[INFO] cloning repository https://github.com/liamashes/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liamashes/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamashes%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamashes%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 279339dfb47458a5e7863c3d35e9dbb3b1081386
[INFO] testing liamashes/os against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamashes%2Fos" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liamashes/os on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liamashes/os
[INFO] finished tweaking git repo https://github.com/liamashes/os
[INFO] tweaked toml for git repo https://github.com/liamashes/os written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/liamashes/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11beaa87fd16ac9a6a7cf977471a023e686704fe80fb72adfc1833d5e0e57514
[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" "11beaa87fd16ac9a6a7cf977471a023e686704fe80fb72adfc1833d5e0e57514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11beaa87fd16ac9a6a7cf977471a023e686704fe80fb72adfc1833d5e0e57514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11beaa87fd16ac9a6a7cf977471a023e686704fe80fb72adfc1833d5e0e57514", kill_on_drop: false }`
[INFO] [stdout] 11beaa87fd16ac9a6a7cf977471a023e686704fe80fb72adfc1833d5e0e57514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 9b1b25bf305d48c2f9d2378cb94910ec705447247f9c1c4a0c09881ff85f25c2
[INFO] running `Command { std: "docker" "start" "-a" "9b1b25bf305d48c2f9d2378cb94910ec705447247f9c1c4a0c09881ff85f25c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `SBI_SET_TIMER`
[INFO] [stdout]   --> src/sbi.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const SBI_SET_TIMER: usize = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_CONSOLE_GETCHAR`
[INFO] [stdout]   --> src/sbi.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SBI_CONSOLE_GETCHAR: usize = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_CLEAR_IPI`
[INFO] [stdout]   --> src/sbi.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SBI_CLEAR_IPI: usize = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_SEND_IPI`
[INFO] [stdout]   --> src/sbi.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SBI_SEND_IPI: usize = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_REMOTE_FENCE_I`
[INFO] [stdout]   --> src/sbi.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | const SBI_REMOTE_FENCE_I: usize = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_REMOTE_SFENCE_VMA`
[INFO] [stdout]   --> src/sbi.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const SBI_REMOTE_SFENCE_VMA: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_REMOTE_SFENCE_VMA_ASID`
[INFO] [stdout]   --> src/sbi.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const SBI_REMOTE_SFENCE_VMA_ASID: usize = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `console_getchar`
[INFO] [stdout]   --> src/sbi.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn console_getchar() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't allocate output register for constraint '{x10}'
[INFO] [stdout]   --> src/sbi.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |         llvm_asm!("ecall"
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'la'
[INFO] [stdout]   |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]  --> <inline asm>:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     la sp, boot_stack_top
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9b1b25bf305d48c2f9d2378cb94910ec705447247f9c1c4a0c09881ff85f25c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1b25bf305d48c2f9d2378cb94910ec705447247f9c1c4a0c09881ff85f25c2", kill_on_drop: false }`
[INFO] [stdout] 9b1b25bf305d48c2f9d2378cb94910ec705447247f9c1c4a0c09881ff85f25c2