[INFO] cloning repository https://github.com/doikoko/DMA_x86_64_driver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doikoko/DMA_x86_64_driver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoikoko%2FDMA_x86_64_driver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoikoko%2FDMA_x86_64_driver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bbd2af739a2859d50fa00910c5624a1c92af6be
[INFO] checking doikoko/DMA_x86_64_driver against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoikoko%2FDMA_x86_64_driver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/doikoko/DMA_x86_64_driver
[INFO] finished tweaking git repo https://github.com/doikoko/DMA_x86_64_driver
[INFO] tweaked toml for git repo https://github.com/doikoko/DMA_x86_64_driver written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/doikoko/DMA_x86_64_driver on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/doikoko/DMA_x86_64_driver 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b01d860949a8267eef0517d7475cc17cb80a3ce661ab9c4b0690c8542cd71b
[INFO] running `Command { std: "docker" "start" "-a" "d4b01d860949a8267eef0517d7475cc17cb80a3ce661ab9c4b0690c8542cd71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b01d860949a8267eef0517d7475cc17cb80a3ce661ab9c4b0690c8542cd71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b01d860949a8267eef0517d7475cc17cb80a3ce661ab9c4b0690c8542cd71b", kill_on_drop: false }`
[INFO] [stdout] d4b01d860949a8267eef0517d7475cc17cb80a3ce661ab9c4b0690c8542cd71b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ac58815ace734ca23af02cae2f2cddb6d0a52a94790990e09db206ddabe592c
[INFO] running `Command { std: "docker" "start" "-a" "9ac58815ace734ca23af02cae2f2cddb6d0a52a94790990e09db206ddabe592c", kill_on_drop: false }`
[INFO] [stderr]     Checking dma_x86_64 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking floppy v0.1.0 (/opt/rustwide/workdir/example/floppy)
[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]   --> example/floppy/src/main.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / fn panic(_: &PanicInfo) -> !{
[INFO] [stdout] 54 | |     loop { unsafe { core::arch::asm!("hlt") } }
[INFO] [stdout] 55 | | }
[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/a611f2a14e38407ec6717a86a01424ee6fc80762/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-fa01d964e82d0da8.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`floppy`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `floppy` (bin "floppy" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `floppy` (bin "floppy") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9ac58815ace734ca23af02cae2f2cddb6d0a52a94790990e09db206ddabe592c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac58815ace734ca23af02cae2f2cddb6d0a52a94790990e09db206ddabe592c", kill_on_drop: false }`
[INFO] [stdout] 9ac58815ace734ca23af02cae2f2cddb6d0a52a94790990e09db206ddabe592c