Sep 21 07:04:22.593 INFO checking metrics-0.2.3 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 07:04:22.593 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 07:04:22.594 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 07:04:22.739 INFO blam! 7c6df00ef0b766fbd64ad2f96d589bf45bf31297354e5f1e4c271b44922df793
Sep 21 07:04:22.741 INFO running `"docker" "start" "-a" "7c6df00ef0b766fbd64ad2f96d589bf45bf31297354e5f1e4c271b44922df793"`
Sep 21 07:04:23.369 INFO kablam! usermod: no changes
Sep 21 07:04:23.495 INFO kablam!     Checking histogram v0.6.9
Sep 21 07:04:23.900 INFO kablam!     Checking metrics v0.2.3 (/source)
Sep 21 07:04:27.822 INFO kablam! warning: unused import: `iron::prelude::*`
Sep 21 07:04:27.822 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.822 INFO kablam! 14 | use iron::prelude::*;
Sep 21 07:04:27.822 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.822 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 07:04:27.822 INFO kablam! 
Sep 21 07:04:27.822 INFO kablam! warning: unused import: `iron::status`
Sep 21 07:04:27.822 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.822 INFO kablam! 15 | use iron::status;
Sep 21 07:04:27.822 INFO kablam!    |     ^^^^^^^^^^^^
Sep 21 07:04:27.822 INFO kablam! 
Sep 21 07:04:27.822 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Sep 21 07:04:27.822 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.822 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Sep 21 07:04:27.822 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Sep 21 07:04:27.822 INFO kablam! 
Sep 21 07:04:27.822 INFO kablam! warning: unused import: `std::collections::HashMap`
Sep 21 07:04:27.822 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.822 INFO kablam! 17 | use std::collections::HashMap;
Sep 21 07:04:27.822 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:04:27.822 INFO kablam! 
Sep 21 07:04:27.822 INFO kablam! warning: unused import: `histogram::Histogram`
Sep 21 07:04:27.822 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.822 INFO kablam! 18 | use histogram::Histogram;
Sep 21 07:04:27.822 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 21 07:04:27.822 INFO kablam! 
Sep 21 07:04:27.822 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Sep 21 07:04:27.822 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Sep 21 07:04:27.822 INFO kablam!    |
Sep 21 07:04:27.823 INFO kablam! 19 | use metrics::reporter::Reporter;
Sep 21 07:04:27.823 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:04:27.823 INFO kablam! 
Sep 21 07:04:27.898 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Sep 21 07:04:27.922 INFO kablam! su: No module specific data is present
Sep 21 07:04:29.091 INFO running `"docker" "rm" "-f" "7c6df00ef0b766fbd64ad2f96d589bf45bf31297354e5f1e4c271b44922df793"`
Sep 21 07:04:29.202 INFO blam! 7c6df00ef0b766fbd64ad2f96d589bf45bf31297354e5f1e4c271b44922df793