[INFO] updating cached repository https://github.com/scttcper/wcwidth.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07e4ce51b4382809ec52bbb16839023ad8d33ed0
[INFO] testing scttcper/wcwidth.rs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scttcper/wcwidth.rs on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scttcper/wcwidth.rs
[INFO] finished tweaking git repo https://github.com/scttcper/wcwidth.rs
[INFO] tweaked toml for git repo https://github.com/scttcper/wcwidth.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/scttcper/wcwidth.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5016687920fa61f5f9d1b8f895ea713a3f80bedb2e115d034a0a730be9b257d3
[INFO] running `"docker" "start" "-a" "5016687920fa61f5f9d1b8f895ea713a3f80bedb2e115d034a0a730be9b257d3"`
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling wcwidth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "5016687920fa61f5f9d1b8f895ea713a3f80bedb2e115d034a0a730be9b257d3"`
[INFO] running `"docker" "rm" "-f" "5016687920fa61f5f9d1b8f895ea713a3f80bedb2e115d034a0a730be9b257d3"`
[INFO] [stdout] 5016687920fa61f5f9d1b8f895ea713a3f80bedb2e115d034a0a730be9b257d3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 725d157379769e4b6488c65eb9425fdc3ab080d29a553d4ce771b3ee15111603
[INFO] running `"docker" "start" "-a" "725d157379769e4b6488c65eb9425fdc3ab080d29a553d4ce771b3ee15111603"`
[INFO] [stderr]    Compiling wcwidth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "725d157379769e4b6488c65eb9425fdc3ab080d29a553d4ce771b3ee15111603"`
[INFO] running `"docker" "rm" "-f" "725d157379769e4b6488c65eb9425fdc3ab080d29a553d4ce771b3ee15111603"`
[INFO] [stdout] 725d157379769e4b6488c65eb9425fdc3ab080d29a553d4ce771b3ee15111603
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 500dd8b33e5a98faa15f3c0afe7bce05b5cad5fe7fa7f867c4872166e883076e
[INFO] running `"docker" "start" "-a" "500dd8b33e5a98faa15f3c0afe7bce05b5cad5fe7fa7f867c4872166e883076e"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wcwidth-dd2c1a2649c66e6a
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tests-ac899c694a130b7b
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::exploration ... ok
[INFO] [stdout] test test::regular_strings ... ok
[INFO] [stdout] test test::ignore_null_charcode ... ok
[INFO] [stdout] test test::ignore_bad_input ... ok
[INFO] [stdout] test test::custom_value_for_nul ... ok
[INFO] [stderr]    Doc-tests wcwidth
[INFO] [stdout] test test::multibyte_characters_with_regular_characters ... ok
[INFO] [stdout] test test::custom_value_for_control ... ok
[INFO] [stdout] test test::negative_custom_value_for_control ... ok
[INFO] [stdout] test test::ignore_mixed_nulls_and_chars ... ok
[INFO] [stdout] test test::multibyte_strings ... ok
[INFO] [stdout] test test::ignore_control_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "500dd8b33e5a98faa15f3c0afe7bce05b5cad5fe7fa7f867c4872166e883076e"`
[INFO] running `"docker" "rm" "-f" "500dd8b33e5a98faa15f3c0afe7bce05b5cad5fe7fa7f867c4872166e883076e"`
[INFO] [stdout] 500dd8b33e5a98faa15f3c0afe7bce05b5cad5fe7fa7f867c4872166e883076e