[INFO] updating cached repository nick123pig/rust-markov
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nick123pig/rust-markov
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nick123pig/rust-markov" "work/ex/beta-1.37-6/sources/1.36.0/gh/nick123pig/rust-markov"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nick123pig/rust-markov'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nick123pig/rust-markov" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nick123pig/rust-markov"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nick123pig/rust-markov'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e0444bb743afbccf59a3c5e901ea53c59504a54
[INFO] sha for GitHub repo nick123pig/rust-markov: 1e0444bb743afbccf59a3c5e901ea53c59504a54
[INFO] validating manifest of nick123pig/rust-markov 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 nick123pig/rust-markov 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 nick123pig/rust-markov
[INFO] finished frobbing nick123pig/rust-markov
[INFO] frobbed toml for nick123pig/rust-markov written to work/ex/beta-1.37-6/sources/1.36.0/gh/nick123pig/rust-markov/Cargo.toml
[INFO] started frobbing nick123pig/rust-markov
[INFO] finished frobbing nick123pig/rust-markov
[INFO] frobbed toml for nick123pig/rust-markov written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nick123pig/rust-markov/Cargo.toml
[INFO] crate nick123pig/rust-markov 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] testing nick123pig/rust-markov 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/gh/nick123pig/rust-markov:/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] cf36db01748a80687b38d4c04e497a8ee39741c50d14d123d616baf9b131b981
[INFO] running `"docker" "start" "-a" "cf36db01748a80687b38d4c04e497a8ee39741c50d14d123d616baf9b131b981"`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling markov v0.0.32
[INFO] [stderr]    Compiling markov v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `"docker" "inspect" "cf36db01748a80687b38d4c04e497a8ee39741c50d14d123d616baf9b131b981"`
[INFO] running `"docker" "rm" "-f" "cf36db01748a80687b38d4c04e497a8ee39741c50d14d123d616baf9b131b981"`
[INFO] [stdout] cf36db01748a80687b38d4c04e497a8ee39741c50d14d123d616baf9b131b981
[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/gh/nick123pig/rust-markov:/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] c33ff31513949801af8d99a02afd2cf1264ab8bbb4e8b6c094f62eb2e99793fc
[INFO] running `"docker" "start" "-a" "c33ff31513949801af8d99a02afd2cf1264ab8bbb4e8b6c094f62eb2e99793fc"`
[INFO] [stderr]    Compiling markov v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c33ff31513949801af8d99a02afd2cf1264ab8bbb4e8b6c094f62eb2e99793fc"`
[INFO] running `"docker" "rm" "-f" "c33ff31513949801af8d99a02afd2cf1264ab8bbb4e8b6c094f62eb2e99793fc"`
[INFO] [stdout] c33ff31513949801af8d99a02afd2cf1264ab8bbb4e8b6c094f62eb2e99793fc
[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/gh/nick123pig/rust-markov:/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] 8241133ce0f83feb23a3c06c4a91f2f59c8f00f918adbe2551828c85694f676e
[INFO] running `"docker" "start" "-a" "8241133ce0f83feb23a3c06c4a91f2f59c8f00f918adbe2551828c85694f676e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/markov-63b2a5b42dd09a1f
[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" "8241133ce0f83feb23a3c06c4a91f2f59c8f00f918adbe2551828c85694f676e"`
[INFO] running `"docker" "rm" "-f" "8241133ce0f83feb23a3c06c4a91f2f59c8f00f918adbe2551828c85694f676e"`
[INFO] [stdout] 8241133ce0f83feb23a3c06c4a91f2f59c8f00f918adbe2551828c85694f676e