Dec 05 05:01:39.692 INFO checking twilio-0.1.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 05:01:39.693 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 05:01:40.110 INFO [stdout] 772eb92789c7acf36361cc7f5892626dde62cba830c26c5dc6dcca7f3c3a06e8
Dec 05 05:01:40.116 INFO running `"docker" "start" "-a" "772eb92789c7acf36361cc7f5892626dde62cba830c26c5dc6dcca7f3c3a06e8"`
Dec 05 05:01:41.538 INFO [stderr] usermod: no changes
Dec 05 05:01:41.857 INFO [stderr]     Checking error-chain v0.10.0
Dec 05 05:01:41.876 INFO [stderr]     Checking twilio v0.1.2 (/source)
Dec 05 05:01:43.008 INFO [stderr]     Checking dotenv v0.10.1
Dec 05 05:01:46.728 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:01:46.728 INFO [stderr]   --> src/lib.rs:72:13
Dec 05 05:01:46.728 INFO [stderr]    |
Dec 05 05:01:46.728 INFO [stderr] 72 |         let mut http_client = hyper::Client::with_connector(connector);
Dec 05 05:01:46.728 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 05:01:46.728 INFO [stderr]    |             |
Dec 05 05:01:46.728 INFO [stderr]    |             help: remove this `mut`
Dec 05 05:01:46.728 INFO [stderr]    |
Dec 05 05:01:46.729 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 05:01:46.729 INFO [stderr] 
Dec 05 05:01:53.775 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:01:53.775 INFO [stderr]   --> src/lib.rs:72:13
Dec 05 05:01:53.775 INFO [stderr]    |
Dec 05 05:01:53.775 INFO [stderr] 72 |         let mut http_client = hyper::Client::with_connector(connector);
Dec 05 05:01:53.776 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 05:01:53.776 INFO [stderr]    |             |
Dec 05 05:01:53.776 INFO [stderr]    |             help: remove this `mut`
Dec 05 05:01:53.776 INFO [stderr]    |
Dec 05 05:01:53.777 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 05:01:53.777 INFO [stderr] 
Dec 05 05:01:59.531 INFO [stderr] warning: unused import: `Call`
Dec 05 05:01:59.531 INFO [stderr]  --> examples/call.rs:2:21
Dec 05 05:01:59.531 INFO [stderr]   |
Dec 05 05:01:59.531 INFO [stderr] 2 | use twilio::{Client,Call,OutboundCall};
Dec 05 05:01:59.531 INFO [stderr]   |                     ^^^^
Dec 05 05:01:59.536 INFO [stderr]   |
Dec 05 05:01:59.537 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 05:01:59.537 INFO [stderr] 
Dec 05 05:02:00.747 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.17s
Dec 05 05:02:00.763 INFO [stderr] su: No module specific data is present
Dec 05 05:02:01.576 INFO running `"docker" "inspect" "772eb92789c7acf36361cc7f5892626dde62cba830c26c5dc6dcca7f3c3a06e8"`
Dec 05 05:02:01.851 INFO running `"docker" "rm" "-f" "772eb92789c7acf36361cc7f5892626dde62cba830c26c5dc6dcca7f3c3a06e8"`
Dec 05 05:02:02.150 INFO [stdout] 772eb92789c7acf36361cc7f5892626dde62cba830c26c5dc6dcca7f3c3a06e8