[INFO] fetching crate robust-binary-search 0.1.1...
[INFO] testing robust-binary-search-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate robust-binary-search 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate robust-binary-search 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate robust-binary-search 0.1.1
[INFO] finished tweaking crates.io crate robust-binary-search 0.1.1
[INFO] tweaked toml for crates.io crate robust-binary-search 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate robust-binary-search 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ccbc2d26ec906816a519adcfec9244f2bf0fd6043113ea7922555884daca74d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ccbc2d26ec906816a519adcfec9244f2bf0fd6043113ea7922555884daca74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ccbc2d26ec906816a519adcfec9244f2bf0fd6043113ea7922555884daca74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccbc2d26ec906816a519adcfec9244f2bf0fd6043113ea7922555884daca74d", kill_on_drop: false }`
[INFO] [stdout] 9ccbc2d26ec906816a519adcfec9244f2bf0fd6043113ea7922555884daca74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d3a4fe0e5b6e6b93c35e8f1334bf25f2616ecd5b36fc61e4214e77f68b92f0d
[INFO] running `Command { std: "docker" "start" "-a" "7d3a4fe0e5b6e6b93c35e8f1334bf25f2616ecd5b36fc61e4214e77f68b92f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling robust-binary-search v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/range_map.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "7d3a4fe0e5b6e6b93c35e8f1334bf25f2616ecd5b36fc61e4214e77f68b92f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3a4fe0e5b6e6b93c35e8f1334bf25f2616ecd5b36fc61e4214e77f68b92f0d", kill_on_drop: false }`
[INFO] [stdout] 7d3a4fe0e5b6e6b93c35e8f1334bf25f2616ecd5b36fc61e4214e77f68b92f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c5c2fb026538b8d4c949f743feaae48d6adecac332cc5fddde3a6baffcf614f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c5c2fb026538b8d4c949f743feaae48d6adecac332cc5fddde3a6baffcf614f", kill_on_drop: false }`
[INFO] [stderr]    Compiling robust-binary-search v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/range_map.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/range_map.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "2c5c2fb026538b8d4c949f743feaae48d6adecac332cc5fddde3a6baffcf614f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5c2fb026538b8d4c949f743feaae48d6adecac332cc5fddde3a6baffcf614f", kill_on_drop: false }`
[INFO] [stdout] 2c5c2fb026538b8d4c949f743feaae48d6adecac332cc5fddde3a6baffcf614f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5aba356cdc21729710c1df499db3c6a9360d378fdf5410707ce2440d96b0cc75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5aba356cdc21729710c1df499db3c6a9360d378fdf5410707ce2440d96b0cc75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `offset`
[INFO] [stderr]   --> src/range_map.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn offset(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `robust-binary-search` (lib) generated 1 warning
[INFO] [stderr] warning: `robust-binary-search` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/robust_binary_search-1d0c1122c1d0016c)
[INFO] [stdout] 
[INFO] [stdout] running 72 tests
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::empty ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_one_tail_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::half_inverted_join ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head_one_tail_not_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::three_heads_join ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_parallel_segments ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head_one_tail_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_different_buckets ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_different_buckets ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_tails_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_tails_different_buckets ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_sequential_segments ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_same_bucket ... ok
[INFO] [stdout] test dag::tests::remainder_ancestors ... ok
[INFO] [stdout] test dag::tests::ancestor_segments ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_hundred_tails_inverted ... ok
[INFO] [stdout] test flakiness_tracker::tests::empty ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_hundred_tails_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head_one_tail_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head_one_tail_sequential_segments_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_inverted ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head_one_tail_not_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_not_inverted ... ok
[INFO] [stdout] test flakiness_tracker::tests::two_heads_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::two_heads_different_buckets ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_tail ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head_one_tail_same_bucket ... ok
[INFO] [stdout] test range_map::tests::split ... ok
[INFO] [stdout] test range_map::tests::range_for_index_empty ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_hundred_tails_not_inverted ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_fork ... ok
[INFO] [stdout] test flakiness_tracker::tests::two_tails_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::two_tails_different_buckets ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_parallel_segments ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_parallel_unequal_segments ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_merge ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_parallel_unequal_segments2 ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_single_segment ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_sequential_segments ... ok
[INFO] [stdout] test tests::graph_fork_join ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_singleton ... ok
[INFO] [stdout] test tests::graph_parallel_first_half ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_one_tail_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_same_bucket ... ok
[INFO] [stdout] test tests::graph_parallel_first_first ... ok
[INFO] [stdout] test tests::graph_parallel_last_last ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head ... ok
[INFO] [stdout] test tests::graph_two_elements_one ... ok
[INFO] [stdout] test tests::graph_parallel_second_half ... ok
[INFO] [stdout] test tests::graph_parallel_first_last ... ok
[INFO] [stdout] test tests::one_element_one ... ok
[INFO] [stdout] test tests::one_element_zero ... ok
[INFO] [stdout] test tests::three_elements_two ... ok
[INFO] [stdout] test tests::three_elements_three ... ok
[INFO] [stdout] test tests::graph_parallel_last_first ... ok
[INFO] [stdout] test tests::three_elements_zero ... ok
[INFO] [stdout] test tests::graph_two_elements_zero ... ok
[INFO] [stdout] test tests::graph_many_elements_last ... ok
[INFO] [stdout] test tests::two_elements_one ... ok
[INFO] [stdout] test tests::two_elements_zero ... ok
[INFO] [stdout] test tests::three_elements_one ... ok
[INFO] [stdout] test tests::many_elements_last ... ok
[INFO] [stdout] test tests::many_elements_first ... ok
[INFO] [stdout] test tests::two_elements_two ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head_one_tail_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_tail ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head_one_tail_sequential_segments_not_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::flakiness_scan_two_indexes ... ok
[INFO] [stderr]    Doc-tests robust-binary-search
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::flakiness_scan_one_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5aba356cdc21729710c1df499db3c6a9360d378fdf5410707ce2440d96b0cc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aba356cdc21729710c1df499db3c6a9360d378fdf5410707ce2440d96b0cc75", kill_on_drop: false }`
[INFO] [stdout] 5aba356cdc21729710c1df499db3c6a9360d378fdf5410707ce2440d96b0cc75