[INFO] cloning repository https://github.com/minneelyyyy/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minneelyyyy/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminneelyyyy%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminneelyyyy%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d48d159be33a6c0ef013e4fd4cb7ded0b49fb4b
[INFO] fixing minneelyyyy/os against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminneelyyyy%2Fos" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/minneelyyyy/os
[INFO] finished tweaking git repo https://github.com/minneelyyyy/os
[INFO] tweaked toml for git repo https://github.com/minneelyyyy/os written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minneelyyyy/os on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minneelyyyy/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield-struct v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05
[INFO] running `Command { std: "docker" "start" "ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking r-efi v6.0.0
[INFO] [stderr]    Compiling bitfield-struct v0.11.0
[INFO] [stderr]     Checking vanillin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]  --> src/boot/efi.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::{ptr, slice, time};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printlnk`
[INFO] [stdout]  --> src/boot/arch/x86_64/paging.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     printlnk,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]  --> src/boot/efi.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::{ptr, slice, time};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printlnk`
[INFO] [stdout]  --> src/boot/arch/x86_64/paging.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     printlnk,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 37 | |     printlnk!("{}", info);
[INFO] [stdout] 38 | |     unsafe { arch::hcf() };
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/622891a4e29178280638a6b63a8908bde2c0c854/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ebc3593764c44f83.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`vanillin`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vanillin` (bin "vanillin" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/mem.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn overlaps(self, other: Self) -> bool {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/boot/arch/x86_64/mod.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub unsafe fn arch_entry(entry: ArchEntry) -> ! {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PAGE_SIZE` is never used
[INFO] [stdout]  --> src/mem.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const PAGE_SIZE: usize = 4096;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `overlaps` is never used
[INFO] [stdout]   --> src/mem.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl MemoryRegion {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn overlaps(self, other: Self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inb` is never used
[INFO] [stdout]   --> src/arch/x86_64/mod.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub unsafe fn inb(port: u16) -> u8 {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `map`, `kernel_region`, and `alloc` are never read
[INFO] [stdout]   --> src/boot/arch/x86_64/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ArchEntry {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 11 |     map: paging::PageMap,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     kernel_region: mem::MemoryRegion,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     alloc: boot::mem::EarlyBootAllocator,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/boot/arch/x86_64/paging.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Page4K(PageTableEntry),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mapping` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -     Page4K(PageTableEntry),
[INFO] [stdout] 55 +     Page4K(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/boot/arch/x86_64/paging.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Page2M(Huge2MPageRef),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mapping` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     Page2M(Huge2MPageRef),
[INFO] [stdout] 56 +     Page2M(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/boot/arch/x86_64/paging.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Page1G(Huge1GPageRef),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mapping` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 57 -     Page1G(Huge1GPageRef),
[INFO] [stdout] 57 +     Page1G(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `npages` is never used
[INFO] [stdout]   --> src/boot/arch/x86_64/paging.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Mapping {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 61 |     fn npages(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/boot/arch/x86_64/paging.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl PageMap {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 87 |     fn new(alloc: &mut boot::mem::EarlyBootAllocator) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bare_or_overwrite` and `page` are never used
[INFO] [stdout]    --> src/boot/arch/x86_64/paging.rs:605:8
[INFO] [stdout]     |
[INFO] [stdout] 596 | impl PageTableEntry {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 605 |     fn from_bare_or_overwrite(bare: &mut PageTableEntryBare, pde: Self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 612 |     fn page(&self) -> Option<NonNull<Page>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InterruptVector` is never used
[INFO] [stdout]  --> src/boot/arch/x86_64/irq.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum InterruptVector {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05", kill_on_drop: false }`
[INFO] [stdout] ed89c1f1ffa9cd605734835c1ad7ba26529ffa8ca6567f08ef1fa92aea5b1c05
