[INFO] fetching crate nuts-backend 0.7.9...
[INFO] testing nuts-backend-0.7.9 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nuts-backend 0.7.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate nuts-backend 0.7.9
[INFO] finished tweaking crates.io crate nuts-backend 0.7.9
[INFO] tweaked toml for crates.io crate nuts-backend 0.7.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nuts-backend 0.7.9 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] 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 220a1f5fb8c84d2298211a5da3d7612b60fb2d3e7a6c04b83eb0ea0d948619ec
[INFO] running `Command { std: "docker" "start" "-a" "220a1f5fb8c84d2298211a5da3d7612b60fb2d3e7a6c04b83eb0ea0d948619ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "220a1f5fb8c84d2298211a5da3d7612b60fb2d3e7a6c04b83eb0ea0d948619ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220a1f5fb8c84d2298211a5da3d7612b60fb2d3e7a6c04b83eb0ea0d948619ec", kill_on_drop: false }`
[INFO] [stdout] 220a1f5fb8c84d2298211a5da3d7612b60fb2d3e7a6c04b83eb0ea0d948619ec
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa1fb76e3fded83e4ac4b34e682a64d0840b4a2db62b766e1d300c3d0424bc0
[INFO] running `Command { std: "docker" "start" "-a" "5fa1fb76e3fded83e4ac4b34e682a64d0840b4a2db62b766e1d300c3d0424bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts-backend v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "5fa1fb76e3fded83e4ac4b34e682a64d0840b4a2db62b766e1d300c3d0424bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa1fb76e3fded83e4ac4b34e682a64d0840b4a2db62b766e1d300c3d0424bc0", kill_on_drop: false }`
[INFO] [stdout] 5fa1fb76e3fded83e4ac4b34e682a64d0840b4a2db62b766e1d300c3d0424bc0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 865e60b8ff9944e95f33dd277e87aaa4076fa1a4ec7cf1065649d664af3c63e2
[INFO] running `Command { std: "docker" "start" "-a" "865e60b8ff9944e95f33dd277e87aaa4076fa1a4ec7cf1065649d664af3c63e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts-backend v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "865e60b8ff9944e95f33dd277e87aaa4076fa1a4ec7cf1065649d664af3c63e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865e60b8ff9944e95f33dd277e87aaa4076fa1a4ec7cf1065649d664af3c63e2", kill_on_drop: false }`
[INFO] [stdout] 865e60b8ff9944e95f33dd277e87aaa4076fa1a4ec7cf1065649d664af3c63e2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a5fb2097cb74e4062700c501bc65c23a0f34710ccab00d1dcdfb891cb2d4fdd
[INFO] running `Command { std: "docker" "start" "-a" "1a5fb2097cb74e4062700c501bc65c23a0f34710ccab00d1dcdfb891cb2d4fdd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nuts_backend-bc9bbd5ee2ba9fcf)
[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] [stderr]    Doc-tests nuts_backend
[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" "1a5fb2097cb74e4062700c501bc65c23a0f34710ccab00d1dcdfb891cb2d4fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5fb2097cb74e4062700c501bc65c23a0f34710ccab00d1dcdfb891cb2d4fdd", kill_on_drop: false }`
[INFO] [stdout] 1a5fb2097cb74e4062700c501bc65c23a0f34710ccab00d1dcdfb891cb2d4fdd