[INFO] cloning repository https://github.com/maemon4095/learn_os_by_making
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maemon4095/learn_os_by_making" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Flearn_os_by_making", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Flearn_os_by_making'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c53de65798df09c3cedd4eda4b7b42935fa08009
[INFO] checking maemon4095/learn_os_by_making against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Flearn_os_by_making" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/maemon4095/learn_os_by_making
[INFO] finished tweaking git repo https://github.com/maemon4095/learn_os_by_making
[INFO] tweaked toml for git repo https://github.com/maemon4095/learn_os_by_making written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maemon4095/learn_os_by_making on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maemon4095/learn_os_by_making 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking maemon4095/learn_os_by_making against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Flearn_os_by_making" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/maemon4095/learn_os_by_making
[INFO] finished tweaking git repo https://github.com/maemon4095/learn_os_by_making
[INFO] tweaked toml for git repo https://github.com/maemon4095/learn_os_by_making written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maemon4095/learn_os_by_making on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maemon4095/learn_os_by_making 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc44d4468081c8a72afd713e9783f64d49f6badfe084994da6bdec454b0289fa
[INFO] running `Command { std: "docker" "start" "-a" "fc44d4468081c8a72afd713e9783f64d49f6badfe084994da6bdec454b0289fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc44d4468081c8a72afd713e9783f64d49f6badfe084994da6bdec454b0289fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc44d4468081c8a72afd713e9783f64d49f6badfe084994da6bdec454b0289fa", kill_on_drop: false }`
[INFO] [stdout] fc44d4468081c8a72afd713e9783f64d49f6badfe084994da6bdec454b0289fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45d628021693add7f9d5450e563fcc4a5e6735417b872bd53c9f2533f446b7a
[INFO] running `Command { std: "docker" "start" "-a" "c45d628021693add7f9d5450e563fcc4a5e6735417b872bd53c9f2533f446b7a", kill_on_drop: false }`
[INFO] [stderr]     Checking moos v0.1.0 (/opt/rustwide/workdir/repo/moos)
[INFO] [stderr]     Checking uefi v0.1.0 (/opt/rustwide/workdir/repo/uefi)
[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] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> repo/moos/src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | / fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 49 | |     loop {
[INFO] [stdout] 50 | |         hlt();
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ad248a6e6fe48fd9.rlib
[INFO] [stdout]    = note: second definition in the local crate (`moos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `offset_of` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> repo/moos/src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(offset_of)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> repo/uefi/src/data_type/u16str.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extended_varargs_abi_support` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> repo/uefi/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extended_varargs_abi_support)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `offset_of` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> repo/uefi/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(offset_of)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extended_varargs_abi_support` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> repo/uefi/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extended_varargs_abi_support)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `offset_of` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> repo/uefi/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(offset_of)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moos` (bin "moos" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `moos` (bin "moos") due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: struct `EfiSystemTable` is never constructed
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct EfiSystemTable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID` is never used
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID: EfiGuid = EfiGuid(
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EfiGraphicsOutputProtocol` is never constructed
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct EfiGraphicsOutputProtocol<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EfiGraphicsOutputProtocolMode` is never constructed
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct EfiGraphicsOutputProtocolMode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `locate_graphics_protocol` is never used
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn locate_graphics_protocol<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `subty`, and `length` are never read
[INFO] [stdout]   --> repo/uefi/src/protocol/device_path.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct EfiDevicePathProtocol {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] 13 |     ty: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     subty: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     length: [u8; 2],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EfiSystemTable` is never constructed
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct EfiSystemTable {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID` is never used
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID: EfiGuid = EfiGuid(
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EfiGraphicsOutputProtocol` is never constructed
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct EfiGraphicsOutputProtocol<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EfiGraphicsOutputProtocolMode` is never constructed
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct EfiGraphicsOutputProtocolMode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `locate_graphics_protocol` is never used
[INFO] [stdout]   --> repo/uefi/src/protocol.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn locate_graphics_protocol<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `subty`, and `length` are never read
[INFO] [stdout]   --> repo/uefi/src/protocol/device_path.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct EfiDevicePathProtocol {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] 13 |     ty: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     subty: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     length: [u8; 2],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c45d628021693add7f9d5450e563fcc4a5e6735417b872bd53c9f2533f446b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45d628021693add7f9d5450e563fcc4a5e6735417b872bd53c9f2533f446b7a", kill_on_drop: false }`
[INFO] [stdout] c45d628021693add7f9d5450e563fcc4a5e6735417b872bd53c9f2533f446b7a