[INFO] updating cached repository https://github.com/yminachi/rust-katas
[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] 4ac6afe057837b7d9b77176fc5f18648bfd8ddb3
[INFO] testing yminachi/rust-katas against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyminachi%2Frust-katas" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yminachi/rust-katas 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/yminachi/rust-katas
[INFO] finished tweaking git repo https://github.com/yminachi/rust-katas
[INFO] tweaked toml for git repo https://github.com/yminachi/rust-katas written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/yminachi/rust-katas 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b9cf80c54ab3d2ed1f8632f6c7edbf23dfbfed18607e423cea10d79ecaf1b6d5
[INFO] running `"docker" "start" "-a" "b9cf80c54ab3d2ed1f8632f6c7edbf23dfbfed18607e423cea10d79ecaf1b6d5"`
[INFO] [stderr]    Compiling rust-katas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `hourly_rate`
[INFO] [stderr]  --> src/babysitter.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     hourly_rate: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hour_rate_ends`
[INFO] [stderr]  --> src/babysitter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     hour_rate_ends: u32
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_total_sitter_payment`
[INFO] [stderr]   --> src/babysitter.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn calculate_total_sitter_payment(start_time: u32, end_time: u32, rates: &[Rate]) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort_rates_by_end_time`
[INFO] [stderr]   --> src/babysitter.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn sort_rates_by_end_time(rates: &[Rate]) -> Vec<Rate> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hour_including_next_day`
[INFO] [stderr]   --> src/babysitter.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn hour_including_next_day(hour: u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_rate_coverage`
[INFO] [stderr]   --> src/babysitter.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn validate_rate_coverage(current_hour: u32, effective_end_time: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_start_end_times`
[INFO] [stderr]   --> src/babysitter.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn validate_start_end_times(start_time: u32, end_time: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pencil`
[INFO] [stderr]  --> src/pencil.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Pencil {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pencil.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(max_durability: u32, length: u32, eraser_durability: u32) -> Pencil {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/pencil.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn write(&mut self, string: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sharpen`
[INFO] [stderr]   --> src/pencil.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn sharpen(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `erase`
[INFO] [stderr]   --> src/pencil.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn erase(&mut self, word: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "b9cf80c54ab3d2ed1f8632f6c7edbf23dfbfed18607e423cea10d79ecaf1b6d5"`
[INFO] running `"docker" "rm" "-f" "b9cf80c54ab3d2ed1f8632f6c7edbf23dfbfed18607e423cea10d79ecaf1b6d5"`
[INFO] [stdout] b9cf80c54ab3d2ed1f8632f6c7edbf23dfbfed18607e423cea10d79ecaf1b6d5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 722330c1c0564bf153b7247733c683e280208315e9c65194be8205044a398544
[INFO] running `"docker" "start" "-a" "722330c1c0564bf153b7247733c683e280208315e9c65194be8205044a398544"`
[INFO] [stderr]    Compiling rust-katas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `"docker" "inspect" "722330c1c0564bf153b7247733c683e280208315e9c65194be8205044a398544"`
[INFO] running `"docker" "rm" "-f" "722330c1c0564bf153b7247733c683e280208315e9c65194be8205044a398544"`
[INFO] [stdout] 722330c1c0564bf153b7247733c683e280208315e9c65194be8205044a398544
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 15f36b66869c2960277e0fa141960a7da8d9516ed3f7006315ba8fb9ca4ba2de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "15f36b66869c2960277e0fa141960a7da8d9516ed3f7006315ba8fb9ca4ba2de"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_katas-cb2a485f69a4c885
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test babysitter::test::given_am_start_time_and_single_rate_returns_total ... ok
[INFO] [stdout] test babysitter::test::given_multiple_rates_returns_total ... ok
[INFO] [stdout] test babysitter::test::given_multiple_rates_not_in_chronological_order_returns_total ... ok
[INFO] [stdout] test babysitter::test::given_pm_end_time_and_single_rate_returns_total ... ok
[INFO] [stdout] test babysitter::test::given_valid_times_and_single_rate_returns_total ... ok
[INFO] [stdout] test pencil::test::given_durability_runs_out_writes_spaces_instead_of_text ... ok
[INFO] [stdout] test pencil::test::given_not_enough_durability_when_erasing_starts_from_end_of_word ... ok
[INFO] [stdout] test pencil::test::given_existing_text_when_erasing_replaces_last_instance_with_spaces_word ... ok
[INFO] [stdout] test pencil::test::given_durability_runs_out_then_can_sharpen_to_max ... ok
[INFO] [stdout] test pencil::test::given_pencil_with_no_length_when_sharpened_then_does_not_restore_durability ... ok
[INFO] [stdout] test pencil::test::given_string_with_capital_letters_when_writes_then_lowers_durability_by_two ... ok
[INFO] [stdout] test pencil::test::given_string_then_writes_to_page ... ok
[INFO] [stdout] test pencil::test::given_string_with_no_spaces_when_writes_then_lowers_durability ... ok
[INFO] [stdout] test pencil::test::when_erasing_depletes_eraser_durability ... ok
[INFO] [stdout] test pencil::test::given_string_with_whitespace_when_writes_then_lowers_durability_for_only_text ... ok
[INFO] [stdout] test pencil::test::given_subsequent_writes_then_appends_string ... ok
[INFO] [stdout] test pencil::test::when_sharpened_then_reduces_length ... ok
[INFO] [stdout] test babysitter::test::given_incomplete_rates_then_panics ... ok
[INFO] [stdout] test babysitter::test::given_invalid_end_time_then_panics ... ok
[INFO] [stdout] test babysitter::test::given_invalid_start_time_then_panics ... ok
[INFO] [stdout] test babysitter::test::given_start_time_after_end_time_then_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "15f36b66869c2960277e0fa141960a7da8d9516ed3f7006315ba8fb9ca4ba2de"`
[INFO] running `"docker" "rm" "-f" "15f36b66869c2960277e0fa141960a7da8d9516ed3f7006315ba8fb9ca4ba2de"`
[INFO] [stdout] 15f36b66869c2960277e0fa141960a7da8d9516ed3f7006315ba8fb9ca4ba2de