Dec 12 22:34:54.620 INFO testing varzac/rust_collections against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 22:34:54.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12 22:34:54.997 INFO [stdout] abd62d9c3c8b057992b1fe09ed2f2251e7e270a2dbde3b68df74fa51655c7724
Dec 12 22:34:54.997 INFO running `"docker" "start" "-a" "abd62d9c3c8b057992b1fe09ed2f2251e7e270a2dbde3b68df74fa51655c7724"`
Dec 12 22:34:55.510 INFO [stderr] usermod: no changes
Dec 12 22:34:55.533 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Dec 12 22:34:55.533 INFO [stderr] please set bin.path in Cargo.toml
Dec 12 22:34:55.534 INFO [stderr]    Compiling linked_list v0.0.1 (/source)
Dec 12 22:34:55.684 INFO [stderr] warning: method is never used: `delete_val`
Dec 12 22:34:55.684 INFO [stderr]   --> src/linked_list.rs:14:5
Dec 12 22:34:55.684 INFO [stderr]    |
Dec 12 22:34:55.684 INFO [stderr] 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Dec 12 22:34:55.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:34:55.684 INFO [stderr]    |
Dec 12 22:34:55.684 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 22:34:55.684 INFO [stderr] 
Dec 12 22:34:55.684 INFO [stderr] warning: method is never used: `insert_val`
Dec 12 22:34:55.684 INFO [stderr]   --> src/linked_list.rs:38:5
Dec 12 22:34:55.684 INFO [stderr]    |
Dec 12 22:34:55.684 INFO [stderr] 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Dec 12 22:34:55.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:34:55.684 INFO [stderr] 
Dec 12 22:34:55.684 INFO [stderr] warning: method is never used: `length`
Dec 12 22:34:55.684 INFO [stderr]   --> src/linked_list.rs:42:5
Dec 12 22:34:55.684 INFO [stderr]    |
Dec 12 22:34:55.684 INFO [stderr] 42 |     fn length(&self) -> i32 {
Dec 12 22:34:55.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:34:55.684 INFO [stderr] 
Dec 12 22:34:55.684 INFO [stderr] warning: method is never used: `find`
Dec 12 22:34:55.684 INFO [stderr]   --> src/linked_list.rs:66:5
Dec 12 22:34:55.684 INFO [stderr]    |
Dec 12 22:34:55.684 INFO [stderr] 66 |     fn find(&self, val: T) -> Option<i32> {
Dec 12 22:34:55.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:34:55.684 INFO [stderr] 
Dec 12 22:34:55.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 12 22:34:55.971 INFO [stderr] su: No module specific data is present
Dec 12 22:34:56.523 INFO running `"docker" "inspect" "abd62d9c3c8b057992b1fe09ed2f2251e7e270a2dbde3b68df74fa51655c7724"`
Dec 12 22:34:56.831 INFO running `"docker" "rm" "-f" "abd62d9c3c8b057992b1fe09ed2f2251e7e270a2dbde3b68df74fa51655c7724"`
Dec 12 22:34:57.126 INFO [stdout] abd62d9c3c8b057992b1fe09ed2f2251e7e270a2dbde3b68df74fa51655c7724
Dec 12 22:34:57.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12 22:34:57.662 INFO [stdout] c9e31a2d9de4d656654772db190eec0369d82db83ecd62dd4200d32af93bf062
Dec 12 22:34:57.662 INFO running `"docker" "start" "-a" "c9e31a2d9de4d656654772db190eec0369d82db83ecd62dd4200d32af93bf062"`
Dec 12 22:34:58.727 INFO [stderr] usermod: no changes
Dec 12 22:34:58.778 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Dec 12 22:34:58.778 INFO [stderr] please set bin.path in Cargo.toml
Dec 12 22:34:58.784 INFO [stderr]    Compiling linked_list v0.0.1 (/source)
Dec 12 22:34:59.824 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 12 22:34:59.829 INFO [stderr] su: No module specific data is present
Dec 12 22:35:00.704 INFO running `"docker" "inspect" "c9e31a2d9de4d656654772db190eec0369d82db83ecd62dd4200d32af93bf062"`
Dec 12 22:35:01.011 INFO running `"docker" "rm" "-f" "c9e31a2d9de4d656654772db190eec0369d82db83ecd62dd4200d32af93bf062"`
Dec 12 22:35:01.387 INFO [stdout] c9e31a2d9de4d656654772db190eec0369d82db83ecd62dd4200d32af93bf062
Dec 12 22:35:01.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12 22:35:01.918 INFO [stdout] 6b8e11822dff00281a0b82f99ab0d0ea1effcb981a1bddeb1965a8c3306a062a
Dec 12 22:35:01.923 INFO running `"docker" "start" "-a" "6b8e11822dff00281a0b82f99ab0d0ea1effcb981a1bddeb1965a8c3306a062a"`
Dec 12 22:35:03.202 INFO [stderr] usermod: no changes
Dec 12 22:35:03.276 INFO [stderr] warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Dec 12 22:35:03.276 INFO [stderr] please set bin.path in Cargo.toml
Dec 12 22:35:03.276 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 12 22:35:03.277 INFO [stderr]      Running /target/debug/deps/linked_list-62856b7b41153bfa
Dec 12 22:35:03.284 INFO [stdout] 
Dec 12 22:35:03.284 INFO [stdout] running 11 tests
Dec 12 22:35:03.285 INFO [stdout] test test_delete_not_found ... ok
Dec 12 22:35:03.285 INFO [stdout] test test_delete_found ... ok
Dec 12 22:35:03.285 INFO [stdout] test test_eq ... ok
Dec 12 22:35:03.285 INFO [stdout] test test_find_exists ... ok
Dec 12 22:35:03.287 INFO [stdout] test test_insert_val ... ok
Dec 12 22:35:03.287 INFO [stdout] test test_length ... ok
Dec 12 22:35:03.287 INFO [stdout] test test_get_oob ... ok
Dec 12 22:35:03.287 INFO [stdout] test test_get ... ok
Dec 12 22:35:03.287 INFO [stdout] test test_find_not_exists ... ok
Dec 12 22:35:03.296 INFO [stdout] test test_clone ... ok
Dec 12 22:35:03.296 INFO [stdout] test test_delete_only_element ... ok
Dec 12 22:35:03.296 INFO [stdout] 
Dec 12 22:35:03.296 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 22:35:03.296 INFO [stdout] 
Dec 12 22:35:03.303 INFO [stderr] su: No module specific data is present
Dec 12 22:35:04.369 INFO running `"docker" "inspect" "6b8e11822dff00281a0b82f99ab0d0ea1effcb981a1bddeb1965a8c3306a062a"`
Dec 12 22:35:04.695 INFO running `"docker" "rm" "-f" "6b8e11822dff00281a0b82f99ab0d0ea1effcb981a1bddeb1965a8c3306a062a"`
Dec 12 22:35:05.059 INFO [stdout] 6b8e11822dff00281a0b82f99ab0d0ea1effcb981a1bddeb1965a8c3306a062a