[INFO] fetching crate prem 0.1.0...
[INFO] testing prem-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prem 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate prem 0.1.0
[INFO] finished tweaking crates.io crate prem 0.1.0
[INFO] tweaked toml for crates.io crate prem 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prem 0.1.0 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] crate crates.io crate prem 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-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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bb20a6822925476cdcb10217bfeaac0c8e27f3559921f5c6168701f5889e7e1
[INFO] running `Command { std: "docker" "start" "-a" "7bb20a6822925476cdcb10217bfeaac0c8e27f3559921f5c6168701f5889e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bb20a6822925476cdcb10217bfeaac0c8e27f3559921f5c6168701f5889e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb20a6822925476cdcb10217bfeaac0c8e27f3559921f5c6168701f5889e7e1", kill_on_drop: false }`
[INFO] [stdout] 7bb20a6822925476cdcb10217bfeaac0c8e27f3559921f5c6168701f5889e7e1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0331c5dfb0a70a4e90ef22a88675b6c1a5dcb6cfd488bae9cc03645dbb4862
[INFO] running `Command { std: "docker" "start" "-a" "1c0331c5dfb0a70a4e90ef22a88675b6c1a5dcb6cfd488bae9cc03645dbb4862", kill_on_drop: false }`
[INFO] [stderr]    Compiling prem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1c0331c5dfb0a70a4e90ef22a88675b6c1a5dcb6cfd488bae9cc03645dbb4862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0331c5dfb0a70a4e90ef22a88675b6c1a5dcb6cfd488bae9cc03645dbb4862", kill_on_drop: false }`
[INFO] [stdout] 1c0331c5dfb0a70a4e90ef22a88675b6c1a5dcb6cfd488bae9cc03645dbb4862
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0ff3ee1a22af52c2b447938df18fd5c7e8bfb75a60963cb27aef99680b30ec
[INFO] running `Command { std: "docker" "start" "-a" "6d0ff3ee1a22af52c2b447938df18fd5c7e8bfb75a60963cb27aef99680b30ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling prem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "6d0ff3ee1a22af52c2b447938df18fd5c7e8bfb75a60963cb27aef99680b30ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0ff3ee1a22af52c2b447938df18fd5c7e8bfb75a60963cb27aef99680b30ec", kill_on_drop: false }`
[INFO] [stdout] 6d0ff3ee1a22af52c2b447938df18fd5c7e8bfb75a60963cb27aef99680b30ec
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 790d7d23c94607449ce233ab7278ca4f6a32bcf931873062ee6af73cf8705d2c
[INFO] running `Command { std: "docker" "start" "-a" "790d7d23c94607449ce233ab7278ca4f6a32bcf931873062ee6af73cf8705d2c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prem-fd27085809bcd202)
[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" "790d7d23c94607449ce233ab7278ca4f6a32bcf931873062ee6af73cf8705d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790d7d23c94607449ce233ab7278ca4f6a32bcf931873062ee6af73cf8705d2c", kill_on_drop: false }`
[INFO] [stdout] 790d7d23c94607449ce233ab7278ca4f6a32bcf931873062ee6af73cf8705d2c