Nov 16 09:09:18.184 INFO testing vksmgr/read_file against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 09:09:18.184 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 09:09:18.370 INFO [stdout] 3b7d31222d90c2ce0c5fc7a3e9f1602e3e106fd2d7ef4ce42b4a40b3167adc2e
Nov 16 09:09:18.373 INFO running `"docker" "start" "-a" "3b7d31222d90c2ce0c5fc7a3e9f1602e3e106fd2d7ef4ce42b4a40b3167adc2e"`
Nov 16 09:09:18.851 INFO [stderr] usermod: no changes
Nov 16 09:09:18.907 INFO [stderr]    Compiling os v0.1.0 (/source)
Nov 16 09:09:19.079 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 09:09:19.079 INFO [stderr]  --> src/main.rs:5:5
Nov 16 09:09:19.079 INFO [stderr]   |
Nov 16 09:09:19.079 INFO [stderr] 5 |     read_all_lines("test.txt");
Nov 16 09:09:19.079 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 09:09:19.079 INFO [stderr]   |
Nov 16 09:09:19.079 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 16 09:09:19.079 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 09:09:19.079 INFO [stderr] 
Nov 16 09:09:19.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Nov 16 09:09:19.384 INFO [stderr] su: No module specific data is present
Nov 16 09:09:19.634 INFO running `"docker" "inspect" "3b7d31222d90c2ce0c5fc7a3e9f1602e3e106fd2d7ef4ce42b4a40b3167adc2e"`
Nov 16 09:09:19.780 INFO running `"docker" "rm" "-f" "3b7d31222d90c2ce0c5fc7a3e9f1602e3e106fd2d7ef4ce42b4a40b3167adc2e"`
Nov 16 09:09:20.040 INFO [stdout] 3b7d31222d90c2ce0c5fc7a3e9f1602e3e106fd2d7ef4ce42b4a40b3167adc2e
Nov 16 09:09:20.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 09:09:20.392 INFO [stdout] 5f912b2a6412e9e724435818b98d572e057130e0850b3e5448f487eae221ba83
Nov 16 09:09:20.397 INFO running `"docker" "start" "-a" "5f912b2a6412e9e724435818b98d572e057130e0850b3e5448f487eae221ba83"`
Nov 16 09:09:20.947 INFO [stderr] usermod: no changes
Nov 16 09:09:20.984 INFO [stderr]    Compiling os v0.1.0 (/source)
Nov 16 09:09:21.175 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 09:09:21.176 INFO [stderr]  --> src/main.rs:5:5
Nov 16 09:09:21.176 INFO [stderr]   |
Nov 16 09:09:21.176 INFO [stderr] 5 |     read_all_lines("test.txt");
Nov 16 09:09:21.176 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 09:09:21.176 INFO [stderr]   |
Nov 16 09:09:21.176 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 16 09:09:21.176 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 09:09:21.176 INFO [stderr] 
Nov 16 09:09:21.435 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Nov 16 09:09:21.437 INFO [stderr] su: No module specific data is present
Nov 16 09:09:22.211 INFO running `"docker" "inspect" "5f912b2a6412e9e724435818b98d572e057130e0850b3e5448f487eae221ba83"`
Nov 16 09:09:22.299 INFO running `"docker" "rm" "-f" "5f912b2a6412e9e724435818b98d572e057130e0850b3e5448f487eae221ba83"`
Nov 16 09:09:22.461 INFO [stdout] 5f912b2a6412e9e724435818b98d572e057130e0850b3e5448f487eae221ba83
Nov 16 09:09:22.465 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 09:09:22.725 INFO [stdout] ffa4cb0275c15ededabe27b87ec53510b3bd28d8561022e127bcce45f1866bd9
Nov 16 09:09:22.728 INFO running `"docker" "start" "-a" "ffa4cb0275c15ededabe27b87ec53510b3bd28d8561022e127bcce45f1866bd9"`
Nov 16 09:09:23.251 INFO [stderr] usermod: no changes
Nov 16 09:09:23.278 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Nov 16 09:09:23.278 INFO [stderr]      Running /target/debug/deps/os-5ca39aa9eeee2928
Nov 16 09:09:23.281 INFO [stdout] 
Nov 16 09:09:23.281 INFO [stdout] running 0 tests
Nov 16 09:09:23.281 INFO [stdout] 
Nov 16 09:09:23.281 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 09:09:23.281 INFO [stdout] 
Nov 16 09:09:23.282 INFO [stderr] su: No module specific data is present
Nov 16 09:09:23.612 INFO running `"docker" "inspect" "ffa4cb0275c15ededabe27b87ec53510b3bd28d8561022e127bcce45f1866bd9"`
Nov 16 09:09:23.717 INFO running `"docker" "rm" "-f" "ffa4cb0275c15ededabe27b87ec53510b3bd28d8561022e127bcce45f1866bd9"`
Nov 16 09:09:23.840 INFO [stdout] ffa4cb0275c15ededabe27b87ec53510b3bd28d8561022e127bcce45f1866bd9