Dec 12 12:33:18.642 INFO checking json_str-0.5.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 12:33:18.642 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12:33:19.161 INFO [stdout] 6016b73ceb38d06cb73d931b716ef43a3e64d93ee9d39212961b42d23ced045e
Dec 12 12:33:19.163 INFO running `"docker" "start" "-a" "6016b73ceb38d06cb73d931b716ef43a3e64d93ee9d39212961b42d23ced045e"`
Dec 12 12:33:20.775 INFO [stderr] usermod: no changes
Dec 12 12:33:20.832 INFO [stderr]    Compiling json_str v0.5.2 (/source)
Dec 12 12:33:23.120 INFO [stderr] error[E0557]: feature has been removed
Dec 12 12:33:23.120 INFO [stderr]  --> benches/mod.rs:1:26
Dec 12 12:33:23.120 INFO [stderr]   |
Dec 12 12:33:23.120 INFO [stderr] 1 | #![feature(test, plugin, custom_derive)]
Dec 12 12:33:23.120 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 12 12:33:23.120 INFO [stderr]   |
Dec 12 12:33:23.120 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 12 12:33:23.120 INFO [stderr]  --> benches/mod.rs:1:26
Dec 12 12:33:23.120 INFO [stderr]   |
Dec 12 12:33:23.120 INFO [stderr] 1 | #![feature(test, plugin, custom_derive)]
Dec 12 12:33:23.120 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 12 12:33:23.120 INFO [stderr] 
Dec 12 12:33:24.076 INFO [stderr] error: aborting due to previous error
Dec 12 12:33:24.076 INFO [stderr] 
Dec 12 12:33:24.076 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 12 12:33:24.080 INFO [stderr] error: Could not compile `json_str`.
Dec 12 12:33:24.080 INFO [stderr] 
Dec 12 12:33:24.080 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 12:33:24.088 INFO [stderr] su: No module specific data is present
Dec 12 12:33:24.926 INFO running `"docker" "inspect" "6016b73ceb38d06cb73d931b716ef43a3e64d93ee9d39212961b42d23ced045e"`
Dec 12 12:33:25.220 INFO running `"docker" "rm" "-f" "6016b73ceb38d06cb73d931b716ef43a3e64d93ee9d39212961b42d23ced045e"`
Dec 12 12:33:25.572 INFO [stdout] 6016b73ceb38d06cb73d931b716ef43a3e64d93ee9d39212961b42d23ced045e