Dec 12 12:33:21.969 INFO checking json_str-0.5.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:33:21.969 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 12:33:22.512 INFO [stdout] f65237b5ec6bd9d10374bcddd683f34178fd05eb4c764e71c7ef4b36fb137a1e
Dec 12 12:33:22.515 INFO running `"docker" "start" "-a" "f65237b5ec6bd9d10374bcddd683f34178fd05eb4c764e71c7ef4b36fb137a1e"`
Dec 12 12:33:24.304 INFO [stderr] usermod: no changes
Dec 12 12:33:24.440 INFO [stderr]    Compiling json_str v0.5.2 (/source)
Dec 12 12:33:25.969 INFO [stderr] error[E0557]: feature has been removed
Dec 12 12:33:25.971 INFO [stderr]  --> benches/mod.rs:1:26
Dec 12 12:33:25.971 INFO [stderr]   |
Dec 12 12:33:25.971 INFO [stderr] 1 | #![feature(test, plugin, custom_derive)]
Dec 12 12:33:25.971 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 12 12:33:25.975 INFO [stderr]   |
Dec 12 12:33:25.975 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 12 12:33:25.975 INFO [stderr]  --> benches/mod.rs:1:26
Dec 12 12:33:25.975 INFO [stderr]   |
Dec 12 12:33:25.975 INFO [stderr] 1 | #![feature(test, plugin, custom_derive)]
Dec 12 12:33:25.975 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 12 12:33:25.975 INFO [stderr] 
Dec 12 12:33:26.712 INFO [stderr] error: aborting due to previous error
Dec 12 12:33:26.712 INFO [stderr] 
Dec 12 12:33:26.712 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 12 12:33:26.713 INFO [stderr] error: Could not compile `json_str`.
Dec 12 12:33:26.713 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 12:33:26.977 INFO [stderr] error: build failed
Dec 12 12:33:26.977 INFO [stderr] su: No module specific data is present
Dec 12 12:33:27.652 INFO running `"docker" "inspect" "f65237b5ec6bd9d10374bcddd683f34178fd05eb4c764e71c7ef4b36fb137a1e"`
Dec 12 12:33:27.936 INFO running `"docker" "rm" "-f" "f65237b5ec6bd9d10374bcddd683f34178fd05eb4c764e71c7ef4b36fb137a1e"`
Dec 12 12:33:28.120 INFO [stdout] f65237b5ec6bd9d10374bcddd683f34178fd05eb4c764e71c7ef4b36fb137a1e