Dec 18 12:17:18.515 INFO checking rivet-0.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:17:18.515 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rivet/0.0.1:/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 18 12:17:18.974 INFO [stdout] befc5728fa793c8fe92f5e46b76b446c29b5506da26ffe4666e89aea1eda1b4f
Dec 18 12:17:18.976 INFO running `"docker" "start" "-a" "befc5728fa793c8fe92f5e46b76b446c29b5506da26ffe4666e89aea1eda1b4f"`
Dec 18 12:17:21.455 INFO [stderr]     Checking string-interner v0.6.3
Dec 18 12:17:21.457 INFO [stderr]     Checking rustyline v1.0.0
Dec 18 12:17:21.478 INFO [stderr]     Checking nom v3.2.1
Dec 18 12:17:23.667 INFO [stderr]     Checking rivet v0.0.1 (/opt/crater/workdir)
Dec 18 12:17:24.135 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 18 12:17:24.135 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 12:17:24.135 INFO [stderr]   |
Dec 18 12:17:24.135 INFO [stderr] 2 | use std::collections::HashMap;
Dec 18 12:17:24.135 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.135 INFO [stderr]   |
Dec 18 12:17:24.135 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:17:24.135 INFO [stderr] 
Dec 18 12:17:24.135 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 12:17:24.135 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 12:17:24.135 INFO [stderr]   |
Dec 18 12:17:24.135 INFO [stderr] 5 | #[macro_use]
Dec 18 12:17:24.135 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 12:17:24.135 INFO [stderr] 
Dec 18 12:17:24.135 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 18 12:17:24.135 INFO [stderr]  --> src/builtins.rs:1:5
Dec 18 12:17:24.135 INFO [stderr]   |
Dec 18 12:17:24.135 INFO [stderr] 1 | use std::collections::HashMap;
Dec 18 12:17:24.135 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.135 INFO [stderr] 
Dec 18 12:17:24.135 INFO [stderr] warning: unused import: `nom::*`
Dec 18 12:17:24.135 INFO [stderr]   --> src/lexer.rs:95:5
Dec 18 12:17:24.135 INFO [stderr]    |
Dec 18 12:17:24.135 INFO [stderr] 95 | use nom::*;
Dec 18 12:17:24.135 INFO [stderr]    |     ^^^^^^
Dec 18 12:17:24.135 INFO [stderr] 
Dec 18 12:17:24.135 INFO [stderr] warning: unused import: `std::cmp`
Dec 18 12:17:24.135 INFO [stderr]  --> src/vm.rs:2:5
Dec 18 12:17:24.135 INFO [stderr]   |
Dec 18 12:17:24.135 INFO [stderr] 2 | use std::cmp;
Dec 18 12:17:24.135 INFO [stderr]   |     ^^^^^^^^
Dec 18 12:17:24.135 INFO [stderr] 
Dec 18 12:17:24.176 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 18 12:17:24.176 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 12:17:24.176 INFO [stderr]   |
Dec 18 12:17:24.176 INFO [stderr] 2 | use std::collections::HashMap;
Dec 18 12:17:24.176 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.176 INFO [stderr]   |
Dec 18 12:17:24.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:17:24.176 INFO [stderr] 
Dec 18 12:17:24.176 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 12:17:24.176 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 12:17:24.176 INFO [stderr]   |
Dec 18 12:17:24.176 INFO [stderr] 5 | #[macro_use]
Dec 18 12:17:24.176 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 12:17:24.176 INFO [stderr] 
Dec 18 12:17:24.176 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 18 12:17:24.176 INFO [stderr]  --> src/builtins.rs:1:5
Dec 18 12:17:24.176 INFO [stderr]   |
Dec 18 12:17:24.176 INFO [stderr] 1 | use std::collections::HashMap;
Dec 18 12:17:24.176 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.176 INFO [stderr] 
Dec 18 12:17:24.178 INFO [stderr] warning: unused import: `nom::*`
Dec 18 12:17:24.178 INFO [stderr]   --> src/lexer.rs:95:5
Dec 18 12:17:24.178 INFO [stderr]    |
Dec 18 12:17:24.178 INFO [stderr] 95 | use nom::*;
Dec 18 12:17:24.178 INFO [stderr]    |     ^^^^^^
Dec 18 12:17:24.178 INFO [stderr] 
Dec 18 12:17:24.184 INFO [stderr] warning: unused import: `std::cmp`
Dec 18 12:17:24.184 INFO [stderr]  --> src/vm.rs:2:5
Dec 18 12:17:24.184 INFO [stderr]   |
Dec 18 12:17:24.184 INFO [stderr] 2 | use std::cmp;
Dec 18 12:17:24.184 INFO [stderr]   |     ^^^^^^^^
Dec 18 12:17:24.184 INFO [stderr] 
Dec 18 12:17:24.184 INFO [stderr] warning: unused import: `vm::Value::*`
Dec 18 12:17:24.184 INFO [stderr]    --> src/vm.rs:304:9
Dec 18 12:17:24.184 INFO [stderr]     |
Dec 18 12:17:24.184 INFO [stderr] 304 |     use vm::Value::*;
