Nov 29 15:41:17.155 INFO checking varzac/rust_collections against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 15:41:17.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 15:41:17.446 INFO [stdout] 7a734305b506c6385869d884fb1c27cba264cd8af062ca3dd859b9544b50b9c6
Nov 29 15:41:17.448 INFO running `"docker" "start" "-a" "7a734305b506c6385869d884fb1c27cba264cd8af062ca3dd859b9544b50b9c6"`
Nov 29 15:41:17.965 INFO [stderr] usermod: no changes
Nov 29 15:41:17.991 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Nov 29 15:41:17.991 INFO [stderr] please set bin.path in Cargo.toml
Nov 29 15:41:17.993 INFO [stderr]     Checking linked_list v0.0.1 (/source)
Nov 29 15:41:18.164 INFO [stderr] warning: method is never used: `delete_val`
Nov 29 15:41:18.164 INFO [stderr]   --> src/linked_list.rs:14:5
Nov 29 15:41:18.164 INFO [stderr]    |
Nov 29 15:41:18.164 INFO [stderr] 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Nov 29 15:41:18.164 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:41:18.164 INFO [stderr]    |
Nov 29 15:41:18.164 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 15:41:18.164 INFO [stderr] 
Nov 29 15:41:18.164 INFO [stderr] warning: method is never used: `insert_val`
Nov 29 15:41:18.164 INFO [stderr]   --> src/linked_list.rs:38:5
Nov 29 15:41:18.164 INFO [stderr]    |
Nov 29 15:41:18.164 INFO [stderr] 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Nov 29 15:41:18.164 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:41:18.164 INFO [stderr] 
Nov 29 15:41:18.164 INFO [stderr] warning: method is never used: `length`
Nov 29 15:41:18.164 INFO [stderr]   --> src/linked_list.rs:42:5
Nov 29 15:41:18.164 INFO [stderr]    |
Nov 29 15:41:18.164 INFO [stderr] 42 |     fn length(&self) -> i32 {
Nov 29 15:41:18.164 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:41:18.164 INFO [stderr] 
Nov 29 15:41:18.164 INFO [stderr] warning: method is never used: `find`
Nov 29 15:41:18.164 INFO [stderr]   --> src/linked_list.rs:66:5
Nov 29 15:41:18.164 INFO [stderr]    |
Nov 29 15:41:18.164 INFO [stderr] 66 |     fn find(&self, val: T) -> Option<i32> {
Nov 29 15:41:18.164 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 15:41:18.164 INFO [stderr] 
Nov 29 15:41:18.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
Nov 29 15:41:18.226 INFO [stderr] su: No module specific data is present
Nov 29 15:41:18.492 INFO running `"docker" "inspect" "7a734305b506c6385869d884fb1c27cba264cd8af062ca3dd859b9544b50b9c6"`
Nov 29 15:41:18.574 INFO running `"docker" "rm" "-f" "7a734305b506c6385869d884fb1c27cba264cd8af062ca3dd859b9544b50b9c6"`
Nov 29 15:41:18.674 INFO [stdout] 7a734305b506c6385869d884fb1c27cba264cd8af062ca3dd859b9544b50b9c6