Jul 12 04:21:40.934 INFO checking metrics-0.2.3 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 04:21:40.934 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 04:21:40.935 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 04:21:40.935 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-1/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 04:21:41.219 INFO blam! 1d29eb20402565b46ac2cbc161e66aacf9760b86b7c69f7139fee97fed29d65e
Jul 12 04:21:41.222 INFO running `"docker" "start" "-a" "1d29eb20402565b46ac2cbc161e66aacf9760b86b7c69f7139fee97fed29d65e"`
Jul 12 04:21:42.319 INFO kablam!     Checking metrics v0.2.3 (file:///source)
Jul 12 04:21:46.086 INFO kablam! warning: unused import: `iron::prelude::*`
Jul 12 04:21:46.086 INFO kablam!   --> examples/web_server_with_debug_port.rs:14:5
Jul 12 04:21:46.086 INFO kablam!    |
Jul 12 04:21:46.086 INFO kablam! 14 | use iron::prelude::*;
Jul 12 04:21:46.086 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Jul 12 04:21:46.104 INFO kablam!    |
Jul 12 04:21:46.105 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 12 04:21:46.105 INFO kablam! 
Jul 12 04:21:46.106 INFO kablam! warning: unused import: `iron::status`
Jul 12 04:21:46.106 INFO kablam!   --> examples/web_server_with_debug_port.rs:15:5
Jul 12 04:21:46.106 INFO kablam!    |
Jul 12 04:21:46.106 INFO kablam! 15 | use iron::status;
Jul 12 04:21:46.106 INFO kablam!    |     ^^^^^^^^^^^^
Jul 12 04:21:46.106 INFO kablam! 
Jul 12 04:21:46.107 INFO kablam! warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Jul 12 04:21:46.107 INFO kablam!   --> examples/web_server_with_debug_port.rs:16:24
Jul 12 04:21:46.107 INFO kablam!    |
Jul 12 04:21:46.107 INFO kablam! 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Jul 12 04:21:46.107 INFO kablam!    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Jul 12 04:21:46.107 INFO kablam! 
Jul 12 04:21:46.108 INFO kablam! warning: unused import: `std::collections::HashMap`
Jul 12 04:21:46.108 INFO kablam!   --> examples/web_server_with_debug_port.rs:17:5
Jul 12 04:21:46.108 INFO kablam!    |
Jul 12 04:21:46.108 INFO kablam! 17 | use std::collections::HashMap;
Jul 12 04:21:46.108 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 04:21:46.109 INFO kablam! 
Jul 12 04:21:46.109 INFO kablam! warning: unused import: `histogram::Histogram`
Jul 12 04:21:46.109 INFO kablam!   --> examples/web_server_with_debug_port.rs:18:5
Jul 12 04:21:46.109 INFO kablam!    |
Jul 12 04:21:46.109 INFO kablam! 18 | use histogram::Histogram;
Jul 12 04:21:46.109 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Jul 12 04:21:46.110 INFO kablam! 
Jul 12 04:21:46.110 INFO kablam! warning: unused import: `metrics::reporter::Reporter`
Jul 12 04:21:46.110 INFO kablam!   --> examples/web_server_with_debug_port.rs:19:5
Jul 12 04:21:46.110 INFO kablam!    |
Jul 12 04:21:46.110 INFO kablam! 19 | use metrics::reporter::Reporter;
Jul 12 04:21:46.110 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 04:21:46.111 INFO kablam! 
Jul 12 04:21:46.914 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
Jul 12 04:21:46.931 INFO kablam! su: No module specific data is present
Jul 12 04:21:47.448 INFO running `"docker" "rm" "-f" "1d29eb20402565b46ac2cbc161e66aacf9760b86b7c69f7139fee97fed29d65e"`
Jul 12 04:21:47.600 INFO blam! 1d29eb20402565b46ac2cbc161e66aacf9760b86b7c69f7139fee97fed29d65e