[INFO] updating cached repository vinikira/guessing-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vinikira/guessing-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vinikira/guessing-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/vinikira/guessing-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vinikira/guessing-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vinikira/guessing-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vinikira/guessing-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vinikira/guessing-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1cf16e1cb15f82b3382133e2ea188dfde29ea37e
[INFO] sha for GitHub repo vinikira/guessing-rust: 1cf16e1cb15f82b3382133e2ea188dfde29ea37e
[INFO] validating manifest of vinikira/guessing-rust 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 vinikira/guessing-rust 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 vinikira/guessing-rust
[INFO] finished frobbing vinikira/guessing-rust
[INFO] frobbed toml for vinikira/guessing-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/vinikira/guessing-rust/Cargo.toml
[INFO] started frobbing vinikira/guessing-rust
[INFO] finished frobbing vinikira/guessing-rust
[INFO] frobbed toml for vinikira/guessing-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vinikira/guessing-rust/Cargo.toml
[INFO] crate vinikira/guessing-rust 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 vinikira/guessing-rust 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-3/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/vinikira/guessing-rust:/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] 22283a48107e8b4fa0e9f14bd96f1b9cb7d95c149e7fe91dedd9ebeec2921c75
[INFO] running `"docker" "start" "-a" "22283a48107e8b4fa0e9f14bd96f1b9cb7d95c149e7fe91dedd9ebeec2921c75"`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "22283a48107e8b4fa0e9f14bd96f1b9cb7d95c149e7fe91dedd9ebeec2921c75"`
[INFO] running `"docker" "rm" "-f" "22283a48107e8b4fa0e9f14bd96f1b9cb7d95c149e7fe91dedd9ebeec2921c75"`
[INFO] [stdout] 22283a48107e8b4fa0e9f14bd96f1b9cb7d95c149e7fe91dedd9ebeec2921c75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/vinikira/guessing-rust:/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] 0530bc2b8286b29c885bff33098643c194feea0c6d02d7ca3372a1c54ef51e3f
[INFO] running `"docker" "start" "-a" "0530bc2b8286b29c885bff33098643c194feea0c6d02d7ca3372a1c54ef51e3f"`
[INFO] [stderr]    Compiling guessing-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "0530bc2b8286b29c885bff33098643c194feea0c6d02d7ca3372a1c54ef51e3f"`
[INFO] running `"docker" "rm" "-f" "0530bc2b8286b29c885bff33098643c194feea0c6d02d7ca3372a1c54ef51e3f"`
[INFO] [stdout] 0530bc2b8286b29c885bff33098643c194feea0c6d02d7ca3372a1c54ef51e3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/vinikira/guessing-rust:/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] f4d6ca21a24bc5e4dfd602b839ce2d69602252fa30990949bd452be543efd774
[INFO] running `"docker" "start" "-a" "f4d6ca21a24bc5e4dfd602b839ce2d69602252fa30990949bd452be543efd774"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_rust-cc9c001afacaae12
[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" "f4d6ca21a24bc5e4dfd602b839ce2d69602252fa30990949bd452be543efd774"`
[INFO] running `"docker" "rm" "-f" "f4d6ca21a24bc5e4dfd602b839ce2d69602252fa30990949bd452be543efd774"`
[INFO] [stdout] f4d6ca21a24bc5e4dfd602b839ce2d69602252fa30990949bd452be543efd774