Nov 01 04:45:38.642 INFO checking garretttaco/rename against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 04:45:38.642 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 04:45:39.076 INFO blam! b8b43180a568cd15d73021f70039006622c952ea8daffd2b2aa67c86de6e1dff
Nov 01 04:45:39.081 INFO running `"docker" "start" "-a" "b8b43180a568cd15d73021f70039006622c952ea8daffd2b2aa67c86de6e1dff"`
Nov 01 04:45:40.229 INFO kablam! usermod: no changes
Nov 01 04:45:40.346 INFO kablam!     Checking clap v2.29.0
Nov 01 04:45:49.556 INFO kablam!     Checking rename v0.1.0 (/source)
Nov 01 04:45:50.325 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 04:45:50.325 INFO kablam!   --> src/main.rs:20:9
Nov 01 04:45:50.325 INFO kablam!    |
Nov 01 04:45:50.325 INFO kablam! 20 |         fs::rename(&file_name, &updated_name);
Nov 01 04:45:50.325 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:50.325 INFO kablam!    |
Nov 01 04:45:50.325 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 04:45:50.326 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 04:45:50.326 INFO kablam! 
Nov 01 04:45:50.429 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 04:45:50.429 INFO kablam!   --> src/main.rs:20:9
Nov 01 04:45:50.429 INFO kablam!    |
Nov 01 04:45:50.429 INFO kablam! 20 |         fs::rename(&file_name, &updated_name);
Nov 01 04:45:50.429 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:50.429 INFO kablam!    |
Nov 01 04:45:50.429 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 04:45:50.429 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 04:45:50.429 INFO kablam! 
Nov 01 04:45:50.467 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.20s
Nov 01 04:45:50.472 INFO kablam! su: No module specific data is present
Nov 01 04:45:51.192 INFO running `"docker" "rm" "-f" "b8b43180a568cd15d73021f70039006622c952ea8daffd2b2aa67c86de6e1dff"`
Nov 01 04:45:51.480 INFO blam! b8b43180a568cd15d73021f70039006622c952ea8daffd2b2aa67c86de6e1dff