[INFO] fetching crate prudent 0.0.2-alpha...
[INFO] testing prudent-0.0.2-alpha against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prudent 0.0.2-alpha into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate prudent 0.0.2-alpha
[INFO] finished tweaking crates.io crate prudent 0.0.2-alpha
[INFO] tweaked toml for crates.io crate prudent 0.0.2-alpha written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prudent 0.0.2-alpha 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] crate crates.io crate prudent 0.0.2-alpha 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-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 197377306a996aa40f6604828a941a2376868c1bbbfcec7df0917bab4597e50b
[INFO] running `Command { std: "docker" "start" "-a" "197377306a996aa40f6604828a941a2376868c1bbbfcec7df0917bab4597e50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197377306a996aa40f6604828a941a2376868c1bbbfcec7df0917bab4597e50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197377306a996aa40f6604828a941a2376868c1bbbfcec7df0917bab4597e50b", kill_on_drop: false }`
[INFO] [stdout] 197377306a996aa40f6604828a941a2376868c1bbbfcec7df0917bab4597e50b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6f964f1ef0027909214d13502d6bcb558b45864169ff616a096ed31c358c56ed
[INFO] running `Command { std: "docker" "start" "-a" "6f964f1ef0027909214d13502d6bcb558b45864169ff616a096ed31c358c56ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling prudent v0.0.2-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "6f964f1ef0027909214d13502d6bcb558b45864169ff616a096ed31c358c56ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f964f1ef0027909214d13502d6bcb558b45864169ff616a096ed31c358c56ed", kill_on_drop: false }`
[INFO] [stdout] 6f964f1ef0027909214d13502d6bcb558b45864169ff616a096ed31c358c56ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b283b4c9d6c8aaf5630568462a34576de4de3be453ef46a75333dfa9137e803c
[INFO] running `Command { std: "docker" "start" "-a" "b283b4c9d6c8aaf5630568462a34576de4de3be453ef46a75333dfa9137e803c", kill_on_drop: false }`
[INFO] [stderr]    Compiling prudent v0.0.2-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "b283b4c9d6c8aaf5630568462a34576de4de3be453ef46a75333dfa9137e803c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b283b4c9d6c8aaf5630568462a34576de4de3be453ef46a75333dfa9137e803c", kill_on_drop: false }`
[INFO] [stdout] b283b4c9d6c8aaf5630568462a34576de4de3be453ef46a75333dfa9137e803c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] af0efecf76917b0f6e635d8ff41c4d53bfaee350e63deb8fd89ea5d2b96f4be0
[INFO] running `Command { std: "docker" "start" "-a" "af0efecf76917b0f6e635d8ff41c4d53bfaee350e63deb8fd89ea5d2b96f4be0", 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/prudent-73642b75ca11c1f8)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test casting_tests::mut_dyn_trait ... ok
[INFO] [stdout] test casting_tests::mut_to_mut ... ok
[INFO] [stdout] test casting_tests::read_only ... ok
[INFO] [stdout] test casting_tests::read_only_dyn_trait ... ok
[INFO] [stdout] test casting_tests::todo ... ok
[INFO] [stdout] test fn_method_tests::it_works ... ok
[INFO] [stderr]    Doc-tests prudent
[INFO] [stdout] test casting_tests::mut_to_read_only ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 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" "af0efecf76917b0f6e635d8ff41c4d53bfaee350e63deb8fd89ea5d2b96f4be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0efecf76917b0f6e635d8ff41c4d53bfaee350e63deb8fd89ea5d2b96f4be0", kill_on_drop: false }`
[INFO] [stdout] af0efecf76917b0f6e635d8ff41c4d53bfaee350e63deb8fd89ea5d2b96f4be0