Nov 27 17:36:39.131 INFO checking vksmgr/read_file against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 17:36:39.133 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 17:36:39.675 INFO [stdout] b5ecb384a8532177cdff1b9a7ae8b9e8d85cb175c1211c9fc4392cc59a048714
Nov 27 17:36:39.678 INFO running `"docker" "start" "-a" "b5ecb384a8532177cdff1b9a7ae8b9e8d85cb175c1211c9fc4392cc59a048714"`
Nov 27 17:36:42.191 INFO [stderr] usermod: no changes
Nov 27 17:36:42.268 INFO [stderr]     Checking os v0.1.0 (/source)
Nov 27 17:36:42.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:36:42.472 INFO [stderr]  --> src/main.rs:5:5
Nov 27 17:36:42.472 INFO [stderr]   |
Nov 27 17:36:42.472 INFO [stderr] 5 |     read_all_lines("test.txt");
Nov 27 17:36:42.472 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:36:42.472 INFO [stderr]   |
Nov 27 17:36:42.474 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 27 17:36:42.474 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:36:42.474 INFO [stderr] 
Nov 27 17:36:42.614 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:36:42.614 INFO [stderr]  --> src/main.rs:5:5
Nov 27 17:36:42.614 INFO [stderr]   |
Nov 27 17:36:42.614 INFO [stderr] 5 |     read_all_lines("test.txt");
Nov 27 17:36:42.614 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:36:42.614 INFO [stderr]   |
Nov 27 17:36:42.614 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 27 17:36:42.614 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:36:42.614 INFO [stderr] 
Nov 27 17:36:42.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Nov 27 17:36:42.658 INFO [stderr] su: No module specific data is present
Nov 27 17:36:44.018 INFO running `"docker" "inspect" "b5ecb384a8532177cdff1b9a7ae8b9e8d85cb175c1211c9fc4392cc59a048714"`
Nov 27 17:36:44.274 INFO running `"docker" "rm" "-f" "b5ecb384a8532177cdff1b9a7ae8b9e8d85cb175c1211c9fc4392cc59a048714"`
Nov 27 17:36:44.607 INFO [stdout] b5ecb384a8532177cdff1b9a7ae8b9e8d85cb175c1211c9fc4392cc59a048714