[INFO] fetching crate nipper 0.1.9...
[INFO] testing nipper-0.1.9 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate nipper 0.1.9 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nipper 0.1.9
[INFO] finished tweaking crates.io crate nipper 0.1.9
[INFO] tweaked toml for crates.io crate nipper 0.1.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nipper 0.1.9 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nipper 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb
[INFO] running `Command { std: "docker" "start" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling libc v0.2.88
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[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling nipper v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dom_tree.rs:299:17
[INFO] [stdout]     |
[INFO] [stdout] 299 |             let mut parent = get_node_unchecked_mut!(nodes, id);
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dom_tree.rs:309:21
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 let mut last_child = get_node_unchecked_mut!(nodes, last_child_id);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dom_tree.rs:374:17
[INFO] [stdout]     |
[INFO] [stdout] 374 |             let mut node = get_node_unchecked_mut!(nodes, id);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dom_tree.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 let mut prev_sibling = get_node_unchecked_mut!(nodes, prev_sibling_id);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dom_tree.rs:387:21
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let mut parent = get_node_unchecked_mut!(nodes, parent_id);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dom_tree.rs:504:21
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 let mut new_parent = get_node_unchecked_mut!(nodes, new_parent_id);
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mathml_annotation_xml_integration_point` is never read
[INFO] [stdout]     --> src/dom_tree.rs:1000:5
[INFO] [stdout]      |
[INFO] [stdout]  988 | pub struct Element {
[INFO] [stdout]      |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1000 |     mathml_annotation_xml_integration_point: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Element` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/document.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn root(&self) -> NodeRef<NodeData> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn root(&self) -> NodeRef<'_, NodeData> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/document.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn elem_name(&self, target: &NodeId) -> ExpandedName {
[INFO] [stdout]     |                  ^^^^^                      ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn elem_name(&self, target: &NodeId) -> ExpandedName<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn get(&self, id: &NodeId) -> Option<NodeRef<T>> {
[INFO] [stdout]     |                ^^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn get(&self, id: &NodeId) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:157:26
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_unchecked(&self, id: &NodeId) -> NodeRef<T> {
[INFO] [stdout]     |                          ^^^^^                  ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn get_unchecked(&self, id: &NodeId) -> NodeRef<'_, T> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn root(&self) -> NodeRef<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn root(&self) -> NodeRef<'_, T> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:168:24
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn children_of(&self, id: &NodeId) -> Vec<NodeRef<T>> {
[INFO] [stdout]     |                        ^^^^^                      ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn children_of(&self, id: &NodeId) -> Vec<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:177:27
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn first_child_of(&self, id: &NodeId) -> Option<NodeRef<T>> {
[INFO] [stdout]     |                           ^^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn first_child_of(&self, id: &NodeId) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn last_child_of(&self, id: &NodeId) -> Option<NodeRef<T>> {
[INFO] [stdout]     |                          ^^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn last_child_of(&self, id: &NodeId) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn parent_of(&self, id: &NodeId) -> Option<NodeRef<T>> {
[INFO] [stdout]     |                      ^^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn parent_of(&self, id: &NodeId) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:198:28
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn prev_sibling_of(&self, id: &NodeId) -> Option<NodeRef<T>> {
[INFO] [stdout]     |                            ^^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn prev_sibling_of(&self, id: &NodeId) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dom_tree.rs:205:28
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn next_sibling_of(&self, id: &NodeId) -> Option<NodeRef<T>> {
[INFO] [stdout]     |                            ^^^^^                         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn next_sibling_of(&self, id: &NodeId) -> Option<NodeRef<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/dom_tree.rs:1027:42
[INFO] [stdout]      |
[INFO] [stdout] 1027 |     fn from(h: NodeRef<'a, NodeData>) -> SerializableNodeRef {
