[INFO] updating cached repository malramsay64/random_number_generators
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/malramsay64/random_number_generators
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/malramsay64/random_number_generators" "work/ex/beta-1.37-6/sources/1.36.0/gh/malramsay64/random_number_generators"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/malramsay64/random_number_generators'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/malramsay64/random_number_generators" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malramsay64/random_number_generators"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malramsay64/random_number_generators'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4310b8c9eebb26620eaecae656e427abb7e32aa6
[INFO] sha for GitHub repo malramsay64/random_number_generators: 4310b8c9eebb26620eaecae656e427abb7e32aa6
[INFO] validating manifest of malramsay64/random_number_generators 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 malramsay64/random_number_generators 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 malramsay64/random_number_generators
[INFO] finished frobbing malramsay64/random_number_generators
[INFO] frobbed toml for malramsay64/random_number_generators written to work/ex/beta-1.37-6/sources/1.36.0/gh/malramsay64/random_number_generators/Cargo.toml
[INFO] started frobbing malramsay64/random_number_generators
[INFO] finished frobbing malramsay64/random_number_generators
[INFO] frobbed toml for malramsay64/random_number_generators written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malramsay64/random_number_generators/Cargo.toml
[INFO] crate malramsay64/random_number_generators already has a lockfile, it will not be regenerated
[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 malramsay64/random_number_generators 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-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malramsay64/random_number_generators:/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] 2325b81150a79995a982b2e2d2940c52940ac7f7eeb2fed800d51baed8ce2d75
[INFO] running `"docker" "start" "-a" "2325b81150a79995a982b2e2d2940c52940ac7f7eeb2fed800d51baed8ce2d75"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xoshiro v0.2.0
[INFO] [stderr]    Compiling sfmt v0.5.0
[INFO] [stderr]    Compiling random_number_generators v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `"docker" "inspect" "2325b81150a79995a982b2e2d2940c52940ac7f7eeb2fed800d51baed8ce2d75"`
[INFO] running `"docker" "rm" "-f" "2325b81150a79995a982b2e2d2940c52940ac7f7eeb2fed800d51baed8ce2d75"`
[INFO] [stdout] 2325b81150a79995a982b2e2d2940c52940ac7f7eeb2fed800d51baed8ce2d75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malramsay64/random_number_generators:/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] 4e3683d00435ae431de4b5acdf571b5f81f17d053298b44276e4c4bb21ecf02e
[INFO] running `"docker" "start" "-a" "4e3683d00435ae431de4b5acdf571b5f81f17d053298b44276e4c4bb21ecf02e"`
[INFO] [stderr]    Compiling random_number_generators v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "4e3683d00435ae431de4b5acdf571b5f81f17d053298b44276e4c4bb21ecf02e"`
[INFO] running `"docker" "rm" "-f" "4e3683d00435ae431de4b5acdf571b5f81f17d053298b44276e4c4bb21ecf02e"`
[INFO] [stdout] 4e3683d00435ae431de4b5acdf571b5f81f17d053298b44276e4c4bb21ecf02e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malramsay64/random_number_generators:/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] fb841e6ea10b1c8fab033ded5cf9460b6519955ba58e75c4f355efe6986f3063
[INFO] running `"docker" "start" "-a" "fb841e6ea10b1c8fab033ded5cf9460b6519955ba58e75c4f355efe6986f3063"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random_number_generators-2cd0898b76f2a7a2
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::test_invariant' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: process didn't exit successfully: `/opt/crater/target/debug/deps/random_number_generators-2cd0898b76f2a7a2` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "fb841e6ea10b1c8fab033ded5cf9460b6519955ba58e75c4f355efe6986f3063"`
[INFO] running `"docker" "rm" "-f" "fb841e6ea10b1c8fab033ded5cf9460b6519955ba58e75c4f355efe6986f3063"`
[INFO] [stdout] fb841e6ea10b1c8fab033ded5cf9460b6519955ba58e75c4f355efe6986f3063