[INFO] cloning repository https://github.com/clove335/write_OS_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clove335/write_OS_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclove335%2Fwrite_OS_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclove335%2Fwrite_OS_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d952714c5a5c997801c7367ab219cf6f10b3a9bc
[INFO] testing clove335/write_OS_in_Rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclove335%2Fwrite_OS_in_Rust" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clove335/write_OS_in_Rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-110/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/clove335/write_OS_in_Rust
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/clove335/write_OS_in_Rust
[INFO] tweaked toml for git repo https://github.com/clove335/write_OS_in_Rust written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/clove335/write_OS_in_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8f9d4898958b6232261122a3fe056ea19340f9940fefe0a8730e773d5510a96
[INFO] running `Command { std: "docker" "start" "-a" "f8f9d4898958b6232261122a3fe056ea19340f9940fefe0a8730e773d5510a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f9d4898958b6232261122a3fe056ea19340f9940fefe0a8730e773d5510a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f9d4898958b6232261122a3fe056ea19340f9940fefe0a8730e773d5510a96", kill_on_drop: false }`
[INFO] [stdout] f8f9d4898958b6232261122a3fe056ea19340f9940fefe0a8730e773d5510a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5507061fdf291d0435f91c6b3cfb92df5e90e240237426982d0f3742e40e74
[INFO] running `Command { std: "docker" "start" "-a" "0d5507061fdf291d0435f91c6b3cfb92df5e90e240237426982d0f3742e40e74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bootloader v0.9.18
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling conquer-util v0.2.0
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling conquer-once v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling linked_list_allocator v0.9.0
[INFO] [stderr]    Compiling pic8259 v0.10.1
[INFO] [stderr]    Compiling uart_16550 v0.2.15
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling write_os_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `f32::consts`, `panic`
[INFO] [stdout]  --> src/memory.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{f32::consts, panic};
[INFO] [stdout]   |            ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyboard`
[INFO] [stdout]   --> src/interrupts.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interrupts.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut keyboard = KEYBOARD.lock();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simple_executor::SimpleExecutor`
[INFO] [stdout]   --> src/main.rs:14:60
[INFO] [stdout]    |
[INFO] [stdout] 14 | use write_os_in_rust::task::{executor::Executor, keyboard, simple_executor::SimpleExecutor, Task};
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `write_os_in_rust` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0d5507061fdf291d0435f91c6b3cfb92df5e90e240237426982d0f3742e40e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5507061fdf291d0435f91c6b3cfb92df5e90e240237426982d0f3742e40e74", kill_on_drop: false }`
[INFO] [stdout] 0d5507061fdf291d0435f91c6b3cfb92df5e90e240237426982d0f3742e40e74