Dec 12 16:59:01.737 INFO checking cargo-travis-0.0.9 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 16:59:01.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:59:02.257 INFO [stdout] 8bbe7a0ea4510af5e4ee6c46c5ad8af8fa27f03a6cf0797961b45f024121209f
Dec 12 16:59:02.259 INFO running `"docker" "start" "-a" "8bbe7a0ea4510af5e4ee6c46c5ad8af8fa27f03a6cf0797961b45f024121209f"`
Dec 12 16:59:03.719 INFO [stderr] usermod: no changes
Dec 12 16:59:04.132 INFO [stderr]     Checking jobserver v0.1.12
Dec 12 16:59:04.132 INFO [stderr]     Checking serde_ignored v0.0.3
Dec 12 16:59:04.132 INFO [stderr]     Checking semver v0.7.0
Dec 12 16:59:04.132 INFO [stderr]     Checking tar v0.4.20
Dec 12 16:59:04.136 INFO [stderr]     Checking curl v0.4.19
Dec 12 16:59:04.136 INFO [stderr]     Checking globset v0.2.1
Dec 12 16:59:04.136 INFO [stderr]     Checking docopt v0.8.1
Dec 12 16:59:10.473 INFO [stderr]     Checking crates-io v0.11.0
Dec 12 16:59:10.474 INFO [stderr]     Checking git2-curl v0.7.0
Dec 12 16:59:11.042 INFO [stderr]     Checking ignore v0.2.2
Dec 12 16:59:16.810 INFO [stderr]     Checking cargo v0.22.0
Dec 12 16:59:31.684 INFO [stderr]     Checking cargo-travis v0.0.9 (/source)
Dec 12 16:59:43.963 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:59:43.963 INFO [stderr]    --> src/lib.rs:159:5
Dec 12 16:59:43.964 INFO [stderr]     |
Dec 12 16:59:43.964 INFO [stderr] 159 |     fs::create_dir(&kcov_build_dir);
Dec 12 16:59:43.964 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:59:43.965 INFO [stderr]     |
Dec 12 16:59:43.965 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 16:59:43.965 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:59:43.966 INFO [stderr] 
Dec 12 16:59:46.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 16:59:46.321 INFO [stderr]    --> src/lib.rs:159:5
Dec 12 16:59:46.321 INFO [stderr]     |
Dec 12 16:59:46.321 INFO [stderr] 159 |     fs::create_dir(&kcov_build_dir);
Dec 12 16:59:46.321 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:59:46.321 INFO [stderr]     |
Dec 12 16:59:46.321 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 16:59:46.321 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 16:59:46.321 INFO [stderr] 
Dec 12 17:00:04.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
Dec 12 17:00:04.852 INFO [stderr] su: No module specific data is present
Dec 12 17:00:05.302 INFO running `"docker" "inspect" "8bbe7a0ea4510af5e4ee6c46c5ad8af8fa27f03a6cf0797961b45f024121209f"`
Dec 12 17:00:05.710 INFO running `"docker" "rm" "-f" "8bbe7a0ea4510af5e4ee6c46c5ad8af8fa27f03a6cf0797961b45f024121209f"`
Dec 12 17:00:05.968 INFO [stdout] 8bbe7a0ea4510af5e4ee6c46c5ad8af8fa27f03a6cf0797961b45f024121209f