[INFO] updating cached repository https://github.com/boyuangong/os_rust [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] e9a87781af6ee3db99841d3b253ab77273272826 [INFO] checking boyuangong/os_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboyuangong%2Fos_rust" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/boyuangong/os_rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/boyuangong/os_rust [INFO] finished tweaking git repo https://github.com/boyuangong/os_rust [INFO] tweaked toml for git repo https://github.com/boyuangong/os_rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/boyuangong/os_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] d1c71ba86c59fbf1c6182987d646e1914f8d46b37832095ee8d0351938171963 [INFO] running `"docker" "start" "-a" "d1c71ba86c59fbf1c6182987d646e1914f8d46b37832095ee8d0351938171963"` [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking os_bootinfo v0.2.1 [INFO] [stderr] Checking ux v0.1.3 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking usize_conversions v0.2.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking cpuio v0.2.0 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking zero v0.1.2 [INFO] [stderr] Checking font8x8 v0.2.4 [INFO] [stderr] Checking volatile v0.2.6 [INFO] [stderr] Checking pc-keyboard v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking array-init v0.0.4 [INFO] [stderr] Checking array-init v0.0.3 [INFO] [stderr] Checking pic8259_simple v0.1.1 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Checking xmas-elf v0.6.2 [INFO] [stderr] Checking x86_64 v0.2.14 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Checking uart_16550 v0.1.0 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling skeptic v0.5.0 [INFO] [stderr] Checking x86_64 v0.3.6 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Checking bootloader v0.3.14 [INFO] [stderr] Checking x86_64 v0.4.2 [INFO] [stderr] Checking os_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0432]: unresolved import `alloc::alloc::Alloc` [INFO] [stderr] --> src/heap_allocator.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use alloc::alloc::{Alloc, AllocErr, Layout}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | | [INFO] [stderr] | no `Alloc` in `alloc` [INFO] [stderr] | help: a similar name exists in the module: `alloc` [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] error[E0432]: unresolved import `alloc::alloc::Alloc` [INFO] [stderr] --> src/heap_allocator.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use alloc::alloc::{Alloc, AllocErr, Layout}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | | [INFO] [stderr] | no `Alloc` in `alloc` [INFO] [stderr] | help: a similar name exists in the module: `alloc` [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] error: aborting due to previous error; 6 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0432`. [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]: found duplicate lang item `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: the lang item is first defined in crate `std` (which `os_rust` depends on) [INFO] [stderr] [INFO] [stderr] error: could not compile `os_rust`. [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] error: aborting due to 2 previous errors; 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0152, E0432. [INFO] [stderr] For more information about an error, try `rustc --explain E0152`. [INFO] [stderr] error: could not compile `os_rust`. [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] error: build failed [INFO] running `"docker" "inspect" "d1c71ba86c59fbf1c6182987d646e1914f8d46b37832095ee8d0351938171963"` [INFO] running `"docker" "rm" "-f" "d1c71ba86c59fbf1c6182987d646e1914f8d46b37832095ee8d0351938171963"` [INFO] [stdout] d1c71ba86c59fbf1c6182987d646e1914f8d46b37832095ee8d0351938171963