[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations" "work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e9afbefa3eb691e891cd68513c1d2448232443e
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations: 7e9afbefa3eb691e891cd68513c1d2448232443e
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations 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 intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations 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 intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations written to work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations 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 intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations:/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] f8f22a608ae1bc3e44f5c139e75049f2862331ea212d32611a96595219e06985
[INFO] running `"docker" "start" "-a" "f8f22a608ae1bc3e44f5c139e75049f2862331ea212d32611a96595219e06985"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "f8f22a608ae1bc3e44f5c139e75049f2862331ea212d32611a96595219e06985"`
[INFO] running `"docker" "rm" "-f" "f8f22a608ae1bc3e44f5c139e75049f2862331ea212d32611a96595219e06985"`
[INFO] [stdout] f8f22a608ae1bc3e44f5c139e75049f2862331ea212d32611a96595219e06985
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations:/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] fc8df7e575f324a2237d96979818950d4886028d7e0a1f7eb20e0fd7034e14f3
[INFO] running `"docker" "start" "-a" "fc8df7e575f324a2237d96979818950d4886028d7e0a1f7eb20e0fd7034e14f3"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "fc8df7e575f324a2237d96979818950d4886028d7e0a1f7eb20e0fd7034e14f3"`
[INFO] running `"docker" "rm" "-f" "fc8df7e575f324a2237d96979818950d4886028d7e0a1f7eb20e0fd7034e14f3"`
[INFO] [stdout] fc8df7e575f324a2237d96979818950d4886028d7e0a1f7eb20e0fd7034e14f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result-combinator_combinations:/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] 0f8949fea0df61cf1b9b3a104a620b987f3477ece5580dd5990d7ff7d5cd1653
[INFO] running `"docker" "start" "-a" "0f8949fea0df61cf1b9b3a104a620b987f3477ece5580dd5990d7ff7d5cd1653"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_error_option_with_result_combinator_combinations-06d049aa68506c69
[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" "0f8949fea0df61cf1b9b3a104a620b987f3477ece5580dd5990d7ff7d5cd1653"`
[INFO] running `"docker" "rm" "-f" "0f8949fea0df61cf1b9b3a104a620b987f3477ece5580dd5990d7ff7d5cd1653"`
[INFO] [stdout] 0f8949fea0df61cf1b9b3a104a620b987f3477ece5580dd5990d7ff7d5cd1653