[INFO] fetching crate wool 0.1.3... [INFO] checking wool-0.1.3 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087 [INFO] extracting crate wool 0.1.3 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate wool 0.1.3 on toolchain d939f708d960161d23b964309ba68ff207fc0ead [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate wool 0.1.3 [INFO] finished tweaking crates.io crate wool 0.1.3 [INFO] tweaked toml for crates.io crate wool 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate wool 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b85593ba61eda17220a84a48d43c5ad43441512761a79eab786c5bcccae84cd5 [INFO] running `"docker" "start" "-a" "b85593ba61eda17220a84a48d43c5ad43441512761a79eab786c5bcccae84cd5"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pest_generator v2.1.2 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking gh-emoji v1.0.2 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking inotify v0.8.2 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking chashmap v2.2.2 [INFO] [stderr] Checking notify v5.0.0-pre.2 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking comrak v0.7.0 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking hyper-staticfile v0.5.1 [INFO] [stderr] Checking wool v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `format_boilerplate_no_preview` [INFO] [stderr] --> src/template.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn format_boilerplate_no_preview(_filename: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `format_boilerplate_no_preview` [INFO] [stderr] --> src/template.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn format_boilerplate_no_preview(_filename: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Error` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_sync::*` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use tokio_sync::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::*` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | use tokio::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_fs::*` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | use tokio_fs::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_sync::*` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use tokio_sync::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::include_str` [INFO] [stderr] --> src/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | use std::include_str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Error` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_sync::*` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use tokio_sync::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::*` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | use tokio::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_fs::*` [INFO] [stderr] --> src/main.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | use tokio_fs::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_sync::*` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use tokio_sync::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::include_str` [INFO] [stderr] --> src/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | use std::include_str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut response = Response::builder(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut response = Response::builder(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let mut response = Response::builder(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:160:27 [INFO] [stderr] | [INFO] [stderr] 160 | if let Ok(mut file) = File::open(&fullpath).await { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:161:25 [INFO] [stderr] | [INFO] [stderr] 161 | let mut buf = String::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_io` [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use tokio_io::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/main.rs:160:31 [INFO] [stderr] | [INFO] [stderr] 160 | if let Ok(mut file) = File::open(&fullpath).await { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `static_file` [INFO] [stderr] --> src/main.rs:149:10 [INFO] [stderr] | [INFO] [stderr] 149 | async fn static_file(req: Request) -> Result, hyper::Error> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:337:9 [INFO] [stderr] | [INFO] [stderr] 337 | file.write_all(katex::KATEX_CSS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:338:9 [INFO] [stderr] | [INFO] [stderr] 338 | file.write_all(katex::KATEXJS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:339:9 [INFO] [stderr] | [INFO] [stderr] 339 | file.write_all(katex::AUTO_RELOAD.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:340:9 [INFO] [stderr] | [INFO] [stderr] 340 | / file.write_all((r#" "#).as_bytes());} [INFO] [stderr] | |__________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:377:9 [INFO] [stderr] | [INFO] [stderr] 377 | file.write_all(katex::KATEX_CSS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | file.write_all(katex::KATEXJS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:379:9 [INFO] [stderr] | [INFO] [stderr] 379 | file.write_all(katex::AUTO_RELOAD.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:380:9 [INFO] [stderr] | [INFO] [stderr] 380 | / file.write_all((r#" "#).as_bytes());} [INFO] [stderr] | |__________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut response = Response::builder(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut response = Response::builder(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let mut response = Response::builder(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:160:27 [INFO] [stderr] | [INFO] [stderr] 160 | if let Ok(mut file) = File::open(&fullpath).await { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:161:25 [INFO] [stderr] | [INFO] [stderr] 161 | let mut buf = String::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_io` [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use tokio_io::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/main.rs:160:31 [INFO] [stderr] | [INFO] [stderr] 160 | if let Ok(mut file) = File::open(&fullpath).await { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `static_file` [INFO] [stderr] --> src/main.rs:149:10 [INFO] [stderr] | [INFO] [stderr] 149 | async fn static_file(req: Request) -> Result, hyper::Error> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:337:9 [INFO] [stderr] | [INFO] [stderr] 337 | file.write_all(katex::KATEX_CSS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:338:9 [INFO] [stderr] | [INFO] [stderr] 338 | file.write_all(katex::KATEXJS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:339:9 [INFO] [stderr] | [INFO] [stderr] 339 | file.write_all(katex::AUTO_RELOAD.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:340:9 [INFO] [stderr] | [INFO] [stderr] 340 | / file.write_all((r#" "#).as_bytes());} [INFO] [stderr] | |__________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:377:9 [INFO] [stderr] | [INFO] [stderr] 377 | file.write_all(katex::KATEX_CSS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | file.write_all(katex::KATEXJS.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:379:9 [INFO] [stderr] | [INFO] [stderr] 379 | file.write_all(katex::AUTO_RELOAD.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:380:9 [INFO] [stderr] | [INFO] [stderr] 380 | / file.write_all((r#" "#).as_bytes());} [INFO] [stderr] | |__________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.52s [INFO] running `"docker" "inspect" "b85593ba61eda17220a84a48d43c5ad43441512761a79eab786c5bcccae84cd5"` [INFO] running `"docker" "rm" "-f" "b85593ba61eda17220a84a48d43c5ad43441512761a79eab786c5bcccae84cd5"` [INFO] [stdout] b85593ba61eda17220a84a48d43c5ad43441512761a79eab786c5bcccae84cd5