Nov 01 04:45:38.635 INFO checking garretttaco/rename against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 04:45:38.637 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 01 04:45:39.012 INFO blam! b77bbf7ef93c0d73d9e865e0cd8de37e59a223c993703916c2e2b2a67155074c
Nov 01 04:45:39.014 INFO running `"docker" "start" "-a" "b77bbf7ef93c0d73d9e865e0cd8de37e59a223c993703916c2e2b2a67155074c"`
Nov 01 04:45:39.903 INFO kablam! usermod: no changes
Nov 01 04:45:40.004 INFO kablam!     Checking clap v2.29.0
Nov 01 04:45:48.912 INFO kablam!     Checking rename v0.1.0 (/source)
Nov 01 04:45:49.776 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 04:45:49.776 INFO kablam!   --> src/main.rs:20:9
Nov 01 04:45:49.776 INFO kablam!    |
Nov 01 04:45:49.776 INFO kablam! 20 |         fs::rename(&file_name, &updated_name);
Nov 01 04:45:49.776 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:49.776 INFO kablam!    |
Nov 01 04:45:49.776 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 04:45:49.777 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 04:45:49.777 INFO kablam! 
Nov 01 04:45:49.984 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 04:45:49.985 INFO kablam!   --> src/main.rs:20:9
Nov 01 04:45:49.985 INFO kablam!    |
Nov 01 04:45:49.985 INFO kablam! 20 |         fs::rename(&file_name, &updated_name);
Nov 01 04:45:49.985 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:49.985 INFO kablam!    |
Nov 01 04:45:49.985 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 04:45:49.985 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 04:45:49.985 INFO kablam! 
Nov 01 04:45:50.036 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
Nov 01 04:45:50.040 INFO kablam! su: No module specific data is present
Nov 01 04:45:50.737 INFO running `"docker" "rm" "-f" "b77bbf7ef93c0d73d9e865e0cd8de37e59a223c993703916c2e2b2a67155074c"`
Nov 01 04:45:50.924 INFO blam! b77bbf7ef93c0d73d9e865e0cd8de37e59a223c993703916c2e2b2a67155074c