[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-1.38-1/sources/1.37.0/gh/xorkevin/RBrain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xorkevin/RBrain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xorkevin/RBrain" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xorkevin/RBrain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xorkevin/RBrain 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 xorkevin/RBrain
[INFO] finished frobbing xorkevin/RBrain
[INFO] frobbed toml for xorkevin/RBrain written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 xorkevin/RBrain 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 05ed3e4a2dd60bc3d03ee899688db3ef58efc31e7e2d96b6ce9937dee2330482
[INFO] running `"docker" "start" "-a" "05ed3e4a2dd60bc3d03ee899688db3ef58efc31e7e2d96b6ce9937dee2330482"`
[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 0.30s
[INFO] running `"docker" "inspect" "05ed3e4a2dd60bc3d03ee899688db3ef58efc31e7e2d96b6ce9937dee2330482"`
[INFO] running `"docker" "rm" "-f" "05ed3e4a2dd60bc3d03ee899688db3ef58efc31e7e2d96b6ce9937dee2330482"`
[INFO] [stdout] 05ed3e4a2dd60bc3d03ee899688db3ef58efc31e7e2d96b6ce9937dee2330482
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 980c6da2ad586b981287f11057c4554f452cae9bb631052e9406866496567267
[INFO] running `"docker" "start" "-a" "980c6da2ad586b981287f11057c4554f452cae9bb631052e9406866496567267"`
[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 0.70s
[INFO] running `"docker" "inspect" "980c6da2ad586b981287f11057c4554f452cae9bb631052e9406866496567267"`
[INFO] running `"docker" "rm" "-f" "980c6da2ad586b981287f11057c4554f452cae9bb631052e9406866496567267"`
[INFO] [stdout] 980c6da2ad586b981287f11057c4554f452cae9bb631052e9406866496567267
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dcb967749e2e2fd52aae7ae1e7598f6d17783cb23dd0f9e300a3608f8567b6a1
[INFO] running `"docker" "start" "-a" "dcb967749e2e2fd52aae7ae1e7598f6d17783cb23dd0f9e300a3608f8567b6a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RBrain-d4c674033a2bbd84
[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] [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" "dcb967749e2e2fd52aae7ae1e7598f6d17783cb23dd0f9e300a3608f8567b6a1"`
[INFO] running `"docker" "rm" "-f" "dcb967749e2e2fd52aae7ae1e7598f6d17783cb23dd0f9e300a3608f8567b6a1"`
[INFO] [stdout] dcb967749e2e2fd52aae7ae1e7598f6d17783cb23dd0f9e300a3608f8567b6a1