[INFO] cloning repository https://github.com/mcfallcl/RustyOs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcfallcl/RustyOs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcfallcl%2FRustyOs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcfallcl%2FRustyOs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9f53c3f77e9cbd84b1854bc7484fb4cdfb9af293 [INFO] testing mcfallcl/RustyOs against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcfallcl%2FRustyOs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mcfallcl/RustyOs on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mcfallcl/RustyOs [INFO] finished tweaking git repo https://github.com/mcfallcl/RustyOs [INFO] tweaked toml for git repo https://github.com/mcfallcl/RustyOs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mcfallcl/RustyOs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd4572dd28e088f65bdd32dad59397ff16651838affca96b645aeed279fc5fc1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bd4572dd28e088f65bdd32dad59397ff16651838affca96b645aeed279fc5fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd4572dd28e088f65bdd32dad59397ff16651838affca96b645aeed279fc5fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd4572dd28e088f65bdd32dad59397ff16651838affca96b645aeed279fc5fc1", kill_on_drop: false }` [INFO] [stdout] bd4572dd28e088f65bdd32dad59397ff16651838affca96b645aeed279fc5fc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e602bc9945c8a960a26196cfa326feb2ecf4591e29ecbe05097b14d22065343e [INFO] running `Command { std: "docker" "start" "-a" "e602bc9945c8a960a26196cfa326feb2ecf4591e29ecbe05097b14d22065343e", kill_on_drop: false }` [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling rlibc v1.0.0 [INFO] [stderr] Compiling rusty-os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | #[lang = "panic_fmt"] extern fn panic_fmt() -> ! {loop{}} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/vga_buffer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::ptr::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/vga_buffer.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/vga_buffer.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | buffer: Unique, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals' [INFO] [stdout] --> src/vga_buffer.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/vga_buffer.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | buffer: unsafe { Unique::new(0xb8000 as *mut _) }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Unique`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Unique` [INFO] [stdout] found enum `Option>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Unique` in the current scope [INFO] [stdout] --> src/vga_buffer.rs:98:30 [INFO] [stdout] | [INFO] [stdout] 98 | unsafe { self.buffer.get_mut() } [INFO] [stdout] | ^^^^^^^ method not found in `Unique` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0522, E0599, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty-os` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e602bc9945c8a960a26196cfa326feb2ecf4591e29ecbe05097b14d22065343e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e602bc9945c8a960a26196cfa326feb2ecf4591e29ecbe05097b14d22065343e", kill_on_drop: false }` [INFO] [stdout] e602bc9945c8a960a26196cfa326feb2ecf4591e29ecbe05097b14d22065343e