Nov 28 00:20:02.939 INFO checking mpajkowski/micecoreos against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:20:02.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 00:20:05.790 INFO [stdout] b53817d0a3abedcbdfafc798bff8f7f31a63c7f79fc108bdf20f8ec8f09a5cdc
Nov 28 00:20:05.791 INFO running `"docker" "start" "-a" "b53817d0a3abedcbdfafc798bff8f7f31a63c7f79fc108bdf20f8ec8f09a5cdc"`
Nov 28 00:20:07.234 INFO [stderr] usermod: no changes
Nov 28 00:20:07.317 INFO [stderr]     Checking spin v0.4.9
Nov 28 00:20:07.317 INFO [stderr]     Checking os_bootinfo v0.2.1
Nov 28 00:20:07.318 INFO [stderr]     Checking volatile v0.2.4
Nov 28 00:20:07.319 INFO [stderr]    Compiling lazy_static v1.1.0
Nov 28 00:20:07.452 INFO [stderr]     Checking bootloader_precompiled v0.2.0
Nov 28 00:20:07.898 INFO [stderr]     Checking micecoreos v0.1.0 (/source)
Nov 28 00:20:08.021 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 28 00:20:08.021 INFO [stderr]   --> src/main.rs:28:9
Nov 28 00:20:08.021 INFO [stderr]    |
Nov 28 00:20:08.021 INFO [stderr] 28 |         write!(vga::WRITER.lock(), "{} ", i);
Nov 28 00:20:08.021 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:20:08.021 INFO [stderr]    |
Nov 28 00:20:08.021 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 00:20:08.021 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 00:20:08.021 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 00:20:08.021 INFO [stderr] 
Nov 28 00:20:08.056 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Nov 28 00:20:08.056 INFO [stderr]   --> src/main.rs:16:1
Nov 28 00:20:08.057 INFO [stderr]    |
Nov 28 00:20:08.057 INFO [stderr] 16 | / fn panic(info: &PanicInfo) -> ! {
Nov 28 00:20:08.057 INFO [stderr] 17 | |     println!("{}", info);
Nov 28 00:20:08.057 INFO [stderr] 18 | |     loop {}
Nov 28 00:20:08.057 INFO [stderr] 19 | | }
Nov 28 00:20:08.057 INFO [stderr]    | |_^
Nov 28 00:20:08.057 INFO [stderr]    |
Nov 28 00:20:08.057 INFO [stderr]    = note: first defined in crate `std`.
Nov 28 00:20:08.057 INFO [stderr] 
Nov 28 00:20:08.107 INFO [stderr] error: aborting due to previous error
Nov 28 00:20:08.107 INFO [stderr] 
Nov 28 00:20:08.107 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Nov 28 00:20:08.118 INFO [stderr] error: Could not compile `micecoreos`.
Nov 28 00:20:08.118 INFO [stderr] 
Nov 28 00:20:08.118 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 00:20:08.120 INFO [stderr] su: No module specific data is present
Nov 28 00:20:09.463 INFO running `"docker" "inspect" "b53817d0a3abedcbdfafc798bff8f7f31a63c7f79fc108bdf20f8ec8f09a5cdc"`
Nov 28 00:20:09.516 INFO running `"docker" "rm" "-f" "b53817d0a3abedcbdfafc798bff8f7f31a63c7f79fc108bdf20f8ec8f09a5cdc"`
Nov 28 00:20:10.503 INFO [stdout] b53817d0a3abedcbdfafc798bff8f7f31a63c7f79fc108bdf20f8ec8f09a5cdc