[INFO] cloning repository https://github.com/Vagelis-Prokopiou/dubespurger [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vagelis-Prokopiou/dubespurger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Fdubespurger"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Fdubespurger'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b4da909810a4283cb0d574ab7737a0905a088646 [INFO] checking Vagelis-Prokopiou/dubespurger against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Fdubespurger" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vagelis-Prokopiou/dubespurger on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Vagelis-Prokopiou/dubespurger [INFO] finished tweaking git repo https://github.com/Vagelis-Prokopiou/dubespurger [INFO] tweaked toml for git repo https://github.com/Vagelis-Prokopiou/dubespurger written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Vagelis-Prokopiou/dubespurger already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] b71e5069fb8ead579ea4364df3555d0d44cc4c7061a680a711dad5f71baa8367 [INFO] running `"docker" "start" "-a" "b71e5069fb8ead579ea4364df3555d0d44cc4c7061a680a711dad5f71baa8367"` [INFO] [stderr] Checking dubespurger v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `files` [INFO] [stderr] --> src/main.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut files: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_files` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let filename: OsString = entry.file_name(); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/main.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | let path: PathBuf = entry.path(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut files: HashMap> = HashMap::new(); [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 variable: `files` [INFO] [stderr] --> src/main.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut files: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_files` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let filename: OsString = entry.file_name(); [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/main.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | let path: PathBuf = entry.path(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut files: HashMap> = HashMap::new(); [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] Finished dev [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `"docker" "inspect" "b71e5069fb8ead579ea4364df3555d0d44cc4c7061a680a711dad5f71baa8367"` [INFO] running `"docker" "rm" "-f" "b71e5069fb8ead579ea4364df3555d0d44cc4c7061a680a711dad5f71baa8367"` [INFO] [stdout] b71e5069fb8ead579ea4364df3555d0d44cc4c7061a680a711dad5f71baa8367