Dec 05 11:51:20.699 INFO testing panicbit/ross against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 11:51:20.699 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 11:51:21.072 INFO [stdout] 4f71a4a01e3dffcf5a3e4702927f78645e51c61774f3e902730e28c82d0895fd
Dec 05 11:51:21.078 INFO running `"docker" "start" "-a" "4f71a4a01e3dffcf5a3e4702927f78645e51c61774f3e902730e28c82d0895fd"`
Dec 05 11:51:22.342 INFO [stderr] usermod: no changes
Dec 05 11:51:22.508 INFO [stderr]    Compiling pest v1.0.1
Dec 05 11:51:22.514 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 05 11:51:22.976 INFO [stderr]    Compiling backtrace v0.3.5
Dec 05 11:51:23.436 INFO [stderr]    Compiling pest_derive v1.0.1
Dec 05 11:51:24.340 INFO [stderr]    Compiling failure v0.1.1
Dec 05 11:51:29.548 INFO [stderr]    Compiling ross v0.1.0 (/source)
Dec 05 11:51:29.997 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:51:29.997 INFO [stderr]  --> src/lib.rs:2:1
Dec 05 11:51:29.997 INFO [stderr]   |
Dec 05 11:51:29.997 INFO [stderr] 2 | #[macro_use] extern crate pest;
Dec 05 11:51:29.997 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:51:29.997 INFO [stderr]   |
Dec 05 11:51:29.997 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:51:29.997 INFO [stderr] 
Dec 05 11:51:30.272 INFO [stderr] warning: unreachable expression
Dec 05 11:51:30.273 INFO [stderr]   --> src/parser.rs:32:5
Dec 05 11:51:30.273 INFO [stderr]    |
Dec 05 11:51:30.273 INFO [stderr] 32 |     Ok(module)
Dec 05 11:51:30.273 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 11:51:30.273 INFO [stderr]    |
Dec 05 11:51:30.273 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 05 11:51:30.273 INFO [stderr] 
Dec 05 11:51:30.800 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 05 11:51:30.800 INFO [stderr]  --> src/trans.rs:2:1
Dec 05 11:51:30.800 INFO [stderr]   |
Dec 05 11:51:30.800 INFO [stderr] 2 | struct Scope {
Dec 05 11:51:30.800 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:51:30.800 INFO [stderr]   |
Dec 05 11:51:30.800 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 11:51:30.800 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: method is never used: `new`
Dec 05 11:51:30.801 INFO [stderr]   --> src/trans.rs:13:5
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 05 11:51:30.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: method is never used: `alloc`
Dec 05 11:51:30.801 INFO [stderr]   --> src/trans.rs:17:5
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 05 11:51:30.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: function is never used: `module`
Dec 05 11:51:30.801 INFO [stderr]  --> src/validate.rs:4:1
Dec 05 11:51:30.801 INFO [stderr]   |
Dec 05 11:51:30.801 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:30.801 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 05 11:51:30.801 INFO [stderr]   --> src/validate.rs:12:1
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:30.801 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 05 11:51:30.801 INFO [stderr]   --> src/validate.rs:27:1
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:30.801 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 05 11:51:30.801 INFO [stderr]   --> src/validate.rs:42:1
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:30.801 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 05 11:51:30.801 INFO [stderr]  --> src/picasso.rs:2:1
Dec 05 11:51:30.801 INFO [stderr]   |
Dec 05 11:51:30.801 INFO [stderr] 2 | pub enum ConstExpr {
Dec 05 11:51:30.801 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: enum is never used: `Register`
Dec 05 11:51:30.801 INFO [stderr]  --> src/picasso.rs:7:1
Dec 05 11:51:30.801 INFO [stderr]   |
Dec 05 11:51:30.801 INFO [stderr] 7 | pub enum Register {
Dec 05 11:51:30.801 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 05 11:51:30.801 INFO [stderr]   --> src/picasso.rs:13:1
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 13 | struct Ref {
Dec 05 11:51:30.801 INFO [stderr]    | ^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 05 11:51:30.801 INFO [stderr]   --> src/picasso.rs:17:1
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 17 | struct Builder {
Dec 05 11:51:30.801 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:30.801 INFO [stderr] warning: function is never used: `main`
Dec 05 11:51:30.801 INFO [stderr]   --> src/lib.rs:17:1
Dec 05 11:51:30.801 INFO [stderr]    |
Dec 05 11:51:30.801 INFO [stderr] 17 | fn main() {
Dec 05 11:51:30.801 INFO [stderr]    | ^^^^^^^^^
Dec 05 11:51:30.801 INFO [stderr] 
Dec 05 11:51:32.341 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
Dec 05 11:51:32.345 INFO [stderr] su: No module specific data is present
Dec 05 11:51:32.583 INFO running `"docker" "inspect" "4f71a4a01e3dffcf5a3e4702927f78645e51c61774f3e902730e28c82d0895fd"`
Dec 05 11:51:32.662 INFO running `"docker" "rm" "-f" "4f71a4a01e3dffcf5a3e4702927f78645e51c61774f3e902730e28c82d0895fd"`
Dec 05 11:51:32.764 INFO [stdout] 4f71a4a01e3dffcf5a3e4702927f78645e51c61774f3e902730e28c82d0895fd
Dec 05 11:51:32.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 11:51:32.931 INFO [stdout] 9cdf243542981037e115221521e4aefc88281a2a1d69b8ef122b654f2312d711
