Dec 12 07:43:31.269 INFO checking serde_with-0.2.5 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:43:31.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 07:43:31.794 INFO [stdout] 3272105b7a7e3df5a17d81345ed3a4e93d5d25f201ae5c661dd04a6e16cadeec
Dec 12 07:43:31.796 INFO running `"docker" "start" "-a" "3272105b7a7e3df5a17d81345ed3a4e93d5d25f201ae5c661dd04a6e16cadeec"`
Dec 12 07:43:33.406 INFO [stderr] usermod: no changes
Dec 12 07:43:33.536 INFO [stderr]     Checking serde v1.0.82
Dec 12 07:43:43.460 INFO [stderr]     Checking ron v0.4.0
Dec 12 07:43:43.460 INFO [stderr]     Checking serde_json v1.0.33
Dec 12 07:43:43.460 INFO [stderr]     Checking serde_with v0.2.5 (/source)
Dec 12 07:43:54.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.66s
Dec 12 07:43:54.112 INFO [stderr] su: No module specific data is present
Dec 12 07:43:54.743 INFO running `"docker" "inspect" "3272105b7a7e3df5a17d81345ed3a4e93d5d25f201ae5c661dd04a6e16cadeec"`
Dec 12 07:43:55.157 INFO running `"docker" "rm" "-f" "3272105b7a7e3df5a17d81345ed3a4e93d5d25f201ae5c661dd04a6e16cadeec"`
Dec 12 07:43:55.509 INFO [stdout] 3272105b7a7e3df5a17d81345ed3a4e93d5d25f201ae5c661dd04a6e16cadeec