Dec 19 21:36:18.349 INFO checking TomLingham/zaity against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:36:18.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/TomLingham/zaity:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:36:18.638 INFO [stdout] e219fdfec12048cce96fe370bdd55990d2fd65f9f862bec0d18c086abab7c18d
Dec 19 21:36:18.640 INFO running `"docker" "start" "-a" "e219fdfec12048cce96fe370bdd55990d2fd65f9f862bec0d18c086abab7c18d"`
Dec 19 21:36:19.450 INFO [stderr]     Checking zaity v0.1.0 (/opt/crater/workdir)
Dec 19 21:36:19.728 INFO [stderr] warning: unused variable: `cpu_json`
Dec 19 21:36:19.728 INFO [stderr]   --> src/main.rs:23:9
Dec 19 21:36:19.728 INFO [stderr]    |
Dec 19 21:36:19.728 INFO [stderr] 23 |     let cpu_json: Value = serde_json::from_str(&json_str).unwrap();
Dec 19 21:36:19.728 INFO [stderr]    |         ^^^^^^^^ help: consider using `_cpu_json` instead
Dec 19 21:36:19.728 INFO [stderr]    |
Dec 19 21:36:19.728 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:36:19.728 INFO [stderr] 
Dec 19 21:36:19.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:36:19.736 INFO [stderr]   --> src/main.rs:38:5
Dec 19 21:36:19.736 INFO [stderr]    |
Dec 19 21:36:19.736 INFO [stderr] 38 |     file.read_to_end(&mut buffer);
Dec 19 21:36:19.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:36:19.736 INFO [stderr]    |
Dec 19 21:36:19.736 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:36:19.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:36:19.736 INFO [stderr] 
Dec 19 21:36:19.744 INFO [stderr] warning: unused variable: `cpu_json`
Dec 19 21:36:19.745 INFO [stderr]   --> src/main.rs:23:9
Dec 19 21:36:19.745 INFO [stderr]    |
Dec 19 21:36:19.745 INFO [stderr] 23 |     let cpu_json: Value = serde_json::from_str(&json_str).unwrap();
Dec 19 21:36:19.745 INFO [stderr]    |         ^^^^^^^^ help: consider using `_cpu_json` instead
Dec 19 21:36:19.745 INFO [stderr]    |
Dec 19 21:36:19.745 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:36:19.745 INFO [stderr] 
Dec 19 21:36:19.751 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:36:19.752 INFO [stderr]   --> src/main.rs:38:5
Dec 19 21:36:19.752 INFO [stderr]    |
Dec 19 21:36:19.752 INFO [stderr] 38 |     file.read_to_end(&mut buffer);
Dec 19 21:36:19.752 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:36:19.752 INFO [stderr]    |
Dec 19 21:36:19.752 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:36:19.752 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:36:19.752 INFO [stderr] 
Dec 19 21:36:19.778 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 19 21:36:20.354 INFO running `"docker" "inspect" "e219fdfec12048cce96fe370bdd55990d2fd65f9f862bec0d18c086abab7c18d"`
Dec 19 21:36:20.550 INFO running `"docker" "rm" "-f" "e219fdfec12048cce96fe370bdd55990d2fd65f9f862bec0d18c086abab7c18d"`
Dec 19 21:36:20.934 INFO [stdout] e219fdfec12048cce96fe370bdd55990d2fd65f9f862bec0d18c086abab7c18d