Dec 19 11:16:01.541 INFO checking panicbit/ross against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:16:01.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/panicbit/ross:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:16:01.915 INFO [stdout] 5a5d2ac0489c7aaaf28e597c7f104d425da9286b55c39d6797a8b8e9bd31959b
Dec 19 11:16:01.917 INFO running `"docker" "start" "-a" "5a5d2ac0489c7aaaf28e597c7f104d425da9286b55c39d6797a8b8e9bd31959b"`
Dec 19 11:16:02.676 INFO [stderr]    Compiling pest v1.0.1
Dec 19 11:16:02.676 INFO [stderr]     Checking backtrace-sys v0.1.16
Dec 19 11:16:02.911 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 11:16:03.376 INFO [stderr]     Checking failure v0.1.1
Dec 19 11:16:03.425 INFO [stderr]    Compiling pest_derive v1.0.1
Dec 19 11:16:07.785 INFO [stderr]     Checking ross v0.1.0 (/opt/crater/workdir)
Dec 19 11:16:08.013 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:16:08.013 INFO [stderr]  --> src/lib.rs:2:1
Dec 19 11:16:08.013 INFO [stderr]   |
Dec 19 11:16:08.013 INFO [stderr] 2 | #[macro_use] extern crate pest;
Dec 19 11:16:08.013 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:16:08.013 INFO [stderr]   |
Dec 19 11:16:08.013 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:16:08.014 INFO [stderr] 
Dec 19 11:16:08.028 INFO [stderr] warning: unused import: `ast::*`
Dec 19 11:16:08.028 INFO [stderr]  --> src/tests.rs:1:5
Dec 19 11:16:08.028 INFO [stderr]   |
Dec 19 11:16:08.028 INFO [stderr] 1 | use ast::*;
Dec 19 11:16:08.028 INFO [stderr]   |     ^^^^^^
Dec 19 11:16:08.028 INFO [stderr]   |
Dec 19 11:16:08.028 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:16:08.028 INFO [stderr] 
Dec 19 11:16:08.264 INFO [stderr] warning: unreachable expression
Dec 19 11:16:08.264 INFO [stderr]   --> src/parser.rs:32:5
Dec 19 11:16:08.264 INFO [stderr]    |
Dec 19 11:16:08.264 INFO [stderr] 32 |     Ok(module)
Dec 19 11:16:08.264 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 11:16:08.264 INFO [stderr]    |
Dec 19 11:16:08.264 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 19 11:16:08.264 INFO [stderr] 
Dec 19 11:16:08.295 INFO [stderr] warning: unreachable expression
Dec 19 11:16:08.295 INFO [stderr]   --> src/parser.rs:32:5
Dec 19 11:16:08.295 INFO [stderr]    |
Dec 19 11:16:08.295 INFO [stderr] 32 |     Ok(module)
Dec 19 11:16:08.295 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 11:16:08.295 INFO [stderr]    |
Dec 19 11:16:08.295 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 19 11:16:08.295 INFO [stderr] 
Dec 19 11:16:08.788 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 19 11:16:08.788 INFO [stderr]  --> src/trans.rs:2:1
Dec 19 11:16:08.788 INFO [stderr]   |
Dec 19 11:16:08.788 INFO [stderr] 2 | struct Scope {
Dec 19 11:16:08.788 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:16:08.788 INFO [stderr]   |
Dec 19 11:16:08.788 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:16:08.788 INFO [stderr] 
Dec 19 11:16:08.789 INFO [stderr] warning: method is never used: `new`
Dec 19 11:16:08.789 INFO [stderr]   --> src/trans.rs:13:5
Dec 19 11:16:08.789 INFO [stderr]    |
Dec 19 11:16:08.789 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 19 11:16:08.789 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.789 INFO [stderr] 
Dec 19 11:16:08.789 INFO [stderr] warning: method is never used: `alloc`
Dec 19 11:16:08.789 INFO [stderr]   --> src/trans.rs:17:5
Dec 19 11:16:08.789 INFO [stderr]    |
Dec 19 11:16:08.789 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 19 11:16:08.790 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.790 INFO [stderr] 
Dec 19 11:16:08.790 INFO [stderr] warning: function is never used: `module`
Dec 19 11:16:08.790 INFO [stderr]  --> src/validate.rs:4:1
Dec 19 11:16:08.790 INFO [stderr]   |
Dec 19 11:16:08.790 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.790 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.790 INFO [stderr] 
Dec 19 11:16:08.790 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 19 11:16:08.790 INFO [stderr]   --> src/validate.rs:12:1
Dec 19 11:16:08.790 INFO [stderr]    |
Dec 19 11:16:08.790 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.790 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.790 INFO [stderr] 
Dec 19 11:16:08.790 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 19 11:16:08.790 INFO [stderr]   --> src/validate.rs:27:1
Dec 19 11:16:08.790 INFO [stderr]    |
Dec 19 11:16:08.790 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.790 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.790 INFO [stderr] 
Dec 19 11:16:08.790 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 19 11:16:08.790 INFO [stderr]   --> src/validate.rs:42:1
Dec 19 11:16:08.790 INFO [stderr]    |
Dec 19 11:16:08.790 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.790 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.790 INFO [stderr] 
Dec 19 11:16:08.790 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 19 11:16:08.790 INFO [stderr]  --> src/picasso.rs:2:1
