[INFO] fetching crate mnemosyne 0.3.0...
[INFO] testing mnemosyne-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mnemosyne 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mnemosyne 0.3.0
[INFO] finished tweaking crates.io crate mnemosyne 0.3.0
[INFO] tweaked toml for crates.io crate mnemosyne 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mnemosyne 0.3.0 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 7 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.29.0 (available: v0.30.1)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a476d86efef8e80fc6e45ccf096d4ac20907757ca1d73f551c87d3f1aebce02b
[INFO] running `Command { std: "docker" "start" "-a" "a476d86efef8e80fc6e45ccf096d4ac20907757ca1d73f551c87d3f1aebce02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a476d86efef8e80fc6e45ccf096d4ac20907757ca1d73f551c87d3f1aebce02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a476d86efef8e80fc6e45ccf096d4ac20907757ca1d73f551c87d3f1aebce02b", kill_on_drop: false }`
[INFO] [stdout] a476d86efef8e80fc6e45ccf096d4ac20907757ca1d73f551c87d3f1aebce02b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e57b5eacffc36fd197725b112f5bf1f5068df383e83e0f46f6068755177419ea
[INFO] running `Command { std: "docker" "start" "-a" "e57b5eacffc36fd197725b112f5bf1f5068df383e83e0f46f6068755177419ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnemosyne v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "e57b5eacffc36fd197725b112f5bf1f5068df383e83e0f46f6068755177419ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57b5eacffc36fd197725b112f5bf1f5068df383e83e0f46f6068755177419ea", kill_on_drop: false }`
[INFO] [stdout] e57b5eacffc36fd197725b112f5bf1f5068df383e83e0f46f6068755177419ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5c288f0639f6c5de945e0daa6d5a5715a8026e9228dd6f1a2a3b40ea8c0ca5ea
[INFO] running `Command { std: "docker" "start" "-a" "5c288f0639f6c5de945e0daa6d5a5715a8026e9228dd6f1a2a3b40ea8c0ca5ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnemosyne v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "5c288f0639f6c5de945e0daa6d5a5715a8026e9228dd6f1a2a3b40ea8c0ca5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c288f0639f6c5de945e0daa6d5a5715a8026e9228dd6f1a2a3b40ea8c0ca5ea", kill_on_drop: false }`
[INFO] [stdout] 5c288f0639f6c5de945e0daa6d5a5715a8026e9228dd6f1a2a3b40ea8c0ca5ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6b5c85e14228a341d8e7a11ffde1b10bd93ec0075769218a3d34df0234155328
[INFO] running `Command { std: "docker" "start" "-a" "6b5c85e14228a341d8e7a11ffde1b10bd93ec0075769218a3d34df0234155328", 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/mnemosyne-ad0d15d2163ae254)
[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 mnemosyne
[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" "6b5c85e14228a341d8e7a11ffde1b10bd93ec0075769218a3d34df0234155328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5c85e14228a341d8e7a11ffde1b10bd93ec0075769218a3d34df0234155328", kill_on_drop: false }`
[INFO] [stdout] 6b5c85e14228a341d8e7a11ffde1b10bd93ec0075769218a3d34df0234155328