[INFO] fetching crate rubber_duck 0.2.2...
[INFO] testing rubber_duck-0.2.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rubber_duck 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rubber_duck 0.2.2
[INFO] finished tweaking crates.io crate rubber_duck 0.2.2
[INFO] tweaked toml for crates.io crate rubber_duck 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rubber_duck 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 40d15482018ce5290bb0b3e248e40fff05f36248b5d8411725a58d9a1a0d069f
[INFO] running `Command { std: "docker" "start" "-a" "40d15482018ce5290bb0b3e248e40fff05f36248b5d8411725a58d9a1a0d069f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40d15482018ce5290bb0b3e248e40fff05f36248b5d8411725a58d9a1a0d069f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d15482018ce5290bb0b3e248e40fff05f36248b5d8411725a58d9a1a0d069f", kill_on_drop: false }`
[INFO] [stdout] 40d15482018ce5290bb0b3e248e40fff05f36248b5d8411725a58d9a1a0d069f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 546702849e047fbca35b5a47adc2d6fcb60e92e9ff499021199b3108c9784596
[INFO] running `Command { std: "docker" "start" "-a" "546702849e047fbca35b5a47adc2d6fcb60e92e9ff499021199b3108c9784596", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rubber_duck_macro v0.2.0
[INFO] [stderr]    Compiling rubber_duck v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "546702849e047fbca35b5a47adc2d6fcb60e92e9ff499021199b3108c9784596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546702849e047fbca35b5a47adc2d6fcb60e92e9ff499021199b3108c9784596", kill_on_drop: false }`
[INFO] [stdout] 546702849e047fbca35b5a47adc2d6fcb60e92e9ff499021199b3108c9784596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 16dd586118408a075896d07e6f4b5cdb2bf3d70f5f62dee8d68746290b226697
[INFO] running `Command { std: "docker" "start" "-a" "16dd586118408a075896d07e6f4b5cdb2bf3d70f5f62dee8d68746290b226697", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubber_duck v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "16dd586118408a075896d07e6f4b5cdb2bf3d70f5f62dee8d68746290b226697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16dd586118408a075896d07e6f4b5cdb2bf3d70f5f62dee8d68746290b226697", kill_on_drop: false }`
[INFO] [stdout] 16dd586118408a075896d07e6f4b5cdb2bf3d70f5f62dee8d68746290b226697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }`
[INFO] [stdout] 79a6308432a7dcfef4e08f03a4d820939e4c8c0699e5c5af1c8b2855a07c3d31
[INFO] running `Command { std: "docker" "start" "-a" "79a6308432a7dcfef4e08f03a4d820939e4c8c0699e5c5af1c8b2855a07c3d31", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rubber_duck-35986cc49ba86493)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rubber_duck
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79a6308432a7dcfef4e08f03a4d820939e4c8c0699e5c5af1c8b2855a07c3d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a6308432a7dcfef4e08f03a4d820939e4c8c0699e5c5af1c8b2855a07c3d31", kill_on_drop: false }`
[INFO] [stdout] 79a6308432a7dcfef4e08f03a4d820939e4c8c0699e5c5af1c8b2855a07c3d31