[INFO] updating cached repository subaqua/rust-guess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/subaqua/rust-guess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/subaqua/rust-guess" "work/ex/beta-1.37-6/sources/1.36.0/gh/subaqua/rust-guess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/subaqua/rust-guess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/subaqua/rust-guess" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/subaqua/rust-guess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/subaqua/rust-guess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27f9f6bcc5d0c9168da730ef4b2f3837b42c4dfd
[INFO] sha for GitHub repo subaqua/rust-guess: 27f9f6bcc5d0c9168da730ef4b2f3837b42c4dfd
[INFO] validating manifest of subaqua/rust-guess 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 subaqua/rust-guess 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 subaqua/rust-guess
[INFO] finished frobbing subaqua/rust-guess
[INFO] frobbed toml for subaqua/rust-guess written to work/ex/beta-1.37-6/sources/1.36.0/gh/subaqua/rust-guess/Cargo.toml
[INFO] started frobbing subaqua/rust-guess
[INFO] finished frobbing subaqua/rust-guess
[INFO] frobbed toml for subaqua/rust-guess written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/subaqua/rust-guess/Cargo.toml
[INFO] crate subaqua/rust-guess 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/subaqua/rust-guess/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 subaqua/rust-guess 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/subaqua/rust-guess:/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] eff60e9eeff21305988e8ad686162084f1e67a42d509d24ee276581936af0b32
[INFO] running `"docker" "start" "-a" "eff60e9eeff21305988e8ad686162084f1e67a42d509d24ee276581936af0b32"`
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "eff60e9eeff21305988e8ad686162084f1e67a42d509d24ee276581936af0b32"`
[INFO] running `"docker" "rm" "-f" "eff60e9eeff21305988e8ad686162084f1e67a42d509d24ee276581936af0b32"`
[INFO] [stdout] eff60e9eeff21305988e8ad686162084f1e67a42d509d24ee276581936af0b32
[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/subaqua/rust-guess:/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] 46840cb7d50d2294a4ccbff26bc3ed9dab0ae1dd83cf60c511dec65151a1cb10
[INFO] running `"docker" "start" "-a" "46840cb7d50d2294a4ccbff26bc3ed9dab0ae1dd83cf60c511dec65151a1cb10"`
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "46840cb7d50d2294a4ccbff26bc3ed9dab0ae1dd83cf60c511dec65151a1cb10"`
[INFO] running `"docker" "rm" "-f" "46840cb7d50d2294a4ccbff26bc3ed9dab0ae1dd83cf60c511dec65151a1cb10"`
[INFO] [stdout] 46840cb7d50d2294a4ccbff26bc3ed9dab0ae1dd83cf60c511dec65151a1cb10
[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/subaqua/rust-guess:/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] e1310595b5fbf6a2445adab94aedc87db95bf53d42800384ece15b543889d96b
[INFO] running `"docker" "start" "-a" "e1310595b5fbf6a2445adab94aedc87db95bf53d42800384ece15b543889d96b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guess-7bbe2acd5f29b5a8
[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" "e1310595b5fbf6a2445adab94aedc87db95bf53d42800384ece15b543889d96b"`
[INFO] running `"docker" "rm" "-f" "e1310595b5fbf6a2445adab94aedc87db95bf53d42800384ece15b543889d96b"`
[INFO] [stdout] e1310595b5fbf6a2445adab94aedc87db95bf53d42800384ece15b543889d96b