[INFO] cloning repository https://github.com/CommanderCortex/CortexARM_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CommanderCortex/CortexARM_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommanderCortex%2FCortexARM_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommanderCortex%2FCortexARM_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f756821d891833440ca83f284418a5965fa9339
[INFO] checking CommanderCortex/CortexARM_OS against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommanderCortex%2FCortexARM_OS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/CommanderCortex/CortexARM_OS
[INFO] finished tweaking git repo https://github.com/CommanderCortex/CortexARM_OS
[INFO] tweaked toml for git repo https://github.com/CommanderCortex/CortexARM_OS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CommanderCortex/CortexARM_OS on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CommanderCortex/CortexARM_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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd2b54b9d8dfa22aca68d999cfd402ca082cf19a2d14b921f41d1f6605dfbc7
[INFO] running `Command { std: "docker" "start" "-a" "1bd2b54b9d8dfa22aca68d999cfd402ca082cf19a2d14b921f41d1f6605dfbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd2b54b9d8dfa22aca68d999cfd402ca082cf19a2d14b921f41d1f6605dfbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd2b54b9d8dfa22aca68d999cfd402ca082cf19a2d14b921f41d1f6605dfbc7", kill_on_drop: false }`
[INFO] [stdout] 1bd2b54b9d8dfa22aca68d999cfd402ca082cf19a2d14b921f41d1f6605dfbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51fe06ddf124029d18594c9bccd4999c0b31b8cc1d2d95dedd08ca19914b8ab
[INFO] running `Command { std: "docker" "start" "-a" "a51fe06ddf124029d18594c9bccd4999c0b31b8cc1d2d95dedd08ca19914b8ab", kill_on_drop: false }`
[INFO] [stderr]     Checking CortexARM_OS 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:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / fn panic(_info: &PanicInfo) -> ! {    
[INFO] [stdout] 23 | |     loop{}
[INFO] [stdout] 24 | | }
[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/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5f172c9a1cad1328.rlib
[INFO] [stdout]    = note: second definition in the local crate (`CortexARM_OS`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `CortexARM_OS` (bin "CortexARM_OS" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `CortexARM_OS` (bin "CortexARM_OS") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a51fe06ddf124029d18594c9bccd4999c0b31b8cc1d2d95dedd08ca19914b8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51fe06ddf124029d18594c9bccd4999c0b31b8cc1d2d95dedd08ca19914b8ab", kill_on_drop: false }`
[INFO] [stdout] a51fe06ddf124029d18594c9bccd4999c0b31b8cc1d2d95dedd08ca19914b8ab
