[INFO] updating cached repository learnmerust/8ball
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/learnmerust/8ball
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/learnmerust/8ball" "work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/8ball"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/8ball'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/learnmerust/8ball" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/8ball"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/8ball'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 164bd108865dffd7fe18cad9182adde1cdc4902d
[INFO] sha for GitHub repo learnmerust/8ball: 164bd108865dffd7fe18cad9182adde1cdc4902d
[INFO] validating manifest of learnmerust/8ball 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 learnmerust/8ball 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 learnmerust/8ball
[INFO] finished frobbing learnmerust/8ball
[INFO] frobbed toml for learnmerust/8ball written to work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/8ball/Cargo.toml
[INFO] started frobbing learnmerust/8ball
[INFO] finished frobbing learnmerust/8ball
[INFO] frobbed toml for learnmerust/8ball written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/8ball/Cargo.toml
[INFO] crate learnmerust/8ball 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/8ball/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[INFO] the lockfile is outdated, regenerating it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 learnmerust/8ball against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/8ball:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ea04ac3202ca2846decbc246ae7f2092ba4b302e97c2364d91fbabd5b5dfc957
[INFO] running `"docker" "start" "-a" "ea04ac3202ca2846decbc246ae7f2092ba4b302e97c2364d91fbabd5b5dfc957"`
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling 8ball v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.21s
[INFO] running `"docker" "inspect" "ea04ac3202ca2846decbc246ae7f2092ba4b302e97c2364d91fbabd5b5dfc957"`
[INFO] running `"docker" "rm" "-f" "ea04ac3202ca2846decbc246ae7f2092ba4b302e97c2364d91fbabd5b5dfc957"`
[INFO] [stdout] ea04ac3202ca2846decbc246ae7f2092ba4b302e97c2364d91fbabd5b5dfc957
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/8ball:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d7ee2b44ffef235db051eed77ecaadc4a9309476996a8b31e7c6f54d8d538806
[INFO] running `"docker" "start" "-a" "d7ee2b44ffef235db051eed77ecaadc4a9309476996a8b31e7c6f54d8d538806"`
[INFO] [stderr]    Compiling 8ball v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "d7ee2b44ffef235db051eed77ecaadc4a9309476996a8b31e7c6f54d8d538806"`
[INFO] running `"docker" "rm" "-f" "d7ee2b44ffef235db051eed77ecaadc4a9309476996a8b31e7c6f54d8d538806"`
[INFO] [stdout] d7ee2b44ffef235db051eed77ecaadc4a9309476996a8b31e7c6f54d8d538806
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/8ball:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 86ee754c080a157b9b23ae2f4cee742e31ea21ba3f47ec1243ec89909cd2a915
[INFO] running `"docker" "start" "-a" "86ee754c080a157b9b23ae2f4cee742e31ea21ba3f47ec1243ec89909cd2a915"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/8ball-b0b3d074e1fc4a67
[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" "86ee754c080a157b9b23ae2f4cee742e31ea21ba3f47ec1243ec89909cd2a915"`
[INFO] running `"docker" "rm" "-f" "86ee754c080a157b9b23ae2f4cee742e31ea21ba3f47ec1243ec89909cd2a915"`
[INFO] [stdout] 86ee754c080a157b9b23ae2f4cee742e31ea21ba3f47ec1243ec89909cd2a915