Dec 04 17:17:58.273 INFO checking imondrag/toy_os against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:17:58.273 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 17:17:58.721 INFO [stdout] 31d4a2dfa3a7ad0734c4094baea049d0422ecd36e9e4b6047775dd9285fdaa4a
Dec 04 17:17:58.723 INFO running `"docker" "start" "-a" "31d4a2dfa3a7ad0734c4094baea049d0422ecd36e9e4b6047775dd9285fdaa4a"`
Dec 04 17:18:01.063 INFO [stderr] usermod: no changes
Dec 04 17:18:01.203 INFO [stderr]    Compiling unicode-width v0.1.5
Dec 04 17:18:01.203 INFO [stderr]     Checking ux v0.1.2
Dec 04 17:18:01.211 INFO [stderr]     Checking usize_conversions v0.2.0
Dec 04 17:18:01.211 INFO [stderr]     Checking bit_field v0.9.0
Dec 04 17:18:01.211 INFO [stderr]     Checking os_bootinfo v0.2.1
Dec 04 17:18:02.271 INFO [stderr]     Checking zero v0.1.2
Dec 04 17:18:02.467 INFO [stderr]     Checking nodrop v0.1.13
Dec 04 17:18:02.670 INFO [stderr]     Checking cpuio v0.2.0
Dec 04 17:18:03.144 INFO [stderr]     Checking spin v0.4.10
Dec 04 17:18:03.317 INFO [stderr]     Checking volatile v0.2.5
Dec 04 17:18:03.385 INFO [stderr]     Checking pc-keyboard v0.3.1
Dec 04 17:18:04.163 INFO [stderr]     Checking array-init v0.0.4
Dec 04 17:18:04.257 INFO [stderr]    Compiling getopts v0.2.18
Dec 04 17:18:04.359 INFO [stderr]     Checking pic8259_simple v0.1.1
Dec 04 17:18:05.579 INFO [stderr]     Checking xmas-elf v0.6.2
Dec 04 17:18:06.063 INFO [stderr]    Compiling libc v0.2.44
Dec 04 17:18:12.215 INFO [stderr]     Checking lazy_static v1.2.0
Dec 04 17:18:14.771 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 04 17:18:14.887 INFO [stderr]    Compiling rand v0.4.3
Dec 04 17:18:24.623 INFO [stderr]    Compiling tempdir v0.3.7
Dec 04 17:18:26.623 INFO [stderr]    Compiling skeptic v0.5.0
Dec 04 17:18:30.951 INFO [stderr]    Compiling fixedvec v0.2.3
Dec 04 17:18:38.183 INFO [stderr]     Checking x86_64 v0.2.14
Dec 04 17:18:39.003 INFO [stderr]     Checking x86_64 v0.3.4
Dec 04 17:18:40.266 INFO [stderr]     Checking bootloader v0.3.5
Dec 04 17:18:40.267 INFO [stderr]     Checking uart_16550 v0.1.0
Dec 04 17:18:41.357 INFO [stderr]     Checking toy_os v0.1.0 (/source)
Dec 04 17:18:41.863 INFO [stderr] warning: unused variable: `stack_frame`
Dec 04 17:18:41.863 INFO [stderr]   --> src/interrupts.rs:54:5
Dec 04 17:18:41.863 INFO [stderr]    |
Dec 04 17:18:41.863 INFO [stderr] 54 |     stack_frame: &mut ExceptionStackFrame,
Dec 04 17:18:41.863 INFO [stderr]    |     ^^^^^^^^^^^ help: consider using `_stack_frame` instead
Dec 04 17:18:41.863 INFO [stderr]    |
Dec 04 17:18:41.863 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:41.863 INFO [stderr] 
Dec 04 17:18:41.911 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:41.911 INFO [stderr]   --> src/interrupts.rs:42:5
Dec 04 17:18:41.911 INFO [stderr]    |
Dec 04 17:18:41.911 INFO [stderr] 42 |     writeln!(Writer, "\nEXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
Dec 04 17:18:41.911 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:41.911 INFO [stderr]    |
Dec 04 17:18:41.911 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:41.911 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:41.911 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 17:18:41.911 INFO [stderr] 
Dec 04 17:18:41.911 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:41.911 INFO [stderr]   --> src/interrupts.rs:49:5
Dec 04 17:18:41.911 INFO [stderr]    |
Dec 04 17:18:41.911 INFO [stderr] 49 |     writeln!(Writer, "\nEXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
Dec 04 17:18:41.911 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:41.911 INFO [stderr]    |
Dec 04 17:18:41.911 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:41.911 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 17:18:41.911 INFO [stderr] 
Dec 04 17:18:41.911 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:41.911 INFO [stderr]   --> src/interrupts.rs:56:5
Dec 04 17:18:41.911 INFO [stderr]    |
Dec 04 17:18:41.911 INFO [stderr] 56 |     write!(Writer, ".");
Dec 04 17:18:41.911 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:41.911 INFO [stderr]    |
