[INFO] cloning repository https://github.com/Blake-Haydon/ackermann_function
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Blake-Haydon/ackermann_function" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlake-Haydon%2Fackermann_function", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlake-Haydon%2Fackermann_function'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b79c76cc8fc6d5ae7dd419cbbddf13f8f54a8f1
[INFO] testing Blake-Haydon/ackermann_function against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlake-Haydon%2Fackermann_function" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Blake-Haydon/ackermann_function
[INFO] finished tweaking git repo https://github.com/Blake-Haydon/ackermann_function
[INFO] tweaked toml for git repo https://github.com/Blake-Haydon/ackermann_function written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Blake-Haydon/ackermann_function on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Blake-Haydon/ackermann_function 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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3df0857651a1d5cb306182ea7adcba51e78c52fe3328f4ff14aa9b3254c6fda
[INFO] running `Command { std: "docker" "start" "-a" "c3df0857651a1d5cb306182ea7adcba51e78c52fe3328f4ff14aa9b3254c6fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3df0857651a1d5cb306182ea7adcba51e78c52fe3328f4ff14aa9b3254c6fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3df0857651a1d5cb306182ea7adcba51e78c52fe3328f4ff14aa9b3254c6fda", kill_on_drop: false }`
[INFO] [stdout] c3df0857651a1d5cb306182ea7adcba51e78c52fe3328f4ff14aa9b3254c6fda
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc523c15f1f05edb165215a5a96747da9fdbb26222d88aded02f969e36ae35ac
[INFO] running `Command { std: "docker" "start" "-a" "cc523c15f1f05edb165215a5a96747da9fdbb26222d88aded02f969e36ae35ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackermann_function v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cc523c15f1f05edb165215a5a96747da9fdbb26222d88aded02f969e36ae35ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc523c15f1f05edb165215a5a96747da9fdbb26222d88aded02f969e36ae35ac", kill_on_drop: false }`
[INFO] [stdout] cc523c15f1f05edb165215a5a96747da9fdbb26222d88aded02f969e36ae35ac
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c8b4c19d746088b8e682113a35c7e23648fd69366430678e71c7dbdcb3b01cf
[INFO] running `Command { std: "docker" "start" "-a" "8c8b4c19d746088b8e682113a35c7e23648fd69366430678e71c7dbdcb3b01cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackermann_function v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8c8b4c19d746088b8e682113a35c7e23648fd69366430678e71c7dbdcb3b01cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8b4c19d746088b8e682113a35c7e23648fd69366430678e71c7dbdcb3b01cf", kill_on_drop: false }`
[INFO] [stdout] 8c8b4c19d746088b8e682113a35c7e23648fd69366430678e71c7dbdcb3b01cf
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b91641c21af66a13ca7e3194ba57975cac9e6c8c50566a2dc6962f84c9cc70f8
[INFO] running `Command { std: "docker" "start" "-a" "b91641c21af66a13ca7e3194ba57975cac9e6c8c50566a2dc6962f84c9cc70f8", 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/ackermann_function-6f9399b8744d4bd0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::m_0 ... ok
[INFO] [stdout] test test::m_2 ... ok
[INFO] [stdout] test test::m_3 ... ok
[INFO] [stdout] test test::m_1 ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'test::m_5' (29) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--bin ackermann_function`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/ackermann_function-6f9399b8744d4bd0` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "b91641c21af66a13ca7e3194ba57975cac9e6c8c50566a2dc6962f84c9cc70f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91641c21af66a13ca7e3194ba57975cac9e6c8c50566a2dc6962f84c9cc70f8", kill_on_drop: false }`
[INFO] [stdout] b91641c21af66a13ca7e3194ba57975cac9e6c8c50566a2dc6962f84c9cc70f8
