Sep 20 00:13:33.564 INFO checking metrics-0.2.3 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 00:13:33.564 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 00:13:33.564 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:13:33.787 INFO blam! 433691525adedc82ba7743e6c2b93b728df3bca1d184e26805e84d37b1dcd14f
Sep 20 00:13:33.789 INFO running `"docker" "start" "-a" "433691525adedc82ba7743e6c2b93b728df3bca1d184e26805e84d37b1dcd14f"`
Sep 20 00:13:35.017 INFO kablam! usermod: no changes
Sep 20 00:13:35.186 INFO kablam!     Checking histogram v0.6.9
Sep 20 00:13:35.728 INFO kablam!     Checking metrics v0.2.3 (/source)
Sep 20 00:13:38.846 INFO kablam! warning: unused import: `iron::prelude::*`
Sep 20 00:13:38.846 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Sep 20 00:13:38.846 INFO kablam!    |
Sep 20 00:13:38.846 INFO kablam! 14 | use iron::prelude::*;
Sep 20 00:13:38.846 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Sep 20 00:13:38.846 INFO kablam!    |
Sep 20 00:13:38.846 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 00:13:38.846 INFO kablam! 
Sep 20 00:13:38.846 INFO kablam! warning: unused import: `iron::status`
Sep 20 00:13:38.846 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Sep 20 00:13:38.846 INFO kablam!    |
Sep 20 00:13:38.846 INFO kablam! 15 | use iron::status;
Sep 20 00:13:38.846 INFO kablam!    |     ^^^^^^^^^^^^
Sep 20 00:13:38.846 INFO kablam! 
Sep 20 00:13:38.846 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Sep 20 00:13:38.846 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Sep 20 00:13:38.846 INFO kablam!    |
Sep 20 00:13:38.846 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Sep 20 00:13:38.846 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Sep 20 00:13:38.846 INFO kablam! 
Sep 20 00:13:38.846 INFO kablam! warning: unused import: `std::collections::HashMap`
Sep 20 00:13:38.846 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Sep 20 00:13:38.846 INFO kablam!    |
Sep 20 00:13:38.846 INFO kablam! 17 | use std::collections::HashMap;
Sep 20 00:13:38.846 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:13:38.846 INFO kablam! 
Sep 20 00:13:38.846 INFO kablam! warning: unused import: `histogram::Histogram`
Sep 20 00:13:38.846 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Sep 20 00:13:38.846 INFO kablam!    |
Sep 20 00:13:38.846 INFO kablam! 18 | use histogram::Histogram;
Sep 20 00:13:38.846 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 20 00:13:38.846 INFO kablam! 
Sep 20 00:13:38.846 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Sep 20 00:13:38.847 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Sep 20 00:13:38.847 INFO kablam!    |
Sep 20 00:13:38.847 INFO kablam! 19 | use metrics::reporter::Reporter;
Sep 20 00:13:38.847 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 00:13:38.847 INFO kablam! 
Sep 20 00:13:39.034 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
Sep 20 00:13:39.044 INFO kablam! su: No module specific data is present
Sep 20 00:13:40.140 INFO running `"docker" "rm" "-f" "433691525adedc82ba7743e6c2b93b728df3bca1d184e26805e84d37b1dcd14f"`
Sep 20 00:13:40.259 INFO blam! 433691525adedc82ba7743e6c2b93b728df3bca1d184e26805e84d37b1dcd14f