Sep 14 13:12:31.377 INFO checking metrics-0.2.3 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 13:12:31.377 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 13:12:31.377 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:12:31.733 INFO blam! d173c61aab20bf4e48b9a412b67d86457fe7acb3ddae7c5f9b39aeb4f31d9bfd
Sep 14 13:12:31.739 INFO running `"docker" "start" "-a" "d173c61aab20bf4e48b9a412b67d86457fe7acb3ddae7c5f9b39aeb4f31d9bfd"`
Sep 14 13:12:33.300 INFO kablam! usermod: no changes
Sep 14 13:12:33.447 INFO kablam!     Checking metrics v0.2.3 (file:///source)
Sep 14 13:12:35.788 INFO kablam! warning: unused import: `iron::prelude::*`
Sep 14 13:12:35.788 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Sep 14 13:12:35.788 INFO kablam!    |
Sep 14 13:12:35.788 INFO kablam! 14 | use iron::prelude::*;
Sep 14 13:12:35.788 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Sep 14 13:12:35.788 INFO kablam!    |
Sep 14 13:12:35.788 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 13:12:35.788 INFO kablam! 
Sep 14 13:12:35.788 INFO kablam! warning: unused import: `iron::status`
Sep 14 13:12:35.788 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Sep 14 13:12:35.788 INFO kablam!    |
Sep 14 13:12:35.788 INFO kablam! 15 | use iron::status;
Sep 14 13:12:35.788 INFO kablam!    |     ^^^^^^^^^^^^
Sep 14 13:12:35.788 INFO kablam! 
Sep 14 13:12:35.788 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Sep 14 13:12:35.788 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Sep 14 13:12:35.788 INFO kablam!    |
Sep 14 13:12:35.788 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Sep 14 13:12:35.788 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Sep 14 13:12:35.788 INFO kablam! 
Sep 14 13:12:35.788 INFO kablam! warning: unused import: `std::collections::HashMap`
Sep 14 13:12:35.788 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Sep 14 13:12:35.788 INFO kablam!    |
Sep 14 13:12:35.788 INFO kablam! 17 | use std::collections::HashMap;
Sep 14 13:12:35.788 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:12:35.788 INFO kablam! 
Sep 14 13:12:35.788 INFO kablam! warning: unused import: `histogram::Histogram`
Sep 14 13:12:35.788 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Sep 14 13:12:35.788 INFO kablam!    |
Sep 14 13:12:35.788 INFO kablam! 18 | use histogram::Histogram;
Sep 14 13:12:35.788 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 13:12:35.788 INFO kablam! 
Sep 14 13:12:35.788 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Sep 14 13:12:35.788 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Sep 14 13:12:35.789 INFO kablam!    |
Sep 14 13:12:35.789 INFO kablam! 19 | use metrics::reporter::Reporter;
Sep 14 13:12:35.789 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:12:35.789 INFO kablam! 
Sep 14 13:12:36.266 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
Sep 14 13:12:36.274 INFO kablam! su: No module specific data is present
Sep 14 13:12:37.865 INFO running `"docker" "rm" "-f" "d173c61aab20bf4e48b9a412b67d86457fe7acb3ddae7c5f9b39aeb4f31d9bfd"`
Sep 14 13:12:38.132 INFO blam! d173c61aab20bf4e48b9a412b67d86457fe7acb3ddae7c5f9b39aeb4f31d9bfd