[INFO] cloning repository https://github.com/TejaswiBattula/os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TejaswiBattula/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTejaswiBattula%2Fos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTejaswiBattula%2Fos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4450a3da796558bd55143ec831d20475d0483fdb [INFO] checking TejaswiBattula/os against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTejaswiBattula%2Fos" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/TejaswiBattula/os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/TejaswiBattula/os [INFO] tweaked toml for git repo https://github.com/TejaswiBattula/os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/TejaswiBattula/os on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/TejaswiBattula/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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded volatile v0.2.6 [INFO] [stderr] Downloaded linked_list_allocator v0.9.1 [INFO] [stderr] Downloaded bootloader v0.9.30 [INFO] [stderr] Downloaded spinning_top v0.2.5 [INFO] [stderr] Downloaded x86_64 v0.14.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dddcda466b5f853755bc34f9481a3e183287a3dc37c5edacd8af0c6f5e4a3d24 [INFO] running `Command { std: "docker" "start" "-a" "dddcda466b5f853755bc34f9481a3e183287a3dc37c5edacd8af0c6f5e4a3d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dddcda466b5f853755bc34f9481a3e183287a3dc37c5edacd8af0c6f5e4a3d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dddcda466b5f853755bc34f9481a3e183287a3dc37c5edacd8af0c6f5e4a3d24", kill_on_drop: false }` [INFO] [stdout] dddcda466b5f853755bc34f9481a3e183287a3dc37c5edacd8af0c6f5e4a3d24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03bfe35cb62d59973505bad925c866cfae76ec24aecd305a6db476e2441d10ec [INFO] running `Command { std: "docker" "start" "-a" "03bfe35cb62d59973505bad925c866cfae76ec24aecd305a6db476e2441d10ec", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling bootloader v0.9.30 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking x86_64 v0.14.13 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking pc-keyboard v0.7.0 [INFO] [stderr] Checking spinning_top v0.2.5 [INFO] [stderr] Checking volatile v0.2.6 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking linked_list_allocator v0.9.1 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking uart_16550 v0.2.19 [INFO] [stderr] Checking pic8259 v0.10.4 [INFO] [stderr] Checking blog_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DecodedKey` [INFO] [stdout] --> src/interrupts.rs:64:32 [INFO] [stdout] | [INFO] [stdout] 64 | use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1}; [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: `linked_list_allocator::LockedHeap` [INFO] [stdout] --> src/allocator.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use linked_list_allocator::LockedHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bump::BumpAllocator` [INFO] [stdout] --> src/allocator.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use bump::BumpAllocator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linked_list::LinkedListAllocator` [INFO] [stdout] --> src/allocator.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use linked_list::LinkedListAllocator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DecodedKey` [INFO] [stdout] --> src/interrupts.rs:64:32 [INFO] [stdout] | [INFO] [stdout] 64 | use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1}; [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: `linked_list_allocator::LockedHeap` [INFO] [stdout] --> src/allocator.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use linked_list_allocator::LockedHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bump::BumpAllocator` [INFO] [stdout] --> src/allocator.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use bump::BumpAllocator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linked_list::LinkedListAllocator` [INFO] [stdout] --> src/allocator.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use linked_list::LinkedListAllocator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interrupts.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `keyboard` [INFO] [stdout] --> src/interrupts.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (lib test) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interrupts.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `keyboard` [INFO] [stdout] --> src/interrupts.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let mut keyboard = KEYBOARD.lock(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/allocator.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn lock(&self) -> spin::MutexGuard { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn lock(&self) -> spin::MutexGuard<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "03bfe35cb62d59973505bad925c866cfae76ec24aecd305a6db476e2441d10ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03bfe35cb62d59973505bad925c866cfae76ec24aecd305a6db476e2441d10ec", kill_on_drop: false }` [INFO] [stdout] 03bfe35cb62d59973505bad925c866cfae76ec24aecd305a6db476e2441d10ec