Dec 04 17:18:41.911 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:41.914 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 17:18:41.914 INFO [stderr] 
Dec 04 17:18:42.826 INFO [stderr] warning: unused variable: `stack_frame`
Dec 04 17:18:42.826 INFO [stderr]   --> src/interrupts.rs:54:5
Dec 04 17:18:42.826 INFO [stderr]    |
Dec 04 17:18:42.826 INFO [stderr] 54 |     stack_frame: &mut ExceptionStackFrame,
Dec 04 17:18:42.826 INFO [stderr]    |     ^^^^^^^^^^^ help: consider using `_stack_frame` instead
Dec 04 17:18:42.826 INFO [stderr]    |
Dec 04 17:18:42.826 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:42.826 INFO [stderr] 
Dec 04 17:18:42.938 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:18:42.938 INFO [stderr]   --> src/interrupts.rs:42:5
Dec 04 17:18:42.938 INFO [stderr]    |
Dec 04 17:18:42.938 INFO [stderr] 42 |     writeln!(Writer, "\nEXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
Dec 04 17:18:42.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:42.938 INFO [stderr]    |
Dec 04 17:18:42.938 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:42.938 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:42.938 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 17:18:42.938 INFO [stderr] 
Dec 04 17:18:42.938 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:18:42.938 INFO [stderr]   --> src/interrupts.rs:49:5
Dec 04 17:18:42.938 INFO [stderr]    |
Dec 04 17:18:42.938 INFO [stderr] 49 |     writeln!(Writer, "\nEXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
Dec 04 17:18:42.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:42.938 INFO [stderr]    |
Dec 04 17:18:42.938 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:42.938 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 17:18:42.938 INFO [stderr] 
Dec 04 17:18:42.938 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:18:42.938 INFO [stderr]   --> src/interrupts.rs:56:5
Dec 04 17:18:42.938 INFO [stderr]    |
Dec 04 17:18:42.938 INFO [stderr] 56 |     write!(Writer, ".");
Dec 04 17:18:42.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:42.938 INFO [stderr]    |
Dec 04 17:18:42.938 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:42.938 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 17:18:42.938 INFO [stderr] 
Dec 04 17:18:43.295 INFO [stderr] warning: unused variable: `boot_info`
Dec 04 17:18:43.295 INFO [stderr]   --> src/main.rs:15:16
Dec 04 17:18:43.299 INFO [stderr]    |
Dec 04 17:18:43.299 INFO [stderr] 15 | fn kernel_main(boot_info: &'static BootInfo) -> ! {
Dec 04 17:18:43.299 INFO [stderr]    |                ^^^^^^^^^ help: consider using `_boot_info` instead
Dec 04 17:18:43.299 INFO [stderr]    |
Dec 04 17:18:43.299 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:43.299 INFO [stderr] 
Dec 04 17:18:43.300 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:43.301 INFO [stderr]   --> src/main.rs:26:5
Dec 04 17:18:43.301 INFO [stderr]    |
Dec 04 17:18:43.301 INFO [stderr] 26 |     writeln!(Writer, "WE GOOD!");
Dec 04 17:18:43.301 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:43.301 INFO [stderr]    |
Dec 04 17:18:43.301 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:43.301 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:43.301 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 17:18:43.301 INFO [stderr] 
Dec 04 17:18:43.301 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:43.301 INFO [stderr]   --> src/main.rs:30:13
Dec 04 17:18:43.301 INFO [stderr]    |
Dec 04 17:18:43.301 INFO [stderr] 30 |             write!(Writer, "-");
Dec 04 17:18:43.301 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:43.301 INFO [stderr]    |
Dec 04 17:18:43.301 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:43.301 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 17:18:43.301 INFO [stderr] 
Dec 04 17:18:44.385 INFO [stderr] warning: unused variable: `stack_frame`
Dec 04 17:18:44.385 INFO [stderr]   --> src/interrupts.rs:54:5
Dec 04 17:18:44.385 INFO [stderr]    |
Dec 04 17:18:44.385 INFO [stderr] 54 |     stack_frame: &mut ExceptionStackFrame,
