[INFO] updating cached repository https://github.com/edwardwohaijun/unwrap [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] ea51b3fb4617fefb875e90081c9e1577228a8e1a [INFO] checking edwardwohaijun/unwrap against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardwohaijun%2Funwrap" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/edwardwohaijun/unwrap on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/edwardwohaijun/unwrap [INFO] finished tweaking git repo https://github.com/edwardwohaijun/unwrap [INFO] tweaked toml for git repo https://github.com/edwardwohaijun/unwrap written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/edwardwohaijun/unwrap already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 735de17470672c520af0cba92bb19f6838b812aa78a8bccdc9f7c38a3c148982 [INFO] running `"docker" "start" "-a" "735de17470672c520af0cba92bb19f6838b812aa78a8bccdc9f7c38a3c148982"` [INFO] [stderr] Compiling bzip2-sys v0.1.7 [INFO] [stderr] Compiling unrar_sys v0.2.0 [INFO] [stderr] Compiling rust-lzma v0.4.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking tar v0.4.20 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking zip v0.5.0 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking tree_magic v0.2.1 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking unrar v0.4.3 [INFO] [stderr] Checking unwrap v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `create_dir` [INFO] [stderr] --> src/main.rs:251:1 [INFO] [stderr] | [INFO] [stderr] 251 | fn create_dir(path: &str) -> io::Result { // after moving this fn into a module, make this one private [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `path_digi_suffix` should have an upper case name [INFO] [stderr] --> src/main.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | static ref path_digi_suffix: Regex = Regex::new(r"_\((\d+)\)$").unwrap(); // to match a directory name: this_is_a_directory_(123) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PATH_DIGI_SUFFIX` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_dir` [INFO] [stderr] --> src/main.rs:251:1 [INFO] [stderr] | [INFO] [stderr] 251 | fn create_dir(path: &str) -> io::Result { // after moving this fn into a module, make this one private [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `path_digi_suffix` should have an upper case name [INFO] [stderr] --> src/main.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | static ref path_digi_suffix: Regex = Regex::new(r"_\((\d+)\)$").unwrap(); // to match a directory name: this_is_a_directory_(123) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PATH_DIGI_SUFFIX` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.09s [INFO] running `"docker" "inspect" "735de17470672c520af0cba92bb19f6838b812aa78a8bccdc9f7c38a3c148982"` [INFO] running `"docker" "rm" "-f" "735de17470672c520af0cba92bb19f6838b812aa78a8bccdc9f7c38a3c148982"` [INFO] [stdout] 735de17470672c520af0cba92bb19f6838b812aa78a8bccdc9f7c38a3c148982