Dec 14 08:26:16.916 INFO testing LiteUnder/testing_rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 08:26:16.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14 08:26:17.132 INFO [stdout] 02fdf866831c740fa5f2c2e3f3c67a0da74af57caf8f154bef7e732c08c4749f
Dec 14 08:26:17.134 INFO running `"docker" "start" "-a" "02fdf866831c740fa5f2c2e3f3c67a0da74af57caf8f154bef7e732c08c4749f"`
Dec 14 08:26:17.559 INFO [stderr] usermod: no changes
Dec 14 08:26:17.559 INFO [stderr]    Compiling testing_rust v0.1.0 (/source)
Dec 14 08:26:17.861 INFO [stderr] warning: unused variable: `x`
Dec 14 08:26:17.861 INFO [stderr]   --> src/main.rs:12:9
Dec 14 08:26:17.861 INFO [stderr]    |
Dec 14 08:26:17.861 INFO [stderr] 12 |     let x = Some(5);
Dec 14 08:26:17.861 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 14 08:26:17.861 INFO [stderr]    |
Dec 14 08:26:17.861 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 08:26:17.861 INFO [stderr] 
Dec 14 08:26:17.940 INFO [stderr] warning: unused variable: `y`
Dec 14 08:26:17.940 INFO [stderr]   --> src/main.rs:13:9
Dec 14 08:26:17.940 INFO [stderr]    |
Dec 14 08:26:17.940 INFO [stderr] 13 |     let y: Option<i8> = None;
Dec 14 08:26:17.940 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 14 08:26:17.940 INFO [stderr] 
Dec 14 08:26:18.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 14 08:26:18.103 INFO [stderr] su: No module specific data is present
Dec 14 08:26:18.546 INFO running `"docker" "inspect" "02fdf866831c740fa5f2c2e3f3c67a0da74af57caf8f154bef7e732c08c4749f"`
Dec 14 08:26:18.726 INFO running `"docker" "rm" "-f" "02fdf866831c740fa5f2c2e3f3c67a0da74af57caf8f154bef7e732c08c4749f"`
Dec 14 08:26:18.823 INFO [stdout] 02fdf866831c740fa5f2c2e3f3c67a0da74af57caf8f154bef7e732c08c4749f
Dec 14 08:26:18.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14 08:26:19.018 INFO [stdout] 56960eff15310476efc4de5f59c593eb05aebe6267033635d628c4b938fe3257
Dec 14 08:26:19.020 INFO running `"docker" "start" "-a" "56960eff15310476efc4de5f59c593eb05aebe6267033635d628c4b938fe3257"`
Dec 14 08:26:19.561 INFO [stderr] usermod: no changes
Dec 14 08:26:19.590 INFO [stderr]    Compiling testing_rust v0.1.0 (/source)
Dec 14 08:26:20.044 INFO [stderr] warning: unused variable: `x`
Dec 14 08:26:20.044 INFO [stderr]   --> src/main.rs:12:9
Dec 14 08:26:20.044 INFO [stderr]    |
Dec 14 08:26:20.044 INFO [stderr] 12 |     let x = Some(5);
Dec 14 08:26:20.044 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 14 08:26:20.045 INFO [stderr]    |
Dec 14 08:26:20.045 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 08:26:20.045 INFO [stderr] 
Dec 14 08:26:20.045 INFO [stderr] warning: unused variable: `y`
Dec 14 08:26:20.045 INFO [stderr]   --> src/main.rs:13:9
Dec 14 08:26:20.045 INFO [stderr]    |
Dec 14 08:26:20.045 INFO [stderr] 13 |     let y: Option<i8> = None;
Dec 14 08:26:20.045 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 14 08:26:20.045 INFO [stderr] 
Dec 14 08:26:20.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 14 08:26:20.290 INFO [stderr] su: No module specific data is present
Dec 14 08:26:20.660 INFO running `"docker" "inspect" "56960eff15310476efc4de5f59c593eb05aebe6267033635d628c4b938fe3257"`
Dec 14 08:26:20.764 INFO running `"docker" "rm" "-f" "56960eff15310476efc4de5f59c593eb05aebe6267033635d628c4b938fe3257"`
Dec 14 08:26:20.872 INFO [stdout] 56960eff15310476efc4de5f59c593eb05aebe6267033635d628c4b938fe3257
Dec 14 08:26:20.874 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14 08:26:21.070 INFO [stdout] 8a3147ac22dfce0c14b23176da2c73e99d12a5aea58520c4da53bbc8b80c13ae
Dec 14 08:26:21.073 INFO running `"docker" "start" "-a" "8a3147ac22dfce0c14b23176da2c73e99d12a5aea58520c4da53bbc8b80c13ae"`
Dec 14 08:26:21.485 INFO [stderr] usermod: no changes
Dec 14 08:26:21.529 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 08:26:21.529 INFO [stderr]      Running /target/debug/deps/testing_rust-7c1b7ca8dcee6f20
Dec 14 08:26:21.530 INFO [stdout] 
Dec 14 08:26:21.531 INFO [stdout] running 0 tests
Dec 14 08:26:21.531 INFO [stdout] 
Dec 14 08:26:21.531 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 08:26:21.531 INFO [stdout] 
Dec 14 08:26:21.533 INFO [stderr] su: No module specific data is present
Dec 14 08:26:22.022 INFO running `"docker" "inspect" "8a3147ac22dfce0c14b23176da2c73e99d12a5aea58520c4da53bbc8b80c13ae"`
Dec 14 08:26:22.323 INFO running `"docker" "rm" "-f" "8a3147ac22dfce0c14b23176da2c73e99d12a5aea58520c4da53bbc8b80c13ae"`
Dec 14 08:26:22.667 INFO [stdout] 8a3147ac22dfce0c14b23176da2c73e99d12a5aea58520c4da53bbc8b80c13ae