[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-error-result
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-error-result
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result" "work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result"`
[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-result'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e541b7fc87efb0bcc7fbd2a9a98c11b6734b1cc9
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-error-result: e541b7fc87efb0bcc7fbd2a9a98c11b6734b1cc9
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-error-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 intrepion/example-x-rust-x-rustbyexample-com-x-error-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 intrepion/example-x-rust-x-rustbyexample-com-x-error-result
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-result
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-result written to work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-result
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-result
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-result written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-result/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-error-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 intrepion/example-x-rust-x-rustbyexample-com-x-error-result against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fca9e155645a745cad1fe8fd1c66ba4bfde7debb1c293001cf360752e47fd36f
[INFO] running `"docker" "start" "-a" "fca9e155645a745cad1fe8fd1c66ba4bfde7debb1c293001cf360752e47fd36f"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "fca9e155645a745cad1fe8fd1c66ba4bfde7debb1c293001cf360752e47fd36f"`
[INFO] running `"docker" "rm" "-f" "fca9e155645a745cad1fe8fd1c66ba4bfde7debb1c293001cf360752e47fd36f"`
[INFO] [stdout] fca9e155645a745cad1fe8fd1c66ba4bfde7debb1c293001cf360752e47fd36f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 08677c176a573789d18f5aed771725867ed03c923c6dc97dcd9f5507761e3d67
[INFO] running `"docker" "start" "-a" "08677c176a573789d18f5aed771725867ed03c923c6dc97dcd9f5507761e3d67"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "08677c176a573789d18f5aed771725867ed03c923c6dc97dcd9f5507761e3d67"`
[INFO] running `"docker" "rm" "-f" "08677c176a573789d18f5aed771725867ed03c923c6dc97dcd9f5507761e3d67"`
[INFO] [stdout] 08677c176a573789d18f5aed771725867ed03c923c6dc97dcd9f5507761e3d67
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 69d5e936492c501b3f3bd7e487c81c3ef525890f8b511e46dbd6c5ca80ad0f4e
[INFO] running `"docker" "start" "-a" "69d5e936492c501b3f3bd7e487c81c3ef525890f8b511e46dbd6c5ca80ad0f4e"`
[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_result-e3dffcb8b39fb946
[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" "69d5e936492c501b3f3bd7e487c81c3ef525890f8b511e46dbd6c5ca80ad0f4e"`
[INFO] running `"docker" "rm" "-f" "69d5e936492c501b3f3bd7e487c81c3ef525890f8b511e46dbd6c5ca80ad0f4e"`
[INFO] [stdout] 69d5e936492c501b3f3bd7e487c81c3ef525890f8b511e46dbd6c5ca80ad0f4e