[INFO] fetching crate ampere-kernel 0.1.0-rc0...
[INFO] checking ampere-kernel-0.1.0-rc0 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate ampere-kernel 0.1.0-rc0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ampere-kernel 0.1.0-rc0 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate ampere-kernel 0.1.0-rc0
[INFO] finished tweaking crates.io crate ampere-kernel 0.1.0-rc0
[INFO] tweaked toml for crates.io crate ampere-kernel 0.1.0-rc0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ampere-kernel 0.1.0-rc0 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader_api v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b068c870b651dae6d2c723fa63e750c59ee61cbfa000a716b7a9d5540dd4e145
[INFO] running `Command { std: "docker" "start" "-a" "b068c870b651dae6d2c723fa63e750c59ee61cbfa000a716b7a9d5540dd4e145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b068c870b651dae6d2c723fa63e750c59ee61cbfa000a716b7a9d5540dd4e145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b068c870b651dae6d2c723fa63e750c59ee61cbfa000a716b7a9d5540dd4e145", kill_on_drop: false }`
[INFO] [stdout] b068c870b651dae6d2c723fa63e750c59ee61cbfa000a716b7a9d5540dd4e145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53a3ec671cd6ac5377176e56459a454d79e21e671066822c0ff6cdf4082ab54d
[INFO] running `Command { std: "docker" "start" "-a" "53a3ec671cd6ac5377176e56459a454d79e21e671066822c0ff6cdf4082ab54d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader_api v0.11.3
[INFO] [stderr]     Checking ampere-kernel v0.1.0-rc0 (/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:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 12 | |     loop {}
[INFO] [stdout] 13 | | }
[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/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-fb8c387236db3c10.rlib
[INFO] [stdout]    = note: second definition in the local crate (`ampere_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 `ampere-kernel` (bin "ampere-kernel" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ampere-kernel` (bin "ampere-kernel") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "53a3ec671cd6ac5377176e56459a454d79e21e671066822c0ff6cdf4082ab54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a3ec671cd6ac5377176e56459a454d79e21e671066822c0ff6cdf4082ab54d", kill_on_drop: false }`
[INFO] [stdout] 53a3ec671cd6ac5377176e56459a454d79e21e671066822c0ff6cdf4082ab54d
