[INFO] cloning repository https://github.com/sonhs99/RustyOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sonhs99/RustyOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonhs99%2FRustyOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonhs99%2FRustyOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d563082b234538e123c56e1854d01e4ca281f18
[INFO] checking sonhs99/RustyOS against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonhs99%2FRustyOS" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sonhs99/RustyOS on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/sonhs99/RustyOS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/sonhs99/RustyOS
[INFO] tweaked toml for git repo https://github.com/sonhs99/RustyOS written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sonhs99/RustyOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (conquer-once) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.conquer-once.verison
[INFO] [stderr] warning: unused manifest key: dependencies.futures-util.featrues
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b7c3c2572717318d7328b9a6341c2e7df11631c0d3ea282ce0becd466bb3a97
[INFO] running `Command { std: "docker" "start" "-a" "9b7c3c2572717318d7328b9a6341c2e7df11631c0d3ea282ce0becd466bb3a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b7c3c2572717318d7328b9a6341c2e7df11631c0d3ea282ce0becd466bb3a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7c3c2572717318d7328b9a6341c2e7df11631c0d3ea282ce0becd466bb3a97", kill_on_drop: false }`
[INFO] [stdout] 9b7c3c2572717318d7328b9a6341c2e7df11631c0d3ea282ce0becd466bb3a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cedefeaf9ddc83ba43d9d9d4c01052bea95ca14d30de88f44a1b758b158370a2
[INFO] running `Command { std: "docker" "start" "-a" "cedefeaf9ddc83ba43d9d9d4c01052bea95ca14d30de88f44a1b758b158370a2", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (conquer-once) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.conquer-once.verison
[INFO] [stderr] warning: unused manifest key: dependencies.futures-util.featrues
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling bootloader v0.9.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking linked_list_allocator v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking uart_16550 v0.2.15
[INFO] [stderr]     Checking pic8259 v0.10.1
[INFO] [stderr]     Checking RustyOS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `task::executor::Executor`
[INFO] [stdout]  --> src/interrupts.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{gdt, println, task::executor::Executor};
[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] warning: unused import: `task::executor::Executor`
[INFO] [stdout]  --> src/interrupts.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{gdt, println, task::executor::Executor};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 `RustyOS`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cedefeaf9ddc83ba43d9d9d4c01052bea95ca14d30de88f44a1b758b158370a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cedefeaf9ddc83ba43d9d9d4c01052bea95ca14d30de88f44a1b758b158370a2", kill_on_drop: false }`
[INFO] [stdout] cedefeaf9ddc83ba43d9d9d4c01052bea95ca14d30de88f44a1b758b158370a2