[INFO] fetching crate interview 0.1.2...
[INFO] testing interview-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate interview 0.1.2 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate interview 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interview 0.1.2
[INFO] finished tweaking crates.io crate interview 0.1.2
[INFO] tweaked toml for crates.io crate interview 0.1.2 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb1dc503d1fbc365f8b928e6cb75c04aa625187a519b4eb0be04118fb84ba167
[INFO] running `Command { std: "docker" "start" "-a" "fb1dc503d1fbc365f8b928e6cb75c04aa625187a519b4eb0be04118fb84ba167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb1dc503d1fbc365f8b928e6cb75c04aa625187a519b4eb0be04118fb84ba167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1dc503d1fbc365f8b928e6cb75c04aa625187a519b4eb0be04118fb84ba167", kill_on_drop: false }`
[INFO] [stdout] fb1dc503d1fbc365f8b928e6cb75c04aa625187a519b4eb0be04118fb84ba167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1d1bed04a022451ed662a14ef7495d3116b1ded510744713ecff9f8f0a758b
[INFO] running `Command { std: "docker" "start" "-a" "9a1d1bed04a022451ed662a14ef7495d3116b1ded510744713ecff9f8f0a758b", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "9a1d1bed04a022451ed662a14ef7495d3116b1ded510744713ecff9f8f0a758b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1d1bed04a022451ed662a14ef7495d3116b1ded510744713ecff9f8f0a758b", kill_on_drop: false }`
[INFO] [stdout] 9a1d1bed04a022451ed662a14ef7495d3116b1ded510744713ecff9f8f0a758b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd8872305e381ded03ccf110fc0014874a98e18396d9bd6aa31e51c0762dc3ed
[INFO] running `Command { std: "docker" "start" "-a" "dd8872305e381ded03ccf110fc0014874a98e18396d9bd6aa31e51c0762dc3ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "dd8872305e381ded03ccf110fc0014874a98e18396d9bd6aa31e51c0762dc3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8872305e381ded03ccf110fc0014874a98e18396d9bd6aa31e51c0762dc3ed", kill_on_drop: false }`
[INFO] [stdout] dd8872305e381ded03ccf110fc0014874a98e18396d9bd6aa31e51c0762dc3ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ab6ab969cce0bc4e44db8a86b26c256f81ab5d3d9d2bbdb41b71ec90d07e4fb
[INFO] running `Command { std: "docker" "start" "-a" "6ab6ab969cce0bc4e44db8a86b26c256f81ab5d3d9d2bbdb41b71ec90d07e4fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/factorial-36139405f7a23d6a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_factorial_large_numbers ... ok
[INFO] [stdout] test tests::test_factorial_small_positive_integers ... ok
[INFO] [stdout] test tests::test_factorial_zero_and_one ... ok
[INFO] [stdout] test tests::test_pascal_small_positive_integers ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::test_pascal_large_numbers' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/factorial-36139405f7a23d6a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "6ab6ab969cce0bc4e44db8a86b26c256f81ab5d3d9d2bbdb41b71ec90d07e4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab6ab969cce0bc4e44db8a86b26c256f81ab5d3d9d2bbdb41b71ec90d07e4fb", kill_on_drop: false }`
[INFO] [stdout] 6ab6ab969cce0bc4e44db8a86b26c256f81ab5d3d9d2bbdb41b71ec90d07e4fb