[INFO] fetching crate panic-dcc 0.1.1...
[INFO] testing panic-dcc-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate panic-dcc 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate panic-dcc 0.1.1
[INFO] finished tweaking crates.io crate panic-dcc 0.1.1
[INFO] tweaked toml for crates.io crate panic-dcc 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate panic-dcc 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate panic-dcc 0.1.1 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b54170209fbd1d807b410c9b68acaa9b9cc2324ebd815ac16875a5f56b17a9e
[INFO] running `Command { std: "docker" "start" "-a" "6b54170209fbd1d807b410c9b68acaa9b9cc2324ebd815ac16875a5f56b17a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b54170209fbd1d807b410c9b68acaa9b9cc2324ebd815ac16875a5f56b17a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b54170209fbd1d807b410c9b68acaa9b9cc2324ebd815ac16875a5f56b17a9e", kill_on_drop: false }`
[INFO] [stdout] 6b54170209fbd1d807b410c9b68acaa9b9cc2324ebd815ac16875a5f56b17a9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5546aa5078b2990881446ec99e4ecc435ae9cba45f4d425f236702ff96d97b
[INFO] running `Command { std: "docker" "start" "-a" "1d5546aa5078b2990881446ec99e4ecc435ae9cba45f4d425f236702ff96d97b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arm-dcc v0.1.1
[INFO] [stderr]    Compiling panic-dcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "1d5546aa5078b2990881446ec99e4ecc435ae9cba45f4d425f236702ff96d97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5546aa5078b2990881446ec99e4ecc435ae9cba45f4d425f236702ff96d97b", kill_on_drop: false }`
[INFO] [stdout] 1d5546aa5078b2990881446ec99e4ecc435ae9cba45f4d425f236702ff96d97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d11190760c5b5eb59e05501395b2fb75bab1e8e36630a8e5bebc04338b3c316
[INFO] running `Command { std: "docker" "start" "-a" "4d11190760c5b5eb59e05501395b2fb75bab1e8e36630a8e5bebc04338b3c316", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-dcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | | }
[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-2025-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d959d58f670e0224.so, /opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d959d58f670e0224.rlib
[INFO] [stdout]    = note: second definition in the local crate (`panic_dcc`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-dcc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4d11190760c5b5eb59e05501395b2fb75bab1e8e36630a8e5bebc04338b3c316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d11190760c5b5eb59e05501395b2fb75bab1e8e36630a8e5bebc04338b3c316", kill_on_drop: false }`
[INFO] [stdout] 4d11190760c5b5eb59e05501395b2fb75bab1e8e36630a8e5bebc04338b3c316