[INFO] crate interview 0.1.2 is already in cache
[INFO] extracting crate interview 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/interview/0.1.2
[INFO] extracting crate interview 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/interview/0.1.2
[INFO] validating manifest of interview-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of interview-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/interview/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing interview-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 41cce03f54d81e473f0fdc41ae34de9ca42c44edf0ed1436b32d8a57a86154ff
[INFO] running `"docker" "start" "-a" "41cce03f54d81e473f0fdc41ae34de9ca42c44edf0ed1436b32d8a57a86154ff"`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "41cce03f54d81e473f0fdc41ae34de9ca42c44edf0ed1436b32d8a57a86154ff"`
[INFO] running `"docker" "rm" "-f" "41cce03f54d81e473f0fdc41ae34de9ca42c44edf0ed1436b32d8a57a86154ff"`
[INFO] [stdout] 41cce03f54d81e473f0fdc41ae34de9ca42c44edf0ed1436b32d8a57a86154ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f3df0ea348a5a78aa552190c7f36fcfdd3c67b4b419dc260284b08b4cc2b1c2d
[INFO] running `"docker" "start" "-a" "f3df0ea348a5a78aa552190c7f36fcfdd3c67b4b419dc260284b08b4cc2b1c2d"`
[INFO] [stderr]    Compiling interview v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "f3df0ea348a5a78aa552190c7f36fcfdd3c67b4b419dc260284b08b4cc2b1c2d"`
[INFO] running `"docker" "rm" "-f" "f3df0ea348a5a78aa552190c7f36fcfdd3c67b4b419dc260284b08b4cc2b1c2d"`
[INFO] [stdout] f3df0ea348a5a78aa552190c7f36fcfdd3c67b4b419dc260284b08b4cc2b1c2d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 07d400dbc04900367f9fd33dd40c5afa588cfa436ddcd3176e86aa2cd64518e5
[INFO] running `"docker" "start" "-a" "07d400dbc04900367f9fd33dd40c5afa588cfa436ddcd3176e86aa2cd64518e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/factorial-d938de51347ab77f
[INFO] [stdout] running 5 tests
[INFO] [stderr] 
[INFO] [stdout] test tests::test_factorial_zero_and_one ... ok
[INFO] [stderr] thread 'tests::test_pascal_large_numbers' has overflowed its stack
[INFO] [stdout] test tests::test_factorial_small_positive_integers ... ok
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stdout] test tests::test_factorial_large_numbers ... ok
[INFO] [stderr] error: process didn't exit successfully: `/opt/crater/target/debug/deps/factorial-d938de51347ab77f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "07d400dbc04900367f9fd33dd40c5afa588cfa436ddcd3176e86aa2cd64518e5"`
[INFO] running `"docker" "rm" "-f" "07d400dbc04900367f9fd33dd40c5afa588cfa436ddcd3176e86aa2cd64518e5"`
[INFO] [stdout] 07d400dbc04900367f9fd33dd40c5afa588cfa436ddcd3176e86aa2cd64518e5