[INFO] fetching crate xmlwriter 0.1.0...
[INFO] testing xmlwriter-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xmlwriter 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xmlwriter 0.1.0 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 xmlwriter 0.1.0
[INFO] finished tweaking crates.io crate xmlwriter 0.1.0
[INFO] tweaked toml for crates.io crate xmlwriter 0.1.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60f443357ec7b84cb76e1e546e3292f2200f5dd7ea45fe2fc8f616b2554234ba
[INFO] running `Command { std: "docker" "start" "-a" "60f443357ec7b84cb76e1e546e3292f2200f5dd7ea45fe2fc8f616b2554234ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f443357ec7b84cb76e1e546e3292f2200f5dd7ea45fe2fc8f616b2554234ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f443357ec7b84cb76e1e546e3292f2200f5dd7ea45fe2fc8f616b2554234ba", kill_on_drop: false }`
[INFO] [stdout] 60f443357ec7b84cb76e1e546e3292f2200f5dd7ea45fe2fc8f616b2554234ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8dfd1baa91b25d4619bc6ff9ae560b912bd07e9b074cd994c57767762be25a85
[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" "8dfd1baa91b25d4619bc6ff9ae560b912bd07e9b074cd994c57767762be25a85", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlwriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "8dfd1baa91b25d4619bc6ff9ae560b912bd07e9b074cd994c57767762be25a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfd1baa91b25d4619bc6ff9ae560b912bd07e9b074cd994c57767762be25a85", kill_on_drop: false }`
[INFO] [stdout] 8dfd1baa91b25d4619bc6ff9ae560b912bd07e9b074cd994c57767762be25a85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d2dabee7af217d260a749ddd5b4a4b59743bb7d2d6fa4617374c5b89ca77d3ed
[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" "d2dabee7af217d260a749ddd5b4a4b59743bb7d2d6fa4617374c5b89ca77d3ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlwriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "d2dabee7af217d260a749ddd5b4a4b59743bb7d2d6fa4617374c5b89ca77d3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2dabee7af217d260a749ddd5b4a4b59743bb7d2d6fa4617374c5b89ca77d3ed", kill_on_drop: false }`
[INFO] [stdout] d2dabee7af217d260a749ddd5b4a4b59743bb7d2d6fa4617374c5b89ca77d3ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4668c7e234e23126b718a587f0cf5ed06191676fa7801480f9b8ec6c9b840be6
[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" "4668c7e234e23126b718a587f0cf5ed06191676fa7801480f9b8ec6c9b840be6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xmlwriter-65ba477e5f29be01)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-4b47f757fd7928ed)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test write_attribute_03 ... ok
[INFO] [stdout] test write_attribute_04 ... ok
[INFO] [stdout] test write_comment_01 ... ok
[INFO] [stdout] test write_comment_02 ... ok
[INFO] [stdout] test write_comment_04 ... ok
[INFO] [stdout] test write_comment_05 ... ok
[INFO] [stdout] test write_comment_07 ... ok
[INFO] [stdout] test write_comment_08 ... ok
[INFO] [stdout] test write_declaration_01 ... ok
[INFO] [stdout] test write_element_05 ... ok
[INFO] [stdout] test write_element_03 ... ok
[INFO] [stdout] test write_element_01 ... ok
[INFO] [stdout] test write_comment_06 ... ok
[INFO] [stdout] test write_comment_03 ... ok
[INFO] [stdout] test write_single_quote_02 ... ok
[INFO] [stdout] test write_preserve_text_01 ... ok
[INFO] [stdout] test write_attribute_02 ... ok
[INFO] [stdout] test write_attribute_06 ... ok
[INFO] [stdout] test write_single_quote_01 ... ok
[INFO] [stdout] test write_element_06 ... ok
[INFO] [stdout] test attrs_indent_01 ... ok
[INFO] [stdout] test write_text_06 ... ok
[INFO] [stdout] test write_text_04 ... ok
[INFO] [stdout] test write_text_05 ... ok
[INFO] [stdout] test write_preserve_text_02 ... ok
[INFO] [stdout] test write_text_07 ... ok
[INFO] [stdout] test write_attribute_05 ... ok
[INFO] [stdout] test write_element_02 ... ok
[INFO] [stdout] test write_attribute_07 ... ok
[INFO] [stdout] test write_text_11 ... ok
[INFO] [stdout] test write_text_08 ... ok
[INFO] [stdout] test write_text_09 ... ok
[INFO] [stdout] test write_text_10 ... ok
[INFO] [stderr]    Doc-tests xmlwriter
[INFO] [stdout] test write_text_01 - should panic ... ok
[INFO] [stdout] test write_declaration_02 - should panic ... ok
[INFO] [stdout] test write_attribute_01 - should panic ... ok
[INFO] [stdout] test write_text_02 - should panic ... ok
[INFO] [stdout] test write_text_03 - should panic ... ok
[INFO] [stdout] test write_declaration_03 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::write_attribute_raw (line 351) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::write_attribute_fmt (line 316) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::end_document (line 525) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::write_attribute (line 292) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::set_preserve_whitespaces (line 418) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4668c7e234e23126b718a587f0cf5ed06191676fa7801480f9b8ec6c9b840be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4668c7e234e23126b718a587f0cf5ed06191676fa7801480f9b8ec6c9b840be6", kill_on_drop: false }`
[INFO] [stdout] 4668c7e234e23126b718a587f0cf5ed06191676fa7801480f9b8ec6c9b840be6