[INFO] fetching crate nv-xml 0.1.3...
[INFO] testing nv-xml-0.1.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate nv-xml 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nv-xml 0.1.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 0a2115ee7055067085d4f814e790a70fab9d83d687aadc4630d80692fdbe25cc
[INFO] running `Command { std: "docker" "start" "-a" "0a2115ee7055067085d4f814e790a70fab9d83d687aadc4630d80692fdbe25cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a2115ee7055067085d4f814e790a70fab9d83d687aadc4630d80692fdbe25cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2115ee7055067085d4f814e790a70fab9d83d687aadc4630d80692fdbe25cc", kill_on_drop: false }`
[INFO] [stdout] 0a2115ee7055067085d4f814e790a70fab9d83d687aadc4630d80692fdbe25cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d544cdcadadd1b8547ac347de16e74a53f9413056dd733b9c0ffbb8d05336847
[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" "d544cdcadadd1b8547ac347de16e74a53f9413056dd733b9c0ffbb8d05336847", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[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 2.63s
[INFO] running `Command { std: "docker" "inspect" "d544cdcadadd1b8547ac347de16e74a53f9413056dd733b9c0ffbb8d05336847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d544cdcadadd1b8547ac347de16e74a53f9413056dd733b9c0ffbb8d05336847", kill_on_drop: false }`
[INFO] [stdout] d544cdcadadd1b8547ac347de16e74a53f9413056dd733b9c0ffbb8d05336847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--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] 73f927927efd44f2d01bf6cce17b368129fc56c584ef6ee85883d2c3135023f6
[INFO] running `Command { std: "docker" "start" "-a" "73f927927efd44f2d01bf6cce17b368129fc56c584ef6ee85883d2c3135023f6", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "73f927927efd44f2d01bf6cce17b368129fc56c584ef6ee85883d2c3135023f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f927927efd44f2d01bf6cce17b368129fc56c584ef6ee85883d2c3135023f6", kill_on_drop: false }`
[INFO] [stdout] 73f927927efd44f2d01bf6cce17b368129fc56c584ef6ee85883d2c3135023f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 693c86987800e495bde3c005e46f464f9ae8a6b5a815c070914e67492aba14b5
[INFO] running `Command { std: "docker" "start" "-a" "693c86987800e495bde3c005e46f464f9ae8a6b5a815c070914e67492aba14b5", 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nv_xml-7fbbe84b0b90a75d
[INFO] [stdout] running 18 tests
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse_content ... ok
[INFO] [stdout] test xml_attribute::xml_attribute_tests::to_string_test ... 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::can_create_an_element ... ok
[INFO] [stderr]    Doc-tests nv-xml
[INFO] [stdout] test xml_parser::xml_parser_tests::bad_xml_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::parse_can_fail ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse_nesting ... ok
[INFO] [stdout] test xml_element::xml_element_tests::to_string_children_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::attributes_have_names ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::correct_number_of_elements_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::change_name_test ... ok
[INFO] [stdout] test xml_parser::xml_parser_tests::can_parse_loads_of_nesting ... ok
[INFO] [stdout] test xml_element::xml_element_tests::to_string_no_children_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::can_get_attributes_value_from_key ... ok
[INFO] [stdout] test xml_element::xml_element_tests::mutating_name_change_test ... ok
[INFO] [stdout] test xml_element::xml_element_tests::to_string_children_with_attributes_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "693c86987800e495bde3c005e46f464f9ae8a6b5a815c070914e67492aba14b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693c86987800e495bde3c005e46f464f9ae8a6b5a815c070914e67492aba14b5", kill_on_drop: false }`
[INFO] [stdout] 693c86987800e495bde3c005e46f464f9ae8a6b5a815c070914e67492aba14b5