[INFO] cloning repository https://github.com/ruhuang2001/os_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruhuang2001/os_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruhuang2001%2Fos_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruhuang2001%2Fos_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 423be09a7cb7727af25b58f06b646c06ad47ff8d [INFO] checking ruhuang2001/os_rust against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruhuang2001%2Fos_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruhuang2001/os_rust on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/ruhuang2001/os_rust [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/ruhuang2001/os_rust [INFO] tweaked toml for git repo https://github.com/ruhuang2001/os_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ruhuang2001/os_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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: unstable [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 [INFO] checking ruhuang2001/os_rust against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruhuang2001%2Fos_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruhuang2001/os_rust on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/ruhuang2001/os_rust [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/ruhuang2001/os_rust [INFO] tweaked toml for git repo https://github.com/ruhuang2001/os_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ruhuang2001/os_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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: unstable [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded volatile v0.4.4 [INFO] [stderr] Downloaded uart_16550 v0.2.16 [INFO] [stderr] Downloaded pic8259 v0.10.2 [INFO] [stderr] Downloaded x86_64 v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 870a9f60d4f2fb20f94738dd274a67da417b9a27f516a276a237ce7d13a6279f [INFO] running `Command { std: "docker" "start" "-a" "870a9f60d4f2fb20f94738dd274a67da417b9a27f516a276a237ce7d13a6279f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "870a9f60d4f2fb20f94738dd274a67da417b9a27f516a276a237ce7d13a6279f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "870a9f60d4f2fb20f94738dd274a67da417b9a27f516a276a237ce7d13a6279f", kill_on_drop: false }` [INFO] [stdout] 870a9f60d4f2fb20f94738dd274a67da417b9a27f516a276a237ce7d13a6279f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3fc33b07b0065c039242c46016c50007243efb36556ebd054862885f62a78c0 [INFO] running `Command { std: "docker" "start" "-a" "d3fc33b07b0065c039242c46016c50007243efb36556ebd054862885f62a78c0", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: unstable [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling x86_64 v0.14.8 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Compiling bootloader v0.9.22 [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 lazy_static v1.4.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking linked_list_allocator v0.9.1 [INFO] [stderr] Checking pic8259 v0.10.2 [INFO] [stderr] Checking uart_16550 v0.2.16 [INFO] [stderr] Checking os_rust 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: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `os_rust` (lib test) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:15:58 [INFO] [stdout] | [INFO] [stdout] 15 | let stack_start = VirtAddr::from_ptr(unsafe {&STACK }); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 15 | let stack_start = VirtAddr::from_ptr(unsafe {&raw const STACK }); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d3fc33b07b0065c039242c46016c50007243efb36556ebd054862885f62a78c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3fc33b07b0065c039242c46016c50007243efb36556ebd054862885f62a78c0", kill_on_drop: false }` [INFO] [stdout] d3fc33b07b0065c039242c46016c50007243efb36556ebd054862885f62a78c0