[INFO] updating cached repository https://github.com/0xffset/OS
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f75f70aa738cdc32dbb1dedfdf9101077e7cff08
[INFO] checking 0xffset/OS/f75f70aa738cdc32dbb1dedfdf9101077e7cff08 against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xffset%2FOS" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xffset/OS on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/0xffset/OS
[INFO] finished tweaking git repo https://github.com/0xffset/OS
[INFO] tweaked toml for git repo https://github.com/0xffset/OS written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/0xffset/OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f0e4f0e06a59dad52813f3231d58d9446645adf1711be3cc3866f01e0e91556
[INFO] running `Command { std: "docker" "start" "-a" "2f0e4f0e06a59dad52813f3231d58d9446645adf1711be3cc3866f01e0e91556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f0e4f0e06a59dad52813f3231d58d9446645adf1711be3cc3866f01e0e91556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0e4f0e06a59dad52813f3231d58d9446645adf1711be3cc3866f01e0e91556", kill_on_drop: false }`
[INFO] [stdout] 2f0e4f0e06a59dad52813f3231d58d9446645adf1711be3cc3866f01e0e91556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e1838d56e926ff52ed33abcac84455061a6cbc121e03d6a9bcdfab702c1807
[INFO] running `Command { std: "docker" "start" "-a" "57e1838d56e926ff52ed33abcac84455061a6cbc121e03d6a9bcdfab702c1807", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking volatile v0.4.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling bootloader v0.10.12
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking noto-sans-mono-bitmap v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking locate-cargo-manifest v0.2.2
[INFO] [stderr]     Checking bootloader-locator v0.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking x86_64 v0.14.9
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking uart_16550 v0.2.18
[INFO] [stderr]     Checking pic8259 v0.10.2
[INFO] [stderr]     Checking internal_utils v0.1.0 (/opt/rustwide/workdir/internal_utils)
[INFO] [stderr]     Checking test_framework v0.1.0 (/opt/rustwide/workdir/test_framework)
[INFO] [stderr]     Checking kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> kernel/src/init.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern "C" fn test_syscall(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> kernel/src/init.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern "C" fn test_syscall(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> kernel/src/init.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern "C" fn test_syscall(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> kernel/src/init.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern "C" fn test_syscall(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> kernel/src/init.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern "C" fn test_syscall2(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> kernel/src/init.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern "C" fn test_syscall2(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> kernel/src/init.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern "C" fn test_syscall2(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> kernel/src/init.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern "C" fn test_syscall2(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ata v0.1.0 (/opt/rustwide/workdir/drivers/ata)
[INFO] [stdout] warning: `extern` fn uses type `Arc<Mutex<dyn FullFrameAllocator>>`, which is not FFI-safe
[INFO] [stdout]   --> drivers/ata/src/lib.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub extern "C" fn driver_init(_kernel_info: KernelInformation) -> Driver {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rost-lib v0.1.0 (/opt/rustwide/workdir/rost-lib)
[INFO] [stdout] warning: `extern` fn uses type `Arc<Mutex<dyn FullFrameAllocator>>`, which is not FFI-safe
[INFO] [stdout]   --> drivers/ata/src/lib.rs:32:45
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub extern "C" fn driver_init(_kernel_info: KernelInformation) -> Driver {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr] error: could not compile `noto-sans-mono-bitmap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name noto_sans_mono_bitmap --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/noto-sans-mono-bitmap-0.1.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="all"' --cfg 'feature="bold"' --cfg 'feature="default"' --cfg 'feature="light"' --cfg 'feature="regular"' --cfg 'feature="size_14"' --cfg 'feature="size_16"' --cfg 'feature="size_18"' --cfg 'feature="size_20"' --cfg 'feature="size_22"' --cfg 'feature="size_24"' --cfg 'feature="size_32"' --cfg 'feature="size_64"' -C metadata=503288c99e8576cd -C extra-filename=-503288c99e8576cd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57e1838d56e926ff52ed33abcac84455061a6cbc121e03d6a9bcdfab702c1807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e1838d56e926ff52ed33abcac84455061a6cbc121e03d6a9bcdfab702c1807", kill_on_drop: false }`
[INFO] [stdout] 57e1838d56e926ff52ed33abcac84455061a6cbc121e03d6a9bcdfab702c1807