[INFO] cloning repository https://github.com/prey169/os_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prey169/os_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprey169%2Fos_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprey169%2Fos_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 875850c98fa4892b7f9e6eb94a57925beb728a6f [INFO] testing prey169/os_demo against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprey169%2Fos_demo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/prey169/os_demo [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/prey169/os_demo [INFO] tweaked toml for git repo https://github.com/prey169/os_demo written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/prey169/os_demo on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/prey169/os_demo 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e51d0493263c3cd66d12d20b96f9e50ae48836732468b6455efd95c57f0ede5 [INFO] running `Command { std: "docker" "start" "-a" "4e51d0493263c3cd66d12d20b96f9e50ae48836732468b6455efd95c57f0ede5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e51d0493263c3cd66d12d20b96f9e50ae48836732468b6455efd95c57f0ede5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e51d0493263c3cd66d12d20b96f9e50ae48836732468b6455efd95c57f0ede5", kill_on_drop: false }` [INFO] [stdout] 4e51d0493263c3cd66d12d20b96f9e50ae48836732468b6455efd95c57f0ede5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e0308f3777995d41be34ece1e9e2c15f97126647395cee03a0f591b4232f9ff [INFO] running `Command { std: "docker" "start" "-a" "3e0308f3777995d41be34ece1e9e2c15f97126647395cee03a0f591b4232f9ff", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling rustversion v1.0.19 [INFO] [stderr] Compiling bitflags v2.8.0 [INFO] [stderr] Compiling x86 v0.52.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling raw-cpuid v10.7.0 [INFO] [stderr] Compiling volatile v0.4.6 [INFO] [stderr] Compiling bootloader v0.9.31 [INFO] [stderr] Compiling conquer-util v0.3.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling conquer-once v0.4.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling volatile v0.3.0 [INFO] [stderr] Compiling pc-keyboard v0.8.0 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling spinning_top v0.2.5 [INFO] [stderr] Compiling linked_list_allocator v0.9.1 [INFO] [stderr] Compiling x86_64 v0.15.2 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling pic8259 v0.11.0 [INFO] [stderr] Compiling uart_16550 v0.3.2 [INFO] [stderr] Compiling os_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/allocator.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn lock(&self) -> spin::MutexGuard { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 74 | pub fn lock(&self) -> spin::MutexGuard<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `simple_executor::SimpleExectutor` [INFO] [stdout] --> src/main.rs:14:42 [INFO] [stdout] | [INFO] [stdout] 14 | task::{executor::Executor, keyboard, simple_executor::SimpleExectutor, Task}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [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] [stderr] error: could not compile `os_demo` (bin "os_demo") due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "3e0308f3777995d41be34ece1e9e2c15f97126647395cee03a0f591b4232f9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e0308f3777995d41be34ece1e9e2c15f97126647395cee03a0f591b4232f9ff", kill_on_drop: false }` [INFO] [stdout] 3e0308f3777995d41be34ece1e9e2c15f97126647395cee03a0f591b4232f9ff