[INFO] cloning repository https://github.com/Nemo157/cargo-doc-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nemo157/cargo-doc-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fcargo-doc-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fcargo-doc-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7ede716125644a29d81e725961815e5d0a3e4e4
[INFO] testing Nemo157/cargo-doc-tree against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fcargo-doc-tree" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nemo157/cargo-doc-tree
[INFO] finished tweaking git repo https://github.com/Nemo157/cargo-doc-tree
[INFO] tweaked toml for git repo https://github.com/Nemo157/cargo-doc-tree written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nemo157/cargo-doc-tree on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nemo157/cargo-doc-tree 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded rustdoc-types v0.11.0
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded fn-error-context v0.2.0
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded cargo_metadata v0.14.1
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded camino v1.0.5
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c7196607bc71af21589566189fc8e6cee5ccc93d5448a6f02c6c6750e84977
[INFO] running `Command { std: "docker" "start" "-a" "21c7196607bc71af21589566189fc8e6cee5ccc93d5448a6f02c6c6750e84977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c7196607bc71af21589566189fc8e6cee5ccc93d5448a6f02c6c6750e84977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c7196607bc71af21589566189fc8e6cee5ccc93d5448a6f02c6c6750e84977", kill_on_drop: false }`
[INFO] [stdout] 21c7196607bc71af21589566189fc8e6cee5ccc93d5448a6f02c6c6750e84977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7b1e5c1a10bc0c8dd9105bc5bd23583bd077266df9a23c9200d2d8837e666a9
[INFO] running `Command { std: "docker" "start" "-a" "b7b1e5c1a10bc0c8dd9105bc5bd23583bd077266df9a23c9200d2d8837e666a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling fn-error-context v0.2.0
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling rustdoc-types v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.14.1
[INFO] [stderr]    Compiling cargo-doc-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/print.rs:399:49
[INFO] [stdout]     |
[INFO] [stdout] 399 |             rustdoc_types::Type::ResolvedPath { name, id, args, param_names } => {
[INFO] [stdout]     |                                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_names`
[INFO] [stdout]    --> src/print.rs:399:65
[INFO] [stdout]     |
[INFO] [stdout] 399 |             rustdoc_types::Type::ResolvedPath { name, id, args, param_names } => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^ help: try ignoring the field: `param_names: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bindings`
[INFO] [stdout]    --> src/print.rs:450:64
[INFO] [stdout]     |
[INFO] [stdout] 450 |             rustdoc_types::GenericArgs::AngleBracketed { args, bindings } => {
[INFO] [stdout]     |                                                                ^^^^^^^^ help: try ignoring the field: `bindings: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/print.rs:552:19
[INFO] [stdout]     |
[INFO] [stdout] 552 |     fn fmt(&self, mut f: &mut Formatter<'_>) {
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/print.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 write!(f, "+ ");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 let _ = write!(f, "+ ");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/print.rs:20:75
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'_, U> {
[INFO] [stdout]    |                                    --              --                     ^^ the same lifetime is elided here
[INFO] [stdout]    |                                    |               |
[INFO] [stdout]    |                                    |               the lifetime is named here
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 20 -         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'_, U> {
[INFO] [stdout] 20 +         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'b, U> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.51s
[INFO] running `Command { std: "docker" "inspect" "b7b1e5c1a10bc0c8dd9105bc5bd23583bd077266df9a23c9200d2d8837e666a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b1e5c1a10bc0c8dd9105bc5bd23583bd077266df9a23c9200d2d8837e666a9", kill_on_drop: false }`
[INFO] [stdout] b7b1e5c1a10bc0c8dd9105bc5bd23583bd077266df9a23c9200d2d8837e666a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da9f995e263a6658ee18b1ceb7d87dea1a4f2461c6191017f5105000d7771d4
[INFO] running `Command { std: "docker" "start" "-a" "0da9f995e263a6658ee18b1ceb7d87dea1a4f2461c6191017f5105000d7771d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-doc-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/print.rs:399:49
[INFO] [stdout]     |
[INFO] [stdout] 399 |             rustdoc_types::Type::ResolvedPath { name, id, args, param_names } => {
