Oct 13 02:44:43.568 INFO checking SDRust/png-fabuloso against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 02:44:43.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 02:44:43.788 INFO blam! eab4627829ba6da414b769ea86d3cf72985e419ba076b9eff4534ff910c2934a
Oct 13 02:44:43.794 INFO running `"docker" "start" "-a" "eab4627829ba6da414b769ea86d3cf72985e419ba076b9eff4534ff910c2934a"`
Oct 13 02:44:44.333 INFO kablam! usermod: no changes
Oct 13 02:44:44.392 INFO kablam!    Compiling miniz-sys v0.1.7
Oct 13 02:44:44.392 INFO kablam!     Checking crc v1.3.0
Oct 13 02:44:46.935 INFO kablam!     Checking flate2 v0.2.14
Oct 13 02:44:47.897 INFO kablam!     Checking pngstogram v0.1.0 (/source)
Oct 13 02:44:48.768 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:44:48.768 INFO kablam!   --> src/main.rs:86:13
Oct 13 02:44:48.768 INFO kablam!    |
Oct 13 02:44:48.768 INFO kablam! 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Oct 13 02:44:48.768 INFO kablam!    |             ----^^^^^^^^^^^
Oct 13 02:44:48.768 INFO kablam!    |             |
Oct 13 02:44:48.768 INFO kablam!    |             help: remove this `mut`
Oct 13 02:44:48.768 INFO kablam!    |
Oct 13 02:44:48.768 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:44:48.768 INFO kablam! 
Oct 13 02:44:48.784 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:44:48.784 INFO kablam!   --> src/main.rs:86:13
Oct 13 02:44:48.784 INFO kablam!    |
Oct 13 02:44:48.784 INFO kablam! 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Oct 13 02:44:48.784 INFO kablam!    |             ----^^^^^^^^^^^
Oct 13 02:44:48.784 INFO kablam!    |             |
Oct 13 02:44:48.784 INFO kablam!    |             help: remove this `mut`
Oct 13 02:44:48.784 INFO kablam!    |
Oct 13 02:44:48.784 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:44:48.784 INFO kablam! 
Oct 13 02:44:48.832 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
Oct 13 02:44:48.835 INFO kablam! su: No module specific data is present
Oct 13 02:44:50.207 INFO running `"docker" "rm" "-f" "eab4627829ba6da414b769ea86d3cf72985e419ba076b9eff4534ff910c2934a"`
Oct 13 02:44:50.448 INFO blam! eab4627829ba6da414b769ea86d3cf72985e419ba076b9eff4534ff910c2934a