[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bea8951e68a9121b6768852f35eefa7d33fc1f39
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then: bea8951e68a9121b6768852f35eefa7d33fc1f39
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then 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-and_then 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-and_then
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-error-and_then 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-and_then against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/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-and_then:/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] ee6d8d0ead9e1596cf8d61922132f9364a9d8c64ff35806564674b96f23a8805
[INFO] running `"docker" "start" "-a" "ee6d8d0ead9e1596cf8d61922132f9364a9d8c64ff35806564674b96f23a8805"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-and_then v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "ee6d8d0ead9e1596cf8d61922132f9364a9d8c64ff35806564674b96f23a8805"`
[INFO] running `"docker" "rm" "-f" "ee6d8d0ead9e1596cf8d61922132f9364a9d8c64ff35806564674b96f23a8805"`
[INFO] [stdout] ee6d8d0ead9e1596cf8d61922132f9364a9d8c64ff35806564674b96f23a8805
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/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-and_then:/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] f36a359a58c2cef0e115c87ce4649058d95381de7dff2559f1d73f6c3bb0d06e
[INFO] running `"docker" "start" "-a" "f36a359a58c2cef0e115c87ce4649058d95381de7dff2559f1d73f6c3bb0d06e"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-error-and_then v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "f36a359a58c2cef0e115c87ce4649058d95381de7dff2559f1d73f6c3bb0d06e"`
[INFO] running `"docker" "rm" "-f" "f36a359a58c2cef0e115c87ce4649058d95381de7dff2559f1d73f6c3bb0d06e"`
[INFO] [stdout] f36a359a58c2cef0e115c87ce4649058d95381de7dff2559f1d73f6c3bb0d06e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/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-and_then:/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] 59cdb2efebd980562755c02e639c9b30f8d23bd18001e2f36f9fba1f96357385
[INFO] running `"docker" "start" "-a" "59cdb2efebd980562755c02e639c9b30f8d23bd18001e2f36f9fba1f96357385"`
[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_and_then-862517008fff6cd9
[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" "59cdb2efebd980562755c02e639c9b30f8d23bd18001e2f36f9fba1f96357385"`
[INFO] running `"docker" "rm" "-f" "59cdb2efebd980562755c02e639c9b30f8d23bd18001e2f36f9fba1f96357385"`
[INFO] [stdout] 59cdb2efebd980562755c02e639c9b30f8d23bd18001e2f36f9fba1f96357385