[INFO] updating cached repository MoonL1ght/Rust-Markov-Chain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MoonL1ght/Rust-Markov-Chain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MoonL1ght/Rust-Markov-Chain" "work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MoonL1ght/Rust-Markov-Chain" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoonL1ght/Rust-Markov-Chain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoonL1ght/Rust-Markov-Chain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 861e76396c56712e12bf2265597ecccc678b64bf
[INFO] sha for GitHub repo MoonL1ght/Rust-Markov-Chain: 861e76396c56712e12bf2265597ecccc678b64bf
[INFO] validating manifest of MoonL1ght/Rust-Markov-Chain 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 MoonL1ght/Rust-Markov-Chain 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 MoonL1ght/Rust-Markov-Chain
[INFO] removed path dependency rand from MoonL1ght/Rust-Markov-Chain
[INFO] finished frobbing MoonL1ght/Rust-Markov-Chain
[INFO] frobbed toml for MoonL1ght/Rust-Markov-Chain written to work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain/Cargo.toml
[INFO] started frobbing MoonL1ght/Rust-Markov-Chain
[INFO] removed path dependency rand from MoonL1ght/Rust-Markov-Chain
[INFO] finished frobbing MoonL1ght/Rust-Markov-Chain
[INFO] frobbed toml for MoonL1ght/Rust-Markov-Chain written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoonL1ght/Rust-Markov-Chain/Cargo.toml
[INFO] crate MoonL1ght/Rust-Markov-Chain already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing MoonL1ght/Rust-Markov-Chain 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain:/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] b1c17e4998e71431f5bacf4b0fdc3df94d2a8e55c0596ad0862c73225198fa24
[INFO] running `"docker" "start" "-a" "b1c17e4998e71431f5bacf4b0fdc3df94d2a8e55c0596ad0862c73225198fa24"`
[INFO] [stderr] warning: dependency (rand) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling markov_chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "b1c17e4998e71431f5bacf4b0fdc3df94d2a8e55c0596ad0862c73225198fa24"`
[INFO] running `"docker" "rm" "-f" "b1c17e4998e71431f5bacf4b0fdc3df94d2a8e55c0596ad0862c73225198fa24"`
[INFO] [stdout] b1c17e4998e71431f5bacf4b0fdc3df94d2a8e55c0596ad0862c73225198fa24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain:/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] ce9c27f69e2da9e78bbbf3d0d0e583e5cb3c3c28210710757fd0d090075e8267
[INFO] running `"docker" "start" "-a" "ce9c27f69e2da9e78bbbf3d0d0e583e5cb3c3c28210710757fd0d090075e8267"`
[INFO] [stderr] warning: dependency (rand) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling markov_chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "ce9c27f69e2da9e78bbbf3d0d0e583e5cb3c3c28210710757fd0d090075e8267"`
[INFO] running `"docker" "rm" "-f" "ce9c27f69e2da9e78bbbf3d0d0e583e5cb3c3c28210710757fd0d090075e8267"`
[INFO] [stdout] ce9c27f69e2da9e78bbbf3d0d0e583e5cb3c3c28210710757fd0d090075e8267
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/Rust-Markov-Chain:/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] c90b09c1c89b16b45c888d14becfebbb81b6bafbc3c7a3e730fc7a170e5078e4
[INFO] running `"docker" "start" "-a" "c90b09c1c89b16b45c888d14becfebbb81b6bafbc3c7a3e730fc7a170e5078e4"`
[INFO] [stderr] warning: dependency (rand) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/markov_chain-488a422fb4f0887d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c90b09c1c89b16b45c888d14becfebbb81b6bafbc3c7a3e730fc7a170e5078e4"`
[INFO] running `"docker" "rm" "-f" "c90b09c1c89b16b45c888d14becfebbb81b6bafbc3c7a3e730fc7a170e5078e4"`
[INFO] [stdout] c90b09c1c89b16b45c888d14becfebbb81b6bafbc3c7a3e730fc7a170e5078e4