[INFO] [stdout]     |                                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param_names`
[INFO] [stdout]    --> src/print.rs:399:65
[INFO] [stdout]     |
[INFO] [stdout] 399 |             rustdoc_types::Type::ResolvedPath { name, id, args, param_names } => {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^ help: try ignoring the field: `param_names: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bindings`
[INFO] [stdout]    --> src/print.rs:450:64
[INFO] [stdout]     |
[INFO] [stdout] 450 |             rustdoc_types::GenericArgs::AngleBracketed { args, bindings } => {
[INFO] [stdout]     |                                                                ^^^^^^^^ help: try ignoring the field: `bindings: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/print.rs:552:19
[INFO] [stdout]     |
[INFO] [stdout] 552 |     fn fmt(&self, mut f: &mut Formatter<'_>) {
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/print.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 write!(f, "+ ");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 let _ = write!(f, "+ ");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/print.rs:20:75
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'_, U> {
[INFO] [stdout]    |                                    --              --                     ^^ the same lifetime is elided here
[INFO] [stdout]    |                                    |               |
[INFO] [stdout]    |                                    |               the lifetime is named here
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]    |
[INFO] [stdout] 20 -         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'_, U> {
[INFO] [stdout] 20 +         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'b, U> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "0da9f995e263a6658ee18b1ceb7d87dea1a4f2461c6191017f5105000d7771d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da9f995e263a6658ee18b1ceb7d87dea1a4f2461c6191017f5105000d7771d4", kill_on_drop: false }`
[INFO] [stdout] 0da9f995e263a6658ee18b1ceb7d87dea1a4f2461c6191017f5105000d7771d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff0d4d827474be8949463e09c8d9a30132e0c78d8f7f1038ff18b7786b466084
[INFO] running `Command { std: "docker" "start" "-a" "ff0d4d827474be8949463e09c8d9a30132e0c78d8f7f1038ff18b7786b466084", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/print.rs:399:49
[INFO] [stderr]     |
[INFO] [stderr] 399 |             rustdoc_types::Type::ResolvedPath { name, id, args, param_names } => {
[INFO] [stderr]     |                                                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_names`
[INFO] [stderr]    --> src/print.rs:399:65
[INFO] [stderr]     |
[INFO] [stderr] 399 |             rustdoc_types::Type::ResolvedPath { name, id, args, param_names } => {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^ help: try ignoring the field: `param_names: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bindings`
[INFO] [stderr]    --> src/print.rs:450:64
[INFO] [stderr]     |
[INFO] [stderr] 450 |             rustdoc_types::GenericArgs::AngleBracketed { args, bindings } => {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: try ignoring the field: `bindings: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/print.rs:552:19
[INFO] [stderr]     |
[INFO] [stderr] 552 |     fn fmt(&self, mut f: &mut Formatter<'_>) {
[INFO] [stderr]     |                   ----^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/print.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 write!(f, "+ ");
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 let _ = write!(f, "+ ");
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/print.rs:20:75
[INFO] [stderr]    |
[INFO] [stderr] 20 |         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'_, U> {
[INFO] [stderr]    |                                    --              --                     ^^ the same lifetime is elided here
[INFO] [stderr]    |                                    |               |
[INFO] [stderr]    |                                    |               the lifetime is named here
[INFO] [stderr]    |                                    the lifetime is named 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: consistently use `'b`
[INFO] [stderr]    |
[INFO] [stderr] 20 -         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'_, U> {
[INFO] [stderr] 20 +         pub(crate) fn nest<'b, U>(&'b self, name: &'b str, inner: U) -> P<'b, U> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-doc-tree` (bin "cargo-doc-tree" test) generated 6 warnings (run `cargo fix --bin "cargo-doc-tree" -p cargo-doc-tree --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_doc_tree-d1fd1af2bf2f73ca)
[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" "ff0d4d827474be8949463e09c8d9a30132e0c78d8f7f1038ff18b7786b466084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0d4d827474be8949463e09c8d9a30132e0c78d8f7f1038ff18b7786b466084", kill_on_drop: false }`
[INFO] [stdout] ff0d4d827474be8949463e09c8d9a30132e0c78d8f7f1038ff18b7786b466084
