Dec 12 14:51:00.054 INFO checking from_variants_impl-0.4.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 14:51:00.054 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14:51:00.276 INFO [stdout] 069d5e3ade7c49982ae19a1d3098d885bdd00c30da5cce38b65b15f28290d837
Dec 12 14:51:00.280 INFO running `"docker" "start" "-a" "069d5e3ade7c49982ae19a1d3098d885bdd00c30da5cce38b65b15f28290d837"`
Dec 12 14:51:01.299 INFO [stderr] usermod: no changes
Dec 12 14:51:01.400 INFO [stderr]     Checking ident_case v1.0.0
Dec 12 14:51:01.409 INFO [stderr]    Compiling syn v0.13.11
Dec 12 14:51:09.211 INFO [stderr]     Checking darling_core v0.5.0
Dec 12 14:51:23.202 INFO [stderr]    Compiling darling_macro v0.5.0
Dec 12 14:51:25.650 INFO [stderr]     Checking darling v0.5.0
Dec 12 14:51:26.766 INFO [stderr]     Checking from_variants_impl v0.4.0 (/source)
Dec 12 14:51:28.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.46s
Dec 12 14:51:28.790 INFO [stderr] su: No module specific data is present
Dec 12 14:51:29.672 INFO running `"docker" "inspect" "069d5e3ade7c49982ae19a1d3098d885bdd00c30da5cce38b65b15f28290d837"`
Dec 12 14:51:30.000 INFO running `"docker" "rm" "-f" "069d5e3ade7c49982ae19a1d3098d885bdd00c30da5cce38b65b15f28290d837"`
Dec 12 14:51:30.290 INFO [stdout] 069d5e3ade7c49982ae19a1d3098d885bdd00c30da5cce38b65b15f28290d837