[INFO] cloning repository https://github.com/SchrodingerZhu/libc-free
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SchrodingerZhu/libc-free" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Flibc-free", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Flibc-free'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b30d69303e047d1caaba159146ca158802524cc
[INFO] checking SchrodingerZhu/libc-free against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Flibc-free" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SchrodingerZhu/libc-free on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SchrodingerZhu/libc-free
[INFO] finished tweaking git repo https://github.com/SchrodingerZhu/libc-free
[INFO] tweaked toml for git repo https://github.com/SchrodingerZhu/libc-free written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/SchrodingerZhu/libc-free already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syscalls v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30d6348d259fed8e0371032eb8e43ac34b5cfc015bb95edd54d0ee6e46b2f048
[INFO] running `Command { std: "docker" "start" "-a" "30d6348d259fed8e0371032eb8e43ac34b5cfc015bb95edd54d0ee6e46b2f048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30d6348d259fed8e0371032eb8e43ac34b5cfc015bb95edd54d0ee6e46b2f048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d6348d259fed8e0371032eb8e43ac34b5cfc015bb95edd54d0ee6e46b2f048", kill_on_drop: false }`
[INFO] [stdout] 30d6348d259fed8e0371032eb8e43ac34b5cfc015bb95edd54d0ee6e46b2f048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3c15b40e6513cb8d755cd568aabd14d1ffd83d2c6031a61aa7817dac7749143
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3c15b40e6513cb8d755cd568aabd14d1ffd83d2c6031a61aa7817dac7749143", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling syscalls v0.3.2
[INFO] [stderr]     Checking untitled7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `syscalls::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syscalls::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use core::fmt::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem::size_of`
[INFO] [stdout]  --> src/memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem::size_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EWRITER`, `WRITER`
[INFO] [stdout]  --> src/memory.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::write::{WRITER, EWRITER};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syscalls::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syscalls::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use core::fmt::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem::size_of`
[INFO] [stdout]  --> src/memory.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem::size_of;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EWRITER`, `WRITER`
[INFO] [stdout]  --> src/memory.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::write::{WRITER, EWRITER};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:170:19
[INFO] [stdout]     |
[INFO] [stdout] 170 |     unsafe fn set(mut i: u8) {
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut node = 0;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut ncpu = 0;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUMA_LIMIT`
[INFO] [stdout]  --> src/memory.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const NUMA_LIMIT : usize = 256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEGMENT_MASK`
[INFO] [stdout]   --> src/memory.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub const SEGMENT_MASK : usize = 0xffffffffffc00000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEGMENT_SHIFT`
[INFO] [stdout]   --> src/memory.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const SEGMENT_SHIFT : usize = 22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEGMENT_SIZE`
[INFO] [stdout]   --> src/memory.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub const SEGMENT_SIZE : usize = 4194304;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SMALL_PAGE_SHIFT`
[INFO] [stdout]   --> src/memory.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub const SMALL_PAGE_SHIFT : usize = 16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SMALL_PAGE_SIZE`
[INFO] [stdout]   --> src/memory.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub const SMALL_PAGE_SIZE : usize = 65536;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MID_PAGE_SHIFT`
[INFO] [stdout]   --> src/memory.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const MID_PAGE_SHIFT : usize = 19;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MID_PAGE_SIZE`
[INFO] [stdout]   --> src/memory.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const MID_PAGE_SIZE : usize = 524288;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HUGE_PAGE_SHIFT`
[INFO] [stdout]   --> src/memory.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub const HUGE_PAGE_SHIFT : usize = 22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HUGE_PAGE_SIZE`
[INFO] [stdout]   --> src/memory.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub const HUGE_PAGE_SIZE : usize = 4194304;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `PageType`
[INFO] [stdout]   --> src/memory.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 | enum PageType {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalBlock`
[INFO] [stdout]   --> src/memory.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | struct LocalBlock {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]    --> src/memory.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Block {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Page`
[INFO] [stdout]    --> src/memory.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct Page {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Segment`
[INFO] [stdout]    --> src/memory.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Segment {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `address_hint`
[INFO] [stdout]    --> src/memory.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn address_hint(alignment: usize, size: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hinted_mmap`
[INFO] [stdout]    --> src/memory.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 | unsafe fn hinted_mmap(addr: *mut u8, size: usize, alignment: usize, prot_flags: i64, map_flags: i64, fd: i64) -> *mut u8 {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `munmap`
[INFO] [stdout]    --> src/memory.rs:162:11
[INFO] [stdout]     |
[INFO] [stdout] 162 | unsafe fn munmap(addr: *mut u8, size: usize) -> bool {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `numa_count`
[INFO] [stdout]    --> src/memory.rs:166:11
[INFO] [stdout]     |
[INFO] [stdout] 166 | unsafe fn numa_count() -> usize {