[INFO] [stdout]      |                        --                ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        the lifetime is named here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 1027 |     fn from(h: NodeRef<'a, NodeData>) -> SerializableNodeRef<'a> {
[INFO] [stdout]      |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/matcher.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(sel: &str) -> Result<Self, ParseError<SelectorParseErrorKind>> {
[INFO] [stdout]    |                     ^^^^                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                     |                     |          |
[INFO] [stdout]    |                     |                     |          the same lifetime is hidden here
[INFO] [stdout]    |                     |                     the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(sel: &str) -> Result<Self, ParseError<'_, SelectorParseErrorKind<'_>>> {
[INFO] [stdout]    |                                                      +++                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/selection.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn from(node: Node<'a>) -> Selection {
[INFO] [stdout]    |                        --      ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn from(node: Node<'a>) -> Selection<'a> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traversal.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn select(&self, sel: &str) -> Selection {
[INFO] [stdout]    |                   ^^^^^                ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn select(&self, sel: &str) -> Selection<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traversal.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn nip(&self, sel: &str) -> Selection {
[INFO] [stdout]    |                ^^^^^                ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn nip(&self, sel: &str) -> Selection<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/traversal.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn try_select(&self, sel: &str) -> Option<Selection> {
[INFO] [stdout]    |                       ^^^^^                       ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn try_select(&self, sel: &str) -> Option<Selection<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 13.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr] warning: openssl-sys@0.9.60: build/expando.c:4:24: error: pasting "RUST_VERSION_OPENSSL_" and "(" does not give a valid preprocessing token
[INFO] [stderr] warning: openssl-sys@0.9.60:     4 | #define VERSION2(n, v) RUST_VERSION_##n##_##v
[INFO] [stderr] warning: openssl-sys@0.9.60:       |                        ^~~~~~~~~~~~~
[INFO] [stderr] warning: openssl-sys@0.9.60: build/expando.c:5:23: note: in expansion of macro 'VERSION2'
[INFO] [stderr] warning: openssl-sys@0.9.60:     5 | #define VERSION(n, v) VERSION2(n, v)
[INFO] [stderr] warning: openssl-sys@0.9.60:       |                       ^~~~~~~~
[INFO] [stderr] warning: openssl-sys@0.9.60: build/expando.c:10:1: note: in expansion of macro 'VERSION'
[INFO] [stderr] warning: openssl-sys@0.9.60:    10 | VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
[INFO] [stderr] warning: openssl-sys@0.9.60:       | ^~~~~~~
[INFO] [stderr] error: failed to run custom build command for `openssl-sys v0.9.60`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/openssl-sys-506d30c1f3e59d99/build-script-main` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-cfg=const_fn
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR
[INFO] [stderr]   X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_LIB_DIR
[INFO] [stderr]   OPENSSL_LIB_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR
[INFO] [stderr]   X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR
[INFO] [stderr]   OPENSSL_INCLUDE_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR
[INFO] [stderr]   X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_DIR
[INFO] [stderr]   OPENSSL_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=SYSROOT
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rustc-link-lib=ssl
[INFO] [stderr]   cargo:rustc-link-lib=crypto
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   OPT_LEVEL = Some("3")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("false")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-m64" "-I" "/usr/include" "-Wall" "-Wextra" "-E" "build/expando.c"
[INFO] [stderr]   cargo:warning=build/expando.c:4:24: error: pasting "RUST_VERSION_OPENSSL_" and "(" does not give a valid preprocessing token
[INFO] [stderr]   cargo:warning=    4 | #define VERSION2(n, v) RUST_VERSION_##n##_##v
[INFO] [stderr]   cargo:warning=      |                        ^~~~~~~~~~~~~
[INFO] [stderr]   cargo:warning=build/expando.c:5:23: note: in expansion of macro 'VERSION2'
[INFO] [stderr]   cargo:warning=    5 | #define VERSION(n, v) VERSION2(n, v)
[INFO] [stderr]   cargo:warning=      |                       ^~~~~~~~
[INFO] [stderr]   cargo:warning=build/expando.c:10:1: note: in expansion of macro 'VERSION'
[INFO] [stderr]   cargo:warning=   10 | VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (2179) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/openssl-sys-0.9.60/build/main.rs:141:13:
[INFO] [stderr] 
[INFO] [stderr]   Header expansion error:
[INFO] [stderr]   Error { kind: ToolExecError, message: "Command \"cc\" \"-O3\" \"-ffunction-sections\" \"-fdata-sections\" \"-fPIC\" \"-m64\" \"-I\" \"/usr/include\" \"-Wall\" \"-Wextra\" \"-E\" \"build/expando.c\" with args \"cc\" did not execute successfully (status code exit status: 1)." }
[INFO] [stderr] 
[INFO] [stderr]   Failed to find OpenSSL development headers.