Dec 04 17:18:44.385 INFO [stderr]    |     ^^^^^^^^^^^ help: consider using `_stack_frame` instead
Dec 04 17:18:44.385 INFO [stderr]    |
Dec 04 17:18:44.385 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:44.385 INFO [stderr] 
Dec 04 17:18:44.400 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:44.400 INFO [stderr]   --> src/interrupts.rs:42:5
Dec 04 17:18:44.400 INFO [stderr]    |
Dec 04 17:18:44.400 INFO [stderr] 42 |     writeln!(Writer, "\nEXCEPTION: BREAKPOINT\n{:#?}", stack_frame);
Dec 04 17:18:44.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:44.400 INFO [stderr]    |
Dec 04 17:18:44.400 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:44.400 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:44.400 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 17:18:44.400 INFO [stderr] 
Dec 04 17:18:44.400 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:44.400 INFO [stderr]   --> src/interrupts.rs:49:5
Dec 04 17:18:44.400 INFO [stderr]    |
Dec 04 17:18:44.400 INFO [stderr] 49 |     writeln!(Writer, "\nEXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
Dec 04 17:18:44.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:44.400 INFO [stderr]    |
Dec 04 17:18:44.400 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:44.400 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 17:18:44.400 INFO [stderr] 
Dec 04 17:18:44.400 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:44.400 INFO [stderr]   --> src/interrupts.rs:56:5
Dec 04 17:18:44.400 INFO [stderr]    |
Dec 04 17:18:44.400 INFO [stderr] 56 |     write!(Writer, ".");
Dec 04 17:18:44.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:44.400 INFO [stderr]    |
Dec 04 17:18:44.400 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:44.400 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 17:18:44.400 INFO [stderr] 
Dec 04 17:18:45.035 INFO [stderr] warning: unused variable: `boot_info`
Dec 04 17:18:45.035 INFO [stderr]   --> src/main.rs:15:16
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr] 15 | fn kernel_main(boot_info: &'static BootInfo) -> ! {
Dec 04 17:18:45.035 INFO [stderr]    |                ^^^^^^^^^ help: consider using `_boot_info` instead
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:18:45.035 INFO [stderr] 
Dec 04 17:18:45.035 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:45.035 INFO [stderr]   --> src/main.rs:26:5
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr] 26 |     writeln!(Writer, "WE GOOD!");
Dec 04 17:18:45.035 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:18:45.035 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:45.035 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 17:18:45.035 INFO [stderr] 
Dec 04 17:18:45.035 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:45.035 INFO [stderr]   --> src/main.rs:30:13
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr] 30 |             write!(Writer, "-");
Dec 04 17:18:45.035 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:45.035 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 17:18:45.035 INFO [stderr] 
Dec 04 17:18:45.035 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 04 17:18:45.035 INFO [stderr]   --> src/main.rs:40:5
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr] 40 |     writeln!(Writer, "{}", info);
Dec 04 17:18:45.035 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:18:45.035 INFO [stderr]    |
Dec 04 17:18:45.035 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:18:45.035 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 17:18:45.035 INFO [stderr] 
Dec 04 17:18:45.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.98s
Dec 04 17:18:45.089 INFO [stderr] su: No module specific data is present
Dec 04 17:18:45.943 INFO running `"docker" "inspect" "31d4a2dfa3a7ad0734c4094baea049d0422ecd36e9e4b6047775dd9285fdaa4a"`
Dec 04 17:18:46.085 INFO running `"docker" "rm" "-f" "31d4a2dfa3a7ad0734c4094baea049d0422ecd36e9e4b6047775dd9285fdaa4a"`
Dec 04 17:18:46.186 INFO [stdout] 31d4a2dfa3a7ad0734c4094baea049d0422ecd36e9e4b6047775dd9285fdaa4a