Sep 02 07:37:59.071 INFO checking metrics-0.2.3 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 07:37:59.071 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 07:37:59.071 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 07:37:59.234 INFO blam! beafb54787aa04e068f83508a21a19f623b21527890dcfe3d134ea42c0ed2f27
Sep 02 07:37:59.236 INFO running `"docker" "start" "-a" "beafb54787aa04e068f83508a21a19f623b21527890dcfe3d134ea42c0ed2f27"`
Sep 02 07:38:00.055 INFO kablam!     Checking metrics v0.2.3 (file:///source)
Sep 02 07:38:03.649 INFO kablam! warning: unused import: `iron::prelude::*`
Sep 02 07:38:03.649 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Sep 02 07:38:03.649 INFO kablam!    |
Sep 02 07:38:03.649 INFO kablam! 14 | use iron::prelude::*;
Sep 02 07:38:03.649 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Sep 02 07:38:03.649 INFO kablam!    |
Sep 02 07:38:03.649 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 07:38:03.649 INFO kablam! 
Sep 02 07:38:03.649 INFO kablam! warning: unused import: `iron::status`
Sep 02 07:38:03.649 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Sep 02 07:38:03.649 INFO kablam!    |
Sep 02 07:38:03.649 INFO kablam! 15 | use iron::status;
Sep 02 07:38:03.649 INFO kablam!    |     ^^^^^^^^^^^^
Sep 02 07:38:03.649 INFO kablam! 
Sep 02 07:38:03.650 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Sep 02 07:38:03.650 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Sep 02 07:38:03.650 INFO kablam!    |
Sep 02 07:38:03.650 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Sep 02 07:38:03.650 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Sep 02 07:38:03.650 INFO kablam! 
Sep 02 07:38:03.650 INFO kablam! warning: unused import: `std::collections::HashMap`
Sep 02 07:38:03.650 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Sep 02 07:38:03.651 INFO kablam!    |
Sep 02 07:38:03.651 INFO kablam! 17 | use std::collections::HashMap;
Sep 02 07:38:03.651 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 07:38:03.651 INFO kablam! 
Sep 02 07:38:03.651 INFO kablam! warning: unused import: `histogram::Histogram`
Sep 02 07:38:03.651 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Sep 02 07:38:03.651 INFO kablam!    |
Sep 02 07:38:03.651 INFO kablam! 18 | use histogram::Histogram;
Sep 02 07:38:03.651 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Sep 02 07:38:03.651 INFO kablam! 
Sep 02 07:38:03.651 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Sep 02 07:38:03.651 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Sep 02 07:38:03.651 INFO kablam!    |
Sep 02 07:38:03.651 INFO kablam! 19 | use metrics::reporter::Reporter;
Sep 02 07:38:03.651 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 07:38:03.651 INFO kablam! 
Sep 02 07:38:03.843 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Sep 02 07:38:03.852 INFO kablam! su: No module specific data is present
Sep 02 07:38:04.335 INFO running `"docker" "rm" "-f" "beafb54787aa04e068f83508a21a19f623b21527890dcfe3d134ea42c0ed2f27"`
Sep 02 07:38:04.490 INFO blam! beafb54787aa04e068f83508a21a19f623b21527890dcfe3d134ea42c0ed2f27