Nov 27 21:14:11.134 INFO checking s3rvac/yabir against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 21:14:11.134 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 27 21:14:11.638 INFO [stdout] 6525a89a93e29ef1b703e4f6cc8d9c05bc7d93abe73b9f77c7addd4aa8ebeac8
Nov 27 21:14:11.641 INFO running `"docker" "start" "-a" "6525a89a93e29ef1b703e4f6cc8d9c05bc7d93abe73b9f77c7addd4aa8ebeac8"`
Nov 27 21:14:12.877 INFO [stderr] usermod: no changes
Nov 27 21:14:12.972 INFO [stderr]     Checking yabir v0.1.0 (/source)
Nov 27 21:14:13.700 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:14:13.701 INFO [stderr]    --> src/runner.rs:112:30
Nov 27 21:14:13.701 INFO [stderr]     |
Nov 27 21:14:13.701 INFO [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
Nov 27 21:14:13.702 INFO [stderr]     |                              ----^^^^^
Nov 27 21:14:13.702 INFO [stderr]     |                              |
Nov 27 21:14:13.702 INFO [stderr]     |                              help: remove this `mut`
Nov 27 21:14:13.702 INFO [stderr]     |
Nov 27 21:14:13.703 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:14:13.703 INFO [stderr] 
Nov 27 21:14:13.703 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:14:13.703 INFO [stderr]    --> src/runner.rs:136:31
Nov 27 21:14:13.704 INFO [stderr]     |
Nov 27 21:14:13.704 INFO [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
Nov 27 21:14:13.704 INFO [stderr]     |                               ----^^^^^^
Nov 27 21:14:13.705 INFO [stderr]     |                               |
Nov 27 21:14:13.705 INFO [stderr]     |                               help: remove this `mut`
Nov 27 21:14:13.705 INFO [stderr] 
Nov 27 21:14:13.852 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:14:13.852 INFO [stderr]    --> src/runner.rs:112:30
Nov 27 21:14:13.852 INFO [stderr]     |
Nov 27 21:14:13.852 INFO [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
Nov 27 21:14:13.852 INFO [stderr]     |                              ----^^^^^
Nov 27 21:14:13.852 INFO [stderr]     |                              |
Nov 27 21:14:13.852 INFO [stderr]     |                              help: remove this `mut`
Nov 27 21:14:13.852 INFO [stderr]     |
Nov 27 21:14:13.852 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:14:13.852 INFO [stderr] 
Nov 27 21:14:13.852 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:14:13.852 INFO [stderr]    --> src/runner.rs:136:31
Nov 27 21:14:13.852 INFO [stderr]     |
Nov 27 21:14:13.852 INFO [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
Nov 27 21:14:13.852 INFO [stderr]     |                               ----^^^^^^
Nov 27 21:14:13.852 INFO [stderr]     |                               |
Nov 27 21:14:13.852 INFO [stderr]     |                               help: remove this `mut`
Nov 27 21:14:13.852 INFO [stderr] 
Nov 27 21:14:13.953 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Nov 27 21:14:13.955 INFO [stderr] su: No module specific data is present
Nov 27 21:14:15.012 INFO running `"docker" "inspect" "6525a89a93e29ef1b703e4f6cc8d9c05bc7d93abe73b9f77c7addd4aa8ebeac8"`
Nov 27 21:14:15.353 INFO running `"docker" "rm" "-f" "6525a89a93e29ef1b703e4f6cc8d9c05bc7d93abe73b9f77c7addd4aa8ebeac8"`
Nov 27 21:14:15.736 INFO [stdout] 6525a89a93e29ef1b703e4f6cc8d9c05bc7d93abe73b9f77c7addd4aa8ebeac8