[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 master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlake-Haydon%2Fackermann_function" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Blake-Haydon/ackermann_function on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00d29662be7782567bee03f46b81b2d910b8d780e9527c24e9471c4444a59c1f
[INFO] running `Command { std: "docker" "start" "-a" "00d29662be7782567bee03f46b81b2d910b8d780e9527c24e9471c4444a59c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d29662be7782567bee03f46b81b2d910b8d780e9527c24e9471c4444a59c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d29662be7782567bee03f46b81b2d910b8d780e9527c24e9471c4444a59c1f", kill_on_drop: false }`
[INFO] [stdout] 00d29662be7782567bee03f46b81b2d910b8d780e9527c24e9471c4444a59c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56dfd0681723aec08f22be5fa96d23e9b1ca708bd4b4ecc013036ad38339f5d8
[INFO] running `Command { std: "docker" "start" "-a" "56dfd0681723aec08f22be5fa96d23e9b1ca708bd4b4ecc013036ad38339f5d8", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "56dfd0681723aec08f22be5fa96d23e9b1ca708bd4b4ecc013036ad38339f5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dfd0681723aec08f22be5fa96d23e9b1ca708bd4b4ecc013036ad38339f5d8", kill_on_drop: false }`
[INFO] [stdout] 56dfd0681723aec08f22be5fa96d23e9b1ca708bd4b4ecc013036ad38339f5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1029d3c3ba2f1550b494747091606f4d80c8594fcd38d6c4534fab4d6a505067
[INFO] running `Command { std: "docker" "start" "-a" "1029d3c3ba2f1550b494747091606f4d80c8594fcd38d6c4534fab4d6a505067", 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "1029d3c3ba2f1550b494747091606f4d80c8594fcd38d6c4534fab4d6a505067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1029d3c3ba2f1550b494747091606f4d80c8594fcd38d6c4534fab4d6a505067", kill_on_drop: false }`
[INFO] [stdout] 1029d3c3ba2f1550b494747091606f4d80c8594fcd38d6c4534fab4d6a505067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 582c257de36b17a73a7faee2efdceb65b210309757b950802fe68ac50924ee19
[INFO] running `Command { std: "docker" "start" "-a" "582c257de36b17a73a7faee2efdceb65b210309757b950802fe68ac50924ee19", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ackermann_function-8d0c400b627d361c)
[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' (22) 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-8d0c400b627d361c` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "582c257de36b17a73a7faee2efdceb65b210309757b950802fe68ac50924ee19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582c257de36b17a73a7faee2efdceb65b210309757b950802fe68ac50924ee19", kill_on_drop: false }`
[INFO] [stdout] 582c257de36b17a73a7faee2efdceb65b210309757b950802fe68ac50924ee19
