[INFO] fetching crate meringue 0.0.0...
[INFO] testing meringue-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate meringue 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate meringue 0.0.0
[INFO] finished tweaking crates.io crate meringue 0.0.0
[INFO] tweaked toml for crates.io crate meringue 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate meringue 0.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10928e35555e7a431d6f8df64eb5d268a2f9258adc5dc5256e8dccdf547f0e6
[INFO] running `Command { std: "docker" "start" "-a" "c10928e35555e7a431d6f8df64eb5d268a2f9258adc5dc5256e8dccdf547f0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10928e35555e7a431d6f8df64eb5d268a2f9258adc5dc5256e8dccdf547f0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10928e35555e7a431d6f8df64eb5d268a2f9258adc5dc5256e8dccdf547f0e6", kill_on_drop: false }`
[INFO] [stdout] c10928e35555e7a431d6f8df64eb5d268a2f9258adc5dc5256e8dccdf547f0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d31b6d05e7311509b279cfae33e837fd07b47624aad87ed1ae27cf1f2df6153
[INFO] running `Command { std: "docker" "start" "-a" "5d31b6d05e7311509b279cfae33e837fd07b47624aad87ed1ae27cf1f2df6153", kill_on_drop: false }`
[INFO] [stderr]    Compiling meringue v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "5d31b6d05e7311509b279cfae33e837fd07b47624aad87ed1ae27cf1f2df6153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d31b6d05e7311509b279cfae33e837fd07b47624aad87ed1ae27cf1f2df6153", kill_on_drop: false }`
[INFO] [stdout] 5d31b6d05e7311509b279cfae33e837fd07b47624aad87ed1ae27cf1f2df6153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf20e72f231ef0310a02fd96fdb34cad4a6604751bba42c34d3b8e296482f3c4
[INFO] running `Command { std: "docker" "start" "-a" "bf20e72f231ef0310a02fd96fdb34cad4a6604751bba42c34d3b8e296482f3c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling meringue v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "bf20e72f231ef0310a02fd96fdb34cad4a6604751bba42c34d3b8e296482f3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf20e72f231ef0310a02fd96fdb34cad4a6604751bba42c34d3b8e296482f3c4", kill_on_drop: false }`
[INFO] [stdout] bf20e72f231ef0310a02fd96fdb34cad4a6604751bba42c34d3b8e296482f3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d68d196a29f9ca0ed5b477cb7eb9551fede6ad13de15df67f91caa1cf3836c9
[INFO] running `Command { std: "docker" "start" "-a" "4d68d196a29f9ca0ed5b477cb7eb9551fede6ad13de15df67f91caa1cf3836c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/meringue-6f70cf3219c6f2f1)
[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 meringue
[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" "4d68d196a29f9ca0ed5b477cb7eb9551fede6ad13de15df67f91caa1cf3836c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d68d196a29f9ca0ed5b477cb7eb9551fede6ad13de15df67f91caa1cf3836c9", kill_on_drop: false }`
[INFO] [stdout] 4d68d196a29f9ca0ed5b477cb7eb9551fede6ad13de15df67f91caa1cf3836c9