Nov 29 22:00:27.208 INFO checking mpajkowski/micecoreos against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 22:00:27.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 22:00:27.730 INFO [stdout] 1a7939044321bbd24f427f08d2cc59ab9e2c69dc4641d310ea1ed59c67993422
Nov 29 22:00:27.732 INFO running `"docker" "start" "-a" "1a7939044321bbd24f427f08d2cc59ab9e2c69dc4641d310ea1ed59c67993422"`
Nov 29 22:00:28.856 INFO [stderr] usermod: no changes
Nov 29 22:00:28.950 INFO [stderr]     Checking os_bootinfo v0.2.1
Nov 29 22:00:28.952 INFO [stderr]     Checking spin v0.4.9
Nov 29 22:00:28.964 INFO [stderr]     Checking volatile v0.2.4
Nov 29 22:00:28.964 INFO [stderr]    Compiling lazy_static v1.1.0
Nov 29 22:00:29.181 INFO [stderr]     Checking bootloader_precompiled v0.2.0
Nov 29 22:00:30.113 INFO [stderr]     Checking micecoreos v0.1.0 (/source)
Nov 29 22:00:30.380 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Nov 29 22:00:30.381 INFO [stderr]   --> src/main.rs:16:1
Nov 29 22:00:30.381 INFO [stderr]    |
Nov 29 22:00:30.381 INFO [stderr] 16 | / fn panic(info: &PanicInfo) -> ! {
Nov 29 22:00:30.381 INFO [stderr] 17 | |     println!("{}", info);
Nov 29 22:00:30.381 INFO [stderr] 18 | |     loop {}
Nov 29 22:00:30.381 INFO [stderr] 19 | | }
Nov 29 22:00:30.381 INFO [stderr]    | |_^
Nov 29 22:00:30.381 INFO [stderr]    |
Nov 29 22:00:30.381 INFO [stderr]    = note: first defined in crate `std`.
Nov 29 22:00:30.381 INFO [stderr] 
Nov 29 22:00:30.428 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 29 22:00:30.428 INFO [stderr]   --> src/main.rs:28:9
Nov 29 22:00:30.428 INFO [stderr]    |
Nov 29 22:00:30.428 INFO [stderr] 28 |         write!(vga::WRITER.lock(), "{} ", i);
Nov 29 22:00:30.428 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 22:00:30.428 INFO [stderr]    |
Nov 29 22:00:30.428 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 22:00:30.428 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 22:00:30.428 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 29 22:00:30.428 INFO [stderr] 
Nov 29 22:00:30.461 INFO [stderr] error: aborting due to previous error
Nov 29 22:00:30.461 INFO [stderr] 
Nov 29 22:00:30.461 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Nov 29 22:00:30.469 INFO [stderr] error: Could not compile `micecoreos`.
Nov 29 22:00:30.469 INFO [stderr] 
Nov 29 22:00:30.469 INFO [stderr] To learn more, run the command again with --verbose.
Nov 29 22:00:30.470 INFO [stderr] su: No module specific data is present
Nov 29 22:00:30.952 INFO running `"docker" "inspect" "1a7939044321bbd24f427f08d2cc59ab9e2c69dc4641d310ea1ed59c67993422"`
Nov 29 22:00:31.126 INFO running `"docker" "rm" "-f" "1a7939044321bbd24f427f08d2cc59ab9e2c69dc4641d310ea1ed59c67993422"`
Nov 29 22:00:31.520 INFO [stdout] 1a7939044321bbd24f427f08d2cc59ab9e2c69dc4641d310ea1ed59c67993422