Oct 13 15:25:06.677 INFO checking fatfs-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:25:06.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 15:25:06.856 INFO blam! 5f599385e039c5226bf4e9201c9af98c96cef68259fc65ae2963c5a533dee83e
Oct 13 15:25:06.856 INFO running `"docker" "start" "-a" "5f599385e039c5226bf4e9201c9af98c96cef68259fc65ae2963c5a533dee83e"`
Oct 13 15:25:07.752 INFO kablam! usermod: no changes
Oct 13 15:25:07.841 INFO kablam!     Checking fscommon v0.1.0
Oct 13 15:25:07.842 INFO kablam!     Checking fatfs v0.3.0 (/source)
Oct 13 15:25:10.644 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Oct 13 15:25:10.644 INFO kablam!    --> src/dir.rs:112:9
Oct 13 15:25:10.644 INFO kablam!     |
Oct 13 15:25:10.644 INFO kablam! 112 |         self.stream.clone();
Oct 13 15:25:10.644 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 15:25:10.644 INFO kablam!     |
Oct 13 15:25:10.644 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 15:25:10.644 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Oct 13 15:25:10.644 INFO kablam! 
Oct 13 15:25:12.420 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Oct 13 15:25:12.420 INFO kablam!    --> src/dir.rs:112:9
Oct 13 15:25:12.420 INFO kablam!     |
Oct 13 15:25:12.420 INFO kablam! 112 |         self.stream.clone();
Oct 13 15:25:12.420 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 15:25:12.420 INFO kablam!     |
Oct 13 15:25:12.421 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 15:25:12.421 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Oct 13 15:25:12.421 INFO kablam! 
Oct 13 15:25:17.578 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
Oct 13 15:25:17.588 INFO kablam! su: No module specific data is present
Oct 13 15:25:18.396 INFO running `"docker" "rm" "-f" "5f599385e039c5226bf4e9201c9af98c96cef68259fc65ae2963c5a533dee83e"`
Oct 13 15:25:18.652 INFO blam! 5f599385e039c5226bf4e9201c9af98c96cef68259fc65ae2963c5a533dee83e