Dec 05 11:51:32.934 INFO running `"docker" "start" "-a" "9cdf243542981037e115221521e4aefc88281a2a1d69b8ef122b654f2312d711"`
Dec 05 11:51:33.441 INFO [stderr] usermod: no changes
Dec 05 11:51:33.498 INFO [stderr]    Compiling ross v0.1.0 (/source)
Dec 05 11:51:33.909 INFO [stderr] warning: unused import: `ast::*`
Dec 05 11:51:33.909 INFO [stderr]  --> src/tests.rs:1:5
Dec 05 11:51:33.909 INFO [stderr]   |
Dec 05 11:51:33.909 INFO [stderr] 1 | use ast::*;
Dec 05 11:51:33.909 INFO [stderr]   |     ^^^^^^
Dec 05 11:51:33.909 INFO [stderr]   |
Dec 05 11:51:33.909 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:51:33.909 INFO [stderr] 
Dec 05 11:51:34.208 INFO [stderr] warning: unreachable expression
Dec 05 11:51:34.208 INFO [stderr]   --> src/parser.rs:32:5
Dec 05 11:51:34.208 INFO [stderr]    |
Dec 05 11:51:34.208 INFO [stderr] 32 |     Ok(module)
Dec 05 11:51:34.208 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 11:51:34.208 INFO [stderr]    |
Dec 05 11:51:34.208 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 05 11:51:34.208 INFO [stderr] 
Dec 05 11:51:34.932 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 05 11:51:34.934 INFO [stderr]  --> src/trans.rs:2:1
Dec 05 11:51:34.934 INFO [stderr]   |
Dec 05 11:51:34.934 INFO [stderr] 2 | struct Scope {
Dec 05 11:51:34.934 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:51:34.934 INFO [stderr]   |
Dec 05 11:51:34.934 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 11:51:34.934 INFO [stderr] 
Dec 05 11:51:34.934 INFO [stderr] warning: method is never used: `new`
Dec 05 11:51:34.934 INFO [stderr]   --> src/trans.rs:13:5
Dec 05 11:51:34.934 INFO [stderr]    |
Dec 05 11:51:34.934 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 05 11:51:34.934 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.934 INFO [stderr] 
Dec 05 11:51:34.934 INFO [stderr] warning: method is never used: `alloc`
Dec 05 11:51:34.934 INFO [stderr]   --> src/trans.rs:17:5
Dec 05 11:51:34.934 INFO [stderr]    |
Dec 05 11:51:34.934 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 05 11:51:34.934 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.934 INFO [stderr] 
Dec 05 11:51:34.934 INFO [stderr] warning: function is never used: `module`
Dec 05 11:51:34.934 INFO [stderr]  --> src/validate.rs:4:1
Dec 05 11:51:34.934 INFO [stderr]   |
Dec 05 11:51:34.934 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:34.934 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.934 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 05 11:51:34.938 INFO [stderr]   --> src/validate.rs:12:1
Dec 05 11:51:34.938 INFO [stderr]    |
Dec 05 11:51:34.938 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:34.938 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.938 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 05 11:51:34.938 INFO [stderr]   --> src/validate.rs:27:1
Dec 05 11:51:34.938 INFO [stderr]    |
Dec 05 11:51:34.938 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:34.938 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.938 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 05 11:51:34.938 INFO [stderr]   --> src/validate.rs:42:1
Dec 05 11:51:34.938 INFO [stderr]    |
Dec 05 11:51:34.938 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 05 11:51:34.938 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.938 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 05 11:51:34.938 INFO [stderr]  --> src/picasso.rs:2:1
Dec 05 11:51:34.938 INFO [stderr]   |
Dec 05 11:51:34.938 INFO [stderr] 2 | pub enum ConstExpr {
Dec 05 11:51:34.938 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.938 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: enum is never used: `Register`
Dec 05 11:51:34.938 INFO [stderr]  --> src/picasso.rs:7:1
Dec 05 11:51:34.938 INFO [stderr]   |
Dec 05 11:51:34.938 INFO [stderr] 7 | pub enum Register {
Dec 05 11:51:34.938 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 05 11:51:34.938 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 05 11:51:34.938 INFO [stderr]   --> src/picasso.rs:13:1
Dec 05 11:51:34.938 INFO [stderr]    |
Dec 05 11:51:34.938 INFO [stderr] 13 | struct Ref {
Dec 05 11:51:34.938 INFO [stderr]    | ^^^^^^^^^^
Dec 05 11:51:34.938 INFO [stderr] 
Dec 05 11:51:34.938 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 05 11:51:34.938 INFO [stderr]   --> src/picasso.rs:17:1
Dec 05 11:51:34.938 INFO [stderr]    |
Dec 05 11:51:34.938 INFO [stderr] 17 | struct Builder {
Dec 05 11:51:34.938 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 05 11:51:34.939 INFO [stderr] 
Dec 05 11:51:36.101 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Dec 05 11:51:36.105 INFO [stderr] su: No module specific data is present
Dec 05 11:51:36.334 INFO running `"docker" "inspect" "9cdf243542981037e115221521e4aefc88281a2a1d69b8ef122b654f2312d711"`
Dec 05 11:51:36.394 INFO running `"docker" "rm" "-f" "9cdf243542981037e115221521e4aefc88281a2a1d69b8ef122b654f2312d711"`
Dec 05 11:51:36.486 INFO [stdout] 9cdf243542981037e115221521e4aefc88281a2a1d69b8ef122b654f2312d711