Dec 18 16:30:27.240 INFO checking finchers-json-0.6.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:30:27.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/finchers-json/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:30:27.611 INFO [stdout] de386b7cb833bbfe9ed8840a5e2a2b691ed56bc3ce924309d28fb02c431a6c20
Dec 18 16:30:27.613 INFO running `"docker" "start" "-a" "de386b7cb833bbfe9ed8840a5e2a2b691ed56bc3ce924309d28fb02c431a6c20"`
Dec 18 16:30:28.656 INFO [stderr]     Checking url v1.5.1
Dec 18 16:30:29.963 INFO [stderr]     Checking finchers v0.6.0
Dec 18 16:30:32.854 INFO [stderr]     Checking finchers-json v0.6.0 (/opt/crater/workdir)
Dec 18 16:30:35.530 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
Dec 18 16:30:36.424 INFO running `"docker" "inspect" "de386b7cb833bbfe9ed8840a5e2a2b691ed56bc3ce924309d28fb02c431a6c20"`
Dec 18 16:30:36.672 INFO running `"docker" "rm" "-f" "de386b7cb833bbfe9ed8840a5e2a2b691ed56bc3ce924309d28fb02c431a6c20"`
Dec 18 16:30:37.054 INFO [stdout] de386b7cb833bbfe9ed8840a5e2a2b691ed56bc3ce924309d28fb02c431a6c20