[INFO] cloning repository https://github.com/oxide-byte/cargo-tree-mermaid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxide-byte/cargo-tree-mermaid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxide-byte%2Fcargo-tree-mermaid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxide-byte%2Fcargo-tree-mermaid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e335606581df345026dcff3a40789ee72592baf8
[INFO] checking oxide-byte/cargo-tree-mermaid against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxide-byte%2Fcargo-tree-mermaid" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oxide-byte/cargo-tree-mermaid
[INFO] finished tweaking git repo https://github.com/oxide-byte/cargo-tree-mermaid
[INFO] tweaked toml for git repo https://github.com/oxide-byte/cargo-tree-mermaid written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oxide-byte/cargo-tree-mermaid on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oxide-byte/cargo-tree-mermaid 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.16
[INFO] [stderr]   Downloaded predicates v3.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f36d7459a8ec5dbe8095f2811d516a749ef2751ab13d78b5312ecade85bddc5b
[INFO] running `Command { std: "docker" "start" "-a" "f36d7459a8ec5dbe8095f2811d516a749ef2751ab13d78b5312ecade85bddc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36d7459a8ec5dbe8095f2811d516a749ef2751ab13d78b5312ecade85bddc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36d7459a8ec5dbe8095f2811d516a749ef2751ab13d78b5312ecade85bddc5b", kill_on_drop: false }`
[INFO] [stdout] f36d7459a8ec5dbe8095f2811d516a749ef2751ab13d78b5312ecade85bddc5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb993874c89c5617cff4418204df1219b3ff72070945353b223841241000fd3
[INFO] running `Command { std: "docker" "start" "-a" "8bb993874c89c5617cff4418204df1219b3ff72070945353b223841241000fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling assert_cmd v2.0.16
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking bstr v1.10.0
[INFO] [stderr]     Checking predicates v3.1.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking cargo-tree-mermaid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/args.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/mermaid_graph.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     /**
[INFO] [stdout] 130 | |     if let Some((last_continues, rest)) = levels_continue.split_last() {
[INFO] [stdout] 131 | |         for continues in rest {
[INFO] [stdout] 132 | |             let c = if *continues { symbols.down } else { " " };
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |     **/
[INFO] [stdout]     | |_______^
[INFO] [stdout] ...
[INFO] [stdout] 147 | /     if !new {
[INFO] [stdout] 148 | |         return;
[INFO] [stdout] 149 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `/* */` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/args.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/mermaid_graph.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     /**
[INFO] [stdout] 130 | |     if let Some((last_continues, rest)) = levels_continue.split_last() {
[INFO] [stdout] 131 | |         for continues in rest {
[INFO] [stdout] 132 | |             let c = if *continues { symbols.down } else { " " };
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |     **/
[INFO] [stdout]     | |_______^
[INFO] [stdout] ...
[INFO] [stdout] 147 | /     if !new {
[INFO] [stdout] 148 | |         return;
[INFO] [stdout] 149 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `/* */` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/mermaid_graph.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let name = match kind {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_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: `mermaid`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mermaid = generate_mermaid_graph(&args, &graph)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mermaid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `format` is never read
[INFO] [stdout]   --> src/args.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub format: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/mermaid_graph.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let name = match kind {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_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: `mermaid`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mermaid = generate_mermaid_graph(&args, &graph)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mermaid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `format` is never read
[INFO] [stdout]   --> src/args.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub format: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.24s
[INFO] running `Command { std: "docker" "inspect" "8bb993874c89c5617cff4418204df1219b3ff72070945353b223841241000fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb993874c89c5617cff4418204df1219b3ff72070945353b223841241000fd3", kill_on_drop: false }`
[INFO] [stdout] 8bb993874c89c5617cff4418204df1219b3ff72070945353b223841241000fd3
