Oct 12 21:18:35.106 INFO checking garretttaco/rename against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 21:18:35.106 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 21:18:35.495 INFO blam! 3fcfcb6de54cbaba20abca80a33b7708c342b14f8761b44122b58c540d0ed76c
Oct 12 21:18:35.498 INFO running `"docker" "start" "-a" "3fcfcb6de54cbaba20abca80a33b7708c342b14f8761b44122b58c540d0ed76c"`
Oct 12 21:18:36.567 INFO kablam! usermod: no changes
Oct 12 21:18:36.660 INFO kablam!     Checking clap v2.29.0
Oct 12 21:18:45.300 INFO kablam!     Checking rename v0.1.0 (/source)
Oct 12 21:18:46.538 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:18:46.538 INFO kablam!   --> src/main.rs:20:9
Oct 12 21:18:46.538 INFO kablam!    |
Oct 12 21:18:46.538 INFO kablam! 20 |         fs::rename(&file_name, &updated_name);
Oct 12 21:18:46.538 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:18:46.538 INFO kablam!    |
Oct 12 21:18:46.538 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:18:46.538 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:18:46.538 INFO kablam! 
Oct 12 21:18:46.668 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:18:46.668 INFO kablam!   --> src/main.rs:20:9
Oct 12 21:18:46.668 INFO kablam!    |
Oct 12 21:18:46.668 INFO kablam! 20 |         fs::rename(&file_name, &updated_name);
Oct 12 21:18:46.668 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:18:46.668 INFO kablam!    |
Oct 12 21:18:46.668 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:18:46.668 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:18:46.668 INFO kablam! 
Oct 12 21:18:46.721 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
Oct 12 21:18:46.721 INFO kablam! su: No module specific data is present
Oct 12 21:18:47.578 INFO running `"docker" "rm" "-f" "3fcfcb6de54cbaba20abca80a33b7708c342b14f8761b44122b58c540d0ed76c"`
Oct 12 21:18:47.839 INFO blam! 3fcfcb6de54cbaba20abca80a33b7708c342b14f8761b44122b58c540d0ed76c