Dec 04 14:05:49.485 INFO checking mike706574/rust-json-file-deserialization-example against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:05:49.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 14:05:49.932 INFO [stdout] 1019cb06214669daa1e7051fec8ee5c7fe0d2a07733c563a695ac6eaedfdc470
Dec 04 14:05:49.939 INFO running `"docker" "start" "-a" "1019cb06214669daa1e7051fec8ee5c7fe0d2a07733c563a695ac6eaedfdc470"`
Dec 04 14:05:50.775 INFO [stderr] usermod: no changes
Dec 04 14:05:50.855 INFO [stderr]     Checking serde_json v1.0.2
Dec 04 14:05:52.943 INFO [stderr]     Checking foo v0.1.0 (/source)
Dec 04 14:05:53.670 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:05:53.671 INFO [stderr]   --> src/main.rs:26:5
Dec 04 14:05:53.671 INFO [stderr]    |
Dec 04 14:05:53.671 INFO [stderr] 26 |     example();
Dec 04 14:05:53.671 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 14:05:53.671 INFO [stderr]    |
Dec 04 14:05:53.671 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:05:53.671 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:05:53.671 INFO [stderr] 
Dec 04 14:05:53.751 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:05:53.751 INFO [stderr]   --> src/main.rs:26:5
Dec 04 14:05:53.751 INFO [stderr]    |
Dec 04 14:05:53.751 INFO [stderr] 26 |     example();
Dec 04 14:05:53.751 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 14:05:53.751 INFO [stderr]    |
Dec 04 14:05:53.751 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:05:53.751 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:05:53.751 INFO [stderr] 
Dec 04 14:05:53.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
Dec 04 14:05:53.799 INFO [stderr] su: No module specific data is present
Dec 04 14:05:54.725 INFO running `"docker" "inspect" "1019cb06214669daa1e7051fec8ee5c7fe0d2a07733c563a695ac6eaedfdc470"`
Dec 04 14:05:55.027 INFO running `"docker" "rm" "-f" "1019cb06214669daa1e7051fec8ee5c7fe0d2a07733c563a695ac6eaedfdc470"`
Dec 04 14:05:55.299 INFO [stdout] 1019cb06214669daa1e7051fec8ee5c7fe0d2a07733c563a695ac6eaedfdc470