Dec 05 08:28:51.467 INFO checking rctree-0.2.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 08:28:51.467 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 08:28:51.993 INFO [stdout] f8367cb05cf92cbd39e616c27defb65090fb2cbddae269cfcdbf311184217ffd
Dec 05 08:28:51.997 INFO running `"docker" "start" "-a" "f8367cb05cf92cbd39e616c27defb65090fb2cbddae269cfcdbf311184217ffd"`
Dec 05 08:28:53.346 INFO [stderr] usermod: no changes
Dec 05 08:28:53.494 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 05 08:28:53.494 INFO [stderr]     Checking rctree v0.2.1 (/source)
Dec 05 08:28:57.143 INFO [stderr]    Compiling quote v0.6.10
Dec 05 08:28:58.187 INFO [stderr]    Compiling syn v0.15.22
Dec 05 08:29:06.055 INFO [stderr]    Compiling indoc-impl v0.2.8
Dec 05 08:29:08.260 INFO [stderr]     Checking indoc v0.2.8
Dec 05 08:29:10.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.17s
Dec 05 08:29:10.540 INFO [stderr] su: No module specific data is present
Dec 05 08:29:11.319 INFO running `"docker" "inspect" "f8367cb05cf92cbd39e616c27defb65090fb2cbddae269cfcdbf311184217ffd"`
Dec 05 08:29:11.715 INFO running `"docker" "rm" "-f" "f8367cb05cf92cbd39e616c27defb65090fb2cbddae269cfcdbf311184217ffd"`
Dec 05 08:29:11.983 INFO [stdout] f8367cb05cf92cbd39e616c27defb65090fb2cbddae269cfcdbf311184217ffd