Dec 18 09:53:31.029 INFO checking twilio-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:53:31.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/twilio/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:53:31.517 INFO [stdout] 804e768cdbc694fd5330cbb1f188cbd41cb813f94776110205fda8188c8caa59
Dec 18 09:53:31.520 INFO running `"docker" "start" "-a" "804e768cdbc694fd5330cbb1f188cbd41cb813f94776110205fda8188c8caa59"`
Dec 18 09:53:33.609 INFO [stderr]     Checking error-chain v0.10.0
Dec 18 09:53:33.614 INFO [stderr]     Checking twilio v0.1.2 (/opt/crater/workdir)
Dec 18 09:53:34.688 INFO [stderr]     Checking dotenv v0.10.1
Dec 18 09:53:35.452 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:53:35.452 INFO [stderr]   --> src/lib.rs:72:13
Dec 18 09:53:35.452 INFO [stderr]    |
Dec 18 09:53:35.452 INFO [stderr] 72 |         let mut http_client = hyper::Client::with_connector(connector);
Dec 18 09:53:35.452 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 18 09:53:35.452 INFO [stderr]    |             |
Dec 18 09:53:35.452 INFO [stderr]    |             help: remove this `mut`
Dec 18 09:53:35.452 INFO [stderr]    |
Dec 18 09:53:35.452 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 09:53:35.452 INFO [stderr] 
Dec 18 09:53:37.599 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:53:37.599 INFO [stderr]   --> src/lib.rs:72:13
Dec 18 09:53:37.599 INFO [stderr]    |
Dec 18 09:53:37.599 INFO [stderr] 72 |         let mut http_client = hyper::Client::with_connector(connector);
Dec 18 09:53:37.599 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 18 09:53:37.600 INFO [stderr]    |             |
Dec 18 09:53:37.600 INFO [stderr]    |             help: remove this `mut`
Dec 18 09:53:37.600 INFO [stderr]    |
Dec 18 09:53:37.600 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 09:53:37.600 INFO [stderr] 
Dec 18 09:53:39.935 INFO [stderr] warning: unused import: `Call`
Dec 18 09:53:39.935 INFO [stderr]  --> examples/call.rs:2:21
Dec 18 09:53:39.935 INFO [stderr]   |
Dec 18 09:53:39.935 INFO [stderr] 2 | use twilio::{Client,Call,OutboundCall};
Dec 18 09:53:39.935 INFO [stderr]   |                     ^^^^
Dec 18 09:53:39.935 INFO [stderr]   |
Dec 18 09:53:39.935 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 09:53:39.935 INFO [stderr] 
Dec 18 09:53:40.097 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
Dec 18 09:53:40.774 INFO running `"docker" "inspect" "804e768cdbc694fd5330cbb1f188cbd41cb813f94776110205fda8188c8caa59"`
Dec 18 09:53:41.120 INFO running `"docker" "rm" "-f" "804e768cdbc694fd5330cbb1f188cbd41cb813f94776110205fda8188c8caa59"`
Dec 18 09:53:41.368 INFO [stdout] 804e768cdbc694fd5330cbb1f188cbd41cb813f94776110205fda8188c8caa59