[INFO] updating cached repository https://github.com/KhanhML/khanhml.github.io [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 761cc8fd3e1942d56947b35dbc0d97190a885fff [INFO] checking KhanhML/khanhml.github.io against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKhanhML%2Fkhanhml.github.io" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 90% (28062/31061) Checking out files: 91% (28266/31061) Checking out files: 92% (28577/31061) Checking out files: 93% (28887/31061) Checking out files: 94% (29198/31061) Checking out files: 95% (29508/31061) Checking out files: 96% (29819/31061) Checking out files: 97% (30130/31061) Checking out files: 98% (30440/31061) Checking out files: 99% (30751/31061) Checking out files: 100% (31061/31061) Checking out files: 100% (31061/31061), done. [INFO] validating manifest of git repo https://github.com/KhanhML/khanhml.github.io on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/KhanhML/khanhml.github.io [INFO] finished tweaking git repo https://github.com/KhanhML/khanhml.github.io [INFO] tweaked toml for git repo https://github.com/KhanhML/khanhml.github.io written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/KhanhML/khanhml.github.io already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] f6d97ca2d281864c6c257c4a24bc7b06cab629072cd333bd5fdf5bcd4dd07f67 [INFO] running `"docker" "start" "-a" "f6d97ca2d281864c6c257c4a24bc7b06cab629072cd333bd5fdf5bcd4dd07f67"` [INFO] [stderr] Compiling derive_builder v0.5.1 [INFO] [stderr] Checking typed-arena v1.3.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking encoding_rs v0.7.2 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Compiling derive_builder_core v0.2.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling pest_derive v1.0.7 [INFO] [stderr] Checking regex v1.0.0 [INFO] [stderr] Compiling syn v0.13.10 [INFO] [stderr] Checking backtrace v0.3.7 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking quick-xml v0.12.1 [INFO] [stderr] Checking rss v1.5.0 [INFO] [stderr] Checking comrak v0.2.12 [INFO] [stderr] Compiling derive-error-chain v0.11.1 [INFO] [stderr] Checking dotenv v0.11.0 [INFO] [stderr] Checking generator-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `domain_name` [INFO] [stderr] --> src/main.rs:166:9 [INFO] [stderr] | [INFO] [stderr] 166 | let domain_name = env::var("DOMAIN_NAME").unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_domain_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:277:33 [INFO] [stderr] | [INFO] [stderr] 277 | ... let mut tag_posts = shared.tags.get_mut(&format!("{}", tag)).unwrap(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:248:5 [INFO] [stderr] | [INFO] [stderr] 248 | output_file.write_all(channel.to_string().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 variable: `domain_name` [INFO] [stderr] --> src/main.rs:166:9 [INFO] [stderr] | [INFO] [stderr] 166 | let domain_name = env::var("DOMAIN_NAME").unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_domain_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:277:33 [INFO] [stderr] | [INFO] [stderr] 277 | ... let mut tag_posts = shared.tags.get_mut(&format!("{}", tag)).unwrap(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:248:5 [INFO] [stderr] | [INFO] [stderr] 248 | output_file.write_all(channel.to_string().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] Finished dev [unoptimized + debuginfo] target(s) in 48.81s [INFO] running `"docker" "inspect" "f6d97ca2d281864c6c257c4a24bc7b06cab629072cd333bd5fdf5bcd4dd07f67"` [INFO] running `"docker" "rm" "-f" "f6d97ca2d281864c6c257c4a24bc7b06cab629072cd333bd5fdf5bcd4dd07f67"` [INFO] [stdout] f6d97ca2d281864c6c257c4a24bc7b06cab629072cd333bd5fdf5bcd4dd07f67