Dec 06 09:10:33.722 INFO testing ThePerkinrex/PercOSv2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 09:10:33.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 09:10:33.935 INFO [stdout] 54218dfa8801bbce13ca7f5daeef775a4a52df4715ddc03948c9db44c73072b3
Dec 06 09:10:33.938 INFO running `"docker" "start" "-a" "54218dfa8801bbce13ca7f5daeef775a4a52df4715ddc03948c9db44c73072b3"`
Dec 06 09:10:34.427 INFO [stderr] usermod: no changes
Dec 06 09:10:34.463 INFO [stderr]    Compiling bitflags v0.4.0
Dec 06 09:10:34.464 INFO [stderr]    Compiling cpuio v0.2.0
Dec 06 09:10:34.464 INFO [stderr]    Compiling rlibc v1.0.0
Dec 06 09:10:34.577 INFO [stderr]    Compiling multiboot2 v0.1.0
Dec 06 09:10:34.917 INFO [stderr]    Compiling percos v2.0.0 (/source)
Dec 06 09:10:34.985 INFO [stderr] error[E0557]: feature has been removed
Dec 06 09:10:34.985 INFO [stderr]  --> src/lib.rs:3:12
Dec 06 09:10:34.985 INFO [stderr]   |
Dec 06 09:10:34.985 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 06 09:10:34.985 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 06 09:10:34.985 INFO [stderr]   |
Dec 06 09:10:34.985 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 06 09:10:34.985 INFO [stderr]  --> src/lib.rs:3:12
Dec 06 09:10:34.985 INFO [stderr]   |
Dec 06 09:10:34.985 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 06 09:10:34.986 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 06 09:10:34.986 INFO [stderr] 
Dec 06 09:10:35.142 INFO [stderr] error: aborting due to previous error
Dec 06 09:10:35.142 INFO [stderr] 
Dec 06 09:10:35.142 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 06 09:10:35.147 INFO [stderr] error: Could not compile `percos`.
Dec 06 09:10:35.147 INFO [stderr] 
Dec 06 09:10:35.147 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 09:10:35.149 INFO [stderr] su: No module specific data is present
Dec 06 09:10:35.460 INFO running `"docker" "inspect" "54218dfa8801bbce13ca7f5daeef775a4a52df4715ddc03948c9db44c73072b3"`
Dec 06 09:10:35.689 INFO running `"docker" "rm" "-f" "54218dfa8801bbce13ca7f5daeef775a4a52df4715ddc03948c9db44c73072b3"`
Dec 06 09:10:35.936 INFO [stdout] 54218dfa8801bbce13ca7f5daeef775a4a52df4715ddc03948c9db44c73072b3