[INFO] fetching crate rss 1.10.0...
[INFO] testing rss-1.10.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rss 1.10.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate rss 1.10.0 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 rss 1.10.0
[INFO] finished tweaking crates.io crate rss 1.10.0
[INFO] tweaked toml for crates.io crate rss 1.10.0 written to /workspace/builds/worker-61/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] d0610b60aba099201ec9bb919da7a49abdaf1be6a688fc5c2d706091f8d7997b
[INFO] running `Command { std: "docker" "start" "-a" "d0610b60aba099201ec9bb919da7a49abdaf1be6a688fc5c2d706091f8d7997b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0610b60aba099201ec9bb919da7a49abdaf1be6a688fc5c2d706091f8d7997b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0610b60aba099201ec9bb919da7a49abdaf1be6a688fc5c2d706091f8d7997b", kill_on_drop: false }`
[INFO] [stdout] d0610b60aba099201ec9bb919da7a49abdaf1be6a688fc5c2d706091f8d7997b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] [stdout] 39ad7efbd03e1d8a6581c7095e8d873dd0d090210e41ff2ec1b11359e47d3723
[INFO] running `Command { std: "docker" "start" "-a" "39ad7efbd03e1d8a6581c7095e8d873dd0d090210e41ff2ec1b11359e47d3723", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling diligent-date-parser v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling atom_syndication v0.9.1
[INFO] [stderr]    Compiling rss v1.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.86s
[INFO] running `Command { std: "docker" "inspect" "39ad7efbd03e1d8a6581c7095e8d873dd0d090210e41ff2ec1b11359e47d3723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ad7efbd03e1d8a6581c7095e8d873dd0d090210e41ff2ec1b11359e47d3723", kill_on_drop: false }`
[INFO] [stdout] 39ad7efbd03e1d8a6581c7095e8d873dd0d090210e41ff2ec1b11359e47d3723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] cd5b071995f34123c59d572c7f26a8b8276ce26faa042a4aa32ed48cfe19c1af
[INFO] running `Command { std: "docker" "start" "-a" "cd5b071995f34123c59d572c7f26a8b8276ce26faa042a4aa32ed48cfe19c1af", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling rss v1.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "cd5b071995f34123c59d572c7f26a8b8276ce26faa042a4aa32ed48cfe19c1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5b071995f34123c59d572c7f26a8b8276ce26faa042a4aa32ed48cfe19c1af", kill_on_drop: false }`
[INFO] [stdout] cd5b071995f34123c59d572c7f26a8b8276ce26faa042a4aa32ed48cfe19c1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] a478b092d2a4c017a1a06a64754343b93cf0b7e073e3b9d3fa66c7e30b6168cb
[INFO] running `Command { std: "docker" "start" "-a" "a478b092d2a4c017a1a06a64754343b93cf0b7e073e3b9d3fa66c7e30b6168cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rss-fa02381c7e8a2912)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rss
[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] [stdout] 
[INFO] [stdout] running 194 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rss --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atom_syndication=/opt/rustwide/target/debug/deps/libatom_syndication-0559781912a8da93.rlib --extern bencher=/opt/rustwide/target/debug/deps/libbencher-d23b324bcb4933fe.rlib --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-cf0ebfc4f57be302.so --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-eac07fa7b9274279.rlib --extern rss=/opt/rustwide/target/debug/deps/librss-3d3be3f4bba087fb.rlib -C embed-bitcode=no --cfg 'feature="atom_syndication"' --cfg 'feature="builders"' --cfg 'feature="default"' --cfg 'feature="derive_builder"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a478b092d2a4c017a1a06a64754343b93cf0b7e073e3b9d3fa66c7e30b6168cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a478b092d2a4c017a1a06a64754343b93cf0b7e073e3b9d3fa66c7e30b6168cb", kill_on_drop: false }`
[INFO] [stdout] a478b092d2a4c017a1a06a64754343b93cf0b7e073e3b9d3fa66c7e30b6168cb