Dec 12 15:26:37.596 INFO checking enum_to_str_derive-0.3.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:26:37.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 15:26:37.796 INFO [stdout] 126a25cd468a2cc287e4bdec76c9f268070c9d5ba6c8c01507c00a8f100d854d
Dec 12 15:26:37.798 INFO running `"docker" "start" "-a" "126a25cd468a2cc287e4bdec76c9f268070c9d5ba6c8c01507c00a8f100d854d"`
Dec 12 15:26:38.259 INFO [stderr] usermod: no changes
Dec 12 15:26:38.304 INFO [stderr]     Checking syn v0.15.22
Dec 12 15:26:42.584 INFO [stderr]     Checking proc_macro_helper v0.3.0
Dec 12 15:26:43.512 INFO [stderr]     Checking enum_to_str_derive v0.3.0 (/source)
Dec 12 15:26:44.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
Dec 12 15:26:44.783 INFO [stderr] su: No module specific data is present
Dec 12 15:26:45.196 INFO running `"docker" "inspect" "126a25cd468a2cc287e4bdec76c9f268070c9d5ba6c8c01507c00a8f100d854d"`
Dec 12 15:26:45.306 INFO running `"docker" "rm" "-f" "126a25cd468a2cc287e4bdec76c9f268070c9d5ba6c8c01507c00a8f100d854d"`
Dec 12 15:26:45.467 INFO [stdout] 126a25cd468a2cc287e4bdec76c9f268070c9d5ba6c8c01507c00a8f100d854d