Dec 04 17:17:50.375 INFO checking imondrag/toy_os against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:17:50.375 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 17:17:51.011 INFO [stdout] 2f375eede24aedff10614431365e099e5ecdcd1eba4a3ede56739f1e5fded9be
Dec 04 17:17:51.013 INFO running `"docker" "start" "-a" "2f375eede24aedff10614431365e099e5ecdcd1eba4a3ede56739f1e5fded9be"`
Dec 04 17:17:53.395 INFO [stderr] usermod: no changes
Dec 04 17:17:53.571 INFO [stderr]     Checking usize_conversions v0.2.0
Dec 04 17:17:53.571 INFO [stderr]     Checking ux v0.1.2
Dec 04 17:17:53.623 INFO [stderr]     Checking nodrop v0.1.13
Dec 04 17:17:53.623 INFO [stderr]     Checking zero v0.1.2
Dec 04 17:17:53.623 INFO [stderr]     Checking bit_field v0.9.0
Dec 04 17:17:53.627 INFO [stderr]     Checking bitflags v1.0.4
Dec 04 17:17:54.298 INFO [stderr]     Checking cpuio v0.2.0
Dec 04 17:17:54.388 INFO [stderr]     Checking spin v0.4.10
Dec 04 17:17:55.225 INFO [stderr]     Checking pc-keyboard v0.3.1
Dec 04 17:17:55.800 INFO [stderr]     Checking volatile v0.2.5
Dec 04 17:17:56.259 INFO [stderr]    Compiling getopts v0.2.18
Dec 04 17:17:56.439 INFO [stderr]     Checking array-init v0.0.4
Dec 04 17:17:56.439 INFO [stderr]     Checking xmas-elf v0.6.2
Dec 04 17:17:58.247 INFO [stderr]     Checking pic8259_simple v0.1.1
Dec 04 17:17:59.751 INFO [stderr]     Checking lazy_static v1.2.0
Dec 04 17:18:03.375 INFO [stderr]    Compiling rand v0.4.3
Dec 04 17:18:03.523 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 04 17:18:14.643 INFO [stderr]    Compiling tempdir v0.3.7
Dec 04 17:18:16.323 INFO [stderr]    Compiling skeptic v0.5.0
Dec 04 17:18:21.331 INFO [stderr]    Compiling fixedvec v0.2.3
Dec 04 17:18:29.599 INFO [stderr]     Checking x86_64 v0.2.14
Dec 04 17:18:29.599 INFO [stderr]     Checking x86_64 v0.3.4
Dec 04 17:18:34.253 INFO [stderr]     Checking uart_16550 v0.1.0
Dec 04 17:18:34.253 INFO [stderr]     Checking bootloader v0.3.5
Dec 04 17:18:35.653 INFO [stderr]     Checking toy_os v0.1.0 (/source)
Dec 04 17:18:36.781 INFO [stderr] warning: unused variable: `stack_frame`
Dec 04 17:18:36.782 INFO [stderr]   --> src/interrupts.rs:54:5
Dec 04 17:18:36.782 INFO [stderr]    |
Dec 04 17:18:36.782 INFO [stderr] 54 |     stack_frame: &mut ExceptionStackFrame,
Dec 04 17:18:36.783 INFO [stderr]    |     ^^^^^^^^^^^ help: consider using `_stack_frame` instead
Dec 04 17:18:36.783 INFO [stderr]    |
Dec 04 17:18:36.784 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:36.784 INFO [stderr] 
Dec 04 17:18:36.816 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:36.816 INFO [stderr]   --> src/interrupts.rs:42:5
Dec 04 17:18:36.816 INFO [stderr]    |
Dec 04 17:18:36.817 INFO [stderr] 42 |     writeln!(Writer, "\nEXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
Dec 04 17:18:36.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:36.817 INFO [stderr]    |
Dec 04 17:18:36.818 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:36.818 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:36.818 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)
Dec 04 17:18:36.819 INFO [stderr] 
Dec 04 17:18:36.819 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:36.837 INFO [stderr]   --> src/interrupts.rs:49:5
Dec 04 17:18:36.837 INFO [stderr]    |
Dec 04 17:18:36.837 INFO [stderr] 49 |     writeln!(Writer, "\nEXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
Dec 04 17:18:36.837 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:36.837 INFO [stderr]    |
Dec 04 17:18:36.837 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:36.837 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)
Dec 04 17:18:36.838 INFO [stderr] 
Dec 04 17:18:36.838 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:36.838 INFO [stderr]   --> src/interrupts.rs:56:5
Dec 04 17:18:36.838 INFO [stderr]    |
Dec 04 17:18:36.838 INFO [stderr] 56 |     write!(Writer, ".");
Dec 04 17:18:36.838 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:36.838 INFO [stderr]    |
Dec 04 17:18:36.838 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:36.838 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)
Dec 04 17:18:36.838 INFO [stderr] 
