Nov 29 15:29:01.342 INFO checking vksmgr/read_file against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 15:29:01.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 29 15:29:01.768 INFO [stdout] 618ed89eea78ad812881110230e09e3b21eec4a139e2571099cf6ea426e0af24
Nov 29 15:29:01.770 INFO running `"docker" "start" "-a" "618ed89eea78ad812881110230e09e3b21eec4a139e2571099cf6ea426e0af24"`
Nov 29 15:29:03.256 INFO [stderr] usermod: no changes
Nov 29 15:29:03.292 INFO [stderr]     Checking os v0.1.0 (/source)
Nov 29 15:29:03.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:29:03.505 INFO [stderr]  --> src/main.rs:5:5
Nov 29 15:29:03.505 INFO [stderr]   |
Nov 29 15:29:03.505 INFO [stderr] 5 |     read_all_lines("test.txt");
Nov 29 15:29:03.505 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:29:03.505 INFO [stderr]   |
Nov 29 15:29:03.505 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 29 15:29:03.505 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:29:03.505 INFO [stderr] 
Nov 29 15:29:03.600 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 15:29:03.600 INFO [stderr]  --> src/main.rs:5:5
Nov 29 15:29:03.600 INFO [stderr]   |
Nov 29 15:29:03.600 INFO [stderr] 5 |     read_all_lines("test.txt");
Nov 29 15:29:03.600 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:29:03.600 INFO [stderr]   |
Nov 29 15:29:03.600 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 29 15:29:03.600 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 15:29:03.600 INFO [stderr] 
Nov 29 15:29:03.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Nov 29 15:29:03.614 INFO [stderr] su: No module specific data is present
Nov 29 15:29:05.008 INFO running `"docker" "inspect" "618ed89eea78ad812881110230e09e3b21eec4a139e2571099cf6ea426e0af24"`
Nov 29 15:29:05.384 INFO running `"docker" "rm" "-f" "618ed89eea78ad812881110230e09e3b21eec4a139e2571099cf6ea426e0af24"`
Nov 29 15:29:05.614 INFO [stdout] 618ed89eea78ad812881110230e09e3b21eec4a139e2571099cf6ea426e0af24