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `current_numa_node`
[INFO] [stdout]    --> src/memory.rs:211:11
[INFO] [stdout]     |
[INFO] [stdout] 211 | unsafe fn current_numa_node() -> usize {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Heap`
[INFO] [stdout]    --> src/memory.rs:225:8
[INFO] [stdout]     |
[INFO] [stdout] 225 | struct Heap {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_SET_GS`
[INFO] [stdout]  --> src/thread.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ARCH_SET_GS : u64 =         0x1001;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_GET_FS`
[INFO] [stdout]  --> src/thread.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const ARCH_GET_FS : u64 =         0x1003;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_GET_GS`
[INFO] [stdout]  --> src/thread.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const ARCH_GET_GS : u64 =         0x1004;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:170:19
[INFO] [stdout]     |
[INFO] [stdout] 170 |     unsafe fn set(mut i: u8) {
[INFO] [stdout]     |                   ----^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut node = 0;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut ncpu = 0;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `NAIVE_ALLOC`
[INFO] [stdout]   --> src/memory.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub static NAIVE_ALLOC: NaiveAllocator = NaiveAllocator;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEGMENT_MASK`
[INFO] [stdout]   --> src/memory.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub const SEGMENT_MASK : usize = 0xffffffffffc00000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEGMENT_SHIFT`
[INFO] [stdout]   --> src/memory.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const SEGMENT_SHIFT : usize = 22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEGMENT_SIZE`
[INFO] [stdout]   --> src/memory.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub const SEGMENT_SIZE : usize = 4194304;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SMALL_PAGE_SHIFT`
[INFO] [stdout]   --> src/memory.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub const SMALL_PAGE_SHIFT : usize = 16;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SMALL_PAGE_SIZE`
[INFO] [stdout]   --> src/memory.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub const SMALL_PAGE_SIZE : usize = 65536;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MID_PAGE_SHIFT`
[INFO] [stdout]   --> src/memory.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const MID_PAGE_SHIFT : usize = 19;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MID_PAGE_SIZE`
[INFO] [stdout]   --> src/memory.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const MID_PAGE_SIZE : usize = 524288;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HUGE_PAGE_SHIFT`
[INFO] [stdout]   --> src/memory.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub const HUGE_PAGE_SHIFT : usize = 22;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HUGE_PAGE_SIZE`
[INFO] [stdout]   --> src/memory.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub const HUGE_PAGE_SIZE : usize = 4194304;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `PageType`
[INFO] [stdout]   --> src/memory.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 | enum PageType {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalBlock`
[INFO] [stdout]   --> src/memory.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | struct LocalBlock {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]    --> src/memory.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Block {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Page`
[INFO] [stdout]    --> src/memory.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct Page {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Segment`
[INFO] [stdout]    --> src/memory.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Segment {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `address_hint`
[INFO] [stdout]    --> src/memory.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn address_hint(alignment: usize, size: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hinted_mmap`
[INFO] [stdout]    --> src/memory.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 | unsafe fn hinted_mmap(addr: *mut u8, size: usize, alignment: usize, prot_flags: i64, map_flags: i64, fd: i64) -> *mut u8 {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `munmap`
[INFO] [stdout]    --> src/memory.rs:162:11
[INFO] [stdout]     |
[INFO] [stdout] 162 | unsafe fn munmap(addr: *mut u8, size: usize) -> bool {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Heap`
[INFO] [stdout]    --> src/memory.rs:225:8
[INFO] [stdout]     |
[INFO] [stdout] 225 | struct Heap {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_SET_GS`
[INFO] [stdout]  --> src/thread.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ARCH_SET_GS : u64 =         0x1001;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_SET_FS`
[INFO] [stdout]  --> src/thread.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ARCH_SET_FS : u64 =         0x1002;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_GET_FS`
[INFO] [stdout]  --> src/thread.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const ARCH_GET_FS : u64 =         0x1003;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARCH_GET_GS`
[INFO] [stdout]  --> src/thread.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const ARCH_GET_GS : u64 =         0x1004;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Thread`
[INFO] [stdout]   --> src/thread.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Thread {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PaddedThread`
[INFO] [stdout]   --> src/thread.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct PaddedThread {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_main_thread`
[INFO] [stdout]   --> src/thread.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub unsafe fn init_main_thread() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_self`
[INFO] [stdout]   --> src/thread.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub unsafe fn thread_self() -> &'static mut Thread {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `munmap_self`
[INFO] [stdout]   --> src/thread.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub unsafe fn munmap_self() {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "c3c15b40e6513cb8d755cd568aabd14d1ffd83d2c6031a61aa7817dac7749143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c15b40e6513cb8d755cd568aabd14d1ffd83d2c6031a61aa7817dac7749143", kill_on_drop: false }`
[INFO] [stdout] c3c15b40e6513cb8d755cd568aabd14d1ffd83d2c6031a61aa7817dac7749143