[INFO] fetching crate masstin 0.1.0...
[INFO] testing masstin-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate masstin 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate masstin 0.1.0
[INFO] finished tweaking crates.io crate masstin 0.1.0
[INFO] tweaked toml for crates.io crate masstin 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate masstin 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 masstin 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] [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 345dcfb05d9e1bc98cacc956afb8480e9b04fb24c8938140fd891dee49c90f30
[INFO] running `Command { std: "docker" "start" "-a" "345dcfb05d9e1bc98cacc956afb8480e9b04fb24c8938140fd891dee49c90f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "345dcfb05d9e1bc98cacc956afb8480e9b04fb24c8938140fd891dee49c90f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345dcfb05d9e1bc98cacc956afb8480e9b04fb24c8938140fd891dee49c90f30", kill_on_drop: false }`
[INFO] [stdout] 345dcfb05d9e1bc98cacc956afb8480e9b04fb24c8938140fd891dee49c90f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fcd4c66bb9769a07b041a1fbdacaf1f8839831ccbcf6bd68fac8ced973edd531
[INFO] running `Command { std: "docker" "start" "-a" "fcd4c66bb9769a07b041a1fbdacaf1f8839831ccbcf6bd68fac8ced973edd531", kill_on_drop: false }`
[INFO] [stderr]    Compiling masstin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "fcd4c66bb9769a07b041a1fbdacaf1f8839831ccbcf6bd68fac8ced973edd531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd4c66bb9769a07b041a1fbdacaf1f8839831ccbcf6bd68fac8ced973edd531", kill_on_drop: false }`
[INFO] [stdout] fcd4c66bb9769a07b041a1fbdacaf1f8839831ccbcf6bd68fac8ced973edd531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2ce429a55d415412bc768cfab5ac8287f7c59b108476889eaa806a8fd254681f
[INFO] running `Command { std: "docker" "start" "-a" "2ce429a55d415412bc768cfab5ac8287f7c59b108476889eaa806a8fd254681f", kill_on_drop: false }`
[INFO] [stderr]    Compiling masstin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2ce429a55d415412bc768cfab5ac8287f7c59b108476889eaa806a8fd254681f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce429a55d415412bc768cfab5ac8287f7c59b108476889eaa806a8fd254681f", kill_on_drop: false }`
[INFO] [stdout] 2ce429a55d415412bc768cfab5ac8287f7c59b108476889eaa806a8fd254681f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 403d86aeb131cc025aca5c13f2b89038593e9cfa27bd824aae90d74fc0edcecd
[INFO] running `Command { std: "docker" "start" "-a" "403d86aeb131cc025aca5c13f2b89038593e9cfa27bd824aae90d74fc0edcecd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/masstin-54cafe79377b9dd5)
[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" "403d86aeb131cc025aca5c13f2b89038593e9cfa27bd824aae90d74fc0edcecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403d86aeb131cc025aca5c13f2b89038593e9cfa27bd824aae90d74fc0edcecd", kill_on_drop: false }`
[INFO] [stdout] 403d86aeb131cc025aca5c13f2b89038593e9cfa27bd824aae90d74fc0edcecd