Nov 28 00:37:58.098 INFO checking mike706574/rust-json-file-deserialization-example against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:37:58.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 28 00:37:58.559 INFO [stdout] dc5cd13974197ce1843c97c5ab7522d28252ca1d4f4287efeff84b638cd6ba14
Nov 28 00:37:58.581 INFO running `"docker" "start" "-a" "dc5cd13974197ce1843c97c5ab7522d28252ca1d4f4287efeff84b638cd6ba14"`
Nov 28 00:37:59.393 INFO [stderr] usermod: no changes
Nov 28 00:37:59.464 INFO [stderr]     Checking serde_json v1.0.2
Nov 28 00:37:59.464 INFO [stderr]    Compiling serde_derive v1.0.10
Nov 28 00:38:07.411 INFO [stderr]     Checking foo v0.1.0 (/source)
Nov 28 00:38:07.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 00:38:07.997 INFO [stderr]   --> src/main.rs:26:5
Nov 28 00:38:07.997 INFO [stderr]    |
Nov 28 00:38:07.997 INFO [stderr] 26 |     example();
Nov 28 00:38:07.997 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 00:38:07.997 INFO [stderr]    |
Nov 28 00:38:07.997 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 00:38:07.997 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:38:07.997 INFO [stderr] 
Nov 28 00:38:08.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 00:38:08.112 INFO [stderr]   --> src/main.rs:26:5
Nov 28 00:38:08.112 INFO [stderr]    |
Nov 28 00:38:08.112 INFO [stderr] 26 |     example();
Nov 28 00:38:08.112 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 00:38:08.112 INFO [stderr]    |
Nov 28 00:38:08.112 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 00:38:08.112 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:38:08.112 INFO [stderr] 
Nov 28 00:38:08.153 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
Nov 28 00:38:08.161 INFO [stderr] su: No module specific data is present
Nov 28 00:38:09.693 INFO running `"docker" "inspect" "dc5cd13974197ce1843c97c5ab7522d28252ca1d4f4287efeff84b638cd6ba14"`
Nov 28 00:38:10.062 INFO running `"docker" "rm" "-f" "dc5cd13974197ce1843c97c5ab7522d28252ca1d4f4287efeff84b638cd6ba14"`
Nov 28 00:38:10.368 INFO [stdout] dc5cd13974197ce1843c97c5ab7522d28252ca1d4f4287efeff84b638cd6ba14