[INFO] crate nv-xml 0.1.3 is already in cache
[INFO] testing nv-xml-0.1.3 against 1.45.2 for beta-1.46-1
[INFO] extracting crate nv-xml 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nv-xml 0.1.3 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nv-xml 0.1.3
[INFO] finished tweaking crates.io crate nv-xml 0.1.3
[INFO] tweaked toml for crates.io crate nv-xml 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70492947a1788205cc684af4a4b702726749541474833c62fc4ab638acf8f965
[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" "70492947a1788205cc684af4a4b702726749541474833c62fc4ab638acf8f965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70492947a1788205cc684af4a4b702726749541474833c62fc4ab638acf8f965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70492947a1788205cc684af4a4b702726749541474833c62fc4ab638acf8f965", kill_on_drop: false }`
[INFO] [stdout] 70492947a1788205cc684af4a4b702726749541474833c62fc4ab638acf8f965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48181b020c0b4979f432a68b9f82a42c1e5e63fb00dcb4991d314cd0f6d3bc17
[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" "48181b020c0b4979f432a68b9f82a42c1e5e63fb00dcb4991d314cd0f6d3bc17", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.4.1
[INFO] [stderr]    Compiling nv-xml v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_parser.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   let mut parent = builders.last_mut().unwrap();
[INFO] [stdout]    |                           ----^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "48181b020c0b4979f432a68b9f82a42c1e5e63fb00dcb4991d314cd0f6d3bc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48181b020c0b4979f432a68b9f82a42c1e5e63fb00dcb4991d314cd0f6d3bc17", kill_on_drop: false }`
[INFO] [stdout] 48181b020c0b4979f432a68b9f82a42c1e5e63fb00dcb4991d314cd0f6d3bc17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba74184996a6e1d6964802600b17f8a9d181841428c2037e8da550536862f306
[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" "ba74184996a6e1d6964802600b17f8a9d181841428c2037e8da550536862f306", kill_on_drop: false }`
[INFO] [stderr]    Compiling nv-xml v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_parser.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   let mut parent = builders.last_mut().unwrap();
[INFO] [stdout]    |                           ----^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_parser.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   let mut parent = builders.last_mut().unwrap();
[INFO] [stdout]    |                           ----^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "ba74184996a6e1d6964802600b17f8a9d181841428c2037e8da550536862f306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba74184996a6e1d6964802600b17f8a9d181841428c2037e8da550536862f306", kill_on_drop: false }`
[INFO] [stdout] ba74184996a6e1d6964802600b17f8a9d181841428c2037e8da550536862f306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 822ad56ad88092063a85b155784d3488bce6c9be3b0f554978f6618e1e2e8ae6
[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" "822ad56ad88092063a85b155784d3488bce6c9be3b0f554978f6618e1e2e8ae6", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/xml_parser.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   let mut parent = builders.last_mut().unwrap();
[INFO] [stderr]    |                           ----^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/xml_parser.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   let mut parent = builders.last_mut().unwrap();
[INFO] [stderr]    |                           ----^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nv_xml-31c45a44123a8e96
[INFO] [stdout] running 18 tests
[INFO] [stdout] test xml_element::xml_element_tests::can_get_attributes_value_from_key ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse_loads_of_nesting ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse_content ... ok
[INFO] [stdout] test xml_element::xml_element_tests::parse_can_fail ... ok
[INFO] [stdout] test xml_element::xml_element_tests::to_string_children_test ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::correct_number_of_elements_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::to_string_children_with_attributes_test ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse_nesting ... ok
[INFO] [stdout] test xml_element::xml_element_tests::can_create_an_element ... ok
[INFO] [stdout] test xml_element::xml_element_tests::can_get_attributes_by_name ... ok
[INFO] [stdout] test xml_element::xml_element_tests::attributes_have_values ... ok
[INFO] [stdout] test xml_element::xml_element_tests::attributes_have_names ... ok
[INFO] [stdout] test xml_attribute::xml_attribute_tests::to_string_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::change_name_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::mutating_name_change_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::to_string_no_children_test ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::bad_xml_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nv-xml
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "822ad56ad88092063a85b155784d3488bce6c9be3b0f554978f6618e1e2e8ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822ad56ad88092063a85b155784d3488bce6c9be3b0f554978f6618e1e2e8ae6", kill_on_drop: false }`
[INFO] [stdout] 822ad56ad88092063a85b155784d3488bce6c9be3b0f554978f6618e1e2e8ae6