[INFO] fetching crate subsrch 0.1.0...
[INFO] testing subsrch-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate subsrch 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate subsrch 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b736600417be23e052ebc7a0dddac7b9da767dca2c92c828de19a32a1b367c7
[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" "1b736600417be23e052ebc7a0dddac7b9da767dca2c92c828de19a32a1b367c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b736600417be23e052ebc7a0dddac7b9da767dca2c92c828de19a32a1b367c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b736600417be23e052ebc7a0dddac7b9da767dca2c92c828de19a32a1b367c7", kill_on_drop: false }`
[INFO] [stdout] 1b736600417be23e052ebc7a0dddac7b9da767dca2c92c828de19a32a1b367c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f51a0d832ed17b443480ed2b4823d6b05f4b8ce4a2e30c415736161b767031
[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" "82f51a0d832ed17b443480ed2b4823d6b05f4b8ce4a2e30c415736161b767031", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "82f51a0d832ed17b443480ed2b4823d6b05f4b8ce4a2e30c415736161b767031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f51a0d832ed17b443480ed2b4823d6b05f4b8ce4a2e30c415736161b767031", kill_on_drop: false }`
[INFO] [stdout] 82f51a0d832ed17b443480ed2b4823d6b05f4b8ce4a2e30c415736161b767031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9cb2f87ba92aa6fe2060e811c78b3265fceef4ec2c048c0565a3e3b146f534f
[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" "f9cb2f87ba92aa6fe2060e811c78b3265fceef4ec2c048c0565a3e3b146f534f", kill_on_drop: false }`
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "f9cb2f87ba92aa6fe2060e811c78b3265fceef4ec2c048c0565a3e3b146f534f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cb2f87ba92aa6fe2060e811c78b3265fceef4ec2c048c0565a3e3b146f534f", kill_on_drop: false }`
[INFO] [stdout] f9cb2f87ba92aa6fe2060e811c78b3265fceef4ec2c048c0565a3e3b146f534f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cb0a1e3099d0215383b5e337a48d2a7752cff06180ef991487af7e541001681
[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" "1cb0a1e3099d0215383b5e337a48d2a7752cff06180ef991487af7e541001681", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subsrch-d89965c41dfc64bf
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test maximal::tests::empty_list_failed_test_final_range_is_none ... ok
[INFO] [stdout] test maximal::tests::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test maximal::tests::empty_list_should_test_once ... ok
[INFO] [stdout] test maximal::tests::four_elements_rejects_middle_two ... 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_only_one ... ok
[INFO] [stdout] test minimal::tests::empty_list_failed_test_final_range_is_none ... ok
[INFO] [stdout] test minimal::tests::single_element_passed_test_is_test_empty ... ok
[INFO] [stdout] test minimal::tests::single_element_required_is_done ... ok
[INFO] [stdout] test minimal::tests::empty_list_should_test_once ... ok
[INFO] [stdout] test minimal::tests::two_elements_required ... ok
[INFO] [stdout] test minimal::tests::two_elements_first_required ... ok
[INFO] [stdout] test maximal::tests::two_elements_failed ... ok
[INFO] [stdout] test maximal::tests::single_element_is_test_empty ... ok
[INFO] [stdout] test minimal::tests::single_element_is_test_all ... ok
[INFO] [stdout] test minimal::tests::single_element_failed_test_is_none ... ok
[INFO] [stdout] test minimal::tests::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test maximal::tests::single_element_passed_test_is_done ... ok
[INFO] [stdout] test maximal::tests::two_elements_first_required ... 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::ignores_larger_passes ... ok
[INFO] [stdout] test minimal::tests::four_elements_requires_middle_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cb0a1e3099d0215383b5e337a48d2a7752cff06180ef991487af7e541001681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb0a1e3099d0215383b5e337a48d2a7752cff06180ef991487af7e541001681", kill_on_drop: false }`
[INFO] [stdout] 1cb0a1e3099d0215383b5e337a48d2a7752cff06180ef991487af7e541001681