[INFO] fetching crate tac-k 0.3.3...
[INFO] testing tac-k-0.3.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tac-k 0.3.3 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tac-k 0.3.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc5400ca23dee311cf6863f7082dbc700cb3d76347673b07f7e780b30878892
[INFO] running `Command { std: "docker" "start" "-a" "2dc5400ca23dee311cf6863f7082dbc700cb3d76347673b07f7e780b30878892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc5400ca23dee311cf6863f7082dbc700cb3d76347673b07f7e780b30878892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc5400ca23dee311cf6863f7082dbc700cb3d76347673b07f7e780b30878892", kill_on_drop: false }`
[INFO] [stdout] 2dc5400ca23dee311cf6863f7082dbc700cb3d76347673b07f7e780b30878892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfce67abeb4ef66fa67eaf3f8aea19360ac98a7bf3764aef0ed40cade1590459
[INFO] running `Command { std: "docker" "start" "-a" "dfce67abeb4ef66fa67eaf3f8aea19360ac98a7bf3764aef0ed40cade1590459", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.86
[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 5.34s
[INFO] running `Command { std: "docker" "inspect" "dfce67abeb4ef66fa67eaf3f8aea19360ac98a7bf3764aef0ed40cade1590459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfce67abeb4ef66fa67eaf3f8aea19360ac98a7bf3764aef0ed40cade1590459", kill_on_drop: false }`
[INFO] [stdout] dfce67abeb4ef66fa67eaf3f8aea19360ac98a7bf3764aef0ed40cade1590459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac28ed4129db47bfcb115fcaaaaedbc07ca3abecdfad2c752acf8622fd57a075
[INFO] running `Command { std: "docker" "start" "-a" "ac28ed4129db47bfcb115fcaaaaedbc07ca3abecdfad2c752acf8622fd57a075", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "ac28ed4129db47bfcb115fcaaaaedbc07ca3abecdfad2c752acf8622fd57a075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac28ed4129db47bfcb115fcaaaaedbc07ca3abecdfad2c752acf8622fd57a075", kill_on_drop: false }`
[INFO] [stdout] ac28ed4129db47bfcb115fcaaaaedbc07ca3abecdfad2c752acf8622fd57a075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23472d74342bd2c6604830b36f14ecee6b21964dca7c7d3c8b7bce4ce767d509
[INFO] running `Command { std: "docker" "start" "-a" "23472d74342bd2c6604830b36f14ecee6b21964dca7c7d3c8b7bce4ce767d509", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tac-cab9f0baf9476700)
[INFO] running `Command { std: "docker" "inspect" "23472d74342bd2c6604830b36f14ecee6b21964dca7c7d3c8b7bce4ce767d509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23472d74342bd2c6604830b36f14ecee6b21964dca7c7d3c8b7bce4ce767d509", kill_on_drop: false }`
[INFO] [stdout] 23472d74342bd2c6604830b36f14ecee6b21964dca7c7d3c8b7bce4ce767d509
