Dec 12 22:12:15.611 INFO testing vksmgr/read_file against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 22:12:15.611 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 22:12:16.131 INFO [stdout] 663b26ad19a05399c24eecb8f9b56a3ebf4b9390e217e0fb84edd8e8bffbdafd
Dec 12 22:12:16.135 INFO running `"docker" "start" "-a" "663b26ad19a05399c24eecb8f9b56a3ebf4b9390e217e0fb84edd8e8bffbdafd"`
Dec 12 22:12:16.851 INFO [stderr] usermod: no changes
Dec 12 22:12:16.883 INFO [stderr]    Compiling os v0.1.0 (/source)
Dec 12 22:12:17.012 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 22:12:17.012 INFO [stderr]  --> src/main.rs:5:5
Dec 12 22:12:17.012 INFO [stderr]   |
Dec 12 22:12:17.012 INFO [stderr] 5 |     read_all_lines("test.txt");
Dec 12 22:12:17.012 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:12:17.012 INFO [stderr]   |
Dec 12 22:12:17.012 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 12 22:12:17.012 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 22:12:17.012 INFO [stderr] 
Dec 12 22:12:17.397 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 12 22:12:17.398 INFO [stderr] su: No module specific data is present
Dec 12 22:12:17.859 INFO running `"docker" "inspect" "663b26ad19a05399c24eecb8f9b56a3ebf4b9390e217e0fb84edd8e8bffbdafd"`
Dec 12 22:12:18.128 INFO running `"docker" "rm" "-f" "663b26ad19a05399c24eecb8f9b56a3ebf4b9390e217e0fb84edd8e8bffbdafd"`
Dec 12 22:12:18.366 INFO [stdout] 663b26ad19a05399c24eecb8f9b56a3ebf4b9390e217e0fb84edd8e8bffbdafd
Dec 12 22:12:18.369 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 22:12:18.867 INFO [stdout] d654e5d8ea56332747319d68c56ee43e162fca104f39bba00d42828983f0cf74
Dec 12 22:12:18.869 INFO running `"docker" "start" "-a" "d654e5d8ea56332747319d68c56ee43e162fca104f39bba00d42828983f0cf74"`
Dec 12 22:12:19.527 INFO [stderr] usermod: no changes
Dec 12 22:12:19.549 INFO [stderr]    Compiling os v0.1.0 (/source)
Dec 12 22:12:19.705 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 22:12:19.705 INFO [stderr]  --> src/main.rs:5:5
Dec 12 22:12:19.705 INFO [stderr]   |
Dec 12 22:12:19.705 INFO [stderr] 5 |     read_all_lines("test.txt");
Dec 12 22:12:19.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:12:19.705 INFO [stderr]   |
Dec 12 22:12:19.705 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 12 22:12:19.705 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 22:12:19.705 INFO [stderr] 
Dec 12 22:12:19.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 12 22:12:19.946 INFO [stderr] su: No module specific data is present
Dec 12 22:12:20.212 INFO running `"docker" "inspect" "d654e5d8ea56332747319d68c56ee43e162fca104f39bba00d42828983f0cf74"`
Dec 12 22:12:20.293 INFO running `"docker" "rm" "-f" "d654e5d8ea56332747319d68c56ee43e162fca104f39bba00d42828983f0cf74"`
Dec 12 22:12:20.393 INFO [stdout] d654e5d8ea56332747319d68c56ee43e162fca104f39bba00d42828983f0cf74
Dec 12 22:12:20.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 22:12:20.609 INFO [stdout] e405a591cf7d74e682cf3852cb2e84468d84962629bab50dad8251a6798c12ae
Dec 12 22:12:20.613 INFO running `"docker" "start" "-a" "e405a591cf7d74e682cf3852cb2e84468d84962629bab50dad8251a6798c12ae"`
Dec 12 22:12:21.089 INFO [stderr] usermod: no changes
Dec 12 22:12:21.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 12 22:12:21.115 INFO [stderr]      Running /target/debug/deps/os-93e5da5208894127
Dec 12 22:12:21.121 INFO [stdout] 
Dec 12 22:12:21.121 INFO [stdout] running 0 tests
Dec 12 22:12:21.121 INFO [stdout] 
Dec 12 22:12:21.121 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 22:12:21.121 INFO [stdout] 
Dec 12 22:12:21.123 INFO [stderr] su: No module specific data is present
Dec 12 22:12:21.414 INFO running `"docker" "inspect" "e405a591cf7d74e682cf3852cb2e84468d84962629bab50dad8251a6798c12ae"`
Dec 12 22:12:21.516 INFO running `"docker" "rm" "-f" "e405a591cf7d74e682cf3852cb2e84468d84962629bab50dad8251a6798c12ae"`
Dec 12 22:12:21.632 INFO [stdout] e405a591cf7d74e682cf3852cb2e84468d84962629bab50dad8251a6798c12ae