[INFO] cloning repository https://github.com/4molybdenum2/mOS [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4molybdenum2/mOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2FmOS", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2FmOS'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e06e8e155887265e8fec7c0973f450aa0556f253 [INFO] checking 4molybdenum2/mOS against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2FmOS" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/4molybdenum2/mOS on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/4molybdenum2/mOS [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/4molybdenum2/mOS [INFO] tweaked toml for git repo https://github.com/4molybdenum2/mOS written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/4molybdenum2/mOS 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v2.4.2 [INFO] [stderr] Downloaded pc-keyboard v0.5.1 [INFO] [stderr] Downloaded x86_64 v0.14.12 [INFO] [stderr] Downloaded uart_16550 v0.2.19 [INFO] [stderr] Downloaded bootloader v0.9.23 [INFO] [stderr] Downloaded pic8259 v0.10.4 [INFO] [stderr] Downloaded volatile v0.2.7 [INFO] [stderr] Downloaded volatile v0.4.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1c01ebb5b213e83d9258f51dbe53f316ba28a15777a44c172ae0e26387822dd [INFO] running `Command { std: "docker" "start" "-a" "f1c01ebb5b213e83d9258f51dbe53f316ba28a15777a44c172ae0e26387822dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1c01ebb5b213e83d9258f51dbe53f316ba28a15777a44c172ae0e26387822dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1c01ebb5b213e83d9258f51dbe53f316ba28a15777a44c172ae0e26387822dd", kill_on_drop: false }` [INFO] [stdout] f1c01ebb5b213e83d9258f51dbe53f316ba28a15777a44c172ae0e26387822dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55157a6246c4a249e21bbca2407b5253885011ae61d851ecf942a284729d2394 [INFO] running `Command { std: "docker" "start" "-a" "55157a6246c4a249e21bbca2407b5253885011ae61d851ecf942a284729d2394", kill_on_drop: false }` [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking volatile v0.4.6 [INFO] [stderr] Compiling bootloader v0.9.23 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking x86_64 v0.14.12 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pic8259 v0.10.4 [INFO] [stderr] Checking uart_16550 v0.2.19 [INFO] [stderr] Checking mOS v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `spin` is imported redundantly [INFO] [stdout] --> src/interrupt.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use spin; [INFO] [stdout] | ^^^^ the item `spin` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `spin` is imported redundantly [INFO] [stdout] --> src/interrupt.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use spin; [INFO] [stdout] | ^^^^ the item `spin` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:23:58 [INFO] [stdout] | [INFO] [stdout] 23 | 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] 23 | let stack_start = VirtAddr::from_ptr(unsafe {addr_of!(STACK)}); [INFO] [stdout] | ~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupt.rs:54:51 [INFO] [stdout] | [INFO] [stdout] 54 | extern "x86-interrupt" fn timer_interrupt_handler(stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:23:58 [INFO] [stdout] | [INFO] [stdout] 23 | 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] 23 | let stack_start = VirtAddr::from_ptr(unsafe {addr_of!(STACK)}); [INFO] [stdout] | ~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupt.rs:62:54 [INFO] [stdout] | [INFO] [stdout] 62 | extern "x86-interrupt" fn keyboard_interrupt_handler(stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `mOS` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `m_os` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupt.rs:54:51 [INFO] [stdout] | [INFO] [stdout] 54 | extern "x86-interrupt" fn timer_interrupt_handler(stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_frame` [INFO] [stdout] --> src/interrupt.rs:62:54 [INFO] [stdout] | [INFO] [stdout] 62 | extern "x86-interrupt" fn keyboard_interrupt_handler(stack_frame: InterruptStackFrame) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mOS` (lib test) due to 2 previous errors; 4 warnings 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: 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] warning: unused variable: `tests` [INFO] [stdout] --> tests/basic_boot.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | fn test_runner(tests: &[&dyn Fn()]) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tests` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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] [stdout] error: aborting due to 1 previous error; 1 warning emitted [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mOS` (test "basic_boot") due to 2 previous errors; 1 warning emitted [INFO] [stderr] error: could not compile `mOS` (bin "mOS") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mOS` (test "should_panic") due to 2 previous errors [INFO] [stderr] error: could not compile `mOS` (test "stack_overflow") due to 2 previous errors [INFO] [stderr] error: could not compile `mOS` (bin "mOS" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "55157a6246c4a249e21bbca2407b5253885011ae61d851ecf942a284729d2394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55157a6246c4a249e21bbca2407b5253885011ae61d851ecf942a284729d2394", kill_on_drop: false }` [INFO] [stdout] 55157a6246c4a249e21bbca2407b5253885011ae61d851ecf942a284729d2394 [INFO] checking 4molybdenum2/mOS against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2FmOS" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/4molybdenum2/mOS on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/4molybdenum2/mOS [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/4molybdenum2/mOS [INFO] tweaked toml for git repo https://github.com/4molybdenum2/mOS written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/4molybdenum2/mOS 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c90dd24f66dd28cd0081b51585e1539d37dd90f87a54507b90979dec4671725d [INFO] running `Command { std: "docker" "start" "-a" "c90dd24f66dd28cd0081b51585e1539d37dd90f87a54507b90979dec4671725d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c90dd24f66dd28cd0081b51585e1539d37dd90f87a54507b90979dec4671725d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c90dd24f66dd28cd0081b51585e1539d37dd90f87a54507b90979dec4671725d", kill_on_drop: false }` [INFO] [stdout] c90dd24f66dd28cd0081b51585e1539d37dd90f87a54507b90979dec4671725d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a73b5746ed8f81d2c1a5fe95a41aa76055b964b14eb1e7cdcd0abdb93e930bd8 [INFO] running `Command { std: "docker" "start" "-a" "a73b5746ed8f81d2c1a5fe95a41aa76055b964b14eb1e7cdcd0abdb93e930bd8", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "a73b5746ed8f81d2c1a5fe95a41aa76055b964b14eb1e7cdcd0abdb93e930bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a73b5746ed8f81d2c1a5fe95a41aa76055b964b14eb1e7cdcd0abdb93e930bd8", kill_on_drop: false }` [INFO] [stdout] a73b5746ed8f81d2c1a5fe95a41aa76055b964b14eb1e7cdcd0abdb93e930bd8