[INFO] updating cached repository gmadrid/puzzgen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gmadrid/puzzgen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gmadrid/puzzgen" "work/ex/beta-1.37-6/sources/1.36.0/gh/gmadrid/puzzgen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gmadrid/puzzgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gmadrid/puzzgen" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gmadrid/puzzgen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gmadrid/puzzgen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa6a1bc7491872aed7eccf343bf23f0ae6ed21b4
[INFO] sha for GitHub repo gmadrid/puzzgen: fa6a1bc7491872aed7eccf343bf23f0ae6ed21b4
[INFO] validating manifest of gmadrid/puzzgen 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 gmadrid/puzzgen 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 gmadrid/puzzgen
[INFO] finished frobbing gmadrid/puzzgen
[INFO] frobbed toml for gmadrid/puzzgen written to work/ex/beta-1.37-6/sources/1.36.0/gh/gmadrid/puzzgen/Cargo.toml
[INFO] started frobbing gmadrid/puzzgen
[INFO] finished frobbing gmadrid/puzzgen
[INFO] frobbed toml for gmadrid/puzzgen written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gmadrid/puzzgen/Cargo.toml
[INFO] crate gmadrid/puzzgen 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gmadrid/puzzgen against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gmadrid/puzzgen:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8fdd3b909702545cc5eda4ff94d574a8637bf1383d59fc46a843df81ea65377a
[INFO] running `"docker" "start" "-a" "8fdd3b909702545cc5eda4ff94d574a8637bf1383d59fc46a843df81ea65377a"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling puzzgen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.54s
[INFO] running `"docker" "inspect" "8fdd3b909702545cc5eda4ff94d574a8637bf1383d59fc46a843df81ea65377a"`
[INFO] running `"docker" "rm" "-f" "8fdd3b909702545cc5eda4ff94d574a8637bf1383d59fc46a843df81ea65377a"`
[INFO] [stdout] 8fdd3b909702545cc5eda4ff94d574a8637bf1383d59fc46a843df81ea65377a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gmadrid/puzzgen:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a782bd4ca16ca9bb35eb779db41f609ab03fdd046d9aaa22f0dec7e2da436b62
[INFO] running `"docker" "start" "-a" "a782bd4ca16ca9bb35eb779db41f609ab03fdd046d9aaa22f0dec7e2da436b62"`
[INFO] [stderr]    Compiling puzzgen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "a782bd4ca16ca9bb35eb779db41f609ab03fdd046d9aaa22f0dec7e2da436b62"`
[INFO] running `"docker" "rm" "-f" "a782bd4ca16ca9bb35eb779db41f609ab03fdd046d9aaa22f0dec7e2da436b62"`
[INFO] [stdout] a782bd4ca16ca9bb35eb779db41f609ab03fdd046d9aaa22f0dec7e2da436b62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gmadrid/puzzgen:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e877f5abc330cefee407c7687f32918cdb5c60150cf60c9f34cace841d18b07e
[INFO] running `"docker" "start" "-a" "e877f5abc330cefee407c7687f32918cdb5c60150cf60c9f34cace841d18b07e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/puzzgen-1dcb40acd77b5d4d
[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] [stderr]      Running /opt/crater/target/debug/deps/puzzgen-9c2e6ce2e4bc595e
[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] [stderr]    Doc-tests puzzgen
[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" "e877f5abc330cefee407c7687f32918cdb5c60150cf60c9f34cace841d18b07e"`
[INFO] running `"docker" "rm" "-f" "e877f5abc330cefee407c7687f32918cdb5c60150cf60c9f34cace841d18b07e"`
[INFO] [stdout] e877f5abc330cefee407c7687f32918cdb5c60150cf60c9f34cace841d18b07e