[INFO] updating cached repository https://github.com/VioletasTheThird/rune
[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] daea602ac37816701ae565db0fb4e9eb052c6283
[INFO] checking VioletasTheThird/rune against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVioletasTheThird%2Frune" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VioletasTheThird/rune on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/VioletasTheThird/rune
[INFO] finished tweaking git repo https://github.com/VioletasTheThird/rune
[INFO] tweaked toml for git repo https://github.com/VioletasTheThird/rune written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/VioletasTheThird/rune already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: target.riscv64gc-unknown-none-elf.linker
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99c34145e7a489036d317440bdc4e70c80900160792f60daac9c74b4cdc3a8f4
[INFO] running `"docker" "start" "-a" "99c34145e7a489036d317440bdc4e70c80900160792f60daac9c74b4cdc3a8f4"`
[INFO] [stderr] warning: unused manifest key: target.riscv64gc-unknown-none-elf.linker
[INFO] [stderr]     Checking kissos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/arch/riscv/mod.rs:387:2
[INFO] [stderr]     |
[INFO] [stderr] 387 |     ((sz + PGSIZE - 1) & !(PGSIZE - 1))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/arch/riscv/mod.rs:391:2
[INFO] [stderr]     |
[INFO] [stderr] 391 |     (a & !(PGSIZE - 1))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::arch::riscv`
[INFO] [stderr]  --> src/paging.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::arch::riscv;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ptr::null_mut`
[INFO] [stderr]  --> src/paging.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::ptr::null_mut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::Log`
[INFO] [stderr]   --> src/lib.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use log::Log;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uart0`
[INFO] [stderr]   --> src/lib.rs:98:7
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let uart0 = devices::uart0::uart0();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_uart0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]  --> src/timer.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let id = riscv::mhartid_read();
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `physical_addr`
[INFO] [stderr]   --> src/mm/mod.rs:75:2
[INFO] [stderr]    |
[INFO] [stderr] 75 |     physical_addr: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_physical_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kmem`
[INFO] [stderr]    --> src/mm/mod.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn uvm_unmap(kmem: &mut paging::Kmem, table: Table, virtual_addr: usize, size: usize, free: bool) {
[INFO] [stderr]     |                  ^^^^ help: consider prefixing with an underscore: `_kmem`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/mm/mod.rs:105:43
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn uvm_unmap(kmem: &mut paging::Kmem, table: Table, virtual_addr: usize, size: usize, free: bool) {
[INFO] [stderr]     |                                           ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `virtual_addr`
[INFO] [stderr]    --> src/mm/mod.rs:105:57
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn uvm_unmap(kmem: &mut paging::Kmem, table: Table, virtual_addr: usize, size: usize, free: bool) {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_virtual_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/mm/mod.rs:105:78
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn uvm_unmap(kmem: &mut paging::Kmem, table: Table, virtual_addr: usize, size: usize, free: bool) {
[INFO] [stderr]     |                                                                              ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `free`
[INFO] [stderr]    --> src/mm/mod.rs:105:91
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn uvm_unmap(kmem: &mut paging::Kmem, table: Table, virtual_addr: usize, size: usize, free: bool) {
[INFO] [stderr]     |                                                                                           ^^^^ help: consider prefixing with an underscore: `_free`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mm/mod.rs:37:50
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub unsafe fn walk_addr(kmem: &mut paging::Kmem, mut table: Table, virtual_addr: usize) -> u64 {
[INFO] [stderr]    |                                                  ----^^^^^
[INFO] [stderr]    |                                                  |
[INFO] [stderr]    |                                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stderr]   --> src/mm/mod.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let pte = walk(kmem, table, virtual_addr, false);
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]    |
[INFO] [stderr]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0133`.
[INFO] [stderr] error: could not compile `kissos`.
[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: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/arch/riscv/mod.rs:387:2
[INFO] [stderr]     |
[INFO] [stderr] 387 |     ((sz + PGSIZE - 1) & !(PGSIZE - 1))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/arch/riscv/mod.rs:391:2
[INFO] [stderr]     |
[INFO] [stderr] 391 |     (a & !(PGSIZE - 1))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::arch::riscv`
[INFO] [stderr]  --> src/paging.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::arch::riscv;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ptr::null_mut`
[INFO] [stderr]  --> src/paging.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::ptr::null_mut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::Log`
[INFO] [stderr]   --> src/lib.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use log::Log;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stderr]   --> src/lib.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | extern "C" fn eh_personality() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/lib.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stderr] 39 | |     use log::Log;
[INFO] [stderr] 40 | |
[INFO] [stderr] 41 | |     println!(
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     abort();
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `kissos`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "99c34145e7a489036d317440bdc4e70c80900160792f60daac9c74b4cdc3a8f4"`
[INFO] running `"docker" "rm" "-f" "99c34145e7a489036d317440bdc4e70c80900160792f60daac9c74b4cdc3a8f4"`
[INFO] [stdout] 99c34145e7a489036d317440bdc4e70c80900160792f60daac9c74b4cdc3a8f4