[INFO] [stderr] 
[INFO] [stderr]   You can try fixing this setting the `OPENSSL_DIR` environment variable
[INFO] [stderr]   pointing to your OpenSSL installation or installing OpenSSL headers package
[INFO] [stderr]   specific to your distribution:
[INFO] [stderr] 
[INFO] [stderr]       # On Ubuntu
[INFO] [stderr]       sudo apt-get install libssl-dev
[INFO] [stderr]       # On Arch Linux
[INFO] [stderr]       sudo pacman -S openssl
[INFO] [stderr]       # On Fedora
[INFO] [stderr]       sudo dnf install openssl-devel
[INFO] [stderr] 
[INFO] [stderr]   See rust-openssl README for more information:
[INFO] [stderr] 
[INFO] [stderr]       https://github.com/sfackler/rust-openssl#linux
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5be1a4c741a1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5be1a4c88b2a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5be1a4c7a31c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5be1a4c535a6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5be1a4c6eeb1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5be1a4c6f06b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5be1a4c53652 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5be1a4c4c0c9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5be1a4c53f0d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5be1a4c8929c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5be1a4be1762 - build_script_main[fb6cb4723d2b971f]::validate_headers
[INFO] [stderr]     11:     0x5be1a4be9483 - build_script_main[fb6cb4723d2b971f]::find_normal::try_pkg_config
[INFO] [stderr]     12:     0x5be1a4be9848 - build_script_main[fb6cb4723d2b971f]::find_normal::find_openssl_dir
[INFO] [stderr]     13:     0x5be1a4be7cb7 - build_script_main[fb6cb4723d2b971f]::find_normal::get_openssl::{closure#0}
[INFO] [stderr]     14:     0x5be1a4bddf30 - <core[df12db4294e9bfd3]::option::Option<std[70759c8f55707aa4]::ffi::os_str::OsString>>::unwrap_or_else::<build_script_main[fb6cb4723d2b971f]::find_normal::get_openssl::{closure#0}>
[INFO] [stderr]     15:     0x5be1a4be8d4c - build_script_main[fb6cb4723d2b971f]::find_normal::get_openssl
[INFO] [stderr]     16:     0x5be1a4bdfa9d - build_script_main[fb6cb4723d2b971f]::find_openssl
[INFO] [stderr]     17:     0x5be1a4be1d81 - build_script_main[fb6cb4723d2b971f]::main
[INFO] [stderr]     18:     0x5be1a4be57f3 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5be1a4bde746 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5be1a4bdee79 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5be1a4c6e279 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     22:     0x5be1a4bde491 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     23:     0x5be1a4be59f5 - main
[INFO] [stderr]     24:     0x781d3e28b601 - <unknown>
[INFO] [stderr]     25:     0x781d3e28b718 - __libc_start_main
[INFO] [stderr]     26:     0x5be1a4bddc95 - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb", kill_on_drop: false }`
[INFO] [stdout] 4d66b9db3fefc9a77eef589046cf9c7a36d8cae3e240889458e381c1cfbb9bcb
