Dec 12 11:29:29.372 INFO checking metrics-0.2.3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 11:29:29.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 11:29:29.610 INFO [stdout] a09c607d06ad35040b2a9c206c4a170f271b711a29596d2bbccd36010e28b5fc
Dec 12 11:29:29.612 INFO running `"docker" "start" "-a" "a09c607d06ad35040b2a9c206c4a170f271b711a29596d2bbccd36010e28b5fc"`
Dec 12 11:29:30.207 INFO [stderr] usermod: no changes
Dec 12 11:29:30.320 INFO [stderr]     Checking histogram v0.6.9
Dec 12 11:29:30.883 INFO [stderr]     Checking metrics v0.2.3 (/source)
Dec 12 11:29:35.865 INFO [stderr] warning: unused import: `iron::prelude::*`
Dec 12 11:29:35.865 INFO [stderr]   --> examples/web_server_with_debug_port.rs:14:5
Dec 12 11:29:35.865 INFO [stderr]    |
Dec 12 11:29:35.865 INFO [stderr] 14 | use iron::prelude::*;
Dec 12 11:29:35.865 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 12 11:29:35.865 INFO [stderr]    |
Dec 12 11:29:35.865 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 11:29:35.865 INFO [stderr] 
Dec 12 11:29:35.865 INFO [stderr] warning: unused import: `iron::status`
Dec 12 11:29:35.865 INFO [stderr]   --> examples/web_server_with_debug_port.rs:15:5
Dec 12 11:29:35.865 INFO [stderr]    |
Dec 12 11:29:35.865 INFO [stderr] 15 | use iron::status;
Dec 12 11:29:35.865 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 12 11:29:35.865 INFO [stderr] 
Dec 12 11:29:35.865 INFO [stderr] warning: unused imports: `Counter`, `Gauge`, `Meter`, `Metric`, `StdCounter`, `StdGauge`, `StdMeter`
Dec 12 11:29:35.865 INFO [stderr]   --> examples/web_server_with_debug_port.rs:16:24
Dec 12 11:29:35.865 INFO [stderr]    |
Dec 12 11:29:35.865 INFO [stderr] 16 | use metrics::metrics::{Counter, Gauge, Meter, Metric, StdCounter, StdGauge, StdMeter};
Dec 12 11:29:35.866 INFO [stderr]    |                        ^^^^^^^  ^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^
Dec 12 11:29:35.866 INFO [stderr] 
Dec 12 11:29:35.866 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 12 11:29:35.866 INFO [stderr]   --> examples/web_server_with_debug_port.rs:17:5
Dec 12 11:29:35.866 INFO [stderr]    |
Dec 12 11:29:35.866 INFO [stderr] 17 | use std::collections::HashMap;
Dec 12 11:29:35.866 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:29:35.866 INFO [stderr] 
Dec 12 11:29:35.866 INFO [stderr] warning: unused import: `histogram::Histogram`
Dec 12 11:29:35.866 INFO [stderr]   --> examples/web_server_with_debug_port.rs:18:5
Dec 12 11:29:35.866 INFO [stderr]    |
Dec 12 11:29:35.866 INFO [stderr] 18 | use histogram::Histogram;
Dec 12 11:29:35.866 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:29:35.866 INFO [stderr] 
Dec 12 11:29:35.866 INFO [stderr] warning: unused import: `metrics::reporter::Reporter`
Dec 12 11:29:35.866 INFO [stderr]   --> examples/web_server_with_debug_port.rs:19:5
Dec 12 11:29:35.866 INFO [stderr]    |
Dec 12 11:29:35.866 INFO [stderr] 19 | use metrics::reporter::Reporter;
Dec 12 11:29:35.866 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:29:35.866 INFO [stderr] 
Dec 12 11:29:36.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 12 11:29:36.408 INFO [stderr] su: No module specific data is present
Dec 12 11:29:37.576 INFO running `"docker" "inspect" "a09c607d06ad35040b2a9c206c4a170f271b711a29596d2bbccd36010e28b5fc"`
Dec 12 11:29:37.846 INFO running `"docker" "rm" "-f" "a09c607d06ad35040b2a9c206c4a170f271b711a29596d2bbccd36010e28b5fc"`
Dec 12 11:29:38.248 INFO [stdout] a09c607d06ad35040b2a9c206c4a170f271b711a29596d2bbccd36010e28b5fc