Dec 12 20:29:08.733 INFO testing yatendernitk/rust-codes against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 20:29:08.733 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 12 20:29:09.279 INFO [stdout] c8cde47e4dd7e96678510601b87b52fee4a9fa9738cd4ecbc4ab6dd60235f660
Dec 12 20:29:09.287 INFO running `"docker" "start" "-a" "c8cde47e4dd7e96678510601b87b52fee4a9fa9738cd4ecbc4ab6dd60235f660"`
Dec 12 20:29:10.727 INFO [stderr] usermod: no changes
Dec 12 20:29:10.783 INFO [stderr]    Compiling libc v0.2.32
Dec 12 20:29:11.879 INFO [stderr]    Compiling rand v0.3.17
Dec 12 20:29:14.379 INFO [stderr]    Compiling hello v0.0.1 (/source)
Dec 12 20:29:14.683 INFO [stderr] warning: variable does not need to be mutable
Dec 12 20:29:14.683 INFO [stderr]   --> src/main.rs:46:9
Dec 12 20:29:14.683 INFO [stderr]    |
Dec 12 20:29:14.683 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Dec 12 20:29:14.683 INFO [stderr]    |         ----^^^^^
Dec 12 20:29:14.683 INFO [stderr]    |         |
Dec 12 20:29:14.683 INFO [stderr]    |         help: remove this `mut`
Dec 12 20:29:14.683 INFO [stderr]    |
Dec 12 20:29:14.683 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 20:29:14.683 INFO [stderr] 
Dec 12 20:29:14.683 INFO [stderr] warning: function is never used: `guessing`
Dec 12 20:29:14.683 INFO [stderr]   --> src/main.rs:34:1
Dec 12 20:29:14.683 INFO [stderr]    |
Dec 12 20:29:14.683 INFO [stderr] 34 | fn guessing() {
Dec 12 20:29:14.683 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 12 20:29:14.683 INFO [stderr]    |
Dec 12 20:29:14.683 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 20:29:14.683 INFO [stderr] 
Dec 12 20:29:15.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
Dec 12 20:29:15.087 INFO [stderr] su: No module specific data is present
Dec 12 20:29:15.905 INFO running `"docker" "inspect" "c8cde47e4dd7e96678510601b87b52fee4a9fa9738cd4ecbc4ab6dd60235f660"`
Dec 12 20:29:16.193 INFO running `"docker" "rm" "-f" "c8cde47e4dd7e96678510601b87b52fee4a9fa9738cd4ecbc4ab6dd60235f660"`
Dec 12 20:29:16.506 INFO [stdout] c8cde47e4dd7e96678510601b87b52fee4a9fa9738cd4ecbc4ab6dd60235f660
Dec 12 20:29:16.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 12 20:29:16.897 INFO [stdout] 307240646c8a4ba4506a751ef6ece1861badc09c567b51d00624069f1ee75b37
Dec 12 20:29:16.900 INFO running `"docker" "start" "-a" "307240646c8a4ba4506a751ef6ece1861badc09c567b51d00624069f1ee75b37"`
Dec 12 20:29:18.028 INFO [stderr] usermod: no changes
Dec 12 20:29:18.099 INFO [stderr]    Compiling hello v0.0.1 (/source)
Dec 12 20:29:18.403 INFO [stderr] warning: variable does not need to be mutable
Dec 12 20:29:18.403 INFO [stderr]   --> src/main.rs:46:9
Dec 12 20:29:18.403 INFO [stderr]    |
Dec 12 20:29:18.403 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Dec 12 20:29:18.403 INFO [stderr]    |         ----^^^^^
Dec 12 20:29:18.403 INFO [stderr]    |         |
Dec 12 20:29:18.403 INFO [stderr]    |         help: remove this `mut`
Dec 12 20:29:18.403 INFO [stderr]    |
Dec 12 20:29:18.403 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 20:29:18.403 INFO [stderr] 
Dec 12 20:29:18.403 INFO [stderr] warning: function is never used: `guessing`
Dec 12 20:29:18.403 INFO [stderr]   --> src/main.rs:34:1
Dec 12 20:29:18.403 INFO [stderr]    |
Dec 12 20:29:18.403 INFO [stderr] 34 | fn guessing() {
Dec 12 20:29:18.403 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 12 20:29:18.403 INFO [stderr]    |
Dec 12 20:29:18.403 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 20:29:18.403 INFO [stderr] 
Dec 12 20:29:18.697 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 12 20:29:18.699 INFO [stderr] su: No module specific data is present
Dec 12 20:29:19.515 INFO running `"docker" "inspect" "307240646c8a4ba4506a751ef6ece1861badc09c567b51d00624069f1ee75b37"`
Dec 12 20:29:19.808 INFO running `"docker" "rm" "-f" "307240646c8a4ba4506a751ef6ece1861badc09c567b51d00624069f1ee75b37"`
Dec 12 20:29:20.147 INFO [stdout] 307240646c8a4ba4506a751ef6ece1861badc09c567b51d00624069f1ee75b37
Dec 12 20:29:20.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 12 20:29:20.595 INFO [stdout] 24fcb6e971761d2560898320df354a469fb050397a1cd9ddbd2c2e0b5a45f3cf
Dec 12 20:29:20.851 INFO running `"docker" "start" "-a" "24fcb6e971761d2560898320df354a469fb050397a1cd9ddbd2c2e0b5a45f3cf"`
Dec 12 20:29:21.937 INFO [stderr] usermod: no changes
Dec 12 20:29:21.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 12 20:29:22.007 INFO [stderr]      Running /target/debug/deps/hello-e3dfeb5639b89aaa
Dec 12 20:29:22.010 INFO [stdout] 
Dec 12 20:29:22.012 INFO [stdout] running 0 tests
Dec 12 20:29:22.012 INFO [stdout] 
Dec 12 20:29:22.012 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:29:22.012 INFO [stdout] 
Dec 12 20:29:22.013 INFO [stderr] su: No module specific data is present
Dec 12 20:29:22.713 INFO running `"docker" "inspect" "24fcb6e971761d2560898320df354a469fb050397a1cd9ddbd2c2e0b5a45f3cf"`
Dec 12 20:29:22.979 INFO running `"docker" "rm" "-f" "24fcb6e971761d2560898320df354a469fb050397a1cd9ddbd2c2e0b5a45f3cf"`
Dec 12 20:29:23.390 INFO [stdout] 24fcb6e971761d2560898320df354a469fb050397a1cd9ddbd2c2e0b5a45f3cf