Dec 17 12:28:52.946 INFO checking vivainio/rraf against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:28:52.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:28:53.346 INFO [stdout] 134bd2da0ce90b1a834d9db821df2b04c0ce703a7ef9a68c2a512d325b21d5f6
Dec 17 12:28:53.350 INFO running `"docker" "start" "-a" "134bd2da0ce90b1a834d9db821df2b04c0ce703a7ef9a68c2a512d325b21d5f6"`
Dec 17 12:28:55.338 INFO [stderr]     Checking memchr v0.1.11
Dec 17 12:28:55.350 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 12:28:55.350 INFO [stderr]     Checking walkdir v0.1.8
Dec 17 12:28:55.741 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 12:28:55.796 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 17 12:28:56.571 INFO [stderr]     Checking regex v0.1.80
Dec 17 12:28:58.630 INFO [stderr]     Checking rraf v1.0.1 (/opt/crater/workdir)
Dec 17 12:28:58.886 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 17 12:28:58.886 INFO [stderr]  --> src/winhandle.rs:4:5
Dec 17 12:28:58.886 INFO [stderr]   |
Dec 17 12:28:58.887 INFO [stderr] 4 | use std::str::FromStr;
Dec 17 12:28:58.887 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 12:28:58.887 INFO [stderr]   |
Dec 17 12:28:58.887 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:28:58.888 INFO [stderr] 
Dec 17 12:28:58.956 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 17 12:28:58.957 INFO [stderr]  --> src/winhandle.rs:4:5
Dec 17 12:28:58.957 INFO [stderr]   |
Dec 17 12:28:58.957 INFO [stderr] 4 | use std::str::FromStr;
Dec 17 12:28:58.958 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 12:28:58.958 INFO [stderr]   |
Dec 17 12:28:58.958 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:28:58.958 INFO [stderr] 
Dec 17 12:28:59.096 INFO [stderr] warning: unused variable: `o`
Dec 17 12:28:59.096 INFO [stderr]   --> src/winhandle.rs:16:7
Dec 17 12:28:59.097 INFO [stderr]    |
Dec 17 12:28:59.097 INFO [stderr] 16 |         let o = Command::new("handle")
Dec 17 12:28:59.097 INFO [stderr]    |             ^ help: consider using `_o` instead
Dec 17 12:28:59.097 INFO [stderr]    |
Dec 17 12:28:59.097 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 12:28:59.097 INFO [stderr] 
Dec 17 12:28:59.160 INFO [stderr] warning: field is never used: `file_name`
Dec 17 12:28:59.160 INFO [stderr]   --> src/winhandle.rs:10:2
Dec 17 12:28:59.160 INFO [stderr]    |
Dec 17 12:28:59.161 INFO [stderr] 10 |     file_name: String
Dec 17 12:28:59.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 12:28:59.164 INFO [stderr]    |
Dec 17 12:28:59.164 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:28:59.164 INFO [stderr] 
Dec 17 12:28:59.165 INFO [stderr] warning: function is never used: `dump_named_captures`
Dec 17 12:28:59.165 INFO [stderr]   --> src/winhandle.rs:29:1
Dec 17 12:28:59.165 INFO [stderr]    |
Dec 17 12:28:59.165 INFO [stderr] 29 | fn dump_named_captures(cs: &Captures) {
Dec 17 12:28:59.165 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:28:59.165 INFO [stderr] 
Dec 17 12:28:59.167 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 12:28:59.167 INFO [stderr]    --> src/main.rs:157:13
Dec 17 12:28:59.167 INFO [stderr]     |
Dec 17 12:28:59.168 INFO [stderr] 157 |             fs::remove_dir_all(path);
Dec 17 12:28:59.168 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:28:59.168 INFO [stderr]     |
Dec 17 12:28:59.168 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 12:28:59.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:28:59.169 INFO [stderr] 
Dec 17 12:28:59.193 INFO [stderr] warning: unused variable: `o`
Dec 17 12:28:59.193 INFO [stderr]   --> src/winhandle.rs:16:7
Dec 17 12:28:59.193 INFO [stderr]    |
Dec 17 12:28:59.193 INFO [stderr] 16 |         let o = Command::new("handle")
Dec 17 12:28:59.193 INFO [stderr]    |             ^ help: consider using `_o` instead
Dec 17 12:28:59.193 INFO [stderr]    |
Dec 17 12:28:59.194 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 12:28:59.194 INFO [stderr] 
Dec 17 12:28:59.248 INFO [stderr] warning: field is never used: `file_name`
Dec 17 12:28:59.248 INFO [stderr]   --> src/winhandle.rs:10:2
Dec 17 12:28:59.248 INFO [stderr]    |
Dec 17 12:28:59.249 INFO [stderr] 10 |     file_name: String
Dec 17 12:28:59.249 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 12:28:59.249 INFO [stderr]    |
Dec 17 12:28:59.249 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:28:59.249 INFO [stderr] 
Dec 17 12:28:59.249 INFO [stderr] warning: function is never used: `dump_named_captures`
Dec 17 12:28:59.249 INFO [stderr]   --> src/winhandle.rs:29:1
Dec 17 12:28:59.249 INFO [stderr]    |
Dec 17 12:28:59.249 INFO [stderr] 29 | fn dump_named_captures(cs: &Captures) {
Dec 17 12:28:59.249 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:28:59.250 INFO [stderr] 
Dec 17 12:28:59.269 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 12:28:59.269 INFO [stderr]    --> src/main.rs:157:13
Dec 17 12:28:59.269 INFO [stderr]     |
Dec 17 12:28:59.269 INFO [stderr] 157 |             fs::remove_dir_all(path);
Dec 17 12:28:59.269 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:28:59.269 INFO [stderr]     |
Dec 17 12:28:59.269 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 12:28:59.270 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:28:59.270 INFO [stderr] 
Dec 17 12:28:59.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
Dec 17 12:29:00.964 INFO running `"docker" "inspect" "134bd2da0ce90b1a834d9db821df2b04c0ce703a7ef9a68c2a512d325b21d5f6"`
Dec 17 12:29:01.404 INFO running `"docker" "rm" "-f" "134bd2da0ce90b1a834d9db821df2b04c0ce703a7ef9a68c2a512d325b21d5f6"`
Dec 17 12:29:01.768 INFO [stdout] 134bd2da0ce90b1a834d9db821df2b04c0ce703a7ef9a68c2a512d325b21d5f6