Dec 12 21:02:45.401 INFO testing workingJ/lf against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 21:02:45.401 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12 21:02:45.591 INFO [stdout] 7b6dbe7a625f63edc58580b8a412148744a3c3e3dc47167fe16cbdc5239c15fb
Dec 12 21:02:45.594 INFO running `"docker" "start" "-a" "7b6dbe7a625f63edc58580b8a412148744a3c3e3dc47167fe16cbdc5239c15fb"`
Dec 12 21:02:46.147 INFO [stderr] usermod: no changes
Dec 12 21:02:46.195 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 12 21:02:46.195 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 12 21:02:46.195 INFO [stderr]    Compiling unicode-width v0.1.4
Dec 12 21:02:46.195 INFO [stderr]    Compiling libc v0.2.40
Dec 12 21:02:46.195 INFO [stderr]    Compiling unicode-segmentation v1.2.1
Dec 12 21:02:46.196 INFO [stderr]    Compiling vec_map v0.8.0
Dec 12 21:02:46.196 INFO [stderr]    Compiling num-traits v0.2.2
Dec 12 21:02:46.196 INFO [stderr]    Compiling bitflags v1.0.1
Dec 12 21:02:46.235 INFO [stderr] error: incorrect value `unwinding` for codegen option `panic` - either `unwind` or `abort` was expected
Dec 12 21:02:46.235 INFO [stderr] 
Dec 12 21:02:46.243 INFO [stderr] error: incorrect value `unwinding` for codegen option `panic` - either `unwind` or `abort` was expected
Dec 12 21:02:46.243 INFO [stderr] 
Dec 12 21:02:46.243 INFO [stderr] error: Could not compile `bitflags`.
Dec 12 21:02:46.243 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 21:02:46.243 INFO [stderr] error: Could not compile `num-traits`.
Dec 12 21:02:46.243 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 21:02:46.263 INFO [stderr] error: incorrect value `unwinding` for codegen option `panic` - either `unwind` or `abort` was expected
Dec 12 21:02:46.263 INFO [stderr] 
Dec 12 21:02:46.263 INFO [stderr] error: Could not compile `vec_map`.
Dec 12 21:02:46.263 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 21:02:46.309 INFO [stderr] error: incorrect value `unwinding` for codegen option `panic` - either `unwind` or `abort` was expected
Dec 12 21:02:46.309 INFO [stderr] 
Dec 12 21:02:46.310 INFO [stderr] error: Could not compile `unicode-width`.
Dec 12 21:02:46.310 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 21:02:46.392 INFO [stderr] error: incorrect value `unwinding` for codegen option `panic` - either `unwind` or `abort` was expected
Dec 12 21:02:46.392 INFO [stderr] 
Dec 12 21:02:46.392 INFO [stderr] error: Could not compile `libc`.
Dec 12 21:02:46.392 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 21:02:47.711 INFO [stderr] error: build failed
Dec 12 21:02:47.719 INFO [stderr] su: No module specific data is present
Dec 12 21:02:47.975 INFO running `"docker" "inspect" "7b6dbe7a625f63edc58580b8a412148744a3c3e3dc47167fe16cbdc5239c15fb"`
Dec 12 21:02:48.068 INFO running `"docker" "rm" "-f" "7b6dbe7a625f63edc58580b8a412148744a3c3e3dc47167fe16cbdc5239c15fb"`
Dec 12 21:02:48.187 INFO [stdout] 7b6dbe7a625f63edc58580b8a412148744a3c3e3dc47167fe16cbdc5239c15fb