[INFO] fetching crate robust-binary-search 0.1.1...
[INFO] testing robust-binary-search-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate robust-binary-search 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate robust-binary-search 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee1a7c119cb705d883b5d015e22a06dbbc088ef4dc430aae69a536cd241d7f1a
[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" "ee1a7c119cb705d883b5d015e22a06dbbc088ef4dc430aae69a536cd241d7f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1a7c119cb705d883b5d015e22a06dbbc088ef4dc430aae69a536cd241d7f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1a7c119cb705d883b5d015e22a06dbbc088ef4dc430aae69a536cd241d7f1a", kill_on_drop: false }`
[INFO] [stdout] ee1a7c119cb705d883b5d015e22a06dbbc088ef4dc430aae69a536cd241d7f1a
[INFO] running `Command { std: "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" "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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17d2c27ab0572a8b6884da8310c53dd8fd60810a698c28baf379ddfa2649a1e
[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" "b17d2c27ab0572a8b6884da8310c53dd8fd60810a698c28baf379ddfa2649a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[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 sized-chunks v0.6.2
[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 18.57s
[INFO] running `Command { std: "docker" "inspect" "b17d2c27ab0572a8b6884da8310c53dd8fd60810a698c28baf379ddfa2649a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17d2c27ab0572a8b6884da8310c53dd8fd60810a698c28baf379ddfa2649a1e", kill_on_drop: false }`
[INFO] [stdout] b17d2c27ab0572a8b6884da8310c53dd8fd60810a698c28baf379ddfa2649a1e
[INFO] running `Command { std: "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" "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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0167d13d794e2067ed39c22939e852fef9cb1fea59a89312dfdb01a5218eab2
[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" "a0167d13d794e2067ed39c22939e852fef9cb1fea59a89312dfdb01a5218eab2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling robust-binary-search v0.1.1 (/opt/rustwide/workdir)
[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 3.53s
[INFO] running `Command { std: "docker" "inspect" "a0167d13d794e2067ed39c22939e852fef9cb1fea59a89312dfdb01a5218eab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0167d13d794e2067ed39c22939e852fef9cb1fea59a89312dfdb01a5218eab2", kill_on_drop: false }`
[INFO] [stdout] a0167d13d794e2067ed39c22939e852fef9cb1fea59a89312dfdb01a5218eab2
[INFO] running `Command { std: "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" "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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 887d1a4d2980fbcd46a98b720cd8f119a7fbd243b42eb2a70ffb9d8f7b09dd50
[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" "887d1a4d2980fbcd46a98b720cd8f119a7fbd243b42eb2a70ffb9d8f7b09dd50", kill_on_drop: false }`
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/robust_binary_search-1f64fa99bfcd1163)
[INFO] [stdout] running 72 tests
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_different_buckets ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_one_tail_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_tail ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::empty ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::hundred_heads_hundred_tails_not_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_different_buckets ... 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::one_head ... ok
[INFO] [stdout] test flakiness_tracker::tests::empty ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_sequential_segments ... 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::one_head_one_tail_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::flakiness_scan_one_index ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_hundred_tails_inverted ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_hundred_tails_not_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::one_head_one_tail_not_inverted ... 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_inverted ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::three_heads_join ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::two_heads_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_tails_same_bucket ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::half_inverted_join ... ok
[INFO] [stdout] test compressed_dag_flakiness_tracker::tests::flakiness_scan_two_indexes ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_hundred_tails_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_one_tail_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head_one_tail_not_inverted ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head_one_tail_same_bucket ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_tail ... ok
[INFO] [stdout] test dag::tests::ancestor_segments ... 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::two_tails_different_buckets ... ok
[INFO] [stdout] test dag::tests::remainder_ancestors ... ok
[INFO] [stdout] test flakiness_tracker::tests::two_tails_same_bucket ... ok
[INFO] [stdout] test range_map::tests::split ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_merge ... ok
[INFO] [stdout] test range_map::tests::range_for_index_empty ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_fork ... 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_parallel_last_last ... ok
[INFO] [stdout] test tests::graph_parallel_second_half ... ok
[INFO] [stdout] test tests::graph_two_elements_one ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_sequential_segments ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_singleton ... ok
[INFO] [stdout] test tests::graph_many_elements_last ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_parallel_unequal_segments2 ... ok
[INFO] [stdout] test tests::graph_parallel_first_first ... ok
[INFO] [stdout] test tests::graph_two_elements_zero ... ok
[INFO] [stdout] test tests::many_elements_first ... ok
[INFO] [stdout] test tests::one_element_one ... ok
[INFO] [stdout] test tests::graph_confidence_percentile_nearest_single_segment ... ok
[INFO] [stdout] test tests::one_element_zero ... ok
[INFO] [stdout] test tests::three_elements_three ... ok
[INFO] [stdout] test tests::three_elements_one ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head_one_tail_inverted ... ok
[INFO] [stdout] test flakiness_tracker::tests::one_head ... ok
[INFO] [stdout] test tests::two_elements_two ... ok
[INFO] [stdout] test tests::graph_parallel_first_half ... ok
[INFO] [stdout] test tests::two_elements_zero ... ok
[INFO] [stdout] test tests::graph_fork_join ... ok
[INFO] [stdout] test tests::graph_parallel_first_last ... ok
[INFO] [stdout] test tests::graph_parallel_last_first ... ok
[INFO] [stdout] test tests::two_elements_one ... ok
[INFO] [stdout] test tests::three_elements_zero ... ok
[INFO] [stdout] test tests::three_elements_two ... ok
[INFO] [stdout] test flakiness_tracker::tests::hundred_heads_same_bucket ... ok
[INFO] [stdout] test tests::many_elements_last ... 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] [stderr]    Doc-tests robust-binary-search
[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" "887d1a4d2980fbcd46a98b720cd8f119a7fbd243b42eb2a70ffb9d8f7b09dd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887d1a4d2980fbcd46a98b720cd8f119a7fbd243b42eb2a70ffb9d8f7b09dd50", kill_on_drop: false }`
[INFO] [stdout] 887d1a4d2980fbcd46a98b720cd8f119a7fbd243b42eb2a70ffb9d8f7b09dd50