Nov 29 22:17:42.609 INFO checking mike706574/rust-json-file-deserialization-example against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 22:17:42.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 22:17:42.936 INFO [stdout] 8ea6286850dde9d195b2c0dfa5a9aadbdb11d1516932960116adc2088c0cc0eb
Nov 29 22:17:42.936 INFO running `"docker" "start" "-a" "8ea6286850dde9d195b2c0dfa5a9aadbdb11d1516932960116adc2088c0cc0eb"`
Nov 29 22:17:43.944 INFO [stderr] usermod: no changes
Nov 29 22:17:44.036 INFO [stderr]     Checking foo v0.1.0 (/source)
Nov 29 22:17:44.729 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:17:44.729 INFO [stderr]   --> src/main.rs:26:5
Nov 29 22:17:44.729 INFO [stderr]    |
Nov 29 22:17:44.729 INFO [stderr] 26 |     example();
Nov 29 22:17:44.729 INFO [stderr]    |     ^^^^^^^^^^
Nov 29 22:17:44.729 INFO [stderr]    |
Nov 29 22:17:44.729 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 22:17:44.729 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:17:44.729 INFO [stderr] 
Nov 29 22:17:44.735 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 22:17:44.735 INFO [stderr]   --> src/main.rs:26:5
Nov 29 22:17:44.735 INFO [stderr]    |
Nov 29 22:17:44.735 INFO [stderr] 26 |     example();
Nov 29 22:17:44.735 INFO [stderr]    |     ^^^^^^^^^^
Nov 29 22:17:44.735 INFO [stderr]    |
Nov 29 22:17:44.735 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 22:17:44.735 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:17:44.735 INFO [stderr] 
Nov 29 22:17:44.777 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Nov 29 22:17:44.792 INFO [stderr] su: No module specific data is present
Nov 29 22:17:45.649 INFO running `"docker" "inspect" "8ea6286850dde9d195b2c0dfa5a9aadbdb11d1516932960116adc2088c0cc0eb"`
Nov 29 22:17:45.870 INFO running `"docker" "rm" "-f" "8ea6286850dde9d195b2c0dfa5a9aadbdb11d1516932960116adc2088c0cc0eb"`
Nov 29 22:17:46.168 INFO [stdout] 8ea6286850dde9d195b2c0dfa5a9aadbdb11d1516932960116adc2088c0cc0eb