[INFO] fetching crate syncytium 0.1.0...
[INFO] testing syncytium-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate syncytium 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate syncytium 0.1.0
[INFO] finished tweaking crates.io crate syncytium 0.1.0
[INFO] tweaked toml for crates.io crate syncytium 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncytium 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syncytium 0.1.0 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c291a9e8f0d3a8bdda5eccbc8d0b5796a15b4d6e6e58e4fc0a20d4b0748c155
[INFO] running `Command { std: "docker" "start" "-a" "8c291a9e8f0d3a8bdda5eccbc8d0b5796a15b4d6e6e58e4fc0a20d4b0748c155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c291a9e8f0d3a8bdda5eccbc8d0b5796a15b4d6e6e58e4fc0a20d4b0748c155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c291a9e8f0d3a8bdda5eccbc8d0b5796a15b4d6e6e58e4fc0a20d4b0748c155", kill_on_drop: false }`
[INFO] [stdout] 8c291a9e8f0d3a8bdda5eccbc8d0b5796a15b4d6e6e58e4fc0a20d4b0748c155
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39e4354bdfc7120363df47deac2cf554e57787fd68a3ed8cda86bbb5ef0daf9
[INFO] running `Command { std: "docker" "start" "-a" "d39e4354bdfc7120363df47deac2cf554e57787fd68a3ed8cda86bbb5ef0daf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncytium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "d39e4354bdfc7120363df47deac2cf554e57787fd68a3ed8cda86bbb5ef0daf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39e4354bdfc7120363df47deac2cf554e57787fd68a3ed8cda86bbb5ef0daf9", kill_on_drop: false }`
[INFO] [stdout] d39e4354bdfc7120363df47deac2cf554e57787fd68a3ed8cda86bbb5ef0daf9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab23c4ffabab1f4c0cc62538a656202ccdabec82c4649bf2c9e471c2d75cbb6
[INFO] running `Command { std: "docker" "start" "-a" "2ab23c4ffabab1f4c0cc62538a656202ccdabec82c4649bf2c9e471c2d75cbb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncytium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2ab23c4ffabab1f4c0cc62538a656202ccdabec82c4649bf2c9e471c2d75cbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab23c4ffabab1f4c0cc62538a656202ccdabec82c4649bf2c9e471c2d75cbb6", kill_on_drop: false }`
[INFO] [stdout] 2ab23c4ffabab1f4c0cc62538a656202ccdabec82c4649bf2c9e471c2d75cbb6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6834dc759cd289fa24d1ba1ef73b769f0bc023ed094eea977708b8a991c3342
[INFO] running `Command { std: "docker" "start" "-a" "d6834dc759cd289fa24d1ba1ef73b769f0bc023ed094eea977708b8a991c3342", 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/syncytium-6b0442ff695137e1)
[INFO] [stderr]    Doc-tests syncytium
[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] [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" "d6834dc759cd289fa24d1ba1ef73b769f0bc023ed094eea977708b8a991c3342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6834dc759cd289fa24d1ba1ef73b769f0bc023ed094eea977708b8a991c3342", kill_on_drop: false }`
[INFO] [stdout] d6834dc759cd289fa24d1ba1ef73b769f0bc023ed094eea977708b8a991c3342
