[INFO] cloning repository boyuangong/os_rust [INFO] running `"git" "clone" "--bare" "git://github.com/boyuangong/os_rust.git" "work/cache/sources/gh/boyuangong/os_rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/boyuangong/os_rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/boyuangong/os_rust" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/boyuangong/os_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/boyuangong/os_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/boyuangong/os_rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/boyuangong/os_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/boyuangong/os_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e9a87781af6ee3db99841d3b253ab77273272826 [INFO] sha for GitHub repo boyuangong/os_rust: e9a87781af6ee3db99841d3b253ab77273272826 [INFO] validating manifest of boyuangong/os_rust on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of boyuangong/os_rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing boyuangong/os_rust [INFO] finished frobbing boyuangong/os_rust [INFO] frobbed toml for boyuangong/os_rust written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/boyuangong/os_rust/Cargo.toml [INFO] started frobbing boyuangong/os_rust [INFO] finished frobbing boyuangong/os_rust [INFO] frobbed toml for boyuangong/os_rust written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/boyuangong/os_rust/Cargo.toml [INFO] crate boyuangong/os_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking boyuangong/os_rust against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/boyuangong/os_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 763941a7da3d63e75852541ed8ef95a0109e54451cca1e3ba7671181bd9e0acb [INFO] running `"docker" "start" "-a" "763941a7da3d63e75852541ed8ef95a0109e54451cca1e3ba7671181bd9e0acb"` [INFO] [stderr] Checking pc-keyboard v0.3.1 [INFO] [stderr] Checking array-init v0.0.3 [INFO] [stderr] Checking x86_64 v0.2.14 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Checking fixedvec v0.2.3 [INFO] [stderr] Checking bootloader v0.3.14 [INFO] [stderr] Checking uart_16550 v0.1.0 [INFO] [stderr] Checking x86_64 v0.4.2 [INFO] [stderr] Checking os_rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `alloc::boxed::Box` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use alloc::boxed::Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | 0x20...0x7e | b'\n' => self.write_byte(byte), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: the item `hlt_loop` is imported redundantly [INFO] [stderr] --> src/interrupts.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::{gdt, hlt_loop, print, println}; [INFO] [stderr] | -------- the item `hlt_loop` is already imported here [INFO] [stderr] ... [INFO] [stderr] 49 | use crate::hlt_loop; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Hole`, `align_up` [INFO] [stderr] --> src/heap_allocator.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::hole::{HoleList, Hole, align_up}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::ptr::null_mut` [INFO] [stderr] --> src/heap_allocator.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::ptr::null_mut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::mem` [INFO] [stderr] --> src/heap_allocator.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use core::mem; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `global_allocator` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(global_allocator)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | #![feature(alloc)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `alloc::boxed::Box` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use alloc::boxed::Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | 0x20...0x7e | b'\n' => self.write_byte(byte), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: the item `hlt_loop` is imported redundantly [INFO] [stderr] --> src/interrupts.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::{gdt, hlt_loop, print, println}; [INFO] [stderr] | -------- the item `hlt_loop` is already imported here [INFO] [stderr] ... [INFO] [stderr] 49 | use crate::hlt_loop; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Hole`, `align_up` [INFO] [stderr] --> src/heap_allocator.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::hole::{HoleList, Hole, align_up}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::ptr::null_mut` [INFO] [stderr] --> src/heap_allocator.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::ptr::null_mut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::mem` [INFO] [stderr] --> src/heap_allocator.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use core::mem; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `alloc::boxed::Box` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use alloc::boxed::Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | 0x20...0x7e | b'\n' => self.write_byte(byte), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Box` is imported redundantly [INFO] [stderr] --> src/vga_buffer.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | use std::boxed::Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `hlt_loop` is imported redundantly [INFO] [stderr] --> src/interrupts.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::{gdt, hlt_loop, print, println}; [INFO] [stderr] | -------- the item `hlt_loop` is already imported here [INFO] [stderr] ... [INFO] [stderr] 49 | use crate::hlt_loop; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Hole`, `align_up` [INFO] [stderr] --> src/heap_allocator.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::hole::{HoleList, Hole, align_up}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::ptr::null_mut` [INFO] [stderr] --> src/heap_allocator.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::ptr::null_mut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::mem` [INFO] [stderr] --> src/heap_allocator.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use core::mem; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `oom`. [INFO] [stderr] --> src/lib.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | / fn alloc_error(_layout: Layout) -> ! { [INFO] [stderr] 47 | | loop {} [INFO] [stderr] 48 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std`. [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 `os_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: the feature `global_allocator` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(global_allocator)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | #![feature(alloc)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error: duplicate lang item in crate `os_rust`: `oom`. [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std`. [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `os_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: duplicate lang item in crate `os_rust`: `oom`. [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std`. [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `os_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: duplicate lang item in crate `std`: `oom`. [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `os_rust`. [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `os_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: duplicate lang item in crate `os_rust`: `oom`. [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std`. [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `os_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: duplicate lang item in crate `std`: `oom`. [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `os_rust`. [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `os_rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "763941a7da3d63e75852541ed8ef95a0109e54451cca1e3ba7671181bd9e0acb"` [INFO] running `"docker" "rm" "-f" "763941a7da3d63e75852541ed8ef95a0109e54451cca1e3ba7671181bd9e0acb"` [INFO] [stdout] 763941a7da3d63e75852541ed8ef95a0109e54451cca1e3ba7671181bd9e0acb