[INFO] updating cached repository pa3ng/rust-option-result
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pa3ng/rust-option-result
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pa3ng/rust-option-result" "work/ex/beta-1.38-1/sources/1.37.0/gh/pa3ng/rust-option-result"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pa3ng/rust-option-result'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pa3ng/rust-option-result" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pa3ng/rust-option-result"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pa3ng/rust-option-result'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 732e7f61d487bc5204d617d4b8be44bffbe07865
[INFO] sha for GitHub repo pa3ng/rust-option-result: 732e7f61d487bc5204d617d4b8be44bffbe07865
[INFO] validating manifest of pa3ng/rust-option-result 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 pa3ng/rust-option-result 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 pa3ng/rust-option-result
[INFO] finished frobbing pa3ng/rust-option-result
[INFO] frobbed toml for pa3ng/rust-option-result written to work/ex/beta-1.38-1/sources/1.37.0/gh/pa3ng/rust-option-result/Cargo.toml
[INFO] started frobbing pa3ng/rust-option-result
[INFO] finished frobbing pa3ng/rust-option-result
[INFO] frobbed toml for pa3ng/rust-option-result written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pa3ng/rust-option-result/Cargo.toml
[INFO] crate pa3ng/rust-option-result 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 pa3ng/rust-option-result against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pa3ng/rust-option-result:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6cd2dfeb76661d567bfce94206c5fe73a58b53be8f10c6067d1731249b38064b
[INFO] running `"docker" "start" "-a" "6cd2dfeb76661d567bfce94206c5fe73a58b53be8f10c6067d1731249b38064b"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling rust-option-result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.42s
[INFO] running `"docker" "inspect" "6cd2dfeb76661d567bfce94206c5fe73a58b53be8f10c6067d1731249b38064b"`
[INFO] running `"docker" "rm" "-f" "6cd2dfeb76661d567bfce94206c5fe73a58b53be8f10c6067d1731249b38064b"`
[INFO] [stdout] 6cd2dfeb76661d567bfce94206c5fe73a58b53be8f10c6067d1731249b38064b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pa3ng/rust-option-result:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7d953472a0c8770ea838faf2d2c2b92fbed528e04d45ef88793a81b6bffb22a7
[INFO] running `"docker" "start" "-a" "7d953472a0c8770ea838faf2d2c2b92fbed528e04d45ef88793a81b6bffb22a7"`
[INFO] [stderr]    Compiling rust-option-result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "7d953472a0c8770ea838faf2d2c2b92fbed528e04d45ef88793a81b6bffb22a7"`
[INFO] running `"docker" "rm" "-f" "7d953472a0c8770ea838faf2d2c2b92fbed528e04d45ef88793a81b6bffb22a7"`
[INFO] [stdout] 7d953472a0c8770ea838faf2d2c2b92fbed528e04d45ef88793a81b6bffb22a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pa3ng/rust-option-result:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b739b4d45e3faad236d261fd9139dfab708cee72fadb08ef302eefa55edf93c9
[INFO] running `"docker" "start" "-a" "b739b4d45e3faad236d261fd9139dfab708cee72fadb08ef302eefa55edf93c9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_option_result-88b3df53926c75a0
[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" "b739b4d45e3faad236d261fd9139dfab708cee72fadb08ef302eefa55edf93c9"`
[INFO] running `"docker" "rm" "-f" "b739b4d45e3faad236d261fd9139dfab708cee72fadb08ef302eefa55edf93c9"`
[INFO] [stdout] b739b4d45e3faad236d261fd9139dfab708cee72fadb08ef302eefa55edf93c9