[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 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-5/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 86ba2de188cd8d73b0d37dc00eee7c342faa17435a59ae76034ae19a8e16dccd
[INFO] running `"docker" "start" "-a" "86ba2de188cd8d73b0d37dc00eee7c342faa17435a59ae76034ae19a8e16dccd"`
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling puzzgen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `"docker" "inspect" "86ba2de188cd8d73b0d37dc00eee7c342faa17435a59ae76034ae19a8e16dccd"`
[INFO] running `"docker" "rm" "-f" "86ba2de188cd8d73b0d37dc00eee7c342faa17435a59ae76034ae19a8e16dccd"`
[INFO] [stdout] 86ba2de188cd8d73b0d37dc00eee7c342faa17435a59ae76034ae19a8e16dccd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73ed1d845164a05f423d4b9a58f54f01ac8979a151a07bb38752d9a02d1086a0
[INFO] running `"docker" "start" "-a" "73ed1d845164a05f423d4b9a58f54f01ac8979a151a07bb38752d9a02d1086a0"`
[INFO] [stderr]    Compiling puzzgen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "73ed1d845164a05f423d4b9a58f54f01ac8979a151a07bb38752d9a02d1086a0"`
[INFO] running `"docker" "rm" "-f" "73ed1d845164a05f423d4b9a58f54f01ac8979a151a07bb38752d9a02d1086a0"`
[INFO] [stdout] 73ed1d845164a05f423d4b9a58f54f01ac8979a151a07bb38752d9a02d1086a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9ff66a2f8712ac0deddfe0cf640528e35322934798e4d8bbec5768a904118c6e
[INFO] running `"docker" "start" "-a" "9ff66a2f8712ac0deddfe0cf640528e35322934798e4d8bbec5768a904118c6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/puzzgen-e1a0eb031d26f86a
[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-4227f22712945220
[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" "9ff66a2f8712ac0deddfe0cf640528e35322934798e4d8bbec5768a904118c6e"`
[INFO] running `"docker" "rm" "-f" "9ff66a2f8712ac0deddfe0cf640528e35322934798e4d8bbec5768a904118c6e"`
[INFO] [stdout] 9ff66a2f8712ac0deddfe0cf640528e35322934798e4d8bbec5768a904118c6e