Dec 05 14:23:35.888 INFO checking duckdns-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:23:35.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 14:23:36.343 INFO [stdout] 2d1cb67795f2293415e68976b4730a2401609a3d1e4f8ffd4248c417ff30014e
Dec 05 14:23:36.351 INFO running `"docker" "start" "-a" "2d1cb67795f2293415e68976b4730a2401609a3d1e4f8ffd4248c417ff30014e"`
Dec 05 14:23:37.318 INFO [stderr] usermod: no changes
Dec 05 14:23:37.670 INFO [stderr]    Compiling syn v0.14.9
Dec 05 14:23:37.676 INFO [stderr]     Checking error-chain v0.11.0
Dec 05 14:23:37.691 INFO [stderr]     Checking duckdns v0.1.1 (/source)
Dec 05 14:23:50.171 INFO [stderr]    Compiling derive-error-chain v0.11.2
Dec 05 14:23:56.692 INFO [stderr]     Checking dotenv v0.11.0
Dec 05 14:24:08.135 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 14:24:08.135 INFO [stderr]  --> examples/update.rs:6:5
Dec 05 14:24:08.135 INFO [stderr]   |
Dec 05 14:24:08.135 INFO [stderr] 6 | /     duckdns::DuckDns::new(token)
Dec 05 14:24:08.135 INFO [stderr] 7 | |         .domains("duckdns-rs")
Dec 05 14:24:08.135 INFO [stderr] 8 | |         .ipv4("123.45.67.89")
Dec 05 14:24:08.135 INFO [stderr] 9 | |         .update();
Dec 05 14:24:08.135 INFO [stderr]   | |__________________^
Dec 05 14:24:08.135 INFO [stderr]   |
Dec 05 14:24:08.135 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 14:24:08.135 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 14:24:08.135 INFO [stderr] 
Dec 05 14:24:08.150 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.80s
Dec 05 14:24:08.165 INFO [stderr] su: No module specific data is present
Dec 05 14:24:08.441 INFO running `"docker" "inspect" "2d1cb67795f2293415e68976b4730a2401609a3d1e4f8ffd4248c417ff30014e"`
Dec 05 14:24:08.539 INFO running `"docker" "rm" "-f" "2d1cb67795f2293415e68976b4730a2401609a3d1e4f8ffd4248c417ff30014e"`
Dec 05 14:24:08.773 INFO [stdout] 2d1cb67795f2293415e68976b4730a2401609a3d1e4f8ffd4248c417ff30014e