[INFO] fetching crate scrings 0.1.7...
[INFO] testing scrings-0.1.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate scrings 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scrings 0.1.7
[INFO] finished tweaking crates.io crate scrings 0.1.7
[INFO] tweaked toml for crates.io crate scrings 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scrings 0.1.7 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scrings 0.1.7 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9029ed26fdc6d95bf8331972c94d5fc760d693d160bb834eed5fa87185ba065e
[INFO] running `Command { std: "docker" "start" "-a" "9029ed26fdc6d95bf8331972c94d5fc760d693d160bb834eed5fa87185ba065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9029ed26fdc6d95bf8331972c94d5fc760d693d160bb834eed5fa87185ba065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9029ed26fdc6d95bf8331972c94d5fc760d693d160bb834eed5fa87185ba065e", kill_on_drop: false }`
[INFO] [stdout] 9029ed26fdc6d95bf8331972c94d5fc760d693d160bb834eed5fa87185ba065e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee20548a6e666261dcd82f0b38d75635bd25483e2309485705ad75e6cdeaf28f
[INFO] running `Command { std: "docker" "start" "-a" "ee20548a6e666261dcd82f0b38d75635bd25483e2309485705ad75e6cdeaf28f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.12
[INFO] [stderr]    Compiling tree-sitter-language v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling tree-sitter v0.24.7
[INFO] [stderr]    Compiling tree-sitter-javascript v0.23.1
[INFO] [stderr]    Compiling tree-sitter-python v0.21.0
[INFO] [stderr]    Compiling tree-sitter-sequel v0.3.7
[INFO] [stderr]    Compiling tree-sitter-php v0.23.11
[INFO] [stderr]    Compiling tree-sitter-bash v0.21.0
[INFO] [stderr]    Compiling tree-sitter-powershell v0.24.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tree-sitter-traversal2 v0.2.0
[INFO] [stderr]    Compiling scrings v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `root` is never used
[INFO] [stdout]    --> src/tree.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl<'a> Tree<'a> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn root(&self) -> Result<Node> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[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/bash.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_bash_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_bash_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/js.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_javascript_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_javascript_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/php.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_php_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_php_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ps.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn build_powershell_tree(source: &str) -> Result<Tree> {
[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] 10 | fn build_powershell_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/python.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree> {
[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] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree<'_>> {
[INFO] [stdout]   |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/sql.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_sql_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_sql_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn root(&self) -> Result<Node> {
[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] 202 |     pub fn root(&self) -> Result<Node<'_>> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "ee20548a6e666261dcd82f0b38d75635bd25483e2309485705ad75e6cdeaf28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee20548a6e666261dcd82f0b38d75635bd25483e2309485705ad75e6cdeaf28f", kill_on_drop: false }`
[INFO] [stdout] ee20548a6e666261dcd82f0b38d75635bd25483e2309485705ad75e6cdeaf28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85c9a99047d6146dbf4c5342489751b42ff45fd345c42ccdb7059b2f5c98d224
[INFO] running `Command { std: "docker" "start" "-a" "85c9a99047d6146dbf4c5342489751b42ff45fd345c42ccdb7059b2f5c98d224", kill_on_drop: false }`
[INFO] [stdout] warning: method `root` is never used
[INFO] [stdout]    --> src/tree.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl<'a> Tree<'a> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn root(&self) -> Result<Node> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[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/bash.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_bash_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_bash_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/js.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_javascript_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_javascript_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/php.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_php_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_php_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ps.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn build_powershell_tree(source: &str) -> Result<Tree> {
[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] 10 | fn build_powershell_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/python.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree> {
[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] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree<'_>> {
[INFO] [stdout]   |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/sql.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_sql_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_sql_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn root(&self) -> Result<Node> {
[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] 202 |     pub fn root(&self) -> Result<Node<'_>> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scrings v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `root` is never used
[INFO] [stdout]    --> src/tree.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl<'a> Tree<'a> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn root(&self) -> Result<Node> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[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/bash.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_bash_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_bash_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/js.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_javascript_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_javascript_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/php.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_php_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_php_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ps.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn build_powershell_tree(source: &str) -> Result<Tree> {
[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] 10 | fn build_powershell_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/python.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree> {
[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] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree<'_>> {
[INFO] [stdout]   |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/sql.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn build_sql_tree(source: &str) -> Result<Tree> {
[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] 7 | fn build_sql_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn root(&self) -> Result<Node> {
[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] 202 |     pub fn root(&self) -> Result<Node<'_>> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "85c9a99047d6146dbf4c5342489751b42ff45fd345c42ccdb7059b2f5c98d224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c9a99047d6146dbf4c5342489751b42ff45fd345c42ccdb7059b2f5c98d224", kill_on_drop: false }`
[INFO] [stdout] 85c9a99047d6146dbf4c5342489751b42ff45fd345c42ccdb7059b2f5c98d224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fec4174379c09fdf4d402db2911e16661ca00af8717f807490a44f915de74af7
[INFO] running `Command { std: "docker" "start" "-a" "fec4174379c09fdf4d402db2911e16661ca00af8717f807490a44f915de74af7", kill_on_drop: false }`
[INFO] [stderr] warning: method `root` is never used
[INFO] [stderr]    --> src/tree.rs:202:12
[INFO] [stderr]     |
[INFO] [stderr] 189 | impl<'a> Tree<'a> {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 202 |     pub fn root(&self) -> Result<Node> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/bash.rs:7:28
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_bash_tree(source: &str) -> Result<Tree> {
[INFO] [stderr]   |                            ^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                            |
[INFO] [stderr]   |                            the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_bash_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stderr]   |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/js.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_javascript_tree(source: &str) -> Result<Tree> {
[INFO] [stderr]   |                                  ^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                                  |
[INFO] [stderr]   |                                  the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_javascript_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stderr]   |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/php.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_php_tree(source: &str) -> Result<Tree> {
[INFO] [stderr]   |                           ^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                           |
[INFO] [stderr]   |                           the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_php_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stderr]   |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ps.rs:10:34
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn build_powershell_tree(source: &str) -> Result<Tree> {
[INFO] [stderr]    |                                  ^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn build_powershell_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stderr]    |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/python.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree> {
[INFO] [stderr]   |                              ^^^^                          ^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                              |
[INFO] [stderr]   |                              the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn build_python_tree(source: &str) -> crate::error::Result<Tree<'_>> {
[INFO] [stderr]   |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/sql.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_sql_tree(source: &str) -> Result<Tree> {
[INFO] [stderr]   |                           ^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                           |
[INFO] [stderr]   |                           the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn build_sql_tree(source: &str) -> Result<Tree<'_>> {
[INFO] [stderr]   |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn root(&self) -> Result<Node> {
[INFO] [stderr]     |                 ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn root(&self) -> Result<Node<'_>> {
[INFO] [stderr]     |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `scrings` (lib) generated 8 warnings (run `cargo fix --lib -p scrings` to apply 7 suggestions)
[INFO] [stderr] warning: `scrings` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scrings-dcd363347cb0a428)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scrings
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fec4174379c09fdf4d402db2911e16661ca00af8717f807490a44f915de74af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec4174379c09fdf4d402db2911e16661ca00af8717f807490a44f915de74af7", kill_on_drop: false }`
[INFO] [stdout] fec4174379c09fdf4d402db2911e16661ca00af8717f807490a44f915de74af7