[INFO] fetching crate sponge-preview 0.2.0...
[INFO] testing sponge-preview-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sponge-preview 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sponge-preview 0.2.0
[INFO] finished tweaking crates.io crate sponge-preview 0.2.0
[INFO] tweaked toml for crates.io crate sponge-preview 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sponge-preview 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c8b5cfeabcd61fab9f12115f82603ed8fdc7656826e9ab4af6ba80a7505d9293
[INFO] running `Command { std: "docker" "start" "-a" "c8b5cfeabcd61fab9f12115f82603ed8fdc7656826e9ab4af6ba80a7505d9293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b5cfeabcd61fab9f12115f82603ed8fdc7656826e9ab4af6ba80a7505d9293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b5cfeabcd61fab9f12115f82603ed8fdc7656826e9ab4af6ba80a7505d9293", kill_on_drop: false }`
[INFO] [stdout] c8b5cfeabcd61fab9f12115f82603ed8fdc7656826e9ab4af6ba80a7505d9293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9fa405de745bbd01d3f583f83b971f02f0bd061b2bf321f98033465e04085943
[INFO] running `Command { std: "docker" "start" "-a" "9fa405de745bbd01d3f583f83b971f02f0bd061b2bf321f98033465e04085943", kill_on_drop: false }`
[INFO] [stderr]    Compiling sponge-preview v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "9fa405de745bbd01d3f583f83b971f02f0bd061b2bf321f98033465e04085943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa405de745bbd01d3f583f83b971f02f0bd061b2bf321f98033465e04085943", kill_on_drop: false }`
[INFO] [stdout] 9fa405de745bbd01d3f583f83b971f02f0bd061b2bf321f98033465e04085943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 77f68afa503fa0be6d65ecf65f97ca0df702961043c829f67ef37ba4639d7bca
[INFO] running `Command { std: "docker" "start" "-a" "77f68afa503fa0be6d65ecf65f97ca0df702961043c829f67ef37ba4639d7bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling sponge-preview v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "77f68afa503fa0be6d65ecf65f97ca0df702961043c829f67ef37ba4639d7bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f68afa503fa0be6d65ecf65f97ca0df702961043c829f67ef37ba4639d7bca", kill_on_drop: false }`
[INFO] [stdout] 77f68afa503fa0be6d65ecf65f97ca0df702961043c829f67ef37ba4639d7bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 380286a3c3c5538cdfe19cab4573041f3042b41f3e18602d4b08571bd9d1d7e4
[INFO] running `Command { std: "docker" "start" "-a" "380286a3c3c5538cdfe19cab4573041f3042b41f3e18602d4b08571bd9d1d7e4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sponge_preview-05b699ab0e5fe78c)
[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 sponge_preview
[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" "380286a3c3c5538cdfe19cab4573041f3042b41f3e18602d4b08571bd9d1d7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380286a3c3c5538cdfe19cab4573041f3042b41f3e18602d4b08571bd9d1d7e4", kill_on_drop: false }`
[INFO] [stdout] 380286a3c3c5538cdfe19cab4573041f3042b41f3e18602d4b08571bd9d1d7e4
