Dec 19 06:01:47.453 INFO checking vivainio/rraf against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:01:47.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/vivainio/rraf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:01:47.982 INFO [stdout] 98cdc8c9fc6e21a623e0cea88557d1f2864d95e938d5bcc03e0b293f01e1127d
Dec 19 06:01:47.985 INFO running `"docker" "start" "-a" "98cdc8c9fc6e21a623e0cea88557d1f2864d95e938d5bcc03e0b293f01e1127d"`
Dec 19 06:01:50.621 INFO [stderr]     Checking memchr v0.1.11
Dec 19 06:01:50.628 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 06:01:50.629 INFO [stderr]     Checking walkdir v0.1.8
Dec 19 06:01:51.040 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 06:01:51.191 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 06:01:52.208 INFO [stderr]     Checking regex v0.1.80
Dec 19 06:01:54.064 INFO [stderr]     Checking rraf v1.0.1 (/opt/crater/workdir)
Dec 19 06:01:54.248 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 19 06:01:54.248 INFO [stderr]  --> src/winhandle.rs:4:5
Dec 19 06:01:54.248 INFO [stderr]   |
Dec 19 06:01:54.248 INFO [stderr] 4 | use std::str::FromStr;
Dec 19 06:01:54.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.248 INFO [stderr]   |
Dec 19 06:01:54.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:01:54.248 INFO [stderr] 
Dec 19 06:01:54.349 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 19 06:01:54.350 INFO [stderr]  --> src/winhandle.rs:4:5
Dec 19 06:01:54.350 INFO [stderr]   |
Dec 19 06:01:54.350 INFO [stderr] 4 | use std::str::FromStr;
Dec 19 06:01:54.351 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.351 INFO [stderr]   |
Dec 19 06:01:54.351 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:01:54.351 INFO [stderr] 
Dec 19 06:01:54.452 INFO [stderr] warning: unused variable: `o`
Dec 19 06:01:54.452 INFO [stderr]   --> src/winhandle.rs:16:7
Dec 19 06:01:54.452 INFO [stderr]    |
Dec 19 06:01:54.452 INFO [stderr] 16 |         let o = Command::new("handle")
Dec 19 06:01:54.453 INFO [stderr]    |             ^ help: consider using `_o` instead
Dec 19 06:01:54.456 INFO [stderr]    |
Dec 19 06:01:54.456 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:01:54.456 INFO [stderr] 
Dec 19 06:01:54.552 INFO [stderr] warning: field is never used: `file_name`
Dec 19 06:01:54.553 INFO [stderr]   --> src/winhandle.rs:10:2
Dec 19 06:01:54.553 INFO [stderr]    |
Dec 19 06:01:54.553 INFO [stderr] 10 |     file_name: String
Dec 19 06:01:54.553 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.553 INFO [stderr]    |
Dec 19 06:01:54.556 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:01:54.556 INFO [stderr] 
Dec 19 06:01:54.556 INFO [stderr] warning: function is never used: `dump_named_captures`
Dec 19 06:01:54.556 INFO [stderr]   --> src/winhandle.rs:29:1
Dec 19 06:01:54.556 INFO [stderr]    |
Dec 19 06:01:54.556 INFO [stderr] 29 | fn dump_named_captures(cs: &Captures) {
Dec 19 06:01:54.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.556 INFO [stderr] 
Dec 19 06:01:54.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:01:54.557 INFO [stderr]    --> src/main.rs:157:13
Dec 19 06:01:54.557 INFO [stderr]     |
Dec 19 06:01:54.558 INFO [stderr] 157 |             fs::remove_dir_all(path);
Dec 19 06:01:54.558 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.558 INFO [stderr]     |
Dec 19 06:01:54.558 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 06:01:54.558 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:01:54.558 INFO [stderr] 
Dec 19 06:01:54.720 INFO [stderr] warning: unused variable: `o`
Dec 19 06:01:54.720 INFO [stderr]   --> src/winhandle.rs:16:7
Dec 19 06:01:54.720 INFO [stderr]    |
Dec 19 06:01:54.720 INFO [stderr] 16 |         let o = Command::new("handle")
Dec 19 06:01:54.720 INFO [stderr]    |             ^ help: consider using `_o` instead
Dec 19 06:01:54.720 INFO [stderr]    |
Dec 19 06:01:54.720 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:01:54.720 INFO [stderr] 
Dec 19 06:01:54.764 INFO [stderr] warning: field is never used: `file_name`
Dec 19 06:01:54.764 INFO [stderr]   --> src/winhandle.rs:10:2
Dec 19 06:01:54.764 INFO [stderr]    |
Dec 19 06:01:54.764 INFO [stderr] 10 |     file_name: String
Dec 19 06:01:54.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.764 INFO [stderr]    |
Dec 19 06:01:54.764 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:01:54.764 INFO [stderr] 
Dec 19 06:01:54.764 INFO [stderr] warning: function is never used: `dump_named_captures`
Dec 19 06:01:54.764 INFO [stderr]   --> src/winhandle.rs:29:1
Dec 19 06:01:54.765 INFO [stderr]    |
Dec 19 06:01:54.765 INFO [stderr] 29 | fn dump_named_captures(cs: &Captures) {
Dec 19 06:01:54.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.765 INFO [stderr] 
Dec 19 06:01:54.765 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:01:54.765 INFO [stderr]    --> src/main.rs:157:13
Dec 19 06:01:54.765 INFO [stderr]     |
Dec 19 06:01:54.765 INFO [stderr] 157 |             fs::remove_dir_all(path);
Dec 19 06:01:54.765 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:01:54.765 INFO [stderr]     |
Dec 19 06:01:54.765 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 06:01:54.765 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:01:54.765 INFO [stderr] 
Dec 19 06:01:54.799 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
Dec 19 06:01:55.536 INFO running `"docker" "inspect" "98cdc8c9fc6e21a623e0cea88557d1f2864d95e938d5bcc03e0b293f01e1127d"`
Dec 19 06:01:55.870 INFO running `"docker" "rm" "-f" "98cdc8c9fc6e21a623e0cea88557d1f2864d95e938d5bcc03e0b293f01e1127d"`
Dec 19 06:01:56.084 INFO [stdout] 98cdc8c9fc6e21a623e0cea88557d1f2864d95e938d5bcc03e0b293f01e1127d