Dec 14 13:00:34.782 INFO testing zerodmg-0.1.9 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 13:00:34.782 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 13:00:35.239 INFO [stdout] 5601c377ea35aed20159f1e7cb54082a3cda3d1ae018e6116236e1b86b665552
Dec 14 13:00:35.247 INFO running `"docker" "start" "-a" "5601c377ea35aed20159f1e7cb54082a3cda3d1ae018e6116236e1b86b665552"`
Dec 14 13:00:37.072 INFO [stderr] usermod: no changes
Dec 14 13:00:37.127 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 14 13:00:37.455 INFO [stderr]    Compiling syn v0.13.11
Dec 14 13:00:37.467 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 14 13:00:44.762 INFO [stderr]    Compiling image v0.19.0
Dec 14 13:00:54.891 INFO [stderr]    Compiling derive_more v0.11.0
Dec 14 13:01:10.855 INFO [stderr]    Compiling zerodmg-utils v0.1.9
Dec 14 13:01:11.475 INFO [stderr]    Compiling zerodmg-codes v0.1.9
Dec 14 13:01:12.751 INFO [stderr] error[E0635]: unknown feature `rust_2018_idioms`
Dec 14 13:01:12.751 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12
Dec 14 13:01:12.751 INFO [stderr]   |
Dec 14 13:01:12.751 INFO [stderr] 2 | #![feature(rust_2018_idioms)]
Dec 14 13:01:12.751 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 13:01:12.751 INFO [stderr] 
Dec 14 13:01:12.762 INFO [stderr] error: aborting due to previous error
Dec 14 13:01:12.762 INFO [stderr] 
Dec 14 13:01:12.762 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 14 13:01:12.783 INFO [stderr] error: Could not compile `zerodmg-codes`.
Dec 14 13:01:12.783 INFO [stderr] 
Dec 14 13:01:12.783 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 13:01:12.787 INFO [stderr] su: No module specific data is present
Dec 14 13:01:14.095 INFO running `"docker" "inspect" "5601c377ea35aed20159f1e7cb54082a3cda3d1ae018e6116236e1b86b665552"`
Dec 14 13:01:14.417 INFO running `"docker" "rm" "-f" "5601c377ea35aed20159f1e7cb54082a3cda3d1ae018e6116236e1b86b665552"`
Dec 14 13:01:14.698 INFO [stdout] 5601c377ea35aed20159f1e7cb54082a3cda3d1ae018e6116236e1b86b665552