[INFO] cloning repository https://github.com/pitiK3U/rust-kernel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pitiK3U/rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpitiK3U%2Frust-kernel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpitiK3U%2Frust-kernel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c40e82cdb9e42aae51eab2ccc7cfedfa521a1d4 [INFO] testing pitiK3U/rust-kernel against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpitiK3U%2Frust-kernel" "/workspace/builds/worker-92/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pitiK3U/rust-kernel on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-92/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/pitiK3U/rust-kernel [INFO] finished tweaking git repo https://github.com/pitiK3U/rust-kernel [INFO] tweaked toml for git repo https://github.com/pitiK3U/rust-kernel written to /workspace/builds/worker-92/source/Cargo.toml [INFO] crate git repo https://github.com/pitiK3U/rust-kernel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f294b2ae5b02db069bbe4745abcb6c518f7172cc1769788e8fde979aab5da8ce [INFO] running `Command { std: "docker" "start" "-a" "f294b2ae5b02db069bbe4745abcb6c518f7172cc1769788e8fde979aab5da8ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f294b2ae5b02db069bbe4745abcb6c518f7172cc1769788e8fde979aab5da8ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f294b2ae5b02db069bbe4745abcb6c518f7172cc1769788e8fde979aab5da8ce", kill_on_drop: false }` [INFO] [stdout] f294b2ae5b02db069bbe4745abcb6c518f7172cc1769788e8fde979aab5da8ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c081651eff1fccd4c4844e4f5371a590021fb922d945ee4597cac833fdb03ab0 [INFO] running `Command { std: "docker" "start" "-a" "c081651eff1fccd4c4844e4f5371a590021fb922d945ee4597cac833fdb03ab0", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rkernel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interrupts.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut idt = Idt::new(); [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: struct is never constructed: `Singleton` [INFO] [stdout] --> src/essentials/singleton.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Singleton { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `take` [INFO] [stdout] --> src/essentials/singleton.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn take(&mut self) -> T { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `give` [INFO] [stdout] --> src/essentials/singleton.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn give(&mut self, inner: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unlock` [INFO] [stdout] --> src/essentials/mutex.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn unlock(&self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `HandlerFunc` [INFO] [stdout] --> src/interrupts.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub type HandlerFunc = extern "C" fn() -> !; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Gdt` [INFO] [stdout] --> src/interrupts.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Gdt = 0, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ldt` [INFO] [stdout] --> src/interrupts.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Ldt = 1, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_rpl` [INFO] [stdout] --> src/interrupts.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn set_rpl(mut self, rpl: u8) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_table_index` [INFO] [stdout] --> src/interrupts.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn set_table_index(mut self, table_index: TableIndex) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_index` [INFO] [stdout] --> src/interrupts.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn set_index(mut self, index: u16) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_code_segment` [INFO] [stdout] --> src/interrupts.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn get_code_segment() -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_handler` [INFO] [stdout] --> src/interrupts.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 82 | fn set_handler(&mut self, entry: u8, handler: HandlerFunc) -> &mut TypeAttribute { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/interrupts.rs:125:16 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn new(selector: Selector, handler: HandlerFunc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `GateType` [INFO] [stdout] --> src/interrupts.rs:148:10 [INFO] [stdout] | [INFO] [stdout] 148 | enum GateType { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Dpl` [INFO] [stdout] --> src/interrupts.rs:162:10 [INFO] [stdout] | [INFO] [stdout] 162 | enum Dpl { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_present` [INFO] [stdout] --> src/interrupts.rs:178:12 [INFO] [stdout] | [INFO] [stdout] 178 | fn set_present(&mut self, present: bool) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_dpl` [INFO] [stdout] --> src/interrupts.rs:183:12 [INFO] [stdout] | [INFO] [stdout] 183 | fn set_dpl(&mut self, dpl: Dpl) -> &mut Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_gate` [INFO] [stdout] --> src/interrupts.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 188 | fn set_gate(&mut self, gate: GateType) -> &mut Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/port.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn write(&self, value: u32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Success` [INFO] [stdout] --> src/test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Success = 0x10, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Failed` [INFO] [stdout] --> src/test.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Failed = 0x11, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exit_qemu` [INFO] [stdout] --> src/test.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn exit_qemu(exit_code: QemuExitCode) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_raw_ptr_deref` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(const_raw_ptr_deref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `IDT` should have a snake case name [INFO] [stdout] --> src/interrupts.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub mod IDT { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `idt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.9.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liblazy_static-fa830f1fafdc889c.rlib" "/opt/rustwide/target/debug/deps/libspin-2c2d0e97c8363747.rlib" "/opt/rustwide/target/debug/deps/libbit_field-cef47076aabb6298.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rkernel-6bb4dc542b4e3f2b.rkernel.9cb20d87-cgu.5.rcgu.o: in function `_start': [INFO] [stdout] /opt/rustwide/workdir/src/main.rs:52: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stdout] /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': [INFO] [stdout] (.text+0x16): undefined reference to `__libc_csu_fini' [INFO] [stdout] /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init' [INFO] [stdout] /usr/bin/ld: (.text+0x24): undefined reference to `main' [INFO] [stdout] /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rkernel` due to 2 previous errors; 25 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c081651eff1fccd4c4844e4f5371a590021fb922d945ee4597cac833fdb03ab0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c081651eff1fccd4c4844e4f5371a590021fb922d945ee4597cac833fdb03ab0", kill_on_drop: false }` [INFO] [stdout] c081651eff1fccd4c4844e4f5371a590021fb922d945ee4597cac833fdb03ab0