[INFO] fetching crate kotoba-docs 0.1.16...
[INFO] checking kotoba-docs-0.1.16 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146-1
[INFO] extracting crate kotoba-docs 0.1.16 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kotoba-docs 0.1.16
[INFO] finished tweaking crates.io crate kotoba-docs 0.1.16
[INFO] tweaked toml for crates.io crate kotoba-docs 0.1.16 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kotoba-docs 0.1.16 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kotoba-docs 0.1.16 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab01aa58bbd809e1b78a754c4bed69a1b110e98e51b6466fea00454936227f2f
[INFO] running `Command { std: "docker" "start" "-a" "ab01aa58bbd809e1b78a754c4bed69a1b110e98e51b6466fea00454936227f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab01aa58bbd809e1b78a754c4bed69a1b110e98e51b6466fea00454936227f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab01aa58bbd809e1b78a754c4bed69a1b110e98e51b6466fea00454936227f2f", kill_on_drop: false }`
[INFO] [stdout] ab01aa58bbd809e1b78a754c4bed69a1b110e98e51b6466fea00454936227f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 366910bd6d247559de52829e0e01d39ceebaa699cdfd92b9f3fd7c94ebd167e7
[INFO] running `Command { std: "docker" "start" "-a" "366910bd6d247559de52829e0e01d39ceebaa699cdfd92b9f3fd7c94ebd167e7", kill_on_drop: false }`
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[INFO] [stderr]     Checking kotoba-docs v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/lib.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::path::{Path, PathBuf};
[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 import: `PathBuf`
[INFO] [stdout]  --> src/parser.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/generator.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DocType`
[INFO] [stdout]  --> src/search.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{DocItem, DocType, Result, DocsError};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/search.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/template.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/template.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/generator.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut errors = 0;
[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 import: `Path`
[INFO] [stdout]   --> src/lib.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::path::{Path, PathBuf};
[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 import: `PathBuf`
[INFO] [stdout]  --> src/parser.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/generator.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DocType`
[INFO] [stdout]  --> src/search.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{DocItem, DocType, Result, DocsError};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/search.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/template.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/template.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/generator.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut errors = 0;
[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 variable: `ext`
[INFO] [stdout]   --> src/parser.rs:74:29
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 if let Some(ext) = entry.path().extension().and_then(|e| e.to_str()) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_comment_regex`
[INFO] [stdout]    --> src/parser.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let doc_comment_regex = Regex::new(r"///(.*)")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_comment_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jsdoc_regex`
[INFO] [stdout]    --> src/parser.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let jsdoc_regex = Regex::new(r"/\*\*\s*\n([^*]|\*[^/])*\*/")
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jsdoc_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `docstring_regex`
[INFO] [stdout]    --> src/parser.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let docstring_regex = Regex::new(r#"(?:"""([\s\S]*?)"""|'''([\s\S]*?)''')"#)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_docstring_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment_regex`
[INFO] [stdout]    --> src/parser.rs:463:13
[INFO] [stdout]     |
[INFO] [stdout] 463 |         let comment_regex = Regex::new(r"//(.*)")
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]   --> src/generator.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut errors = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]   --> src/parser.rs:74:29
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 if let Some(ext) = entry.path().extension().and_then(|e| e.to_str()) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_comment_regex`
[INFO] [stdout]    --> src/parser.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let doc_comment_regex = Regex::new(r"///(.*)")
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_comment_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jsdoc_regex`
[INFO] [stdout]    --> src/parser.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let jsdoc_regex = Regex::new(r"/\*\*\s*\n([^*]|\*[^/])*\*/")
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_jsdoc_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/template.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut tera_context = self.create_tera_context(context);
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `docstring_regex`
[INFO] [stdout]    --> src/parser.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let docstring_regex = Regex::new(r#"(?:"""([\s\S]*?)"""|'''([\s\S]*?)''')"#)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_docstring_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]    --> src/template.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let pattern = format!("{}/**/*.html", dir.display());
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment_regex`
[INFO] [stdout]    --> src/parser.rs:463:13
[INFO] [stdout]     |
[INFO] [stdout] 463 |         let comment_regex = Regex::new(r"//(.*)")
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment_regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module_items`
[INFO] [stdout]    --> src/template.rs:545:5
[INFO] [stdout]     |
[INFO] [stdout] 545 |     module_items: Vec<DocItem>,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]   --> src/generator.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut errors = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/template.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut tera_context = self.create_tera_context(context);
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]    --> src/template.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let pattern = format!("{}/**/*.html", dir.display());
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module_items`
[INFO] [stdout]    --> src/template.rs:545:5
[INFO] [stdout]     |
[INFO] [stdout] 545 |     module_items: Vec<DocItem>,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: kotoba-core v0.1.19
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "366910bd6d247559de52829e0e01d39ceebaa699cdfd92b9f3fd7c94ebd167e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366910bd6d247559de52829e0e01d39ceebaa699cdfd92b9f3fd7c94ebd167e7", kill_on_drop: false }`
[INFO] [stdout] 366910bd6d247559de52829e0e01d39ceebaa699cdfd92b9f3fd7c94ebd167e7
