[INFO] cloning repository https://github.com/neri/riscv-vga-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neri/riscv-vga-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneri%2Friscv-vga-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneri%2Friscv-vga-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e27dc4f02497adc204f4855a50a4260b95b08ebc
[INFO] checking neri/riscv-vga-sample against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneri%2Friscv-vga-sample" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/neri/riscv-vga-sample
[INFO] finished tweaking git repo https://github.com/neri/riscv-vga-sample
[INFO] tweaked toml for git repo https://github.com/neri/riscv-vga-sample written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neri/riscv-vga-sample on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neri/riscv-vga-sample 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 neri/riscv-vga-sample against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneri%2Friscv-vga-sample" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/neri/riscv-vga-sample
[INFO] finished tweaking git repo https://github.com/neri/riscv-vga-sample
[INFO] tweaked toml for git repo https://github.com/neri/riscv-vga-sample written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neri/riscv-vga-sample on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neri/riscv-vga-sample 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbc1ab7902e0463f7f380a40281d27f657ed2bb1ff5843e709f8081afcc881c4
[INFO] running `Command { std: "docker" "start" "-a" "dbc1ab7902e0463f7f380a40281d27f657ed2bb1ff5843e709f8081afcc881c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc1ab7902e0463f7f380a40281d27f657ed2bb1ff5843e709f8081afcc881c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc1ab7902e0463f7f380a40281d27f657ed2bb1ff5843e709f8081afcc881c4", kill_on_drop: false }`
[INFO] [stdout] dbc1ab7902e0463f7f380a40281d27f657ed2bb1ff5843e709f8081afcc881c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8be9389f47cdf1b70df2f0de1c93ed7f24436376460986e6c5a78a36fe1bf8b9
[INFO] running `Command { std: "docker" "start" "-a" "8be9389f47cdf1b70df2f0de1c93ed7f24436376460986e6c5a78a36fe1bf8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]     Checking kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 24 | |     println!("\n\x1b[m#### KERNEL PANIC ####\n{}", _info);
[INFO] [stdout] 25 | |     loop {
[INFO] [stdout] 26 | |         unsafe {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/7df376b035b3d12ff0386ad8b45b76dbe020257b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-cd49941e27532977.rlib
[INFO] [stdout]    = note: second definition in the local crate (`kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> src/sbi.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         asm!("ecall", in("a7") Eid::CONSOLE_PUTCHAR.0, in("a0") ch as usize);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> src/sbi.rs:18:56
[INFO] [stdout]    |
[INFO] [stdout] 18 |         asm!("ecall", in("a7") Eid::CONSOLE_PUTCHAR.0, in("a0") ch as usize);
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> src/sbi.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         asm!("ecall", in("a7") Eid::CONSOLE_GETCHAR.0, lateout("a0") c);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> src/sbi.rs:37:56
[INFO] [stdout]    |
[INFO] [stdout] 37 |         asm!("ecall", in("a7") Eid::CONSOLE_GETCHAR.0, lateout("a0") c);
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> src/sbi.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |         asm!("ecall", in("a7") Eid::SHUTDOWN.0, options(noreturn));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kernel` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8be9389f47cdf1b70df2f0de1c93ed7f24436376460986e6c5a78a36fe1bf8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be9389f47cdf1b70df2f0de1c93ed7f24436376460986e6c5a78a36fe1bf8b9", kill_on_drop: false }`
[INFO] [stdout] 8be9389f47cdf1b70df2f0de1c93ed7f24436376460986e6c5a78a36fe1bf8b9