[INFO] fetching crate interview 0.1.2...
[INFO] testing interview-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate interview 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate interview 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "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] 544883539a2704da531c0ec4a821d15b14a1013b7f92553bfcbc4931c7b653b9
[INFO] running `Command { std: "docker" "start" "-a" "544883539a2704da531c0ec4a821d15b14a1013b7f92553bfcbc4931c7b653b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "544883539a2704da531c0ec4a821d15b14a1013b7f92553bfcbc4931c7b653b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544883539a2704da531c0ec4a821d15b14a1013b7f92553bfcbc4931c7b653b9", kill_on_drop: false }`
[INFO] [stdout] 544883539a2704da531c0ec4a821d15b14a1013b7f92553bfcbc4931c7b653b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1afab7cb50b5fa4dabcb3799f8e2972265045eeb3399b30d6027e8db8af9bfea
[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" "1afab7cb50b5fa4dabcb3799f8e2972265045eeb3399b30d6027e8db8af9bfea", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1afab7cb50b5fa4dabcb3799f8e2972265045eeb3399b30d6027e8db8af9bfea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afab7cb50b5fa4dabcb3799f8e2972265045eeb3399b30d6027e8db8af9bfea", kill_on_drop: false }`
[INFO] [stdout] 1afab7cb50b5fa4dabcb3799f8e2972265045eeb3399b30d6027e8db8af9bfea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3c98cc1ff32704e9dc602ea28a0d353ad6ce88bd9f38abd3ff3e100eaf4f7d
[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" "ef3c98cc1ff32704e9dc602ea28a0d353ad6ce88bd9f38abd3ff3e100eaf4f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "ef3c98cc1ff32704e9dc602ea28a0d353ad6ce88bd9f38abd3ff3e100eaf4f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3c98cc1ff32704e9dc602ea28a0d353ad6ce88bd9f38abd3ff3e100eaf4f7d", kill_on_drop: false }`
[INFO] [stdout] ef3c98cc1ff32704e9dc602ea28a0d353ad6ce88bd9f38abd3ff3e100eaf4f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5cff9647e933537965aebbb5597dc777f2a6a2f7eae7c6f1169705a65593c4d
[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" "f5cff9647e933537965aebbb5597dc777f2a6a2f7eae7c6f1169705a65593c4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factorial-77378d00f0f9b7e8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_factorial_large_numbers ... 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-77378d00f0f9b7e8` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "f5cff9647e933537965aebbb5597dc777f2a6a2f7eae7c6f1169705a65593c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cff9647e933537965aebbb5597dc777f2a6a2f7eae7c6f1169705a65593c4d", kill_on_drop: false }`
[INFO] [stdout] f5cff9647e933537965aebbb5597dc777f2a6a2f7eae7c6f1169705a65593c4d