Dec 04 17:18:36.979 INFO [stderr] warning: unused variable: `stack_frame`
Dec 04 17:18:36.979 INFO [stderr]   --> src/interrupts.rs:54:5
Dec 04 17:18:36.979 INFO [stderr]    |
Dec 04 17:18:36.979 INFO [stderr] 54 |     stack_frame: &mut ExceptionStackFrame,
Dec 04 17:18:36.979 INFO [stderr]    |     ^^^^^^^^^^^ help: consider using `_stack_frame` instead
Dec 04 17:18:36.979 INFO [stderr]    |
Dec 04 17:18:36.979 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:36.979 INFO [stderr] 
Dec 04 17:18:37.116 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:37.116 INFO [stderr]   --> src/interrupts.rs:42:5
Dec 04 17:18:37.116 INFO [stderr]    |
Dec 04 17:18:37.116 INFO [stderr] 42 |     writeln!(Writer, "\nEXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
Dec 04 17:18:37.116 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:37.116 INFO [stderr]    |
Dec 04 17:18:37.116 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:37.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:37.116 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)
Dec 04 17:18:37.116 INFO [stderr] 
Dec 04 17:18:37.116 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:37.116 INFO [stderr]   --> src/interrupts.rs:49:5
Dec 04 17:18:37.116 INFO [stderr]    |
Dec 04 17:18:37.116 INFO [stderr] 49 |     writeln!(Writer, "\nEXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
Dec 04 17:18:37.116 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:37.116 INFO [stderr]    |
Dec 04 17:18:37.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:37.116 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)
Dec 04 17:18:37.116 INFO [stderr] 
Dec 04 17:18:37.116 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:37.116 INFO [stderr]   --> src/interrupts.rs:56:5
Dec 04 17:18:37.116 INFO [stderr]    |
Dec 04 17:18:37.116 INFO [stderr] 56 |     write!(Writer, ".");
Dec 04 17:18:37.116 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:37.116 INFO [stderr]    |
Dec 04 17:18:37.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:37.116 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)
Dec 04 17:18:37.116 INFO [stderr] 
Dec 04 17:18:37.827 INFO [stderr] warning: unused variable: `stack_frame`
Dec 04 17:18:37.827 INFO [stderr]   --> src/interrupts.rs:54:5
Dec 04 17:18:37.827 INFO [stderr]    |
Dec 04 17:18:37.827 INFO [stderr] 54 |     stack_frame: &mut ExceptionStackFrame,
Dec 04 17:18:37.827 INFO [stderr]    |     ^^^^^^^^^^^ help: consider using `_stack_frame` instead
Dec 04 17:18:37.827 INFO [stderr]    |
Dec 04 17:18:37.827 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:37.827 INFO [stderr] 
Dec 04 17:18:37.870 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:18:37.870 INFO [stderr]   --> src/interrupts.rs:42:5
Dec 04 17:18:37.870 INFO [stderr]    |
Dec 04 17:18:37.870 INFO [stderr] 42 |     writeln!(Writer, "\nEXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
Dec 04 17:18:37.870 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:37.870 INFO [stderr]    |
Dec 04 17:18:37.870 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:37.870 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:37.870 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)
Dec 04 17:18:37.870 INFO [stderr] 
Dec 04 17:18:37.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:18:37.871 INFO [stderr]   --> src/interrupts.rs:49:5
Dec 04 17:18:37.871 INFO [stderr]    |
Dec 04 17:18:37.871 INFO [stderr] 49 |     writeln!(Writer, "\nEXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
Dec 04 17:18:37.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:37.871 INFO [stderr]    |
Dec 04 17:18:37.871 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:37.871 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)
Dec 04 17:18:37.871 INFO [stderr] 
Dec 04 17:18:37.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:18:37.871 INFO [stderr]   --> src/interrupts.rs:56:5
Dec 04 17:18:37.871 INFO [stderr]    |
Dec 04 17:18:37.871 INFO [stderr] 56 |     write!(Writer, ".");
Dec 04 17:18:37.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:37.871 INFO [stderr]    |
