Dec 18 14:45:19.417 INFO checking json_str-0.5.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:45:19.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/json_str/0.5.2:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:45:19.888 INFO [stdout] dc2a9f6cab3b7abcd6721840f5e2a07d92fe28084c444ea06448322b2d7ae58c
Dec 18 14:45:19.894 INFO running `"docker" "start" "-a" "dc2a9f6cab3b7abcd6721840f5e2a07d92fe28084c444ea06448322b2d7ae58c"`
Dec 18 14:45:21.840 INFO [stderr]    Compiling json_str v0.5.2 (/opt/crater/workdir)
Dec 18 14:45:22.988 INFO [stderr] error[E0557]: feature has been removed
Dec 18 14:45:22.989 INFO [stderr]  --> benches/mod.rs:1:26
Dec 18 14:45:22.989 INFO [stderr]   |
Dec 18 14:45:22.989 INFO [stderr] 1 | #![feature(test, plugin, custom_derive)]
Dec 18 14:45:22.990 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 18 14:45:22.990 INFO [stderr]   |
Dec 18 14:45:22.990 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 18 14:45:22.990 INFO [stderr]  --> benches/mod.rs:1:26
Dec 18 14:45:22.990 INFO [stderr]   |
Dec 18 14:45:22.991 INFO [stderr] 1 | #![feature(test, plugin, custom_derive)]
Dec 18 14:45:22.991 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 18 14:45:22.991 INFO [stderr] 
Dec 18 14:45:23.221 INFO [stderr] error: aborting due to previous error
Dec 18 14:45:23.221 INFO [stderr] 
Dec 18 14:45:23.221 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 18 14:45:23.223 INFO [stderr] error: Could not compile `json_str`.
Dec 18 14:45:23.223 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 14:45:23.284 INFO [stderr] error: build failed
Dec 18 14:45:24.397 INFO running `"docker" "inspect" "dc2a9f6cab3b7abcd6721840f5e2a07d92fe28084c444ea06448322b2d7ae58c"`
Dec 18 14:45:24.748 INFO running `"docker" "rm" "-f" "dc2a9f6cab3b7abcd6721840f5e2a07d92fe28084c444ea06448322b2d7ae58c"`
Dec 18 14:45:25.028 INFO [stdout] dc2a9f6cab3b7abcd6721840f5e2a07d92fe28084c444ea06448322b2d7ae58c