[INFO] cloning repository https://github.com/Sc1pex/rustos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sc1pex/rustos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Frustos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Frustos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2891bb99ba812171ab152e5ae5b302721d9f8900
[INFO] testing Sc1pex/rustos against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSc1pex%2Frustos" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Sc1pex/rustos
[INFO] finished tweaking git repo https://github.com/Sc1pex/rustos
[INFO] tweaked toml for git repo https://github.com/Sc1pex/rustos written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sc1pex/rustos on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sc1pex/rustos 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aarch64-cpu v9.4.0
[INFO] [stderr]   Downloaded tock-registers v0.8.1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71855fa899d15710a3a2466ec5cadcb2c5bb854a572b69b738808c6c2861ae11
[INFO] running `Command { std: "docker" "start" "-a" "71855fa899d15710a3a2466ec5cadcb2c5bb854a572b69b738808c6c2861ae11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71855fa899d15710a3a2466ec5cadcb2c5bb854a572b69b738808c6c2861ae11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71855fa899d15710a3a2466ec5cadcb2c5bb854a572b69b738808c6c2861ae11", kill_on_drop: false }`
[INFO] [stdout] 71855fa899d15710a3a2466ec5cadcb2c5bb854a572b69b738808c6c2861ae11
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00318865910bd2e444ac8749fcae4883bcb75a5e1b31b8940a5f10de678d1ed3
[INFO] running `Command { std: "docker" "start" "-a" "00318865910bd2e444ac8749fcae4883bcb75a5e1b31b8940a5f10de678d1ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tock-registers v0.8.1
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling chainloader v0.1.0 (/opt/rustwide/workdir/chainloader)
[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] [stderr] error: could not compile `chainloader` (bin "chainloader") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "00318865910bd2e444ac8749fcae4883bcb75a5e1b31b8940a5f10de678d1ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00318865910bd2e444ac8749fcae4883bcb75a5e1b31b8940a5f10de678d1ed3", kill_on_drop: false }`
[INFO] [stdout] 00318865910bd2e444ac8749fcae4883bcb75a5e1b31b8940a5f10de678d1ed3