Dec 19 18:36:26.309 INFO checking cthi/json_parse against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:36:26.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/cthi/json_parse:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:36:26.745 INFO [stdout] 0cf55dd4b4161b2e0db2ccb8484681557972cfde87920bce0d6fca6f092910a2
Dec 19 18:36:26.747 INFO running `"docker" "start" "-a" "0cf55dd4b4161b2e0db2ccb8484681557972cfde87920bce0d6fca6f092910a2"`
Dec 19 18:36:28.384 INFO [stderr]     Checking json_parse v0.1.0 (/opt/crater/workdir)
Dec 19 18:36:28.976 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 19 18:36:28.976 INFO [stderr]  --> src/main.rs:1:12
Dec 19 18:36:28.976 INFO [stderr]   |
Dec 19 18:36:28.976 INFO [stderr] 1 | #![feature(option_filter)]
Dec 19 18:36:28.976 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 19 18:36:28.976 INFO [stderr]   |
Dec 19 18:36:28.976 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 18:36:28.976 INFO [stderr] 
Dec 19 18:36:28.976 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 19 18:36:28.976 INFO [stderr]  --> src/main.rs:1:12
Dec 19 18:36:28.976 INFO [stderr]   |
Dec 19 18:36:28.976 INFO [stderr] 1 | #![feature(option_filter)]
Dec 19 18:36:28.976 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 19 18:36:28.976 INFO [stderr]   |
Dec 19 18:36:28.976 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 18:36:28.976 INFO [stderr] 
Dec 19 18:36:29.043 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 19 18:36:30.024 INFO running `"docker" "inspect" "0cf55dd4b4161b2e0db2ccb8484681557972cfde87920bce0d6fca6f092910a2"`
Dec 19 18:36:30.296 INFO running `"docker" "rm" "-f" "0cf55dd4b4161b2e0db2ccb8484681557972cfde87920bce0d6fca6f092910a2"`
Dec 19 18:36:30.588 INFO [stdout] 0cf55dd4b4161b2e0db2ccb8484681557972cfde87920bce0d6fca6f092910a2