[INFO] fetching crate qemu_print 0.1.0...
[INFO] testing qemu_print-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate qemu_print 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate qemu_print 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qemu_print 0.1.0
[INFO] finished tweaking crates.io crate qemu_print 0.1.0
[INFO] tweaked toml for crates.io crate qemu_print 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded uart_16550 v0.2.17
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded conquer-once v0.3.2
[INFO] [stderr]   Downloaded x86_64 v0.14.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] fff2b6a8a3cbd265666b28c54ec769c44f168a140067946376ec76ccf43e2f60
[INFO] running `Command { std: "docker" "start" "-a" "fff2b6a8a3cbd265666b28c54ec769c44f168a140067946376ec76ccf43e2f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff2b6a8a3cbd265666b28c54ec769c44f168a140067946376ec76ccf43e2f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff2b6a8a3cbd265666b28c54ec769c44f168a140067946376ec76ccf43e2f60", kill_on_drop: false }`
[INFO] [stdout] fff2b6a8a3cbd265666b28c54ec769c44f168a140067946376ec76ccf43e2f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] add25e0de7feaa9523fa6a6d6e1fc10efaf0a87781b5ccaf530a7327d613a2af
[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" "add25e0de7feaa9523fa6a6d6e1fc10efaf0a87781b5ccaf530a7327d613a2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling conquer-once v0.3.2
[INFO] [stderr]    Compiling x86_64 v0.14.9
[INFO] [stderr]    Compiling uart_16550 v0.2.17
[INFO] [stdout] error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |             int_en: AtomicPtr::new(base_pointer.add(1)),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |             fifo_ctrl: AtomicPtr::new(base_pointer.add(2)),
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:30:39
[INFO] [stdout]    |
[INFO] [stdout] 30 |             line_ctrl: AtomicPtr::new(base_pointer.add(3)),
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:31:40
[INFO] [stdout]    |
[INFO] [stdout] 31 |             modem_ctrl: AtomicPtr::new(base_pointer.add(4)),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `ptr::mut_ptr::<impl *mut T>::add` is not yet stable as a const fn
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uart_16550-0.2.17/src/mmio.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |             line_sts: AtomicPtr::new(base_pointer.add(5)),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uart_16550` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "add25e0de7feaa9523fa6a6d6e1fc10efaf0a87781b5ccaf530a7327d613a2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add25e0de7feaa9523fa6a6d6e1fc10efaf0a87781b5ccaf530a7327d613a2af", kill_on_drop: false }`
[INFO] [stdout] add25e0de7feaa9523fa6a6d6e1fc10efaf0a87781b5ccaf530a7327d613a2af