[INFO] updating cached repository xorkevin/RBrain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xorkevin/RBrain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xorkevin/RBrain" "work/ex/beta-1.37-6/sources/1.36.0/gh/xorkevin/RBrain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/xorkevin/RBrain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xorkevin/RBrain" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xorkevin/RBrain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xorkevin/RBrain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a1f279dc966c45392810b8ea39e2ad78bbd8ee7
[INFO] sha for GitHub repo xorkevin/RBrain: 9a1f279dc966c45392810b8ea39e2ad78bbd8ee7
[INFO] validating manifest of xorkevin/RBrain 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 xorkevin/RBrain 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 xorkevin/RBrain
[INFO] finished frobbing xorkevin/RBrain
[INFO] frobbed toml for xorkevin/RBrain written to work/ex/beta-1.37-6/sources/1.36.0/gh/xorkevin/RBrain/Cargo.toml
[INFO] started frobbing xorkevin/RBrain
[INFO] finished frobbing xorkevin/RBrain
[INFO] frobbed toml for xorkevin/RBrain written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xorkevin/RBrain/Cargo.toml
[INFO] crate xorkevin/RBrain 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 xorkevin/RBrain 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/xorkevin/RBrain:/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] 1b720498672d337cfb0dc0642a4c33859b50a38d3b2e1703d722628e20f6acca
[INFO] running `"docker" "start" "-a" "1b720498672d337cfb0dc0642a4c33859b50a38d3b2e1703d722628e20f6acca"`
[INFO] [stderr]    Compiling RBrain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RBrain` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rbrain`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "1b720498672d337cfb0dc0642a4c33859b50a38d3b2e1703d722628e20f6acca"`
[INFO] running `"docker" "rm" "-f" "1b720498672d337cfb0dc0642a4c33859b50a38d3b2e1703d722628e20f6acca"`
[INFO] [stdout] 1b720498672d337cfb0dc0642a4c33859b50a38d3b2e1703d722628e20f6acca
[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/xorkevin/RBrain:/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] 2ea0cc74585d6d612190ca6611bbaa35fed991388aded80951d61f844c32ad05
[INFO] running `"docker" "start" "-a" "2ea0cc74585d6d612190ca6611bbaa35fed991388aded80951d61f844c32ad05"`
[INFO] [stderr]    Compiling RBrain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RBrain` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rbrain`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "2ea0cc74585d6d612190ca6611bbaa35fed991388aded80951d61f844c32ad05"`
[INFO] running `"docker" "rm" "-f" "2ea0cc74585d6d612190ca6611bbaa35fed991388aded80951d61f844c32ad05"`
[INFO] [stdout] 2ea0cc74585d6d612190ca6611bbaa35fed991388aded80951d61f844c32ad05
[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/xorkevin/RBrain:/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] 06be5e11bef60a93f79c6aae37de329948957b0b8c3b149cdb8fc7c47f2868d7
[INFO] running `"docker" "start" "-a" "06be5e11bef60a93f79c6aae37de329948957b0b8c3b149cdb8fc7c47f2868d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RBrain-341a511015dae7d6
[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] [stderr]    Doc-tests RBrain
[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" "06be5e11bef60a93f79c6aae37de329948957b0b8c3b149cdb8fc7c47f2868d7"`
[INFO] running `"docker" "rm" "-f" "06be5e11bef60a93f79c6aae37de329948957b0b8c3b149cdb8fc7c47f2868d7"`
[INFO] [stdout] 06be5e11bef60a93f79c6aae37de329948957b0b8c3b149cdb8fc7c47f2868d7