[INFO] updating cached repository https://github.com/hjr3/building-better-interfaces
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 4d30913d5f3230f435fed75e13571d4164d6b5d3
[INFO] testing hjr3/building-better-interfaces against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjr3%2Fbuilding-better-interfaces" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hjr3/building-better-interfaces on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hjr3/building-better-interfaces
[INFO] finished tweaking git repo https://github.com/hjr3/building-better-interfaces
[INFO] tweaked toml for git repo https://github.com/hjr3/building-better-interfaces written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hjr3/building-better-interfaces already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fa0774f35d3299f730d0ea766711482482caf833ad7d1dda5e294fcbaade71cb
[INFO] running `"docker" "start" "-a" "fa0774f35d3299f730d0ea766711482482caf833ad7d1dda5e294fcbaade71cb"`
[INFO] [stderr]    Compiling building-better-interfaces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "fa0774f35d3299f730d0ea766711482482caf833ad7d1dda5e294fcbaade71cb"`
[INFO] running `"docker" "rm" "-f" "fa0774f35d3299f730d0ea766711482482caf833ad7d1dda5e294fcbaade71cb"`
[INFO] [stdout] fa0774f35d3299f730d0ea766711482482caf833ad7d1dda5e294fcbaade71cb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e026e9ad4665631b47f6c22c59bedd54e84d88447a66b73c532bb6b8aabee01
[INFO] running `"docker" "start" "-a" "4e026e9ad4665631b47f6c22c59bedd54e84d88447a66b73c532bb6b8aabee01"`
[INFO] [stderr]    Compiling building-better-interfaces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "4e026e9ad4665631b47f6c22c59bedd54e84d88447a66b73c532bb6b8aabee01"`
[INFO] running `"docker" "rm" "-f" "4e026e9ad4665631b47f6c22c59bedd54e84d88447a66b73c532bb6b8aabee01"`
[INFO] [stdout] 4e026e9ad4665631b47f6c22c59bedd54e84d88447a66b73c532bb6b8aabee01
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ef7e83385ae100c79f810ace2fb1828fd6dea8acee97048d7242511b4edc6a1f
[INFO] running `"docker" "start" "-a" "ef7e83385ae100c79f810ace2fb1828fd6dea8acee97048d7242511b4edc6a1f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/building_better_interfaces-b9de7d87ff3507c2
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test classroom::test::test_classroom_add_student ... ok
[INFO] [stdout] test courses::tests::test_courses_add_course ... ok
[INFO] [stdout] test name::tests::string_into_name_string ... ok
[INFO] [stdout] test classroom::test::test_classroom_add_student_fails ... ok
[INFO] [stdout] test name::tests::test_name_str_as_mut ... ok
[INFO] [stdout] test name::tests::test_name_cow ... ok
[INFO] [stdout] test name::tests::test_name_str_as_ref ... ok
[INFO] [stdout] test name::tests::test_name_str_given ... ok
[INFO] [stdout] test name::tests::test_name_str_into_name_string ... ok
[INFO] [stdout] test name::tests::test_name_str_family ... ok
[INFO] [stdout] test name::tests::test_name_str_into ... ok
[INFO] [stdout] test name::tests::test_name_str_to_name_string ... ok
[INFO] [stdout] test name::tests::test_name_str_to_owned ... ok
[INFO] [stdout] test name::tests::test_name_str_to_string ... ok
[INFO] [stdout] test name::tests::test_name_str_to_uppercase ... ok
[INFO] [stdout] test name::tests::test_name_str_try_into_err ... ok
[INFO] [stdout] test name::tests::test_name_str_try_into_ok ... ok
[INFO] [stdout] test name::tests::test_name_string_as_mut ... ok
[INFO] [stdout] test name::tests::test_name_string_as_mut_name_str ... ok
[INFO] [stdout] test name::tests::test_name_string_deref_mut ... ok
[INFO] [stdout] test name::tests::test_name_string_from_name_str ... ok
[INFO] [stdout] test name::tests::test_name_string_from_string ... ok
[INFO] [stdout] test name::tests::test_name_string_as_name_str ... ok
[INFO] [stdout] test name::tests::test_name_string_into ... ok
[INFO] [stdout] test name::tests::test_name_string_push ... ok
[INFO] [stdout] test name::tests::test_name_string_uppercase ... ok
[INFO] [stdout] test name::tests::test_name_try_from_err ... ok
[INFO] [stdout] test name::tests::test_name_string_into_string ... ok
[INFO] [stdout] test roster::tests::test_roster_add_name ... ok
[INFO] [stdout] test person::tests::test_person_new ... ok
[INFO] [stdout] test name::tests::test_name_try_from_ok ... ok
[INFO] [stdout] test student::tests::test_in_class_deref_name_str ... ok
[INFO] [stdout] test student::tests::test_student_state_changes ... ok
[INFO] [stdout] test student::tests::test_student_deref_name_str ... ok
[INFO] [stdout] test name::tests::test_name_string_as_ref ... ok
[INFO] [stdout] test name::tests::test_name_string_as_str ... ok
[INFO] [stdout] test name::tests::test_name_string_as_mut_str ... ok
[INFO] [stdout] test name::tests::test_name_string_deref ... ok
[INFO] [stdout] test name::tests::test_name_string_from_str ... ok
[INFO] [stdout] test name::tests::test_name_string_borrow ... ok
[INFO] [stdout] test name::tests::test_name_string_borrow_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests building-better-interfaces
[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" "ef7e83385ae100c79f810ace2fb1828fd6dea8acee97048d7242511b4edc6a1f"`
[INFO] running `"docker" "rm" "-f" "ef7e83385ae100c79f810ace2fb1828fd6dea8acee97048d7242511b4edc6a1f"`
[INFO] [stdout] ef7e83385ae100c79f810ace2fb1828fd6dea8acee97048d7242511b4edc6a1f