 0583f27a981cdae3cee330f241ac97cd443c5fd07da11771422e2e9af8a44c0f
Sep 06 03:50:59.409 INFO running `"docker" "start" "-a" "0583f27a981cdae3cee330f241ac97cd443c5fd07da11771422e2e9af8a44c0f"`
Sep 06 03:51:00.526 INFO kablam! usermod: no changes
Sep 06 03:51:00.786 INFO kablam!     Checking histogram v0.6.9
Sep 06 03:51:01.306 INFO kablam!     Checking metrics v0.2.3 (file:///source)
Sep 06 03:51:04.150 INFO kablam! warning: unused import: `iron::prelude::*`
Sep 06 03:51:04.150 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Sep 06 03:51:04.150 INFO kablam!    |
Sep 06 03:51:04.150 INFO kablam! 14 | use iron::prelude::*;
Sep 06 03:51:04.150 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Sep 06 03:51:04.150 INFO kablam!    |
Sep 06 03:51:04.150 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 03:51:04.150 INFO kablam! 
Sep 06 03:51:04.150 INFO kablam! warning: unused import: `iron::status`
Sep 06 03:51:04.150 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Sep 06 03:51:04.150 INFO kablam!    |
Sep 06 03:51:04.150 INFO kablam! 15 | use iron::status;
Sep 06 03:51:04.150 INFO kablam!    |     ^^^^^^^^^^^^
Sep 06 03:51:04.150 INFO kablam! 
Sep 06 03:51:04.151 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Sep 06 03:51:04.151 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Sep 06 03:51:04.151 INFO kablam!    |
Sep 06 03:51:04.151 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Sep 06 03:51:04.151 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Sep 06 03:51:04.151 INFO kablam! 
Sep 06 03:51:04.151 INFO kablam! warning: unused import: `std::collections::HashMap`
Sep 06 03:51:04.151 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Sep 06 03:51:04.151 INFO kablam!    |
Sep 06 03:51:04.151 INFO kablam! 17 | use std::collections::HashMap;
Sep 06 03:51:04.151 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:51:04.151 INFO kablam! 
Sep 06 03:51:04.151 INFO kablam! warning: unused import: `histogram::Histogram`
Sep 06 03:51:04.151 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Sep 06 03:51:04.151 INFO kablam!    |
Sep 06 03:51:04.151 INFO kablam! 18 | use histogram::Histogram;
Sep 06 03:51:04.151 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 03:51:04.151 INFO kablam! 
Sep 06 03:51:04.151 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Sep 06 03:51:04.151 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Sep 06 03:51:04.151 INFO kablam!    |
Sep 06 03:51:04.151 INFO kablam! 19 | use metrics::reporter::Reporter;
Sep 06 03:51:04.151 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:51:04.151 INFO kablam! 
Sep 06 03:51:04.482 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
Sep 06 03:51:04.494 INFO kablam! su: No module specific data is present
Sep 06 03:51:05.521 INFO running `"docker" "rm" "-f" "0583f27a981cdae3cee330f241ac97cd443c5fd07da11771422e2e9af8a44c0f"`
Sep 06 03:51:05.639 INFO blam! 0583f27a981cdae3cee330f241ac97cd443c5fd07da11771422e2e9af8a44c0f