Dec 05 02:57:32.069 INFO testing varzac/rust_collections against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 02:57:32.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 05 02:57:32.308 INFO [stdout] bfb8a1f7f9dc09c682934531774d6a7f3710373d81074b57e7f532af96eaecf6
Dec 05 02:57:32.314 INFO running `"docker" "start" "-a" "bfb8a1f7f9dc09c682934531774d6a7f3710373d81074b57e7f532af96eaecf6"`
Dec 05 02:57:32.810 INFO [stderr] usermod: no changes
Dec 05 02:57:32.840 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Dec 05 02:57:32.840 INFO [stderr] please set bin.path in Cargo.toml
Dec 05 02:57:32.840 INFO [stderr]    Compiling linked_list v0.0.1 (/source)
Dec 05 02:57:32.992 INFO [stderr] warning: method is never used: `delete_val`
Dec 05 02:57:32.992 INFO [stderr]   --> src/linked_list.rs:14:5
Dec 05 02:57:32.992 INFO [stderr]    |
Dec 05 02:57:32.992 INFO [stderr] 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Dec 05 02:57:32.992 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:57:32.992 INFO [stderr]    |
Dec 05 02:57:32.992 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:57:32.992 INFO [stderr] 
Dec 05 02:57:32.992 INFO [stderr] warning: method is never used: `insert_val`
Dec 05 02:57:32.992 INFO [stderr]   --> src/linked_list.rs:38:5
Dec 05 02:57:32.992 INFO [stderr]    |
Dec 05 02:57:32.992 INFO [stderr] 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Dec 05 02:57:32.992 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:57:32.993 INFO [stderr] 
Dec 05 02:57:32.993 INFO [stderr] warning: method is never used: `length`
Dec 05 02:57:32.993 INFO [stderr]   --> src/linked_list.rs:42:5
Dec 05 02:57:32.993 INFO [stderr]    |
Dec 05 02:57:32.993 INFO [stderr] 42 |     fn length(&self) -> i32 {
Dec 05 02:57:32.993 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:57:32.993 INFO [stderr] 
Dec 05 02:57:32.993 INFO [stderr] warning: method is never used: `find`
Dec 05 02:57:32.993 INFO [stderr]   --> src/linked_list.rs:66:5
Dec 05 02:57:32.993 INFO [stderr]    |
Dec 05 02:57:32.993 INFO [stderr] 66 |     fn find(&self, val: T) -> Option<i32> {
Dec 05 02:57:32.993 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:57:32.993 INFO [stderr] 
Dec 05 02:57:33.221 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 05 02:57:33.224 INFO [stderr] su: No module specific data is present
Dec 05 02:57:33.524 INFO running `"docker" "inspect" "bfb8a1f7f9dc09c682934531774d6a7f3710373d81074b57e7f532af96eaecf6"`
Dec 05 02:57:33.622 INFO running `"docker" "rm" "-f" "bfb8a1f7f9dc09c682934531774d6a7f3710373d81074b57e7f532af96eaecf6"`
Dec 05 02:57:33.732 INFO [stdout] bfb8a1f7f9dc09c682934531774d6a7f3710373d81074b57e7f532af96eaecf6
Dec 05 02:57:33.741 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 05 02:57:33.967 INFO [stdout] be0a2dc46635c18b8a5bcfd5c36562087125674ea775551e884e0ce42c3e680a
Dec 05 02:57:33.970 INFO running `"docker" "start" "-a" "be0a2dc46635c18b8a5bcfd5c36562087125674ea775551e884e0ce42c3e680a"`
Dec 05 02:57:34.520 INFO [stderr] usermod: no changes
Dec 05 02:57:34.561 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Dec 05 02:57:34.561 INFO [stderr] please set bin.path in Cargo.toml
Dec 05 02:57:34.564 INFO [stderr]    Compiling linked_list v0.0.1 (/source)
Dec 05 02:57:35.155 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 05 02:57:35.157 INFO [stderr] su: No module specific data is present
Dec 05 02:57:35.521 INFO running `"docker" "inspect" "be0a2dc46635c18b8a5bcfd5c36562087125674ea775551e884e0ce42c3e680a"`
Dec 05 02:57:35.617 INFO running `"docker" "rm" "-f" "be0a2dc46635c18b8a5bcfd5c36562087125674ea775551e884e0ce42c3e680a"`
Dec 05 02:57:35.712 INFO [stdout] be0a2dc46635c18b8a5bcfd5c36562087125674ea775551e884e0ce42c3e680a
Dec 05 02:57:35.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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"`
Dec 05 02:57:35.902 INFO [stdout] b33e4dc6aa4e8e8bc3a41e206bd9b157ad6b4624e731ca5699580afbddde783c
Dec 05 02:57:35.906 INFO running `"docker" "start" "-a" "b33e4dc6aa4e8e8bc3a41e206bd9b157ad6b4624e731ca5699580afbddde783c"`
Dec 05 02:57:36.328 INFO [stderr] usermod: no changes
Dec 05 02:57:36.356 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Dec 05 02:57:36.357 INFO [stderr] please set bin.path in Cargo.toml
Dec 05 02:57:36.357 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 02:57:36.357 INFO [stderr]      Running /target/debug/deps/linked_list-04102a5d83465c5e
Dec 05 02:57:36.361 INFO [stdout] 
Dec 05 02:57:36.361 INFO [stdout] running 11 tests
Dec 05 02:57:36.364 INFO [stdout] test test_clone ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_delete_only_element ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_delete_found ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_find_exists ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_get ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_delete_not_found ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_find_not_exists ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_eq ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_insert_val ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_get_oob ... ok
Dec 05 02:57:36.377 INFO [stdout] test test_length ... ok
Dec 05 02:57:36.377 INFO [stdout] 
Dec 05 02:57:36.377 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 02:57:36.377 INFO [stdout] 
Dec 05 02:57:36.379 INFO [stderr] su: No module specific data is present
Dec 05 02:57:36.622 INFO running `"docker" "inspect" "b33e4dc6aa4e8e8bc3a41e206bd9b157ad6b4624e731ca5699580afbddde783c"`
Dec 05 02:57:36.719 INFO running `"docker" "rm" "-f" "b33e4dc6aa4e8e8bc3a41e206bd9b157ad6b4624e731ca5699580afbddde783c"`
Dec 05 02:57:36.795 INFO [stdout] b33e4dc6aa4e8e8bc3a41e206bd9b157ad6b4624e731ca5699580afbddde783c