Dec 12 13:31:21.289 INFO checking grin_util-0.4.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 13:31:21.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 13:31:21.697 INFO [stdout] d5dd62e0a62b366ebb72b04a4c302b1ec3dbb466e364a30631b46dfc9a743c98
Dec 12 13:31:21.704 INFO running `"docker" "start" "-a" "d5dd62e0a62b366ebb72b04a4c302b1ec3dbb466e364a30631b46dfc9a743c98"`
Dec 12 13:31:23.192 INFO [stderr] usermod: no changes
Dec 12 13:31:23.533 INFO [stderr]    Compiling grin_secp256k1zkp v0.7.2
Dec 12 13:31:23.536 INFO [stderr]     Checking flate2 v1.0.6
Dec 12 13:31:26.782 INFO [stderr]     Checking log4rs v0.8.1
Dec 12 13:31:26.789 INFO [stderr]     Checking zip v0.4.2
Dec 12 13:31:34.317 INFO [stderr]     Checking grin_util v0.4.2 (/source)
Dec 12 13:31:55.817 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.57s
Dec 12 13:31:55.827 INFO [stderr] su: No module specific data is present
Dec 12 13:31:57.122 INFO running `"docker" "inspect" "d5dd62e0a62b366ebb72b04a4c302b1ec3dbb466e364a30631b46dfc9a743c98"`
Dec 12 13:31:57.506 INFO running `"docker" "rm" "-f" "d5dd62e0a62b366ebb72b04a4c302b1ec3dbb466e364a30631b46dfc9a743c98"`
Dec 12 13:31:57.776 INFO [stdout] d5dd62e0a62b366ebb72b04a4c302b1ec3dbb466e364a30631b46dfc9a743c98