[INFO] updating cached repository killercup/betabear
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/killercup/betabear
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/killercup/betabear" "work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/betabear"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/betabear'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/killercup/betabear" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/killercup/betabear"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/killercup/betabear'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0084a73e6f0f7fd363fab15f30118cad3c62ced
[INFO] sha for GitHub repo killercup/betabear: d0084a73e6f0f7fd363fab15f30118cad3c62ced
[INFO] validating manifest of killercup/betabear 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 killercup/betabear 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 killercup/betabear
[INFO] finished frobbing killercup/betabear
[INFO] frobbed toml for killercup/betabear written to work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/betabear/Cargo.toml
[INFO] started frobbing killercup/betabear
[INFO] finished frobbing killercup/betabear
[INFO] frobbed toml for killercup/betabear written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/killercup/betabear/Cargo.toml
[INFO] crate killercup/betabear 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/killercup/betabear/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[INFO] the lockfile is outdated, regenerating it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 killercup/betabear 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/betabear:/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] 5653abe2dc1c18a71c4e8aa885a09b8490c3c6547a720c3abc31b64807521797
[INFO] running `"docker" "start" "-a" "5653abe2dc1c18a71c4e8aa885a09b8490c3c6547a720c3abc31b64807521797"`
[INFO] [stderr]    Compiling betabear v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "5653abe2dc1c18a71c4e8aa885a09b8490c3c6547a720c3abc31b64807521797"`
[INFO] running `"docker" "rm" "-f" "5653abe2dc1c18a71c4e8aa885a09b8490c3c6547a720c3abc31b64807521797"`
[INFO] [stdout] 5653abe2dc1c18a71c4e8aa885a09b8490c3c6547a720c3abc31b64807521797
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/betabear:/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] 5f7e71831caafa1455d6de55b50d7645ce7f1329953bb642e33bcf0a248f5efe
[INFO] running `"docker" "start" "-a" "5f7e71831caafa1455d6de55b50d7645ce7f1329953bb642e33bcf0a248f5efe"`
[INFO] [stderr]    Compiling betabear v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "5f7e71831caafa1455d6de55b50d7645ce7f1329953bb642e33bcf0a248f5efe"`
[INFO] running `"docker" "rm" "-f" "5f7e71831caafa1455d6de55b50d7645ce7f1329953bb642e33bcf0a248f5efe"`
[INFO] [stdout] 5f7e71831caafa1455d6de55b50d7645ce7f1329953bb642e33bcf0a248f5efe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/betabear:/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] 321f1375332d5b857dfec7b62818dd6c06029a5fe16e05d8811a09ff021a9135
[INFO] running `"docker" "start" "-a" "321f1375332d5b857dfec7b62818dd6c06029a5fe16e05d8811a09ff021a9135"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/betabear-c18976c760e6182e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test find_in_order ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/betabear-879072d74f59c7c0
[INFO] [stdout] test find_trivial_word ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests betabear
[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 2 tests
[INFO] [stdout] test src/lib.rs - build_with_letters (line 5) ... ok
[INFO] [stdout] test src/lib.rs - search_for_words (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "321f1375332d5b857dfec7b62818dd6c06029a5fe16e05d8811a09ff021a9135"`
[INFO] running `"docker" "rm" "-f" "321f1375332d5b857dfec7b62818dd6c06029a5fe16e05d8811a09ff021a9135"`
[INFO] [stdout] 321f1375332d5b857dfec7b62818dd6c06029a5fe16e05d8811a09ff021a9135