[INFO] cloning repository gmadrid/puzzgen
[INFO] running `"git" "clone" "--bare" "git://github.com/gmadrid/puzzgen.git" "work/cache/sources/gh/gmadrid/puzzgen"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/gmadrid/puzzgen'...
[INFO] running `"git" "clone" "work/cache/sources/gh/gmadrid/puzzgen" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/gmadrid/puzzgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/gmadrid/puzzgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gmadrid/puzzgen" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/gmadrid/puzzgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gmadrid/puzzgen on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gmadrid/puzzgen against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 1390ab1bd53db5cd3339bc0960826a69a0d5a04e016b921bf317c4164cc024bc
[INFO] running `"docker" "start" "-a" "1390ab1bd53db5cd3339bc0960826a69a0d5a04e016b921bf317c4164cc024bc"`
[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 7.15s
[INFO] running `"docker" "inspect" "1390ab1bd53db5cd3339bc0960826a69a0d5a04e016b921bf317c4164cc024bc"`
[INFO] running `"docker" "rm" "-f" "1390ab1bd53db5cd3339bc0960826a69a0d5a04e016b921bf317c4164cc024bc"`
[INFO] [stdout] 1390ab1bd53db5cd3339bc0960826a69a0d5a04e016b921bf317c4164cc024bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f2a7db8e1c3da033519536d605c711cdcc9b0af89ba15cadfc7a57414330cb89
[INFO] running `"docker" "start" "-a" "f2a7db8e1c3da033519536d605c711cdcc9b0af89ba15cadfc7a57414330cb89"`
[INFO] [stderr]    Compiling puzzgen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "f2a7db8e1c3da033519536d605c711cdcc9b0af89ba15cadfc7a57414330cb89"`
[INFO] running `"docker" "rm" "-f" "f2a7db8e1c3da033519536d605c711cdcc9b0af89ba15cadfc7a57414330cb89"`
[INFO] [stdout] f2a7db8e1c3da033519536d605c711cdcc9b0af89ba15cadfc7a57414330cb89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 2d15522c6e7503ecc8008dbed6a71850ccc9e1b83196e94d659c912b56a89d63
[INFO] running `"docker" "start" "-a" "2d15522c6e7503ecc8008dbed6a71850ccc9e1b83196e94d659c912b56a89d63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/puzzgen-8dbebadbd3a815a7
[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-e09cde43aea8f67c
[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" "2d15522c6e7503ecc8008dbed6a71850ccc9e1b83196e94d659c912b56a89d63"`
[INFO] running `"docker" "rm" "-f" "2d15522c6e7503ecc8008dbed6a71850ccc9e1b83196e94d659c912b56a89d63"`
[INFO] [stdout] 2d15522c6e7503ecc8008dbed6a71850ccc9e1b83196e94d659c912b56a89d63