Dec 19 11:16:08.790 INFO [stderr]   |
Dec 19 11:16:08.790 INFO [stderr] 2 | pub enum ConstExpr {
Dec 19 11:16:08.790 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.790 INFO [stderr] 
Dec 19 11:16:08.790 INFO [stderr] warning: enum is never used: `Register`
Dec 19 11:16:08.791 INFO [stderr]  --> src/picasso.rs:7:1
Dec 19 11:16:08.791 INFO [stderr]   |
Dec 19 11:16:08.791 INFO [stderr] 7 | pub enum Register {
Dec 19 11:16:08.791 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.791 INFO [stderr] 
Dec 19 11:16:08.791 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 19 11:16:08.791 INFO [stderr]   --> src/picasso.rs:13:1
Dec 19 11:16:08.791 INFO [stderr]    |
Dec 19 11:16:08.791 INFO [stderr] 13 | struct Ref {
Dec 19 11:16:08.791 INFO [stderr]    | ^^^^^^^^^^
Dec 19 11:16:08.791 INFO [stderr] 
Dec 19 11:16:08.792 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 19 11:16:08.792 INFO [stderr]   --> src/picasso.rs:17:1
Dec 19 11:16:08.792 INFO [stderr]    |
Dec 19 11:16:08.792 INFO [stderr] 17 | struct Builder {
Dec 19 11:16:08.792 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 11:16:08.792 INFO [stderr] 
Dec 19 11:16:08.792 INFO [stderr] warning: function is never used: `main`
Dec 19 11:16:08.792 INFO [stderr]   --> src/lib.rs:17:1
Dec 19 11:16:08.792 INFO [stderr]    |
Dec 19 11:16:08.792 INFO [stderr] 17 | fn main() {
Dec 19 11:16:08.792 INFO [stderr]    | ^^^^^^^^^
Dec 19 11:16:08.792 INFO [stderr] 
Dec 19 11:16:08.836 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 19 11:16:08.836 INFO [stderr]  --> src/trans.rs:2:1
Dec 19 11:16:08.836 INFO [stderr]   |
Dec 19 11:16:08.836 INFO [stderr] 2 | struct Scope {
Dec 19 11:16:08.836 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 11:16:08.836 INFO [stderr]   |
Dec 19 11:16:08.836 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:16:08.836 INFO [stderr] 
Dec 19 11:16:08.836 INFO [stderr] warning: method is never used: `new`
Dec 19 11:16:08.836 INFO [stderr]   --> src/trans.rs:13:5
Dec 19 11:16:08.836 INFO [stderr]    |
Dec 19 11:16:08.836 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 19 11:16:08.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.836 INFO [stderr] 
Dec 19 11:16:08.836 INFO [stderr] warning: method is never used: `alloc`
Dec 19 11:16:08.836 INFO [stderr]   --> src/trans.rs:17:5
Dec 19 11:16:08.836 INFO [stderr]    |
Dec 19 11:16:08.836 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 19 11:16:08.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.836 INFO [stderr] 
Dec 19 11:16:08.836 INFO [stderr] warning: function is never used: `module`
Dec 19 11:16:08.836 INFO [stderr]  --> src/validate.rs:4:1
Dec 19 11:16:08.836 INFO [stderr]   |
Dec 19 11:16:08.836 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.837 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 19 11:16:08.837 INFO [stderr]   --> src/validate.rs:12:1
Dec 19 11:16:08.837 INFO [stderr]    |
Dec 19 11:16:08.837 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.837 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 19 11:16:08.837 INFO [stderr]   --> src/validate.rs:27:1
Dec 19 11:16:08.837 INFO [stderr]    |
Dec 19 11:16:08.837 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.837 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 19 11:16:08.837 INFO [stderr]   --> src/validate.rs:42:1
Dec 19 11:16:08.837 INFO [stderr]    |
Dec 19 11:16:08.837 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 19 11:16:08.837 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 19 11:16:08.837 INFO [stderr]  --> src/picasso.rs:2:1
Dec 19 11:16:08.837 INFO [stderr]   |
Dec 19 11:16:08.837 INFO [stderr] 2 | pub enum ConstExpr {
Dec 19 11:16:08.837 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: enum is never used: `Register`
Dec 19 11:16:08.837 INFO [stderr]  --> src/picasso.rs:7:1
Dec 19 11:16:08.837 INFO [stderr]   |
Dec 19 11:16:08.837 INFO [stderr] 7 | pub enum Register {
Dec 19 11:16:08.837 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 19 11:16:08.837 INFO [stderr]   --> src/picasso.rs:13:1
Dec 19 11:16:08.837 INFO [stderr]    |
Dec 19 11:16:08.837 INFO [stderr] 13 | struct Ref {
Dec 19 11:16:08.837 INFO [stderr]    | ^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:08.837 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 19 11:16:08.837 INFO [stderr]   --> src/picasso.rs:17:1
Dec 19 11:16:08.837 INFO [stderr]    |
Dec 19 11:16:08.837 INFO [stderr] 17 | struct Builder {
Dec 19 11:16:08.837 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 11:16:08.837 INFO [stderr] 
Dec 19 11:16:09.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
Dec 19 11:16:09.478 INFO running `"docker" "inspect" "5a5d2ac0489c7aaaf28e597c7f104d425da9286b55c39d6797a8b8e9bd31959b"`
Dec 19 11:16:09.584 INFO running `"docker" "rm" "-f" "5a5d2ac0489c7aaaf28e597c7f104d425da9286b55c39d6797a8b8e9bd31959b"`
Dec 19 11:16:09.687 INFO [stdout] 5a5d2ac0489c7aaaf28e597c7f104d425da9286b55c39d6797a8b8e9bd31959b