[INFO] cloning repository edwardwohaijun/unwrap
[INFO] running `"git" "clone" "--bare" "git://github.com/edwardwohaijun/unwrap.git" "work/cache/sources/gh/edwardwohaijun/unwrap"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/edwardwohaijun/unwrap'...
[INFO] running `"git" "clone" "work/cache/sources/gh/edwardwohaijun/unwrap" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/edwardwohaijun/unwrap"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/edwardwohaijun/unwrap'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/edwardwohaijun/unwrap" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/edwardwohaijun/unwrap"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/edwardwohaijun/unwrap'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea51b3fb4617fefb875e90081c9e1577228a8e1a
[INFO] sha for GitHub repo edwardwohaijun/unwrap: ea51b3fb4617fefb875e90081c9e1577228a8e1a
[INFO] validating manifest of edwardwohaijun/unwrap on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of edwardwohaijun/unwrap on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing edwardwohaijun/unwrap
[INFO] finished frobbing edwardwohaijun/unwrap
[INFO] frobbed toml for edwardwohaijun/unwrap written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/edwardwohaijun/unwrap/Cargo.toml
[INFO] started frobbing edwardwohaijun/unwrap
[INFO] finished frobbing edwardwohaijun/unwrap
[INFO] frobbed toml for edwardwohaijun/unwrap written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/edwardwohaijun/unwrap/Cargo.toml
[INFO] crate edwardwohaijun/unwrap already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking edwardwohaijun/unwrap against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/edwardwohaijun/unwrap:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d1d5ada55e09aac950f4134232a48f9e5cc66f14dbb92f2247ddf81debe82979
[INFO] running `"docker" "start" "-a" "d1d5ada55e09aac950f4134232a48f9e5cc66f14dbb92f2247ddf81debe82979"`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tar v0.4.20
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking zip v0.5.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking tree_magic v0.2.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking unrar v0.4.3
[INFO] [stderr]     Checking unwrap v0.1.0 (/opt/crater/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<String> { // 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<String> { // 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 17.64s
[INFO] running `"docker" "inspect" "d1d5ada55e09aac950f4134232a48f9e5cc66f14dbb92f2247ddf81debe82979"`
[INFO] running `"docker" "rm" "-f" "d1d5ada55e09aac950f4134232a48f9e5cc66f14dbb92f2247ddf81debe82979"`
[INFO] [stdout] d1d5ada55e09aac950f4134232a48f9e5cc66f14dbb92f2247ddf81debe82979