Sep 04 11:01:55.863 INFO checking metrics-0.2.3 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 11:01:55.863 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 11:01:55.864 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:01:56.082 INFO blam! 480c338dbd5dcab13b2c4a10196868f1eb8fd5ea21cad3ca9074e9573aefb269
Sep 04 11:01:56.084 INFO running `"docker" "start" "-a" "480c338dbd5dcab13b2c4a10196868f1eb8fd5ea21cad3ca9074e9573aefb269"`
Sep 04 11:01:57.103 INFO kablam!     Checking metrics v0.2.3 (file:///source)
Sep 04 11:02:01.412 INFO kablam! warning: unused import: `iron::prelude::*`
Sep 04 11:02:01.412 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Sep 04 11:02:01.412 INFO kablam!    |
Sep 04 11:02:01.412 INFO kablam! 14 | use iron::prelude::*;
Sep 04 11:02:01.412 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Sep 04 11:02:01.413 INFO kablam!    |
Sep 04 11:02:01.413 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 11:02:01.413 INFO kablam! 
Sep 04 11:02:01.414 INFO kablam! warning: unused import: `iron::status`
Sep 04 11:02:01.414 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Sep 04 11:02:01.414 INFO kablam!    |
Sep 04 11:02:01.414 INFO kablam! 15 | use iron::status;
Sep 04 11:02:01.414 INFO kablam!    |     ^^^^^^^^^^^^
Sep 04 11:02:01.414 INFO kablam! 
Sep 04 11:02:01.415 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Sep 04 11:02:01.415 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Sep 04 11:02:01.415 INFO kablam!    |
Sep 04 11:02:01.415 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Sep 04 11:02:01.415 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Sep 04 11:02:01.416 INFO kablam! 
Sep 04 11:02:01.416 INFO kablam! warning: unused import: `std::collections::HashMap`
Sep 04 11:02:01.416 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Sep 04 11:02:01.416 INFO kablam!    |
Sep 04 11:02:01.416 INFO kablam! 17 | use std::collections::HashMap;
Sep 04 11:02:01.416 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:02:01.417 INFO kablam! 
Sep 04 11:02:01.417 INFO kablam! warning: unused import: `histogram::Histogram`
Sep 04 11:02:01.417 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Sep 04 11:02:01.417 INFO kablam!    |
Sep 04 11:02:01.417 INFO kablam! 18 | use histogram::Histogram;
Sep 04 11:02:01.417 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 11:02:01.418 INFO kablam! 
Sep 04 11:02:01.418 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Sep 04 11:02:01.418 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Sep 04 11:02:01.418 INFO kablam!    |
Sep 04 11:02:01.418 INFO kablam! 19 | use metrics::reporter::Reporter;
Sep 04 11:02:01.418 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:02:01.419 INFO kablam! 
Sep 04 11:02:02.242 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
Sep 04 11:02:02.259 INFO kablam! su: No module specific data is present
Sep 04 11:02:02.815 INFO running `"docker" "rm" "-f" "480c338dbd5dcab13b2c4a10196868f1eb8fd5ea21cad3ca9074e9573aefb269"`
Sep 04 11:02:02.978 INFO blam! 480c338dbd5dcab13b2c4a10196868f1eb8fd5ea21cad3ca9074e9573aefb269