[INFO] fetching crate nested_intervals 0.2.2...
[INFO] testing nested_intervals-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nested_intervals 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nested_intervals 0.2.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nested_intervals 0.2.2
[INFO] finished tweaking crates.io crate nested_intervals 0.2.2
[INFO] tweaked toml for crates.io crate nested_intervals 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b593f85138daad9270f53b318221fc1f4ba16a6ef39d90ce3f7911f79013bc0
[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" "9b593f85138daad9270f53b318221fc1f4ba16a6ef39d90ce3f7911f79013bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b593f85138daad9270f53b318221fc1f4ba16a6ef39d90ce3f7911f79013bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b593f85138daad9270f53b318221fc1f4ba16a6ef39d90ce3f7911f79013bc0", kill_on_drop: false }`
[INFO] [stdout] 9b593f85138daad9270f53b318221fc1f4ba16a6ef39d90ce3f7911f79013bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ee34c2397b854b896e0ebde89d30237ac47752989b58f7a4c56e3413570f08
[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" "90ee34c2397b854b896e0ebde89d30237ac47752989b58f7a4c56e3413570f08", kill_on_drop: false }`
[INFO] [stderr]    Compiling nested_intervals v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:809:9
[INFO] [stdout]     |
[INFO] [stdout] 809 |         (self.start < other.end && other.start < self.end && other.start < other.end)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 2.04s
[INFO] running `Command { std: "docker" "inspect" "90ee34c2397b854b896e0ebde89d30237ac47752989b58f7a4c56e3413570f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ee34c2397b854b896e0ebde89d30237ac47752989b58f7a4c56e3413570f08", kill_on_drop: false }`
[INFO] [stdout] 90ee34c2397b854b896e0ebde89d30237ac47752989b58f7a4c56e3413570f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e062553134e446b4a0c362c4a9323981f48772a66cfdd365a6081ebc1eb764a
[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" "1e062553134e446b4a0c362c4a9323981f48772a66cfdd365a6081ebc1eb764a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nested_intervals v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:809:9
[INFO] [stdout]     |
[INFO] [stdout] 809 |         (self.start < other.end && other.start < self.end && other.start < other.end)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:809:9
[INFO] [stdout]     |
[INFO] [stdout] 809 |         (self.start < other.end && other.start < self.end && other.start < other.end)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 3.49s
[INFO] running `Command { std: "docker" "inspect" "1e062553134e446b4a0c362c4a9323981f48772a66cfdd365a6081ebc1eb764a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e062553134e446b4a0c362c4a9323981f48772a66cfdd365a6081ebc1eb764a", kill_on_drop: false }`
[INFO] [stdout] 1e062553134e446b4a0c362c4a9323981f48772a66cfdd365a6081ebc1eb764a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0fac7d9b64ee4a9d2657b6a8ef092ce2a4f9fbf1acdf487c812de2e65d5b5ff
[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" "e0fac7d9b64ee4a9d2657b6a8ef092ce2a4f9fbf1acdf487c812de2e65d5b5ff", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:809:9
[INFO] [stderr]     |
[INFO] [stderr] 809 |         (self.start < other.end && other.start < self.end && other.start < other.end)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:809:9
[INFO] [stderr]     |
[INFO] [stderr] 809 |         (self.start < other.end && other.start < self.end && other.start < other.end)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nested_intervals-60c110d75c17f9c5
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test tests::test_any_nested ... ok
[INFO] [stdout] test tests::test_any_overlapping ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_covered_units ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stdout] test tests::test_filter_overlapping_multiples ... ok
[INFO] [stdout] test tests::test_filter_non_overlapping_multiples ... ok
[INFO] [stdout] test tests::test_new_with_ids_sorting ... ok
[INFO] [stdout] test tests::test_query ... ok
[INFO] [stdout] test tests::test_query_multiple ... ok
[INFO] [stdout] test tests::test_query_multiple_non_overlapping ... ok
[INFO] [stdout] test tests::test_merge_hull ... ok
[INFO] [stdout] test tests::test_merge_drop ... ok
[INFO] [stdout] test tests::test_merge_connectd ... ok
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_split_repeated_ids ... ok
[INFO] [stdout] test tests::test_substract ... ok
[INFO] [stdout] test tests::test_mean_interval_size ... ok
[INFO] [stdout] test tests::test_has_overlap ... ok
[INFO] [stdout] test tests::test_union ... ok
[INFO] [stdout] test tests::test_find_closest_start_right ... ok
[INFO] [stdout] test tests::test_overlap_status ... ok
[INFO] [stdout] test tests::test_remove_duplicates ... ok
[INFO] [stdout] test tests::test_merge_split_non_remains_overlapping ... ok
[INFO] [stdout] test tests::test_invert ... ok
[INFO] [stdout] test tests::test_find_closest_start ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_find_closest_start_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nested_intervals
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:809:9
[INFO] [stderr]     |
[INFO] [stderr] 809 |         (self.start < other.end && other.start < self.end && other.start < other.end)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "e0fac7d9b64ee4a9d2657b6a8ef092ce2a4f9fbf1acdf487c812de2e65d5b5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fac7d9b64ee4a9d2657b6a8ef092ce2a4f9fbf1acdf487c812de2e65d5b5ff", kill_on_drop: false }`
[INFO] [stdout] e0fac7d9b64ee4a9d2657b6a8ef092ce2a4f9fbf1acdf487c812de2e65d5b5ff