Dec 11 17:08:47.845 INFO checking idubrov/crazy-traits against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 17:08:47.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 17:08:48.320 INFO [stdout] e39f150859a5c88f9fa4028247e8cd27824ac341620e8f92260f00fa892b36eb
Dec 11 17:08:48.326 INFO running `"docker" "start" "-a" "e39f150859a5c88f9fa4028247e8cd27824ac341620e8f92260f00fa892b36eb"`
Dec 11 17:08:49.407 INFO [stderr] usermod: no changes
Dec 11 17:08:49.498 INFO [stderr]    Compiling owning_ref v0.3.3
Dec 11 17:08:49.516 INFO [stderr]     Checking dynasmrt v0.2.3
Dec 11 17:08:50.153 INFO [stderr]    Compiling dynasm v0.2.3
Dec 11 17:09:05.034 INFO [stderr]     Checking crazy-traits v0.1.0 (/source)
Dec 11 17:09:05.788 INFO [stderr] warning: struct is never constructed: `Wrapper`
Dec 11 17:09:05.788 INFO [stderr]  --> src/arena.rs:6:1
Dec 11 17:09:05.788 INFO [stderr]   |
Dec 11 17:09:05.788 INFO [stderr] 6 | struct Wrapper {
Dec 11 17:09:05.788 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 11 17:09:05.788 INFO [stderr]   |
Dec 11 17:09:05.788 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 17:09:05.788 INFO [stderr] 
Dec 11 17:09:05.788 INFO [stderr] warning: struct is never constructed: `TypeSystem`
Dec 11 17:09:05.788 INFO [stderr]   --> src/arena.rs:21:1
Dec 11 17:09:05.788 INFO [stderr]    |
Dec 11 17:09:05.788 INFO [stderr] 21 | struct TypeSystem {
Dec 11 17:09:05.788 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.788 INFO [stderr] 
Dec 11 17:09:05.788 INFO [stderr] warning: method is never used: `new`
Dec 11 17:09:05.788 INFO [stderr]   --> src/arena.rs:26:5
Dec 11 17:09:05.788 INFO [stderr]    |
Dec 11 17:09:05.788 INFO [stderr] 26 |     pub fn new() -> Self {
Dec 11 17:09:05.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.788 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: method is never used: `annotate`
Dec 11 17:09:05.789 INFO [stderr]   --> src/arena.rs:32:5
Dec 11 17:09:05.789 INFO [stderr]    |
Dec 11 17:09:05.789 INFO [stderr] 32 |     pub fn annotate<'a: 'b, 'b>(&'a self, input: &'b String, type_name: &str) -> &'b dyn Object {
Dec 11 17:09:05.789 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: struct is never constructed: `TraitObject`
Dec 11 17:09:05.789 INFO [stderr]   --> src/dynvtable.rs:13:1
Dec 11 17:09:05.789 INFO [stderr]    |
Dec 11 17:09:05.789 INFO [stderr] 13 | struct TraitObject {
Dec 11 17:09:05.789 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: field is never used: `vtable`
Dec 11 17:09:05.789 INFO [stderr]   --> src/dynvtable.rs:43:5
Dec 11 17:09:05.789 INFO [stderr]    |
Dec 11 17:09:05.789 INFO [stderr] 43 |     vtable: ObjectVirtualTable,
Dec 11 17:09:05.789 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: field is never used: `infos`
Dec 11 17:09:05.789 INFO [stderr]   --> src/dynvtable.rs:50:5
Dec 11 17:09:05.789 INFO [stderr]    |
Dec 11 17:09:05.789 INFO [stderr] 50 |     infos: RefCell<HashMap<String, TypeInfo>>,
Dec 11 17:09:05.789 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: method is never used: `annotate`
Dec 11 17:09:05.789 INFO [stderr]   --> src/dynvtable.rs:54:5
Dec 11 17:09:05.789 INFO [stderr]    |
Dec 11 17:09:05.789 INFO [stderr] 54 |     pub fn annotate<'a: 'b, 'b>(&'a self, input: &'b String, type_name: &str) -> &'b dyn Object {
Dec 11 17:09:05.789 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: struct is never constructed: `Wrapper`
Dec 11 17:09:05.789 INFO [stderr]  --> src/leaking.rs:6:1
Dec 11 17:09:05.789 INFO [stderr]   |
Dec 11 17:09:05.789 INFO [stderr] 6 | struct Wrapper<'a> {
Dec 11 17:09:05.789 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:05.789 INFO [stderr] warning: function is never used: `annotate`
Dec 11 17:09:05.789 INFO [stderr]   --> src/leaking.rs:21:1
Dec 11 17:09:05.789 INFO [stderr]    |
Dec 11 17:09:05.789 INFO [stderr] 21 | fn annotate<'a>(input: &'a String, type_name: &str) -> &'a dyn Object {
Dec 11 17:09:05.789 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:09:05.789 INFO [stderr] 
Dec 11 17:09:06.090 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.65s
Dec 11 17:09:06.094 INFO [stderr] su: No module specific data is present
Dec 11 17:09:06.709 INFO running `"docker" "inspect" "e39f150859a5c88f9fa4028247e8cd27824ac341620e8f92260f00fa892b36eb"`
Dec 11 17:09:06.930 INFO running `"docker" "rm" "-f" "e39f150859a5c88f9fa4028247e8cd27824ac341620e8f92260f00fa892b36eb"`
Dec 11 17:09:07.380 INFO [stdout] e39f150859a5c88f9fa4028247e8cd27824ac341620e8f92260f00fa892b36eb