[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] checking Nemo157/cargo-doc-tree against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fcargo-doc-tree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nemo157/cargo-doc-tree on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded rustdoc-types v0.11.0
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded fn-error-context v0.2.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded cargo_metadata v0.14.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded camino v1.0.5
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a2162fa171c315809edcd819f5290ceb108600b86985cfc724cddd9f51dfe6
[INFO] running `Command { std: "docker" "start" "-a" "58a2162fa171c315809edcd819f5290ceb108600b86985cfc724cddd9f51dfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a2162fa171c315809edcd819f5290ceb108600b86985cfc724cddd9f51dfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a2162fa171c315809edcd819f5290ceb108600b86985cfc724cddd9f51dfe6", kill_on_drop: false }`
[INFO] [stdout] 58a2162fa171c315809edcd819f5290ceb108600b86985cfc724cddd9f51dfe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce1c437b841c3bddecb3165f5eb0c7221491fa29a46c1475457d39ba1a967e1
[INFO] running `Command { std: "docker" "start" "-a" "3ce1c437b841c3bddecb3165f5eb0c7221491fa29a46c1475457d39ba1a967e1", 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 serde_json v1.0.72
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking 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]     Checking fehler v1.0.0
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking rustdoc-types v0.11.0
[INFO] [stderr]     Checking cargo_metadata v0.14.1
[INFO] [stderr]     Checking cargo-doc-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-doc-tree` (bin "cargo-doc-tree") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-doc-tree` (bin "cargo-doc-tree" test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ce1c437b841c3bddecb3165f5eb0c7221491fa29a46c1475457d39ba1a967e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1c437b841c3bddecb3165f5eb0c7221491fa29a46c1475457d39ba1a967e1", kill_on_drop: false }`
[INFO] [stdout] 3ce1c437b841c3bddecb3165f5eb0c7221491fa29a46c1475457d39ba1a967e1
