[INFO] updating cached repository roqqq3/maze-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/roqqq3/maze-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/roqqq3/maze-generator" "work/ex/beta-1.38-1/sources/1.37.0/gh/roqqq3/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/roqqq3/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/roqqq3/maze-generator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roqqq3/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roqqq3/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f78255829bb26398e5178bb680196235d2c406f
[INFO] sha for GitHub repo roqqq3/maze-generator: 1f78255829bb26398e5178bb680196235d2c406f
[INFO] validating manifest of roqqq3/maze-generator 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 roqqq3/maze-generator 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 roqqq3/maze-generator
[INFO] finished frobbing roqqq3/maze-generator
[INFO] frobbed toml for roqqq3/maze-generator written to work/ex/beta-1.38-1/sources/1.37.0/gh/roqqq3/maze-generator/Cargo.toml
[INFO] started frobbing roqqq3/maze-generator
[INFO] finished frobbing roqqq3/maze-generator
[INFO] frobbed toml for roqqq3/maze-generator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roqqq3/maze-generator/Cargo.toml
[INFO] crate roqqq3/maze-generator 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 roqqq3/maze-generator 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/roqqq3/maze-generator:/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] 67df865a37780a0ef24c93b378b85c34d0e39d276f89194dbc8983a4ba5ee3c9
[INFO] running `"docker" "start" "-a" "67df865a37780a0ef24c93b378b85c34d0e39d276f89194dbc8983a4ba5ee3c9"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling smallbitvec v2.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mazegenerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `"docker" "inspect" "67df865a37780a0ef24c93b378b85c34d0e39d276f89194dbc8983a4ba5ee3c9"`
[INFO] running `"docker" "rm" "-f" "67df865a37780a0ef24c93b378b85c34d0e39d276f89194dbc8983a4ba5ee3c9"`
[INFO] [stdout] 67df865a37780a0ef24c93b378b85c34d0e39d276f89194dbc8983a4ba5ee3c9
[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/roqqq3/maze-generator:/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] 4833d7f075d8a933e58ba028fbb19fd77d53718408a1cc7353e408c9a5dd9107
[INFO] running `"docker" "start" "-a" "4833d7f075d8a933e58ba028fbb19fd77d53718408a1cc7353e408c9a5dd9107"`
[INFO] [stderr]    Compiling mazegenerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "4833d7f075d8a933e58ba028fbb19fd77d53718408a1cc7353e408c9a5dd9107"`
[INFO] running `"docker" "rm" "-f" "4833d7f075d8a933e58ba028fbb19fd77d53718408a1cc7353e408c9a5dd9107"`
[INFO] [stdout] 4833d7f075d8a933e58ba028fbb19fd77d53718408a1cc7353e408c9a5dd9107
[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/roqqq3/maze-generator:/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] 1f685cbe341ce5f2cf677379fc5b8ed808a1717e3e43438f732bec44ebba8850
[INFO] running `"docker" "start" "-a" "1f685cbe341ce5f2cf677379fc5b8ed808a1717e3e43438f732bec44ebba8850"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mazegenerator-5ec357ff426476d7
[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" "1f685cbe341ce5f2cf677379fc5b8ed808a1717e3e43438f732bec44ebba8850"`
[INFO] running `"docker" "rm" "-f" "1f685cbe341ce5f2cf677379fc5b8ed808a1717e3e43438f732bec44ebba8850"`
[INFO] [stdout] 1f685cbe341ce5f2cf677379fc5b8ed808a1717e3e43438f732bec44ebba8850