Dec 17 23:02:52.157 INFO checking idubrov/crazy-traits against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:02:52.157 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/idubrov/crazy-traits:/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 23:02:52.504 INFO [stdout] 31db682952c2e7846c0712b3aec2d3e10c3b2e85276ec6de6ba37efc14f44e9b
Dec 17 23:02:52.506 INFO running `"docker" "start" "-a" "31db682952c2e7846c0712b3aec2d3e10c3b2e85276ec6de6ba37efc14f44e9b"`
Dec 17 23:02:53.316 INFO [stderr]    Compiling dynasm v0.2.3
Dec 17 23:02:53.316 INFO [stderr]     Checking dynasmrt v0.2.3
Dec 17 23:03:06.093 INFO [stderr]     Checking crazy-traits v0.1.0 (/opt/crater/workdir)
Dec 17 23:03:06.530 INFO [stderr] warning: struct is never constructed: `Wrapper`
Dec 17 23:03:06.530 INFO [stderr]  --> src/arena.rs:6:1
Dec 17 23:03:06.530 INFO [stderr]   |
Dec 17 23:03:06.531 INFO [stderr] 6 | struct Wrapper {
Dec 17 23:03:06.531 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 17 23:03:06.531 INFO [stderr]   |
Dec 17 23:03:06.531 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 23:03:06.532 INFO [stderr] 
Dec 17 23:03:06.532 INFO [stderr] warning: struct is never constructed: `TypeSystem`
Dec 17 23:03:06.532 INFO [stderr]   --> src/arena.rs:21:1
Dec 17 23:03:06.533 INFO [stderr]    |
Dec 17 23:03:06.533 INFO [stderr] 21 | struct TypeSystem {
Dec 17 23:03:06.533 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.533 INFO [stderr] 
Dec 17 23:03:06.534 INFO [stderr] warning: method is never used: `new`
Dec 17 23:03:06.534 INFO [stderr]   --> src/arena.rs:26:5
Dec 17 23:03:06.534 INFO [stderr]    |
Dec 17 23:03:06.534 INFO [stderr] 26 |     pub fn new() -> Self {
Dec 17 23:03:06.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.535 INFO [stderr] 
Dec 17 23:03:06.535 INFO [stderr] warning: method is never used: `annotate`
Dec 17 23:03:06.535 INFO [stderr]   --> src/arena.rs:32:5
Dec 17 23:03:06.536 INFO [stderr]    |
Dec 17 23:03:06.536 INFO [stderr] 32 |     pub fn annotate<'a: 'b, 'b>(&'a self, input: &'b String, type_name: &str) -> &'b dyn Object {
Dec 17 23:03:06.536 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.536 INFO [stderr] 
Dec 17 23:03:06.537 INFO [stderr] warning: struct is never constructed: `TraitObject`
Dec 17 23:03:06.537 INFO [stderr]   --> src/dynvtable.rs:13:1
Dec 17 23:03:06.537 INFO [stderr]    |
Dec 17 23:03:06.537 INFO [stderr] 13 | struct TraitObject {
Dec 17 23:03:06.538 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.538 INFO [stderr] 
Dec 17 23:03:06.538 INFO [stderr] warning: field is never used: `vtable`
Dec 17 23:03:06.538 INFO [stderr]   --> src/dynvtable.rs:43:5
Dec 17 23:03:06.539 INFO [stderr]    |
Dec 17 23:03:06.539 INFO [stderr] 43 |     vtable: ObjectVirtualTable,
Dec 17 23:03:06.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.539 INFO [stderr] 
Dec 17 23:03:06.540 INFO [stderr] warning: field is never used: `infos`
Dec 17 23:03:06.540 INFO [stderr]   --> src/dynvtable.rs:50:5
Dec 17 23:03:06.540 INFO [stderr]    |
Dec 17 23:03:06.541 INFO [stderr] 50 |     infos: RefCell<HashMap<String, TypeInfo>>,
Dec 17 23:03:06.541 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.541 INFO [stderr] 
Dec 17 23:03:06.542 INFO [stderr] warning: method is never used: `annotate`
Dec 17 23:03:06.542 INFO [stderr]   --> src/dynvtable.rs:54:5
Dec 17 23:03:06.542 INFO [stderr]    |
Dec 17 23:03:06.542 INFO [stderr] 54 |     pub fn annotate<'a: 'b, 'b>(&'a self, input: &'b String, type_name: &str) -> &'b dyn Object {
Dec 17 23:03:06.543 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.543 INFO [stderr] 
Dec 17 23:03:06.543 INFO [stderr] warning: struct is never constructed: `Wrapper`
Dec 17 23:03:06.544 INFO [stderr]  --> src/leaking.rs:6:1
Dec 17 23:03:06.544 INFO [stderr]   |
Dec 17 23:03:06.544 INFO [stderr] 6 | struct Wrapper<'a> {
Dec 17 23:03:06.545 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.545 INFO [stderr] 
Dec 17 23:03:06.545 INFO [stderr] warning: function is never used: `annotate`
Dec 17 23:03:06.545 INFO [stderr]   --> src/leaking.rs:21:1
Dec 17 23:03:06.546 INFO [stderr]    |
Dec 17 23:03:06.546 INFO [stderr] 21 | fn annotate<'a>(input: &'a String, type_name: &str) -> &'a dyn Object {
Dec 17 23:03:06.546 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:03:06.546 INFO [stderr] 
Dec 17 23:03:06.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
Dec 17 23:03:07.578 INFO running `"docker" "inspect" "31db682952c2e7846c0712b3aec2d3e10c3b2e85276ec6de6ba37efc14f44e9b"`
Dec 17 23:03:07.890 INFO running `"docker" "rm" "-f" "31db682952c2e7846c0712b3aec2d3e10c3b2e85276ec6de6ba37efc14f44e9b"`
Dec 17 23:03:08.191 INFO [stdout] 31db682952c2e7846c0712b3aec2d3e10c3b2e85276ec6de6ba37efc14f44e9b