Dec 19 21:39:53.511 INFO checking ThePerkinrex/PercOSv2 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:39:53.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ThePerkinrex/PercOSv2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:39:53.978 INFO [stdout] 87fd390be46628345aff4a31a0caa9217bd604a7c1e88b8242ff7df01196f72b
Dec 19 21:39:53.981 INFO running `"docker" "start" "-a" "87fd390be46628345aff4a31a0caa9217bd604a7c1e88b8242ff7df01196f72b"`
Dec 19 21:39:55.882 INFO [stderr]     Checking bit_field v0.7.0
Dec 19 21:39:55.885 INFO [stderr]     Checking bitflags v0.4.0
Dec 19 21:39:55.885 INFO [stderr]     Checking volatile v0.2.4
Dec 19 21:39:55.885 INFO [stderr]     Checking rlibc v1.0.0
Dec 19 21:39:56.127 INFO [stderr]     Checking multiboot2 v0.1.0
Dec 19 21:39:56.371 INFO [stderr]     Checking x86_64 v0.1.2
Dec 19 21:39:57.260 INFO [stderr]     Checking percos v2.0.0 (/opt/crater/workdir)
Dec 19 21:39:57.352 INFO [stderr] error[E0557]: feature has been removed
Dec 19 21:39:57.352 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 21:39:57.352 INFO [stderr]   |
Dec 19 21:39:57.352 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 19 21:39:57.352 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.352 INFO [stderr]   |
Dec 19 21:39:57.352 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 19 21:39:57.352 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 21:39:57.352 INFO [stderr]   |
Dec 19 21:39:57.352 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 19 21:39:57.352 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.352 INFO [stderr] 
Dec 19 21:39:57.352 INFO [stderr] error[E0557]: feature has been removed
Dec 19 21:39:57.352 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 21:39:57.352 INFO [stderr]   |
Dec 19 21:39:57.352 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 19 21:39:57.352 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.352 INFO [stderr]   |
Dec 19 21:39:57.352 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 19 21:39:57.352 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 21:39:57.352 INFO [stderr]   |
Dec 19 21:39:57.353 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 19 21:39:57.353 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.353 INFO [stderr] 
Dec 19 21:39:57.432 INFO [stderr] warning: unused import: `core::fmt::Debug`
Dec 19 21:39:57.432 INFO [stderr]  --> src/shell/mod.rs:2:5
Dec 19 21:39:57.432 INFO [stderr]   |
Dec 19 21:39:57.432 INFO [stderr] 2 | use core::fmt::Debug;
Dec 19 21:39:57.432 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 21:39:57.432 INFO [stderr]   |
Dec 19 21:39:57.432 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:39:57.432 INFO [stderr] 
Dec 19 21:39:57.433 INFO [stderr] warning: unused import: `memory::FrameAllocator`
Dec 19 21:39:57.433 INFO [stderr]   --> src/lib.rs:31:5
Dec 19 21:39:57.433 INFO [stderr]    |
Dec 19 21:39:57.433 INFO [stderr] 31 | use memory::FrameAllocator;
Dec 19 21:39:57.433 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.433 INFO [stderr] 
Dec 19 21:39:57.511 INFO [stderr] warning: unused import: `core::fmt::Debug`
Dec 19 21:39:57.511 INFO [stderr]  --> src/shell/mod.rs:2:5
Dec 19 21:39:57.511 INFO [stderr]   |
Dec 19 21:39:57.511 INFO [stderr] 2 | use core::fmt::Debug;
Dec 19 21:39:57.511 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 21:39:57.511 INFO [stderr]   |
Dec 19 21:39:57.511 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:39:57.511 INFO [stderr] 
Dec 19 21:39:57.511 INFO [stderr] warning: unused import: `memory::FrameAllocator`
Dec 19 21:39:57.511 INFO [stderr]   --> src/lib.rs:31:5
Dec 19 21:39:57.511 INFO [stderr]    |
Dec 19 21:39:57.511 INFO [stderr] 31 | use memory::FrameAllocator;
Dec 19 21:39:57.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.511 INFO [stderr] 
Dec 19 21:39:57.532 INFO [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
Dec 19 21:39:57.532 INFO [stderr]   --> src/lib.rs:86:1
Dec 19 21:39:57.532 INFO [stderr]    |
Dec 19 21:39:57.532 INFO [stderr] 86 | pub extern fn eh_personality() {}
Dec 19 21:39:57.532 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:57.532 INFO [stderr]    |
Dec 19 21:39:57.532 INFO [stderr]    = note: first defined in crate `panic_unwind`.
Dec 19 21:39:57.532 INFO [stderr] 
Dec 19 21:39:57.532 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 19 21:39:57.532 INFO [stderr]    --> src/lib.rs:89:1
Dec 19 21:39:57.532 INFO [stderr]     |
Dec 19 21:39:57.532 INFO [stderr] 89  | / pub extern fn panic_fmt(pi: &PanicInfo) -> !{
Dec 19 21:39:57.532 INFO [stderr] 90  | |     if pi.message().is_some() && pi.location().is_some(){
Dec 19 21:39:57.532 INFO [stderr] 91  | |         panic_print!("A PercOS error occured because: {}\nat {}", pi.message().unwrap(), pi.location().unwrap());
Dec 19 21:39:57.532 INFO [stderr] 92  | |     }else if pi.message().is_some() {
Dec 19 21:39:57.532 INFO [stderr] ...   |
Dec 19 21:39:57.532 INFO [stderr] 99  | |     loop{}
Dec 19 21:39:57.532 INFO [stderr] 100 | | }
Dec 19 21:39:57.532 INFO [stderr]     | |_^
Dec 19 21:39:57.532 INFO [stderr]     |
Dec 19 21:39:57.532 INFO [stderr]     = note: first defined in crate `std`.
Dec 19 21:39:57.532 INFO [stderr] 
Dec 19 21:39:57.627 INFO [stderr] error: aborting due to previous error
Dec 19 21:39:57.627 INFO [stderr] 
Dec 19 21:39:57.627 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 19 21:39:57.634 INFO [stderr] error: Could not compile `percos`.
Dec 19 21:39:57.634 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 21:39:57.748 INFO [stderr] error: aborting due to 3 previous errors
Dec 19 21:39:57.748 INFO [stderr] 
Dec 19 21:39:57.748 INFO [stderr] Some errors occurred: E0152, E0557.
Dec 19 21:39:57.748 INFO [stderr] For more information about an error, try `rustc --explain E0152`.
Dec 19 21:39:57.750 INFO [stderr] error: Could not compile `percos`.
Dec 19 21:39:57.750 INFO [stderr] 
Dec 19 21:39:57.750 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 21:39:58.426 INFO running `"docker" "inspect" "87fd390be46628345aff4a31a0caa9217bd604a7c1e88b8242ff7df01196f72b"`
Dec 19 21:39:58.686 INFO running `"docker" "rm" "-f" "87fd390be46628345aff4a31a0caa9217bd604a7c1e88b8242ff7df01196f72b"`
Dec 19 21:39:58.980 INFO [stdout] 87fd390be46628345aff4a31a0caa9217bd604a7c1e88b8242ff7df01196f72b