[INFO] fetching crate tac-k 0.3.3...
[INFO] testing tac-k-0.3.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tac-k 0.3.3 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tac-k 0.3.3
[INFO] finished tweaking crates.io crate tac-k 0.3.3
[INFO] tweaked toml for crates.io crate tac-k 0.3.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tac-k 0.3.3 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 tac-k 0.3.3 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-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] 8f7bbd2615eda5d2c973d5f60c3b0af0eb59682d9677725a1d2ff6350b03fdb7
[INFO] running `Command { std: "docker" "start" "-a" "8f7bbd2615eda5d2c973d5f60c3b0af0eb59682d9677725a1d2ff6350b03fdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7bbd2615eda5d2c973d5f60c3b0af0eb59682d9677725a1d2ff6350b03fdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7bbd2615eda5d2c973d5f60c3b0af0eb59682d9677725a1d2ff6350b03fdb7", kill_on_drop: false }`
[INFO] [stdout] 8f7bbd2615eda5d2c973d5f60c3b0af0eb59682d9677725a1d2ff6350b03fdb7
[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] f5fbd16e5904743607a8ef2ac2dfeabf8a5df3ce1f5fdff9e2490a6d73402bbe
[INFO] running `Command { std: "docker" "start" "-a" "f5fbd16e5904743607a8ef2ac2dfeabf8a5df3ce1f5fdff9e2490a6d73402bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling clap_builder v4.4.18
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling tac-k-lib v0.3.3
[INFO] [stderr]    Compiling clap v4.4.18
[INFO] [stderr]    Compiling tac-k v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "f5fbd16e5904743607a8ef2ac2dfeabf8a5df3ce1f5fdff9e2490a6d73402bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fbd16e5904743607a8ef2ac2dfeabf8a5df3ce1f5fdff9e2490a6d73402bbe", kill_on_drop: false }`
[INFO] [stdout] f5fbd16e5904743607a8ef2ac2dfeabf8a5df3ce1f5fdff9e2490a6d73402bbe
[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] 585c0b436c58a5ea20eb9de77c3de029611687b1a380d577d02b896024b69560
[INFO] running `Command { std: "docker" "start" "-a" "585c0b436c58a5ea20eb9de77c3de029611687b1a380d577d02b896024b69560", kill_on_drop: false }`
[INFO] [stderr]    Compiling tac-k v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "585c0b436c58a5ea20eb9de77c3de029611687b1a380d577d02b896024b69560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585c0b436c58a5ea20eb9de77c3de029611687b1a380d577d02b896024b69560", kill_on_drop: false }`
[INFO] [stdout] 585c0b436c58a5ea20eb9de77c3de029611687b1a380d577d02b896024b69560
[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] 91d86d1dbe617629e9986198379ebd896d33502b6ed00e8281c88cfa7525f43a
[INFO] running `Command { std: "docker" "start" "-a" "91d86d1dbe617629e9986198379ebd896d33502b6ed00e8281c88cfa7525f43a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tac-2aee6948c6cd3f52)
[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" "91d86d1dbe617629e9986198379ebd896d33502b6ed00e8281c88cfa7525f43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d86d1dbe617629e9986198379ebd896d33502b6ed00e8281c88cfa7525f43a", kill_on_drop: false }`
[INFO] [stdout] 91d86d1dbe617629e9986198379ebd896d33502b6ed00e8281c88cfa7525f43a