Dec 05 15:39:40.765 INFO checking cargo-travis-0.0.9 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 15:39:40.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 15:39:41.234 INFO [stdout] efa6cdbf45721adf19e3f23b7d79e19431d166cd49505def6adb94bd3cd242bd
Dec 05 15:39:41.236 INFO running `"docker" "start" "-a" "efa6cdbf45721adf19e3f23b7d79e19431d166cd49505def6adb94bd3cd242bd"`
Dec 05 15:39:43.862 INFO [stderr] usermod: no changes
Dec 05 15:39:44.151 INFO [stderr]     Checking serde_ignored v0.0.3
Dec 05 15:39:44.151 INFO [stderr]     Checking semver v0.7.0
Dec 05 15:39:44.159 INFO [stderr]     Checking globset v0.2.1
Dec 05 15:39:44.159 INFO [stderr]     Checking docopt v0.8.1
Dec 05 15:39:44.159 INFO [stderr]     Checking crates-io v0.11.0
Dec 05 15:39:44.159 INFO [stderr]     Checking git2-curl v0.7.0
Dec 05 15:39:51.164 INFO [stderr]     Checking ignore v0.2.2
Dec 05 15:39:54.769 INFO [stderr]     Checking cargo v0.22.0
Dec 05 15:40:10.279 INFO [stderr]     Checking cargo-travis v0.0.9 (/source)
Dec 05 15:40:19.715 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:40:19.715 INFO [stderr]    --> src/lib.rs:159:5
Dec 05 15:40:19.715 INFO [stderr]     |
Dec 05 15:40:19.715 INFO [stderr] 159 |     fs::create_dir(&kcov_build_dir);
Dec 05 15:40:19.715 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:40:19.715 INFO [stderr]     |
Dec 05 15:40:19.715 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:40:19.715 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:40:19.715 INFO [stderr] 
Dec 05 15:40:20.175 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:40:20.175 INFO [stderr]    --> src/lib.rs:159:5
Dec 05 15:40:20.175 INFO [stderr]     |
Dec 05 15:40:20.175 INFO [stderr] 159 |     fs::create_dir(&kcov_build_dir);
Dec 05 15:40:20.175 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:40:20.175 INFO [stderr]     |
Dec 05 15:40:20.175 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:40:20.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:40:20.175 INFO [stderr] 
Dec 05 15:40:47.438 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
Dec 05 15:40:47.456 INFO [stderr] su: No module specific data is present
Dec 05 15:40:48.145 INFO running `"docker" "inspect" "efa6cdbf45721adf19e3f23b7d79e19431d166cd49505def6adb94bd3cd242bd"`
Dec 05 15:40:48.500 INFO running `"docker" "rm" "-f" "efa6cdbf45721adf19e3f23b7d79e19431d166cd49505def6adb94bd3cd242bd"`
Dec 05 15:40:48.801 INFO [stdout] efa6cdbf45721adf19e3f23b7d79e19431d166cd49505def6adb94bd3cd242bd