[INFO] fetching crate interview 0.1.2...
[INFO] testing interview-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate interview 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate interview 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4ff64a0de435d1d3c8080b87b632f306b2eff88f7e98e6ecbfeb70537614db3
[INFO] running `Command { std: "docker" "start" "-a" "b4ff64a0de435d1d3c8080b87b632f306b2eff88f7e98e6ecbfeb70537614db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ff64a0de435d1d3c8080b87b632f306b2eff88f7e98e6ecbfeb70537614db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ff64a0de435d1d3c8080b87b632f306b2eff88f7e98e6ecbfeb70537614db3", kill_on_drop: false }`
[INFO] [stdout] b4ff64a0de435d1d3c8080b87b632f306b2eff88f7e98e6ecbfeb70537614db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3298a129986f63d704232119fb11cdfc0467490f5037cd034d925a4639faab85
[INFO] running `Command { std: "docker" "start" "-a" "3298a129986f63d704232119fb11cdfc0467490f5037cd034d925a4639faab85", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "3298a129986f63d704232119fb11cdfc0467490f5037cd034d925a4639faab85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3298a129986f63d704232119fb11cdfc0467490f5037cd034d925a4639faab85", kill_on_drop: false }`
[INFO] [stdout] 3298a129986f63d704232119fb11cdfc0467490f5037cd034d925a4639faab85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b10c63155093d08f870694c063f47ea0dd7ad4b722b3e3d128093699beaadf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3b10c63155093d08f870694c063f47ea0dd7ad4b722b3e3d128093699beaadf", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a3b10c63155093d08f870694c063f47ea0dd7ad4b722b3e3d128093699beaadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b10c63155093d08f870694c063f47ea0dd7ad4b722b3e3d128093699beaadf", kill_on_drop: false }`
[INFO] [stdout] a3b10c63155093d08f870694c063f47ea0dd7ad4b722b3e3d128093699beaadf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8c2faca317193f8d888fdd3e98ce375df2c0637deccb49f77b3d4debb813b11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8c2faca317193f8d888fdd3e98ce375df2c0637deccb49f77b3d4debb813b11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factorial-03774c1266ed5111
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_factorial_small_positive_integers ... ok
[INFO] [stdout] test tests::test_factorial_zero_and_one ... 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-03774c1266ed5111` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "b8c2faca317193f8d888fdd3e98ce375df2c0637deccb49f77b3d4debb813b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c2faca317193f8d888fdd3e98ce375df2c0637deccb49f77b3d4debb813b11", kill_on_drop: false }`
[INFO] [stdout] b8c2faca317193f8d888fdd3e98ce375df2c0637deccb49f77b3d4debb813b11