Dec 04 10:56:24.886 INFO checking s3rvac/yabir against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:56:24.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 10:56:25.371 INFO [stdout] c95a17f10c1ce4e2ecc63367e67aeea41d25dd37bdc59f6b0e8bf4b713ec7b0d
Dec 04 10:56:25.373 INFO running `"docker" "start" "-a" "c95a17f10c1ce4e2ecc63367e67aeea41d25dd37bdc59f6b0e8bf4b713ec7b0d"`
Dec 04 10:56:26.670 INFO [stderr] usermod: no changes
Dec 04 10:56:26.735 INFO [stderr]     Checking yabir v0.1.0 (/source)
Dec 04 10:56:27.119 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:56:27.119 INFO [stderr]    --> src/runner.rs:112:30
Dec 04 10:56:27.119 INFO [stderr]     |
Dec 04 10:56:27.119 INFO [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
Dec 04 10:56:27.119 INFO [stderr]     |                              ----^^^^^
Dec 04 10:56:27.119 INFO [stderr]     |                              |
Dec 04 10:56:27.119 INFO [stderr]     |                              help: remove this `mut`
Dec 04 10:56:27.119 INFO [stderr]     |
Dec 04 10:56:27.119 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 10:56:27.120 INFO [stderr] 
Dec 04 10:56:27.123 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:56:27.123 INFO [stderr]    --> src/runner.rs:136:31
Dec 04 10:56:27.123 INFO [stderr]     |
Dec 04 10:56:27.124 INFO [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
Dec 04 10:56:27.124 INFO [stderr]     |                               ----^^^^^^
Dec 04 10:56:27.125 INFO [stderr]     |                               |
Dec 04 10:56:27.125 INFO [stderr]     |                               help: remove this `mut`
Dec 04 10:56:27.126 INFO [stderr] 
Dec 04 10:56:27.310 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:56:27.311 INFO [stderr]    --> src/runner.rs:112:30
Dec 04 10:56:27.311 INFO [stderr]     |
Dec 04 10:56:27.312 INFO [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
Dec 04 10:56:27.312 INFO [stderr]     |                              ----^^^^^
Dec 04 10:56:27.312 INFO [stderr]     |                              |
Dec 04 10:56:27.313 INFO [stderr]     |                              help: remove this `mut`
Dec 04 10:56:27.313 INFO [stderr]     |
Dec 04 10:56:27.313 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 10:56:27.314 INFO [stderr] 
Dec 04 10:56:27.314 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:56:27.314 INFO [stderr]    --> src/runner.rs:136:31
Dec 04 10:56:27.315 INFO [stderr]     |
Dec 04 10:56:27.315 INFO [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
Dec 04 10:56:27.315 INFO [stderr]     |                               ----^^^^^^
Dec 04 10:56:27.316 INFO [stderr]     |                               |
Dec 04 10:56:27.316 INFO [stderr]     |                               help: remove this `mut`
Dec 04 10:56:27.316 INFO [stderr] 
Dec 04 10:56:27.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 04 10:56:27.378 INFO [stderr] su: No module specific data is present
Dec 04 10:56:28.411 INFO running `"docker" "inspect" "c95a17f10c1ce4e2ecc63367e67aeea41d25dd37bdc59f6b0e8bf4b713ec7b0d"`
Dec 04 10:56:28.747 INFO running `"docker" "rm" "-f" "c95a17f10c1ce4e2ecc63367e67aeea41d25dd37bdc59f6b0e8bf4b713ec7b0d"`
Dec 04 10:56:29.071 INFO [stdout] c95a17f10c1ce4e2ecc63367e67aeea41d25dd37bdc59f6b0e8bf4b713ec7b0d