[INFO] fetching crate x86_testbench 0.1.2...
[INFO] checking x86_testbench-0.1.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate x86_testbench 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate x86_testbench 0.1.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate x86_testbench 0.1.2
[INFO] finished tweaking crates.io crate x86_testbench 0.1.2
[INFO] tweaked toml for crates.io crate x86_testbench 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bootloader v0.9.29 (latest: v0.11.7)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding uart_16550 v0.2.19 (latest: v0.3.0)
[INFO] [stderr]       Adding volatile v0.4.6 (latest: v0.5.4)
[INFO] [stderr]       Adding x86_64 v0.14.12 (latest: v0.15.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b216fcaffb00b6274326411d6a73d3b080d2e25ea9567eac91d78d9dd0a86d58
[INFO] running `Command { std: "docker" "start" "-a" "b216fcaffb00b6274326411d6a73d3b080d2e25ea9567eac91d78d9dd0a86d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b216fcaffb00b6274326411d6a73d3b080d2e25ea9567eac91d78d9dd0a86d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b216fcaffb00b6274326411d6a73d3b080d2e25ea9567eac91d78d9dd0a86d58", kill_on_drop: false }`
[INFO] [stdout] b216fcaffb00b6274326411d6a73d3b080d2e25ea9567eac91d78d9dd0a86d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af3ba724d30c972b55f880a8d9923cb2b594c2fe7bbdf86c7266003362078aef
[INFO] running `Command { std: "docker" "start" "-a" "af3ba724d30c972b55f880a8d9923cb2b594c2fe7bbdf86c7266003362078aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking x86_64 v0.14.12
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking x86_testbench v0.1.2 (/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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_testbench` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "af3ba724d30c972b55f880a8d9923cb2b594c2fe7bbdf86c7266003362078aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3ba724d30c972b55f880a8d9923cb2b594c2fe7bbdf86c7266003362078aef", kill_on_drop: false }`
[INFO] [stdout] af3ba724d30c972b55f880a8d9923cb2b594c2fe7bbdf86c7266003362078aef