Dec 12 15:48:34.145 INFO checking display-as-0.3.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 15:48:34.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 15:48:34.416 INFO [stdout] 22d48ba53b5c7d1fe3ac6b4f2271be2468069fb9b8207dae9aeb02c3cf2cd3b5
Dec 12 15:48:34.418 INFO running `"docker" "start" "-a" "22d48ba53b5c7d1fe3ac6b4f2271be2468069fb9b8207dae9aeb02c3cf2cd3b5"`
Dec 12 15:48:35.706 INFO [stderr] usermod: no changes
Dec 12 15:48:36.032 INFO [stderr]    Compiling syn v0.15.22
Dec 12 15:48:39.092 INFO [stderr]    Compiling proc-macro-hack v0.5.3
Dec 12 15:48:41.828 INFO [stderr]    Compiling display-as-proc-macro v0.3.0
Dec 12 15:48:43.852 INFO [stderr]     Checking display-as v0.3.1 (/source)
Dec 12 15:48:50.778 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.04s
Dec 12 15:48:50.805 INFO [stderr] su: No module specific data is present
Dec 12 15:48:51.787 INFO running `"docker" "inspect" "22d48ba53b5c7d1fe3ac6b4f2271be2468069fb9b8207dae9aeb02c3cf2cd3b5"`
Dec 12 15:48:52.102 INFO running `"docker" "rm" "-f" "22d48ba53b5c7d1fe3ac6b4f2271be2468069fb9b8207dae9aeb02c3cf2cd3b5"`
Dec 12 15:48:52.424 INFO [stdout] 22d48ba53b5c7d1fe3ac6b4f2271be2468069fb9b8207dae9aeb02c3cf2cd3b5