Nov 02 00:58:07.765 INFO checking cargo-travis-0.0.9 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 02 00:58:07.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 02 00:58:08.099 INFO blam! bc1057508c525eb178a7dfd680d6c9193ab7a12df7e637fe26aee061611caa42
Nov 02 00:58:08.101 INFO running `"docker" "start" "-a" "bc1057508c525eb178a7dfd680d6c9193ab7a12df7e637fe26aee061611caa42"`
Nov 02 00:58:09.424 INFO kablam! usermod: no changes
Nov 02 00:58:09.676 INFO kablam!     Checking serde_ignored v0.0.3
Nov 02 00:58:09.680 INFO kablam!     Checking semver v0.7.0
Nov 02 00:58:09.681 INFO kablam!     Checking docopt v0.8.1
Nov 02 00:58:09.681 INFO kablam!     Checking crates-io v0.11.0
Nov 02 00:58:14.780 INFO kablam!     Checking cargo v0.22.0
Nov 02 00:58:29.113 INFO kablam!     Checking cargo-travis v0.0.9 (/source)
Nov 02 00:58:36.489 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 00:58:36.489 INFO kablam!    --> src/lib.rs:159:5
Nov 02 00:58:36.490 INFO kablam!     |
Nov 02 00:58:36.490 INFO kablam! 159 |     fs::create_dir(&kcov_build_dir);
Nov 02 00:58:36.490 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 00:58:36.490 INFO kablam!     |
Nov 02 00:58:36.491 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 00:58:36.491 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 00:58:36.491 INFO kablam! 
Nov 02 00:58:36.815 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 00:58:36.816 INFO kablam!    --> src/lib.rs:159:5
Nov 02 00:58:36.816 INFO kablam!     |
Nov 02 00:58:36.816 INFO kablam! 159 |     fs::create_dir(&kcov_build_dir);
Nov 02 00:58:36.816 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 00:58:36.816 INFO kablam!     |
Nov 02 00:58:36.816 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 00:58:36.816 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 00:58:36.816 INFO kablam! 
Nov 02 00:58:59.240 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 49.80s
Nov 02 00:58:59.275 INFO kablam! su: No module specific data is present
Nov 02 00:59:00.068 INFO running `"docker" "rm" "-f" "bc1057508c525eb178a7dfd680d6c9193ab7a12df7e637fe26aee061611caa42"`
Nov 02 00:59:00.284 INFO blam! bc1057508c525eb178a7dfd680d6c9193ab7a12df7e637fe26aee061611caa42