Dec 06 08:10:39.525 INFO testing aarthiKarthik/Rust-Basics against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 08:10:39.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 08:10:39.827 INFO [stdout] 0c25707f1906de1d1f26b2d5b05219aad3068d75535b488965a057aa47c5dd20
Dec 06 08:10:39.829 INFO running `"docker" "start" "-a" "0c25707f1906de1d1f26b2d5b05219aad3068d75535b488965a057aa47c5dd20"`
Dec 06 08:10:40.258 INFO [stderr] usermod: no changes
Dec 06 08:10:40.291 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 06 08:10:40.333 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 06 08:10:40.333 INFO [stderr]  --> src/main.rs:2:10
Dec 06 08:10:40.333 INFO [stderr]   |
Dec 06 08:10:40.333 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 06 08:10:40.333 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 06 08:10:40.333 INFO [stderr]   |
Dec 06 08:10:40.333 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 06 08:10:40.333 INFO [stderr] 
Dec 06 08:10:40.596 INFO [stderr] warning: unused variable: `a`
Dec 06 08:10:40.596 INFO [stderr]   --> src/main.rs:88:6
Dec 06 08:10:40.596 INFO [stderr]    |
Dec 06 08:10:40.596 INFO [stderr] 88 |     let a = 123;
Dec 06 08:10:40.596 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 06 08:10:40.596 INFO [stderr]    |
Dec 06 08:10:40.596 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:10:40.596 INFO [stderr] 
Dec 06 08:10:40.766 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 06 08:10:40.768 INFO [stderr] su: No module specific data is present
Dec 06 08:10:41.220 INFO running `"docker" "inspect" "0c25707f1906de1d1f26b2d5b05219aad3068d75535b488965a057aa47c5dd20"`
Dec 06 08:10:41.307 INFO running `"docker" "rm" "-f" "0c25707f1906de1d1f26b2d5b05219aad3068d75535b488965a057aa47c5dd20"`
Dec 06 08:10:41.396 INFO [stdout] 0c25707f1906de1d1f26b2d5b05219aad3068d75535b488965a057aa47c5dd20
Dec 06 08:10:41.398 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 08:10:41.697 INFO [stdout] 8595e666c72d2f9c21de38b985d12e2038834dfa2447c653686ee97d9705a7b2
Dec 06 08:10:41.702 INFO running `"docker" "start" "-a" "8595e666c72d2f9c21de38b985d12e2038834dfa2447c653686ee97d9705a7b2"`
Dec 06 08:10:42.146 INFO [stderr] usermod: no changes
Dec 06 08:10:42.176 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 06 08:10:42.225 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 06 08:10:42.225 INFO [stderr]  --> src/main.rs:2:10
Dec 06 08:10:42.225 INFO [stderr]   |
Dec 06 08:10:42.225 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 06 08:10:42.225 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 06 08:10:42.225 INFO [stderr]   |
Dec 06 08:10:42.225 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 06 08:10:42.225 INFO [stderr] 
Dec 06 08:10:42.587 INFO [stderr] warning: unused variable: `a`
Dec 06 08:10:42.587 INFO [stderr]   --> src/main.rs:88:6
Dec 06 08:10:42.587 INFO [stderr]    |
Dec 06 08:10:42.587 INFO [stderr] 88 |     let a = 123;
Dec 06 08:10:42.587 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 06 08:10:42.587 INFO [stderr]    |
Dec 06 08:10:42.587 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:10:42.587 INFO [stderr] 
Dec 06 08:10:42.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 06 08:10:42.777 INFO [stderr] su: No module specific data is present
Dec 06 08:10:43.033 INFO running `"docker" "inspect" "8595e666c72d2f9c21de38b985d12e2038834dfa2447c653686ee97d9705a7b2"`
Dec 06 08:10:43.115 INFO running `"docker" "rm" "-f" "8595e666c72d2f9c21de38b985d12e2038834dfa2447c653686ee97d9705a7b2"`
Dec 06 08:10:43.205 INFO [stdout] 8595e666c72d2f9c21de38b985d12e2038834dfa2447c653686ee97d9705a7b2
Dec 06 08:10:43.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 08:10:43.393 INFO [stdout] 165e8fef7e50548895a491ece3986773da05ca4d4da7280e8471a9b2c83e7c96
Dec 06 08:10:43.395 INFO running `"docker" "start" "-a" "165e8fef7e50548895a491ece3986773da05ca4d4da7280e8471a9b2c83e7c96"`
Dec 06 08:10:44.689 INFO [stderr] usermod: no changes
Dec 06 08:10:44.730 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 08:10:44.730 INFO [stderr]      Running /target/debug/deps/hello_world-a203077c14c5feb3
Dec 06 08:10:44.738 INFO [stdout] 
Dec 06 08:10:44.738 INFO [stdout] running 0 tests
Dec 06 08:10:44.738 INFO [stdout] 
Dec 06 08:10:44.738 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:10:44.738 INFO [stdout] 
Dec 06 08:10:44.746 INFO [stderr] su: No module specific data is present
Dec 06 08:10:45.149 INFO running `"docker" "inspect" "165e8fef7e50548895a491ece3986773da05ca4d4da7280e8471a9b2c83e7c96"`
Dec 06 08:10:45.294 INFO running `"docker" "rm" "-f" "165e8fef7e50548895a491ece3986773da05ca4d4da7280e8471a9b2c83e7c96"`
Dec 06 08:10:45.368 INFO [stdout] 165e8fef7e50548895a491ece3986773da05ca4d4da7280e8471a9b2c83e7c96