[INFO] fetching crate interview 0.1.2...
[INFO] extracting crate interview 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/interview/0.1.2
[INFO] extracting crate interview 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interview/0.1.2
[INFO] validating manifest of interview-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of interview-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing interview-0.1.2
[INFO] finished frobbing interview-0.1.2
[INFO] frobbed toml for interview-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/interview/0.1.2/Cargo.toml
[INFO] started frobbing interview-0.1.2
[INFO] finished frobbing interview-0.1.2
[INFO] frobbed toml for interview-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interview/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing interview-0.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interview/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fbd61017ebec7a6c9861702dc2de989ca6c8914fae27e51680d2cf2e2119d44a
[INFO] running `"docker" "start" "-a" "fbd61017ebec7a6c9861702dc2de989ca6c8914fae27e51680d2cf2e2119d44a"`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "fbd61017ebec7a6c9861702dc2de989ca6c8914fae27e51680d2cf2e2119d44a"`
[INFO] running `"docker" "rm" "-f" "fbd61017ebec7a6c9861702dc2de989ca6c8914fae27e51680d2cf2e2119d44a"`
[INFO] [stdout] fbd61017ebec7a6c9861702dc2de989ca6c8914fae27e51680d2cf2e2119d44a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interview/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] aba422c050431b7690740d0762bcc2e6e73fa1430e219a4fad66aeae971bf9c4
[INFO] running `"docker" "start" "-a" "aba422c050431b7690740d0762bcc2e6e73fa1430e219a4fad66aeae971bf9c4"`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "aba422c050431b7690740d0762bcc2e6e73fa1430e219a4fad66aeae971bf9c4"`
[INFO] running `"docker" "rm" "-f" "aba422c050431b7690740d0762bcc2e6e73fa1430e219a4fad66aeae971bf9c4"`
[INFO] [stdout] aba422c050431b7690740d0762bcc2e6e73fa1430e219a4fad66aeae971bf9c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interview/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a7c581bb48a37375f759bf6366973f1c417dfa247be7dee84584f59e99ec2f2b
[INFO] running `"docker" "start" "-a" "a7c581bb48a37375f759bf6366973f1c417dfa247be7dee84584f59e99ec2f2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/factorial-fa0c56a207a30517
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_factorial_zero_and_one ... ok
[INFO] [stdout] test tests::test_pascal_small_positive_integers ... ok
[INFO] [stdout] test tests::test_factorial_small_positive_integers ... ok
[INFO] [stdout] test tests::test_factorial_large_numbers ... 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: process didn't exit successfully: `/opt/crater/target/debug/deps/factorial-fa0c56a207a30517` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "a7c581bb48a37375f759bf6366973f1c417dfa247be7dee84584f59e99ec2f2b"`
[INFO] running `"docker" "rm" "-f" "a7c581bb48a37375f759bf6366973f1c417dfa247be7dee84584f59e99ec2f2b"`
[INFO] [stdout] a7c581bb48a37375f759bf6366973f1c417dfa247be7dee84584f59e99ec2f2b