Dec 18 12:17:24.184 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 18 12:17:24.184 INFO [stderr] 
Dec 18 12:17:24.184 INFO [stderr] warning: unused import: `builtins`
Dec 18 12:17:24.184 INFO [stderr]    --> src/vm.rs:305:9
Dec 18 12:17:24.184 INFO [stderr]     |
Dec 18 12:17:24.184 INFO [stderr] 305 |     use builtins;
Dec 18 12:17:24.184 INFO [stderr]     |         ^^^^^^^^
Dec 18 12:17:24.184 INFO [stderr] 
Dec 18 12:17:24.652 INFO [stderr] warning: method is never used: `is_id`
Dec 18 12:17:24.652 INFO [stderr]   --> src/lexer.rs:26:5
Dec 18 12:17:24.652 INFO [stderr]    |
Dec 18 12:17:24.652 INFO [stderr] 26 |     fn is_id(&self) -> bool {
Dec 18 12:17:24.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.652 INFO [stderr]    |
Dec 18 12:17:24.652 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 12:17:24.652 INFO [stderr] 
Dec 18 12:17:24.652 INFO [stderr] warning: method is never used: `get_int`
Dec 18 12:17:24.652 INFO [stderr]   --> src/vm.rs:53:5
Dec 18 12:17:24.652 INFO [stderr]    |
Dec 18 12:17:24.652 INFO [stderr] 53 |     fn get_int(&self) -> Option<i32> {
Dec 18 12:17:24.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.652 INFO [stderr] 
Dec 18 12:17:24.652 INFO [stderr] warning: method is never used: `get_block`
Dec 18 12:17:24.652 INFO [stderr]   --> src/vm.rs:60:5
Dec 18 12:17:24.652 INFO [stderr]    |
Dec 18 12:17:24.652 INFO [stderr] 60 |     fn get_block(&self) -> Option<&[Ast]> {
Dec 18 12:17:24.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.652 INFO [stderr] 
Dec 18 12:17:24.652 INFO [stderr] warning: method is never used: `get_symbol`
Dec 18 12:17:24.652 INFO [stderr]   --> src/vm.rs:67:5
Dec 18 12:17:24.652 INFO [stderr]    |
Dec 18 12:17:24.652 INFO [stderr] 67 |     fn get_symbol(&self) -> Option<&str> {
Dec 18 12:17:24.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.652 INFO [stderr] 
Dec 18 12:17:24.652 INFO [stderr] warning: method is never used: `quote`
Dec 18 12:17:24.652 INFO [stderr]   --> src/vm.rs:74:5
Dec 18 12:17:24.652 INFO [stderr]    |
Dec 18 12:17:24.652 INFO [stderr] 74 |     fn quote(&self) -> Ast {
Dec 18 12:17:24.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.652 INFO [stderr] 
Dec 18 12:17:24.892 INFO [stderr] warning: method is never used: `is_id`
Dec 18 12:17:24.892 INFO [stderr]   --> src/lexer.rs:26:5
Dec 18 12:17:24.892 INFO [stderr]    |
Dec 18 12:17:24.892 INFO [stderr] 26 |     fn is_id(&self) -> bool {
Dec 18 12:17:24.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.892 INFO [stderr]    |
Dec 18 12:17:24.892 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 12:17:24.892 INFO [stderr] 
Dec 18 12:17:24.892 INFO [stderr] warning: method is never used: `get_int`
Dec 18 12:17:24.892 INFO [stderr]   --> src/vm.rs:53:5
Dec 18 12:17:24.892 INFO [stderr]    |
Dec 18 12:17:24.892 INFO [stderr] 53 |     fn get_int(&self) -> Option<i32> {
Dec 18 12:17:24.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.892 INFO [stderr] 
Dec 18 12:17:24.892 INFO [stderr] warning: method is never used: `get_block`
Dec 18 12:17:24.892 INFO [stderr]   --> src/vm.rs:60:5
Dec 18 12:17:24.892 INFO [stderr]    |
Dec 18 12:17:24.892 INFO [stderr] 60 |     fn get_block(&self) -> Option<&[Ast]> {
Dec 18 12:17:24.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.892 INFO [stderr] 
Dec 18 12:17:24.892 INFO [stderr] warning: method is never used: `get_symbol`
Dec 18 12:17:24.892 INFO [stderr]   --> src/vm.rs:67:5
Dec 18 12:17:24.892 INFO [stderr]    |
Dec 18 12:17:24.892 INFO [stderr] 67 |     fn get_symbol(&self) -> Option<&str> {
Dec 18 12:17:24.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.892 INFO [stderr] 
Dec 18 12:17:24.892 INFO [stderr] warning: method is never used: `quote`
Dec 18 12:17:24.892 INFO [stderr]   --> src/vm.rs:74:5
Dec 18 12:17:24.892 INFO [stderr]    |
Dec 18 12:17:24.892 INFO [stderr] 74 |     fn quote(&self) -> Ast {
Dec 18 12:17:24.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:17:24.892 INFO [stderr] 
Dec 18 12:17:25.327 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Dec 18 12:17:25.644 INFO running `"docker" "inspect" "befc5728fa793c8fe92f5e46b76b446c29b5506da26ffe4666e89aea1eda1b4f"`
Dec 18 12:17:25.747 INFO running `"docker" "rm" "-f" "befc5728fa793c8fe92f5e46b76b446c29b5506da26ffe4666e89aea1eda1b4f"`
Dec 18 12:17:25.877 INFO [stdout] befc5728fa793c8fe92f5e46b76b446c29b5506da26ffe4666e89aea1eda1b4f