[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_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-option_with_result
[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" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6894e75925fd90b8cd3b34c331c034da4cd25b0
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result: e6894e75925fd90b8cd3b34c331c034da4cd25b0
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_result against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 262ba692f8dc0ed2956f5c15bad9ed15a37814efb0ada0079db3b9f4222ff32c
[INFO] running `"docker" "start" "-a" "262ba692f8dc0ed2956f5c15bad9ed15a37814efb0ada0079db3b9f4222ff32c"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-option_with_result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "262ba692f8dc0ed2956f5c15bad9ed15a37814efb0ada0079db3b9f4222ff32c"`
[INFO] running `"docker" "rm" "-f" "262ba692f8dc0ed2956f5c15bad9ed15a37814efb0ada0079db3b9f4222ff32c"`
[INFO] [stdout] 262ba692f8dc0ed2956f5c15bad9ed15a37814efb0ada0079db3b9f4222ff32c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a163f15173aaa7933e5065d8759de9f9b9dfb197af0f37cb38319ff729456f76
[INFO] running `"docker" "start" "-a" "a163f15173aaa7933e5065d8759de9f9b9dfb197af0f37cb38319ff729456f76"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-option_with_result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "a163f15173aaa7933e5065d8759de9f9b9dfb197af0f37cb38319ff729456f76"`
[INFO] running `"docker" "rm" "-f" "a163f15173aaa7933e5065d8759de9f9b9dfb197af0f37cb38319ff729456f76"`
[INFO] [stdout] a163f15173aaa7933e5065d8759de9f9b9dfb197af0f37cb38319ff729456f76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-option_with_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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 91f06874cb9680aefa6426d60a13b52989eaf6b630566e55f99219ec5bcf61db
[INFO] running `"docker" "start" "-a" "91f06874cb9680aefa6426d60a13b52989eaf6b630566e55f99219ec5bcf61db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_error_option_with_result-9edf98507c8ae789
[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" "91f06874cb9680aefa6426d60a13b52989eaf6b630566e55f99219ec5bcf61db"`
[INFO] running `"docker" "rm" "-f" "91f06874cb9680aefa6426d60a13b52989eaf6b630566e55f99219ec5bcf61db"`
[INFO] [stdout] 91f06874cb9680aefa6426d60a13b52989eaf6b630566e55f99219ec5bcf61db