[INFO] updating cached repository cessen/markov_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cessen/markov_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cessen/markov_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/cessen/markov_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cessen/markov_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cessen/markov_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cessen/markov_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cessen/markov_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9872ae802dc4e1d948e679dc5831a98550799d5
[INFO] sha for GitHub repo cessen/markov_rust: e9872ae802dc4e1d948e679dc5831a98550799d5
[INFO] validating manifest of cessen/markov_rust 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 cessen/markov_rust 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 cessen/markov_rust
[INFO] finished frobbing cessen/markov_rust
[INFO] frobbed toml for cessen/markov_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/cessen/markov_rust/Cargo.toml
[INFO] started frobbing cessen/markov_rust
[INFO] finished frobbing cessen/markov_rust
[INFO] frobbed toml for cessen/markov_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cessen/markov_rust/Cargo.toml
[INFO] crate cessen/markov_rust 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 cessen/markov_rust 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-7/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/cessen/markov_rust:/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] a52d3b474dc5f0b362e7e6a129f821e99e74665da97f920b29fe961a38247241
[INFO] running `"docker" "start" "-a" "a52d3b474dc5f0b362e7e6a129f821e99e74665da97f920b29fe961a38247241"`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling markov_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.02s
[INFO] running `"docker" "inspect" "a52d3b474dc5f0b362e7e6a129f821e99e74665da97f920b29fe961a38247241"`
[INFO] running `"docker" "rm" "-f" "a52d3b474dc5f0b362e7e6a129f821e99e74665da97f920b29fe961a38247241"`
[INFO] [stdout] a52d3b474dc5f0b362e7e6a129f821e99e74665da97f920b29fe961a38247241
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/cessen/markov_rust:/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] a70225821d4379025e730126fd002b2b6dae4a7aff9719890963478eb5a156dc
[INFO] running `"docker" "start" "-a" "a70225821d4379025e730126fd002b2b6dae4a7aff9719890963478eb5a156dc"`
[INFO] [stderr]    Compiling markov_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "a70225821d4379025e730126fd002b2b6dae4a7aff9719890963478eb5a156dc"`
[INFO] running `"docker" "rm" "-f" "a70225821d4379025e730126fd002b2b6dae4a7aff9719890963478eb5a156dc"`
[INFO] [stdout] a70225821d4379025e730126fd002b2b6dae4a7aff9719890963478eb5a156dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/cessen/markov_rust:/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] c4ff04b1344ec4bb72aaf19dcac135b78f4b309556231d7813b9bda6ebe6f334
[INFO] running `"docker" "start" "-a" "c4ff04b1344ec4bb72aaf19dcac135b78f4b309556231d7813b9bda6ebe6f334"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/markov_rust-c7b907ac9cc1bd20
[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" "c4ff04b1344ec4bb72aaf19dcac135b78f4b309556231d7813b9bda6ebe6f334"`
[INFO] running `"docker" "rm" "-f" "c4ff04b1344ec4bb72aaf19dcac135b78f4b309556231d7813b9bda6ebe6f334"`
[INFO] [stdout] c4ff04b1344ec4bb72aaf19dcac135b78f4b309556231d7813b9bda6ebe6f334