[INFO] crate subsrch 0.1.0 is already in cache
[INFO] testing subsrch-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate subsrch 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate subsrch 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate subsrch 0.1.0
[INFO] finished tweaking crates.io crate subsrch 0.1.0
[INFO] tweaked toml for crates.io crate subsrch 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1512f8df67789d2003ae2e441dd4d101fb882c5f7663ee06f153cbc008f0ce9b
[INFO] running `"docker" "start" "-a" "1512f8df67789d2003ae2e441dd4d101fb882c5f7663ee06f153cbc008f0ce9b"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `"docker" "inspect" "1512f8df67789d2003ae2e441dd4d101fb882c5f7663ee06f153cbc008f0ce9b"`
[INFO] running `"docker" "rm" "-f" "1512f8df67789d2003ae2e441dd4d101fb882c5f7663ee06f153cbc008f0ce9b"`
[INFO] [stdout] 1512f8df67789d2003ae2e441dd4d101fb882c5f7663ee06f153cbc008f0ce9b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e01edf2369caf37d9605f6fe52cae7a42b0575e5da1531d994239e2b2aadef06
[INFO] running `"docker" "start" "-a" "e01edf2369caf37d9605f6fe52cae7a42b0575e5da1531d994239e2b2aadef06"`
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "e01edf2369caf37d9605f6fe52cae7a42b0575e5da1531d994239e2b2aadef06"`
[INFO] running `"docker" "rm" "-f" "e01edf2369caf37d9605f6fe52cae7a42b0575e5da1531d994239e2b2aadef06"`
[INFO] [stdout] e01edf2369caf37d9605f6fe52cae7a42b0575e5da1531d994239e2b2aadef06
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3de56e27bb0585ffa4e1e4a4434b82abce4f19a8e210d1b8e5a1002091dc6dfe
[INFO] running `"docker" "start" "-a" "3de56e27bb0585ffa4e1e4a4434b82abce4f19a8e210d1b8e5a1002091dc6dfe"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subsrch-4f219973e28c1d17
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test maximal::tests::two_elements_failed ... ok
[INFO] [stdout] test maximal::tests::single_element_is_test_empty ... ok
[INFO] [stdout] test maximal::tests::empty_list_failed_test_final_range_is_none ... ok
[INFO] [stdout] test maximal::tests::empty_list_should_test_once ... ok
[INFO] [stdout] test maximal::tests::single_element_passed_test_is_done ... ok
[INFO] [stdout] test maximal::tests::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test maximal::tests::ignores_smaller_passes ... ok
[INFO] [stdout] test maximal::tests::single_element_failed_is_empty_set ... ok
[INFO] [stdout] test maximal::tests::two_elements_first_required ... ok
[INFO] [stdout] test maximal::tests::four_elements_rejects_middle_two ... ok
[INFO] [stdout] test minimal::tests::empty_list_should_test_once ... ok
[INFO] [stdout] test minimal::tests::empty_list_failed_test_final_range_is_none ... ok
[INFO] [stdout] test minimal::tests::ignores_larger_passes ... ok
[INFO] [stdout] test minimal::tests::single_element_failed_test_is_none ... ok
[INFO] [stdout] test minimal::tests::single_element_is_test_all ... ok
[INFO] [stdout] test maximal::tests::two_elements_only_one ... ok
[INFO] [stdout] test minimal::tests::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test minimal::tests::two_elements_failed ... ok
[INFO] [stdout] test minimal::tests::empty_passed_with_one_element_is_done ... ok
[INFO] [stdout] test minimal::tests::four_elements_requires_middle_two ... ok
[INFO] [stdout] test minimal::tests::two_elements_first_required ... ok
[INFO] [stdout] test minimal::tests::single_element_required_is_done ... ok
[INFO] [stdout] test minimal::tests::single_element_passed_test_is_test_empty ... ok
[INFO] [stdout] test minimal::tests::two_elements_required ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3de56e27bb0585ffa4e1e4a4434b82abce4f19a8e210d1b8e5a1002091dc6dfe"`
[INFO] running `"docker" "rm" "-f" "3de56e27bb0585ffa4e1e4a4434b82abce4f19a8e210d1b8e5a1002091dc6dfe"`
[INFO] [stdout] 3de56e27bb0585ffa4e1e4a4434b82abce4f19a8e210d1b8e5a1002091dc6dfe