[INFO] updating cached repository https://github.com/tupai-os/deus
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27e06b0cdf24bc28d923e339e5dac0bc43e4c5c5
[INFO] checking tupai-os/deus against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftupai-os%2Fdeus" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tupai-os/deus on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tupai-os/deus
[INFO] finished tweaking git repo https://github.com/tupai-os/deus
[INFO] tweaked toml for git repo https://github.com/tupai-os/deus written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tupai-os/deus already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 337f30fbd3dc198d75a33e346d7330b85384ab74bf02ea391fac7f31425f211e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "337f30fbd3dc198d75a33e346d7330b85384ab74bf02ea391fac7f31425f211e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bootloader v0.8.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking volatile v0.2.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking spinning_top v0.1.0
[INFO] [stderr]     Checking linked_list_allocator v0.7.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking pinecone v0.2.2
[INFO] [stderr]     Checking deus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: found duplicate lang item `oom`
[INFO] [stderr]    --> src/main.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | / fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
[INFO] [stderr] 108 | |     panic!("Failed to allocate {:?}", layout);
[INFO] [stderr] 109 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the lang item is first defined in crate `std` (which `deus` depends on)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/arch/x86_64/fault.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{log, logln};
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/hw/x86/pit.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     log,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `spin::Mutex`
[INFO] [stderr]  --> src/driver/x86_ps2_kbd.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use spin::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `log`, `logln`, `out8`
[INFO] [stderr]  --> src/driver/x86_ps2_kbd.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 |     arch::x86_64::port::{in8, out8},
[INFO] [stderr]   |                               ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 8 |     log, logln,
[INFO] [stderr]   |     ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `logln`
[INFO] [stderr]  --> src/sched/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     logln,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `alloc::vec::Vec`
[INFO] [stderr]  --> src/startup.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]  --> src/startup.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{log::*, boot_info};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     panic!("Division by zero fault!");
[INFO] [stderr]    |     ---------------------------------- any code following this expression is unreachable
[INFO] [stderr] 65 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     panic!("Debug fault!");
[INFO] [stderr]    |     ----------------------- any code following this expression is unreachable
[INFO] [stderr] 72 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     panic!("General protection fault fault!");
[INFO] [stderr]    |     ------------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 79 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     panic!("Page fault fault!");
[INFO] [stderr]    |     ---------------------------- any code following this expression is unreachable
[INFO] [stderr] 86 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     panic!("Unimplemented handler fault!");
[INFO] [stderr]    |     --------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 93 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/hw/x86/irq.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     panic!("COM2 interrupt!");
[INFO] [stderr]    |     -------------------------- any code following this expression is unreachable
[INFO] [stderr] 17 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/hw/x86/irq.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     panic!("COM1 interrupt!");
[INFO] [stderr]    |     -------------------------- any code following this expression is unreachable
[INFO] [stderr] 23 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     panic!("Division by zero fault!");
[INFO] [stderr]    |     ---------------------------------- any code following this expression is unreachable
[INFO] [stderr] 65 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     panic!("Debug fault!");
[INFO] [stderr]    |     ----------------------- any code following this expression is unreachable
[INFO] [stderr] 72 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     panic!("General protection fault fault!");
[INFO] [stderr]    |     ------------------------------------------ any code following this expression is unreachable
[INFO] [stderr] 79 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     panic!("Page fault fault!");
[INFO] [stderr]    |     ---------------------------- any code following this expression is unreachable
[INFO] [stderr] 86 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     panic!("Unimplemented handler fault!");
[INFO] [stderr]    |     --------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 93 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/hw/x86/irq.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     panic!("COM2 interrupt!");
[INFO] [stderr]    |     -------------------------- any code following this expression is unreachable
[INFO] [stderr] 17 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/hw/x86/irq.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     panic!("COM1 interrupt!");
[INFO] [stderr]    |     -------------------------- any code following this expression is unreachable
[INFO] [stderr] 23 |     frame
[INFO] [stderr]    |     ^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `deus`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/hw/x86/irq.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern "C" fn com2_handler(frame: *const ()) -> *const () {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/hw/x86/irq.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | extern "C" fn com1_handler(frame: *const ()) -> *const () {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `USER_CODE_SELECTOR`
[INFO] [stderr]  --> src/arch/x86_64/gdt.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const USER_CODE_SELECTOR: usize = mem::size_of::<Entry>() * 3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `USER_DATA_SELECTOR`
[INFO] [stderr]  --> src/arch/x86_64/gdt.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const USER_DATA_SELECTOR: usize = mem::size_of::<Entry>() * 4;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Exception`
[INFO] [stderr]   --> src/arch/x86_64/fault.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub enum Exception {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `textmode`
[INFO] [stderr]   --> src/driver/vga/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn textmode(&self) -> &Textmode {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PORT_CMD`
[INFO] [stderr]   --> src/driver/x86_ps2_kbd.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | const PORT_CMD: u16 = 0x60;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/util/store.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get(&self, id: Id<T>) -> &T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]   --> src/util/store.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn remove(&mut self, id: Id<T>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/util/irq_lock.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub unsafe fn get(&self) -> &T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/util/irq_lock.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub unsafe fn get_mut(&self) -> &mut T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/sched/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     id: Id<Thread>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]   --> src/sched/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     stack: *mut [StackByte],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AlreadyTaken`
[INFO] [stderr]   --> src/ipc/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     AlreadyTaken,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_rx`
[INFO] [stderr]   --> src/ipc/mod.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn register_rx<T>(&mut self, name: String) -> Rx<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `connect_tx`
[INFO] [stderr]   --> src/ipc/mod.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn connect_tx<T>(&mut self, name: &str) -> Result<Tx<T>, IpcError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kernel_regions`
[INFO] [stderr]   --> src/startup.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn kernel_regions() -> impl Iterator<Item=&'static [u8]> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "337f30fbd3dc198d75a33e346d7330b85384ab74bf02ea391fac7f31425f211e"`
[INFO] running `"docker" "rm" "-f" "337f30fbd3dc198d75a33e346d7330b85384ab74bf02ea391fac7f31425f211e"`
[INFO] [stdout] 337f30fbd3dc198d75a33e346d7330b85384ab74bf02ea391fac7f31425f211e