[INFO] fetching crate data_nostd 0.1.0...
[INFO] testing data_nostd-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate data_nostd 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate data_nostd 0.1.0
[INFO] finished tweaking crates.io crate data_nostd 0.1.0
[INFO] tweaked toml for crates.io crate data_nostd 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate data_nostd 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 405818dfb9e9c4eb598d1a74d0f2e58e50d154ceaab76d919801bce29c20c1fc
[INFO] running `Command { std: "docker" "start" "-a" "405818dfb9e9c4eb598d1a74d0f2e58e50d154ceaab76d919801bce29c20c1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405818dfb9e9c4eb598d1a74d0f2e58e50d154ceaab76d919801bce29c20c1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405818dfb9e9c4eb598d1a74d0f2e58e50d154ceaab76d919801bce29c20c1fc", kill_on_drop: false }`
[INFO] [stdout] 405818dfb9e9c4eb598d1a74d0f2e58e50d154ceaab76d919801bce29c20c1fc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9420fd8aa2344af5b38ceda286092d9582f480bd9ada0d850afbcf052b0abf71
[INFO] running `Command { std: "docker" "start" "-a" "9420fd8aa2344af5b38ceda286092d9582f480bd9ada0d850afbcf052b0abf71", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "9420fd8aa2344af5b38ceda286092d9582f480bd9ada0d850afbcf052b0abf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9420fd8aa2344af5b38ceda286092d9582f480bd9ada0d850afbcf052b0abf71", kill_on_drop: false }`
[INFO] [stdout] 9420fd8aa2344af5b38ceda286092d9582f480bd9ada0d850afbcf052b0abf71
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4b5015ca3f0b52887e673e6105375e44f70cb6094837f1770588ac3060eee2
[INFO] running `Command { std: "docker" "start" "-a" "ff4b5015ca3f0b52887e673e6105375e44f70cb6094837f1770588ac3060eee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 79 | |     loop {} //Something should be done with this
[INFO] [stdout] 80 | | }
[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/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2a1757997f179349.so, /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2a1757997f179349.rlib
[INFO] [stdout]    = note: second definition in the local crate (`data_nostd`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_nostd` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ff4b5015ca3f0b52887e673e6105375e44f70cb6094837f1770588ac3060eee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4b5015ca3f0b52887e673e6105375e44f70cb6094837f1770588ac3060eee2", kill_on_drop: false }`
[INFO] [stdout] ff4b5015ca3f0b52887e673e6105375e44f70cb6094837f1770588ac3060eee2