[INFO] cloning repository https://github.com/rdvdev2/rust-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rdvdev2/rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdvdev2%2Frust-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdvdev2%2Frust-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61d83bf32888cf5688c39b27b879a8fa9a2c6699
[INFO] checking rdvdev2/rust-kernel against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdvdev2%2Frust-kernel" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rdvdev2/rust-kernel
[INFO] finished tweaking git repo https://github.com/rdvdev2/rust-kernel
[INFO] tweaked toml for git repo https://github.com/rdvdev2/rust-kernel written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rdvdev2/rust-kernel on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rdvdev2/rust-kernel 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" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ad020e744a12745b5fe4210d940a71c1920d2ec37da84aaf914d328fc4ee8b6
[INFO] running `Command { std: "docker" "start" "-a" "5ad020e744a12745b5fe4210d940a71c1920d2ec37da84aaf914d328fc4ee8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad020e744a12745b5fe4210d940a71c1920d2ec37da84aaf914d328fc4ee8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad020e744a12745b5fe4210d940a71c1920d2ec37da84aaf914d328fc4ee8b6", kill_on_drop: false }`
[INFO] [stdout] 5ad020e744a12745b5fe4210d940a71c1920d2ec37da84aaf914d328fc4ee8b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3b120268618640bc1d193bd0a6bcba7ef0193fe166d03ef597a90a255be5dc2
[INFO] running `Command { std: "docker" "start" "-a" "b3b120268618640bc1d193bd0a6bcba7ef0193fe166d03ef597a90a255be5dc2", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-kernel 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] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / fn panic_handler(pi: &PanicInfo) -> ! {
[INFO] [stdout] 16 | |     let mut screen = ScreenController::new(
[INFO] [stdout] 17 | |         Screen::get(),
[INFO] [stdout] 18 | |         ColorPalette::new(vga::Color::White, vga::Color::Red),
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     loop {}
[INFO] [stdout] 33 | | }
[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/e622d8d7bed4f2668d446e06c6c1436ecae15796/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1ee7395f7ada8841.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`rust_kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-kernel` (bin "rust-kernel" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-kernel` (bin "rust-kernel") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b3b120268618640bc1d193bd0a6bcba7ef0193fe166d03ef597a90a255be5dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b120268618640bc1d193bd0a6bcba7ef0193fe166d03ef597a90a255be5dc2", kill_on_drop: false }`
[INFO] [stdout] b3b120268618640bc1d193bd0a6bcba7ef0193fe166d03ef597a90a255be5dc2
