[INFO] cloning repository https://github.com/skushagra9/os-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skushagra9/os-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskushagra9%2Fos-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskushagra9%2Fos-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 51cd56254befc7ae75a77c3398ffa765556e8d0a [INFO] checking skushagra9/os-rust against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskushagra9%2Fos-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/skushagra9/os-rust [INFO] finished tweaking git repo https://github.com/skushagra9/os-rust [INFO] tweaked toml for git repo https://github.com/skushagra9/os-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/skushagra9/os-rust on toolchain ad93f57d532978d6739002a21bc66b45ed22f998 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/skushagra9/os-rust 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking skushagra9/os-rust against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskushagra9%2Fos-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/skushagra9/os-rust [INFO] finished tweaking git repo https://github.com/skushagra9/os-rust [INFO] tweaked toml for git repo https://github.com/skushagra9/os-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/skushagra9/os-rust on toolchain ad93f57d532978d6739002a21bc66b45ed22f998 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/skushagra9/os-rust 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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 pic8259 v0.10.4 [INFO] [stderr] Downloaded volatile v0.4.6 [INFO] [stderr] Downloaded conquer-once v0.2.1 [INFO] [stderr] Downloaded pc-keyboard v0.8.0 [INFO] [stderr] Downloaded bootloader v0.9.31 [INFO] [stderr] Downloaded x86_64 v0.14.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b11940d56edf2cb8651a1bf365ef6bd1ce879394a1b83a78a0b91a419f3b7e66 [INFO] running `Command { std: "docker" "start" "-a" "b11940d56edf2cb8651a1bf365ef6bd1ce879394a1b83a78a0b91a419f3b7e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b11940d56edf2cb8651a1bf365ef6bd1ce879394a1b83a78a0b91a419f3b7e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b11940d56edf2cb8651a1bf365ef6bd1ce879394a1b83a78a0b91a419f3b7e66", kill_on_drop: false }` [INFO] [stdout] b11940d56edf2cb8651a1bf365ef6bd1ce879394a1b83a78a0b91a419f3b7e66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87f5d727eef48caedd4c5acf6d2c85c706ce39bf677419f8b29e7736c48f7be6 [INFO] running `Command { std: "docker" "start" "-a" "87f5d727eef48caedd4c5acf6d2c85c706ce39bf677419f8b29e7736c48f7be6", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking volatile v0.4.6 [INFO] [stderr] Compiling bootloader v0.9.31 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking conquer-util v0.2.0 [INFO] [stderr] Checking pc-keyboard v0.8.0 [INFO] [stderr] Checking conquer-once v0.2.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking x86_64 v0.14.13 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking pic8259 v0.10.4 [INFO] [stderr] Checking rust-new v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | self.task_queue.push(self.task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = self.task_queue.push(self.task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | self.task_queue.push(task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = self.task_queue.push(task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [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: `spin::Mutex` [INFO] [stdout] --> src/pic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use spin::Mutex; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | self.task_queue.push(self.task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = self.task_queue.push(self.task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | self.task_queue.push(task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = self.task_queue.push(task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `keyboard_interrupt_handler` is never used [INFO] [stdout] --> src/interrupts.rs:29:27 [INFO] [stdout] | [INFO] [stdout] 29 | extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [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: `spin::Mutex` [INFO] [stdout] --> src/pic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use spin::Mutex; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | self.task_queue.push(self.task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = self.task_queue.push(self.task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | self.task_queue.push(task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = self.task_queue.push(task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `keyboard_interrupt_handler` is never used [INFO] [stdout] --> src/interrupts.rs:29:27 [INFO] [stdout] | [INFO] [stdout] 29 | extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.22s [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | self.task_queue.push(self.task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 21 | let _ = self.task_queue.push(self.task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/task/executor.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | self.task_queue.push(task_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = self.task_queue.push(task_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "87f5d727eef48caedd4c5acf6d2c85c706ce39bf677419f8b29e7736c48f7be6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87f5d727eef48caedd4c5acf6d2c85c706ce39bf677419f8b29e7736c48f7be6", kill_on_drop: false }` [INFO] [stdout] 87f5d727eef48caedd4c5acf6d2c85c706ce39bf677419f8b29e7736c48f7be6