Nov 28 11:13:29.618 INFO checking SDRust/png-fabuloso against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:13:29.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 11:13:30.104 INFO [stdout] bbc37f23a264a8e29e207b3887672b9587af509f2092d8e76a5d0091c38a435e
Nov 28 11:13:30.106 INFO running `"docker" "start" "-a" "bbc37f23a264a8e29e207b3887672b9587af509f2092d8e76a5d0091c38a435e"`
Nov 28 11:13:32.259 INFO [stderr] usermod: no changes
Nov 28 11:13:32.348 INFO [stderr]    Compiling miniz-sys v0.1.7
Nov 28 11:13:32.348 INFO [stderr]     Checking crc v1.3.0
Nov 28 11:13:34.838 INFO [stderr]     Checking flate2 v0.2.14
Nov 28 11:13:35.825 INFO [stderr]     Checking pngstogram v0.1.0 (/source)
Nov 28 11:13:36.836 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:13:36.836 INFO [stderr]   --> src/main.rs:86:13
Nov 28 11:13:36.843 INFO [stderr]    |
Nov 28 11:13:36.843 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Nov 28 11:13:36.843 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 28 11:13:36.843 INFO [stderr]    |             |
Nov 28 11:13:36.843 INFO [stderr]    |             help: remove this `mut`
Nov 28 11:13:36.843 INFO [stderr]    |
Nov 28 11:13:36.843 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:13:36.843 INFO [stderr] 
Nov 28 11:13:37.205 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:13:37.205 INFO [stderr]   --> src/main.rs:86:13
Nov 28 11:13:37.205 INFO [stderr]    |
Nov 28 11:13:37.205 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Nov 28 11:13:37.205 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 28 11:13:37.205 INFO [stderr]    |             |
Nov 28 11:13:37.205 INFO [stderr]    |             help: remove this `mut`
Nov 28 11:13:37.206 INFO [stderr]    |
Nov 28 11:13:37.206 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:13:37.206 INFO [stderr] 
Nov 28 11:13:37.249 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
Nov 28 11:13:37.249 INFO [stderr] su: No module specific data is present
Nov 28 11:13:38.103 INFO running `"docker" "inspect" "bbc37f23a264a8e29e207b3887672b9587af509f2092d8e76a5d0091c38a435e"`
Nov 28 11:13:38.464 INFO running `"docker" "rm" "-f" "bbc37f23a264a8e29e207b3887672b9587af509f2092d8e76a5d0091c38a435e"`
Nov 28 11:13:38.840 INFO [stdout] bbc37f23a264a8e29e207b3887672b9587af509f2092d8e76a5d0091c38a435e