Dec 11 23:54:49.265 INFO checking TomLingham/zaity against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 23:54:49.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 23:54:49.660 INFO [stdout] 6093435009e18f542b4043402ff3d6f97347befcd013f07d0cb4adba8f56570d
Dec 11 23:54:49.662 INFO running `"docker" "start" "-a" "6093435009e18f542b4043402ff3d6f97347befcd013f07d0cb4adba8f56570d"`
Dec 11 23:54:51.328 INFO [stderr] usermod: no changes
Dec 11 23:54:51.423 INFO [stderr]     Checking serde v1.0.7
Dec 11 23:54:59.372 INFO [stderr]     Checking serde_json v1.0.2
Dec 11 23:55:01.414 INFO [stderr]     Checking zaity v0.1.0 (/source)
Dec 11 23:55:02.219 INFO [stderr] warning: unused variable: `cpu_json`
Dec 11 23:55:02.220 INFO [stderr]   --> src/main.rs:23:9
Dec 11 23:55:02.220 INFO [stderr]    |
Dec 11 23:55:02.220 INFO [stderr] 23 |     let cpu_json: Value = serde_json::from_str(&json_str).unwrap();
Dec 11 23:55:02.221 INFO [stderr]    |         ^^^^^^^^ help: consider using `_cpu_json` instead
Dec 11 23:55:02.221 INFO [stderr]    |
Dec 11 23:55:02.221 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:55:02.221 INFO [stderr] 
Dec 11 23:55:02.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:55:02.231 INFO [stderr]   --> src/main.rs:38:5
Dec 11 23:55:02.232 INFO [stderr]    |
Dec 11 23:55:02.232 INFO [stderr] 38 |     file.read_to_end(&mut buffer);
Dec 11 23:55:02.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:55:02.233 INFO [stderr]    |
Dec 11 23:55:02.233 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 23:55:02.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:55:02.234 INFO [stderr] 
Dec 11 23:55:02.332 INFO [stderr] warning: unused variable: `cpu_json`
Dec 11 23:55:02.333 INFO [stderr]   --> src/main.rs:23:9
Dec 11 23:55:02.333 INFO [stderr]    |
Dec 11 23:55:02.333 INFO [stderr] 23 |     let cpu_json: Value = serde_json::from_str(&json_str).unwrap();
Dec 11 23:55:02.334 INFO [stderr]    |         ^^^^^^^^ help: consider using `_cpu_json` instead
Dec 11 23:55:02.334 INFO [stderr]    |
Dec 11 23:55:02.334 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:55:02.334 INFO [stderr] 
Dec 11 23:55:02.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 23:55:02.357 INFO [stderr]   --> src/main.rs:38:5
Dec 11 23:55:02.357 INFO [stderr]    |
Dec 11 23:55:02.357 INFO [stderr] 38 |     file.read_to_end(&mut buffer);
Dec 11 23:55:02.358 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:55:02.358 INFO [stderr]    |
Dec 11 23:55:02.358 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 23:55:02.359 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 23:55:02.359 INFO [stderr] 
Dec 11 23:55:02.393 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
Dec 11 23:55:02.396 INFO [stderr] su: No module specific data is present
Dec 11 23:55:03.654 INFO running `"docker" "inspect" "6093435009e18f542b4043402ff3d6f97347befcd013f07d0cb4adba8f56570d"`
Dec 11 23:55:03.946 INFO running `"docker" "rm" "-f" "6093435009e18f542b4043402ff3d6f97347befcd013f07d0cb4adba8f56570d"`
Dec 11 23:55:04.300 INFO [stdout] 6093435009e18f542b4043402ff3d6f97347befcd013f07d0cb4adba8f56570d