Dec 05 16:53:57.729 INFO checking ai-graph-0.0.18 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:53:57.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05 16:53:58.143 INFO [stdout] 2d75ce4023c8fefd4d2ef00af339dc455c831254b2478c66e8768a27ff2ea7fc
Dec 05 16:53:58.151 INFO running `"docker" "start" "-a" "2d75ce4023c8fefd4d2ef00af339dc455c831254b2478c66e8768a27ff2ea7fc"`
Dec 05 16:53:59.540 INFO [stderr] usermod: no changes
Dec 05 16:53:59.695 INFO [stderr]     Checking crossterm v0.4.3
Dec 05 16:53:59.695 INFO [stderr]     Checking noughts_and_crosses_lib v0.0.3
Dec 05 16:53:59.706 INFO [stderr]     Checking ai-graph v0.0.18 (/source)
Dec 05 16:54:01.651 INFO [stderr]     Checking dont_disappear v2.2.0
Dec 05 16:54:02.946 INFO [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 05 16:54:02.947 INFO [stderr]  --> src/lib.rs:5:12
Dec 05 16:54:02.947 INFO [stderr]   |
Dec 05 16:54:02.947 INFO [stderr] 5 | #![feature(tool_lints)]
Dec 05 16:54:02.947 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 16:54:02.947 INFO [stderr]   |
Dec 05 16:54:02.947 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 16:54:02.947 INFO [stderr] 
Dec 05 16:54:05.503 INFO [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 05 16:54:05.503 INFO [stderr]  --> src/lib.rs:5:12
Dec 05 16:54:05.503 INFO [stderr]   |
Dec 05 16:54:05.503 INFO [stderr] 5 | #![feature(tool_lints)]
Dec 05 16:54:05.503 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 16:54:05.503 INFO [stderr]   |
Dec 05 16:54:05.503 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 16:54:05.503 INFO [stderr] 
Dec 05 16:54:05.979 INFO [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 05 16:54:05.979 INFO [stderr]  --> examples/noughts-and-crosses-random-train/main.rs:1:12
Dec 05 16:54:05.979 INFO [stderr]   |
Dec 05 16:54:05.979 INFO [stderr] 1 | #![feature(tool_lints)]
Dec 05 16:54:05.979 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 16:54:05.979 INFO [stderr]   |
Dec 05 16:54:05.979 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 16:54:05.979 INFO [stderr] 
Dec 05 16:54:06.206 INFO [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 05 16:54:06.206 INFO [stderr]  --> examples/less-simple-example/main.rs:1:12
Dec 05 16:54:06.206 INFO [stderr]   |
Dec 05 16:54:06.206 INFO [stderr] 1 | #![feature(tool_lints)]
Dec 05 16:54:06.206 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 16:54:06.206 INFO [stderr]   |
Dec 05 16:54:06.206 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 16:54:06.206 INFO [stderr] 
Dec 05 16:54:06.226 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
Dec 05 16:54:06.231 INFO [stderr] su: No module specific data is present
Dec 05 16:54:06.727 INFO running `"docker" "inspect" "2d75ce4023c8fefd4d2ef00af339dc455c831254b2478c66e8768a27ff2ea7fc"`
Dec 05 16:54:07.118 INFO running `"docker" "rm" "-f" "2d75ce4023c8fefd4d2ef00af339dc455c831254b2478c66e8768a27ff2ea7fc"`
Dec 05 16:54:07.351 INFO [stdout] 2d75ce4023c8fefd4d2ef00af339dc455c831254b2478c66e8768a27ff2ea7fc