[INFO] cloning repository https://github.com/billionairiam/rust-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/billionairiam/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillionairiam%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillionairiam%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c9dcd50b567f12b43c2e92472cd970de1703a40
[INFO] checking billionairiam/rust-os/6c9dcd50b567f12b43c2e92472cd970de1703a40 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillionairiam%2Frust-os" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/billionairiam/rust-os on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/billionairiam/rust-os
[INFO] finished tweaking git repo https://github.com/billionairiam/rust-os
[INFO] tweaked toml for git repo https://github.com/billionairiam/rust-os written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/billionairiam/rust-os 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6219eec94324ec7fad631c3f07207adbe9a8dc03e7609d0c93f41cedbbbb3f6d
[INFO] running `Command { std: "docker" "start" "-a" "6219eec94324ec7fad631c3f07207adbe9a8dc03e7609d0c93f41cedbbbb3f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6219eec94324ec7fad631c3f07207adbe9a8dc03e7609d0c93f41cedbbbb3f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6219eec94324ec7fad631c3f07207adbe9a8dc03e7609d0c93f41cedbbbb3f6d", kill_on_drop: false }`
[INFO] [stdout] 6219eec94324ec7fad631c3f07207adbe9a8dc03e7609d0c93f41cedbbbb3f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a886b59afb1eb53f9dbd7c8c890466c32217cdcf07208d872c680279434052bc
[INFO] running `Command { std: "docker" "start" "-a" "a886b59afb1eb53f9dbd7c8c890466c32217cdcf07208d872c680279434052bc", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-riscv64-qemu-starter 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 `panic_info_message` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(panic_info_message)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 29 | |     print!("Aborting: ");
[INFO] [stdout] 30 | |     if let Some(p) = info.location() {
[INFO] [stdout] 31 | |         println!(
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     abort();
[INFO] [stdout] 41 | | }
[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/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_riscv64_qemu_starter`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/lib.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     if let Some(p) = info.location() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-riscv64-qemu-starter` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-riscv64-qemu-starter` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a886b59afb1eb53f9dbd7c8c890466c32217cdcf07208d872c680279434052bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a886b59afb1eb53f9dbd7c8c890466c32217cdcf07208d872c680279434052bc", kill_on_drop: false }`
[INFO] [stdout] a886b59afb1eb53f9dbd7c8c890466c32217cdcf07208d872c680279434052bc