[INFO] fetching crate extindex 0.4.1...
[INFO] testing extindex-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate extindex 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate extindex 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extindex 0.4.1
[INFO] finished tweaking crates.io crate extindex 0.4.1
[INFO] tweaked toml for crates.io crate extindex 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601bc1f5e9662088dad2538281e3bed2767e81b56ddc719af75233c5bc01fee6
[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" "601bc1f5e9662088dad2538281e3bed2767e81b56ddc719af75233c5bc01fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601bc1f5e9662088dad2538281e3bed2767e81b56ddc719af75233c5bc01fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601bc1f5e9662088dad2538281e3bed2767e81b56ddc719af75233c5bc01fee6", kill_on_drop: false }`
[INFO] [stdout] 601bc1f5e9662088dad2538281e3bed2767e81b56ddc719af75233c5bc01fee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f99b7f264de317d7e5d59dce998ff571c0c36f179916959ae8abc1a46feb2e1
[INFO] running `Command { std: "docker" "start" "-a" "4f99b7f264de317d7e5d59dce998ff571c0c36f179916959ae8abc1a46feb2e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling skeptic v0.13.6
[INFO] [stderr]    Compiling extsort v0.4.2
[INFO] [stderr]    Compiling extindex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "4f99b7f264de317d7e5d59dce998ff571c0c36f179916959ae8abc1a46feb2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f99b7f264de317d7e5d59dce998ff571c0c36f179916959ae8abc1a46feb2e1", kill_on_drop: false }`
[INFO] [stdout] 4f99b7f264de317d7e5d59dce998ff571c0c36f179916959ae8abc1a46feb2e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c7b1c6c3f2eaaf548429cb2b22c0c52d9ab62f75abad849eaed018b392d9d4
[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" "09c7b1c6c3f2eaaf548429cb2b22c0c52d9ab62f75abad849eaed018b392d9d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling extindex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "09c7b1c6c3f2eaaf548429cb2b22c0c52d9ab62f75abad849eaed018b392d9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c7b1c6c3f2eaaf548429cb2b22c0c52d9ab62f75abad849eaed018b392d9d4", kill_on_drop: false }`
[INFO] [stdout] 09c7b1c6c3f2eaaf548429cb2b22c0c52d9ab62f75abad849eaed018b392d9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98fc9b9ffa11f1678170632a517820b514ab36e632a92cecdcd283909398fdd6
[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" "98fc9b9ffa11f1678170632a517820b514ab36e632a92cecdcd283909398fdd6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extindex-42eb7683eb04fbb6)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running tests/build_and_query.rs (/opt/rustwide/target/debug/deps/build_and_query-a78c01dd6587978a)
[INFO] [stdout] test builder::tests::calculate_levels ... ok
[INFO] [stdout] test seri::tests::head_write_read ... ok
[INFO] [stdout] test utils::tests::simple_count_write ... ok
[INFO] [stdout] test seri::tests::object_write_read ... ok
[INFO] [stdout] test seri::tests::known_size_entry_write_read ... ok
[INFO] [stdout] test seri::tests::checkpoint_write_read ... ok
[INFO] [stdout] test seri::tests::unknown_size_entry_write_read ... ok
[INFO] [stdout] test utils::tests::not_completely_written ... ok
[INFO] [stdout] test builder::tests::build_from_unsorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test build_and_read_duplicate_key ... ok
[INFO] [stdout] test empty_index ... ok
[INFO] [stdout] test build_and_read_unique_key ... ok
[INFO] [stdout] test reader_iter_unique_key ... ok
[INFO] [stdout] test extsort_build_and_read ... ok
[INFO] [stdout] test fuzz_build_read_1_to_650_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/markdown.rs (/opt/rustwide/target/debug/deps/markdown-6ae4a2feb0c29c5c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test readme_sect_example_line_20 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.60s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extindex
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98fc9b9ffa11f1678170632a517820b514ab36e632a92cecdcd283909398fdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fc9b9ffa11f1678170632a517820b514ab36e632a92cecdcd283909398fdd6", kill_on_drop: false }`
[INFO] [stdout] 98fc9b9ffa11f1678170632a517820b514ab36e632a92cecdcd283909398fdd6