[INFO] fetching crate subsrch 0.1.0...
[INFO] testing subsrch-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate subsrch 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate subsrch 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8da29165b40ded07c0a1b1ab80d6e0305e6a4a6fe8b036a669bfc9ae35b6355a
[INFO] running `Command { std: "docker" "start" "-a" "8da29165b40ded07c0a1b1ab80d6e0305e6a4a6fe8b036a669bfc9ae35b6355a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8da29165b40ded07c0a1b1ab80d6e0305e6a4a6fe8b036a669bfc9ae35b6355a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da29165b40ded07c0a1b1ab80d6e0305e6a4a6fe8b036a669bfc9ae35b6355a", kill_on_drop: false }`
[INFO] [stdout] 8da29165b40ded07c0a1b1ab80d6e0305e6a4a6fe8b036a669bfc9ae35b6355a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c5a63b0de9a2e53d4f102de5ef87aa7fddb5e609f4a10865628cafdd233790
[INFO] running `Command { std: "docker" "start" "-a" "46c5a63b0de9a2e53d4f102de5ef87aa7fddb5e609f4a10865628cafdd233790", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[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 10.40s
[INFO] running `Command { std: "docker" "inspect" "46c5a63b0de9a2e53d4f102de5ef87aa7fddb5e609f4a10865628cafdd233790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c5a63b0de9a2e53d4f102de5ef87aa7fddb5e609f4a10865628cafdd233790", kill_on_drop: false }`
[INFO] [stdout] 46c5a63b0de9a2e53d4f102de5ef87aa7fddb5e609f4a10865628cafdd233790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa82e8fa35f87f5d4b6e3c08454944ee5c23b8c70049a58ad3a1976652ba1642
[INFO] running `Command { std: "docker" "start" "-a" "aa82e8fa35f87f5d4b6e3c08454944ee5c23b8c70049a58ad3a1976652ba1642", kill_on_drop: false }`
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "aa82e8fa35f87f5d4b6e3c08454944ee5c23b8c70049a58ad3a1976652ba1642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa82e8fa35f87f5d4b6e3c08454944ee5c23b8c70049a58ad3a1976652ba1642", kill_on_drop: false }`
[INFO] [stdout] aa82e8fa35f87f5d4b6e3c08454944ee5c23b8c70049a58ad3a1976652ba1642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12823f1fdecf9116f7f285a18a3f6bb1dcf64285c69bc26bdbd61a87547f99bd
[INFO] running `Command { std: "docker" "start" "-a" "12823f1fdecf9116f7f285a18a3f6bb1dcf64285c69bc26bdbd61a87547f99bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/subsrch-9f330185f4f77f05)
[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_should_test_once ... ok
[INFO] [stdout] test maximal::tests::empty_list_passed_test_final_range_is_empty ... 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::single_element_is_test_empty ... ok
[INFO] [stdout] test maximal::tests::single_element_passed_test_is_done ... ok
[INFO] [stdout] test maximal::tests::two_elements_failed ... ok
[INFO] [stdout] test maximal::tests::two_elements_first_required ... 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::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test minimal::tests::empty_list_should_test_once ... 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::single_element_failed_test_is_none ... ok
[INFO] [stdout] test minimal::tests::single_element_is_test_all ... ok
[INFO] [stdout] test minimal::tests::single_element_required_is_done ... ok
[INFO] [stdout] test minimal::tests::ignores_larger_passes ... ok
[INFO] [stdout] test minimal::tests::two_elements_failed ... 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] test minimal::tests::two_elements_first_required ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12823f1fdecf9116f7f285a18a3f6bb1dcf64285c69bc26bdbd61a87547f99bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12823f1fdecf9116f7f285a18a3f6bb1dcf64285c69bc26bdbd61a87547f99bd", kill_on_drop: false }`
[INFO] [stdout] 12823f1fdecf9116f7f285a18a3f6bb1dcf64285c69bc26bdbd61a87547f99bd