Dec 04 17:18:37.871 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:37.871 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)
Dec 04 17:18:37.871 INFO [stderr] 
Dec 04 17:18:38.407 INFO [stderr] warning: unused variable: `boot_info`
Dec 04 17:18:38.407 INFO [stderr]   --> src/main.rs:15:16
Dec 04 17:18:38.407 INFO [stderr]    |
Dec 04 17:18:38.407 INFO [stderr] 15 | fn kernel_main(boot_info: &'static BootInfo) -> ! {
Dec 04 17:18:38.407 INFO [stderr]    |                ^^^^^^^^^ help: consider using `_boot_info` instead
Dec 04 17:18:38.407 INFO [stderr]    |
Dec 04 17:18:38.407 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:38.407 INFO [stderr] 
Dec 04 17:18:38.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:38.415 INFO [stderr]   --> src/main.rs:26:5
Dec 04 17:18:38.415 INFO [stderr]    |
Dec 04 17:18:38.415 INFO [stderr] 26 |     writeln!(Writer, "WE GOOD!");
Dec 04 17:18:38.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:38.415 INFO [stderr]    |
Dec 04 17:18:38.415 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:38.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:38.415 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)
Dec 04 17:18:38.415 INFO [stderr] 
Dec 04 17:18:38.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:38.415 INFO [stderr]   --> src/main.rs:30:13
Dec 04 17:18:38.415 INFO [stderr]    |
Dec 04 17:18:38.415 INFO [stderr] 30 |             write!(Writer, "-");
Dec 04 17:18:38.415 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:38.415 INFO [stderr]    |
Dec 04 17:18:38.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:38.415 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)
Dec 04 17:18:38.415 INFO [stderr] 
Dec 04 17:18:38.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:38.415 INFO [stderr]   --> src/main.rs:40:5
Dec 04 17:18:38.415 INFO [stderr]    |
Dec 04 17:18:38.415 INFO [stderr] 40 |     writeln!(Writer, "{}", info);
Dec 04 17:18:38.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:38.415 INFO [stderr]    |
Dec 04 17:18:38.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:38.415 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)
Dec 04 17:18:38.415 INFO [stderr] 
Dec 04 17:18:38.567 INFO [stderr] warning: unused variable: `boot_info`
Dec 04 17:18:38.567 INFO [stderr]   --> src/main.rs:15:16
Dec 04 17:18:38.567 INFO [stderr]    |
Dec 04 17:18:38.567 INFO [stderr] 15 | fn kernel_main(boot_info: &'static BootInfo) -> ! {
Dec 04 17:18:38.567 INFO [stderr]    |                ^^^^^^^^^ help: consider using `_boot_info` instead
Dec 04 17:18:38.567 INFO [stderr]    |
Dec 04 17:18:38.567 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:38.567 INFO [stderr] 
Dec 04 17:18:38.570 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:38.571 INFO [stderr]   --> src/main.rs:26:5
Dec 04 17:18:38.571 INFO [stderr]    |
Dec 04 17:18:38.571 INFO [stderr] 26 |     writeln!(Writer, "WE GOOD!");
Dec 04 17:18:38.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:38.571 INFO [stderr]    |
Dec 04 17:18:38.571 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:38.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:38.571 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)
Dec 04 17:18:38.571 INFO [stderr] 
Dec 04 17:18:38.571 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:38.571 INFO [stderr]   --> src/main.rs:30:13
Dec 04 17:18:38.571 INFO [stderr]    |
Dec 04 17:18:38.571 INFO [stderr] 30 |             write!(Writer, "-");
Dec 04 17:18:38.571 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:38.571 INFO [stderr]    |
Dec 04 17:18:38.571 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:38.571 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)
Dec 04 17:18:38.571 INFO [stderr] 
Dec 04 17:18:38.599 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.18s
Dec 04 17:18:38.615 INFO [stderr] su: No module specific data is present
Dec 04 17:18:40.130 INFO running `"docker" "inspect" "2f375eede24aedff10614431365e099e5ecdcd1eba4a3ede56739f1e5fded9be"`
Dec 04 17:18:40.479 INFO running `"docker" "rm" "-f" "2f375eede24aedff10614431365e099e5ecdcd1eba4a3ede56739f1e5fded9be"`
Dec 04 17:18:40.858 INFO [stdout] 2f375eede24aedff10614431365e099e5ecdcd1eba4a3ede56739f1e5fded9be