[INFO] cloning repository https://github.com/KimWang906/OS_Learning_with_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KimWang906/OS_Learning_with_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimWang906%2FOS_Learning_with_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimWang906%2FOS_Learning_with_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3fee9cc36e0a04de1b03c36a16b0315e86a476b3 [INFO] checking KimWang906/OS_Learning_with_Rust against master#0f442e265c165c0a78633bef98de18517815150c for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimWang906%2FOS_Learning_with_Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KimWang906/OS_Learning_with_Rust on toolchain 0f442e265c165c0a78633bef98de18517815150c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/KimWang906/OS_Learning_with_Rust [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/KimWang906/OS_Learning_with_Rust [INFO] tweaked toml for git repo https://github.com/KimWang906/OS_Learning_with_Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KimWang906/OS_Learning_with_Rust 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" "+0f442e265c165c0a78633bef98de18517815150c" "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 [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking KimWang906/OS_Learning_with_Rust against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimWang906%2FOS_Learning_with_Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KimWang906/OS_Learning_with_Rust on toolchain 774bd5ba31b89dab12d58c29690ad9f7e5c9f063 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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/KimWang906/OS_Learning_with_Rust [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/KimWang906/OS_Learning_with_Rust [INFO] tweaked toml for git repo https://github.com/KimWang906/OS_Learning_with_Rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KimWang906/OS_Learning_with_Rust 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" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded volatile v0.4.5 [INFO] [stderr] Downloaded uart_16550 v0.2.18 [INFO] [stderr] Downloaded pic8259 v0.10.2 [INFO] [stderr] Downloaded x86_64 v0.14.10 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23a5982015237abe81574fe625563761002fe010682884d317fd14328ed97a4e [INFO] running `Command { std: "docker" "start" "-a" "23a5982015237abe81574fe625563761002fe010682884d317fd14328ed97a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23a5982015237abe81574fe625563761002fe010682884d317fd14328ed97a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23a5982015237abe81574fe625563761002fe010682884d317fd14328ed97a4e", kill_on_drop: false }` [INFO] [stdout] 23a5982015237abe81574fe625563761002fe010682884d317fd14328ed97a4e [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+774bd5ba31b89dab12d58c29690ad9f7e5c9f063" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 931ef28f045ceca1d2584cdbd0e35b7ab46d98c8f6b1f779892ca28b97ad450b [INFO] running `Command { std: "docker" "start" "-a" "931ef28f045ceca1d2584cdbd0e35b7ab46d98c8f6b1f779892ca28b97ad450b", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.8 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking volatile v0.4.5 [INFO] [stderr] Compiling bootloader v0.9.22 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking x86_64 v0.14.10 [INFO] [stderr] Checking uart_16550 v0.2.18 [INFO] [stderr] Checking pic8259 v0.10.2 [INFO] [stderr] Checking blog_os v0.1.0 (/opt/rustwide/workdir) [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] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:14:59 [INFO] [stdout] | [INFO] [stdout] 14 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 14 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:14:59 [INFO] [stdout] | [INFO] [stdout] 14 | let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 14 | let stack_start = VirtAddr::from_ptr(unsafe { addr_of!(STACK) }); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: aborting due to 1 previous error [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 `blog_os` (bin "blog_os") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (bin "blog_os" test) due to 2 previous errors [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (test "basic_boot") due to 2 previous errors [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: 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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (test "should_panic") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (test "stack_overflow") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "931ef28f045ceca1d2584cdbd0e35b7ab46d98c8f6b1f779892ca28b97ad450b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "931ef28f045ceca1d2584cdbd0e35b7ab46d98c8f6b1f779892ca28b97ad450b", kill_on_drop: false }` [INFO] [stdout] 931ef28f045ceca1d2584cdbd0e35b7ab46d98c8f6b1f779892ca28b97ad450b