Dec 05 02:36:09.923 INFO testing vksmgr/read_file against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 02:36:09.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 02:36:10.346 INFO [stdout] 1ec61e1779e9d94fb97d94aeab771694a75c97dd3a4868e9d0d2657b6f7ac1cf
Dec 05 02:36:10.352 INFO running `"docker" "start" "-a" "1ec61e1779e9d94fb97d94aeab771694a75c97dd3a4868e9d0d2657b6f7ac1cf"`
Dec 05 02:36:11.484 INFO [stderr] usermod: no changes
Dec 05 02:36:11.538 INFO [stderr]    Compiling os v0.1.0 (/source)
Dec 05 02:36:11.776 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:36:11.776 INFO [stderr]  --> src/main.rs:5:5
Dec 05 02:36:11.776 INFO [stderr]   |
Dec 05 02:36:11.776 INFO [stderr] 5 |     read_all_lines("test.txt");
Dec 05 02:36:11.776 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:36:11.776 INFO [stderr]   |
Dec 05 02:36:11.776 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 02:36:11.776 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:36:11.776 INFO [stderr] 
Dec 05 02:36:12.413 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 05 02:36:12.415 INFO [stderr] su: No module specific data is present
Dec 05 02:36:12.991 INFO running `"docker" "inspect" "1ec61e1779e9d94fb97d94aeab771694a75c97dd3a4868e9d0d2657b6f7ac1cf"`
Dec 05 02:36:13.310 INFO running `"docker" "rm" "-f" "1ec61e1779e9d94fb97d94aeab771694a75c97dd3a4868e9d0d2657b6f7ac1cf"`
Dec 05 02:36:13.608 INFO [stdout] 1ec61e1779e9d94fb97d94aeab771694a75c97dd3a4868e9d0d2657b6f7ac1cf
Dec 05 02:36:13.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 02:36:14.210 INFO [stdout] ce76d9e1b4a520b225721876621bf310cbe3f3a31b66fea4b57da50d0c3fa002
Dec 05 02:36:14.210 INFO running `"docker" "start" "-a" "ce76d9e1b4a520b225721876621bf310cbe3f3a31b66fea4b57da50d0c3fa002"`
Dec 05 02:36:15.335 INFO [stderr] usermod: no changes
Dec 05 02:36:15.392 INFO [stderr]    Compiling os v0.1.0 (/source)
Dec 05 02:36:15.624 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:36:15.624 INFO [stderr]  --> src/main.rs:5:5
Dec 05 02:36:15.624 INFO [stderr]   |
Dec 05 02:36:15.624 INFO [stderr] 5 |     read_all_lines("test.txt");
Dec 05 02:36:15.624 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:36:15.624 INFO [stderr]   |
Dec 05 02:36:15.624 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 05 02:36:15.624 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:36:15.624 INFO [stderr] 
Dec 05 02:36:15.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 05 02:36:15.974 INFO [stderr] su: No module specific data is present
Dec 05 02:36:16.706 INFO running `"docker" "inspect" "ce76d9e1b4a520b225721876621bf310cbe3f3a31b66fea4b57da50d0c3fa002"`
Dec 05 02:36:16.978 INFO running `"docker" "rm" "-f" "ce76d9e1b4a520b225721876621bf310cbe3f3a31b66fea4b57da50d0c3fa002"`
Dec 05 02:36:17.328 INFO [stdout] ce76d9e1b4a520b225721876621bf310cbe3f3a31b66fea4b57da50d0c3fa002
Dec 05 02:36:17.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 02:36:17.988 INFO [stdout] 0a2c3b9ed64f1528b903dff8a37f3643118bd355c809b073745811eb88537f48
Dec 05 02:36:17.990 INFO running `"docker" "start" "-a" "0a2c3b9ed64f1528b903dff8a37f3643118bd355c809b073745811eb88537f48"`
Dec 05 02:36:19.221 INFO [stderr] usermod: no changes
Dec 05 02:36:19.268 INFO [stdout] 
Dec 05 02:36:19.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 02:36:19.268 INFO [stdout] running 0 tests
Dec 05 02:36:19.268 INFO [stderr]      Running /target/debug/deps/os-a6ba0494f38f0a14
Dec 05 02:36:19.268 INFO [stdout] 
Dec 05 02:36:19.268 INFO [stderr] su: No module specific data is present
Dec 05 02:36:19.268 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 02:36:19.268 INFO [stdout] 
Dec 05 02:36:19.972 INFO running `"docker" "inspect" "0a2c3b9ed64f1528b903dff8a37f3643118bd355c809b073745811eb88537f48"`
Dec 05 02:36:20.214 INFO running `"docker" "rm" "-f" "0a2c3b9ed64f1528b903dff8a37f3643118bd355c809b073745811eb88537f48"`
Dec 05 02:36:20.536 INFO [stdout] 0a2c3b9ed64f1528b903dff8a37f3643118bd355c809b073745811eb88537f48