Dec 13 07:55:36.979 INFO testing panicbit/ross against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 07:55:36.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 07:55:37.360 INFO [stdout] 25c7c4f7f8c855449fa65ea15e6a96e933e3bd1ebb51dca8844b6828f2edd278
Dec 13 07:55:37.365 INFO running `"docker" "start" "-a" "25c7c4f7f8c855449fa65ea15e6a96e933e3bd1ebb51dca8844b6828f2edd278"`
Dec 13 07:55:38.388 INFO [stderr] usermod: no changes
Dec 13 07:55:38.519 INFO [stderr]    Compiling pest v1.0.1
Dec 13 07:55:38.519 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 13 07:55:39.003 INFO [stderr]    Compiling backtrace v0.3.5
Dec 13 07:55:39.605 INFO [stderr]    Compiling pest_derive v1.0.1
Dec 13 07:55:40.683 INFO [stderr]    Compiling failure v0.1.1
Dec 13 07:55:46.118 INFO [stderr]    Compiling ross v0.1.0 (/source)
Dec 13 07:55:46.714 INFO [stderr] warning: unused `#[macro_use]` import
Dec 13 07:55:46.714 INFO [stderr]  --> src/lib.rs:2:1
Dec 13 07:55:46.714 INFO [stderr]   |
Dec 13 07:55:46.714 INFO [stderr] 2 | #[macro_use] extern crate pest;
Dec 13 07:55:46.714 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 07:55:46.714 INFO [stderr]   |
Dec 13 07:55:46.714 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:55:46.823 INFO [stderr] 
Dec 13 07:55:46.917 INFO [stderr] warning: unreachable expression
Dec 13 07:55:46.917 INFO [stderr]   --> src/parser.rs:32:5
Dec 13 07:55:46.917 INFO [stderr]    |
Dec 13 07:55:46.919 INFO [stderr] 32 |     Ok(module)
Dec 13 07:55:46.919 INFO [stderr]    |     ^^^^^^^^^^
Dec 13 07:55:46.919 INFO [stderr]    |
Dec 13 07:55:46.919 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 13 07:55:46.919 INFO [stderr] 
Dec 13 07:55:47.387 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 13 07:55:47.387 INFO [stderr]  --> src/trans.rs:2:1
Dec 13 07:55:47.387 INFO [stderr]   |
Dec 13 07:55:47.387 INFO [stderr] 2 | struct Scope {
Dec 13 07:55:47.387 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 07:55:47.387 INFO [stderr]   |
Dec 13 07:55:47.388 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: method is never used: `new`
Dec 13 07:55:47.388 INFO [stderr]   --> src/trans.rs:13:5
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 13 07:55:47.388 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: method is never used: `alloc`
Dec 13 07:55:47.388 INFO [stderr]   --> src/trans.rs:17:5
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 13 07:55:47.388 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: function is never used: `module`
Dec 13 07:55:47.388 INFO [stderr]  --> src/validate.rs:4:1
Dec 13 07:55:47.388 INFO [stderr]   |
Dec 13 07:55:47.388 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:47.388 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 13 07:55:47.388 INFO [stderr]   --> src/validate.rs:12:1
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:47.388 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 13 07:55:47.388 INFO [stderr]   --> src/validate.rs:27:1
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:47.388 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 13 07:55:47.388 INFO [stderr]   --> src/validate.rs:42:1
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:47.388 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 13 07:55:47.388 INFO [stderr]  --> src/picasso.rs:2:1
Dec 13 07:55:47.388 INFO [stderr]   |
Dec 13 07:55:47.388 INFO [stderr] 2 | pub enum ConstExpr {
Dec 13 07:55:47.388 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: enum is never used: `Register`
Dec 13 07:55:47.388 INFO [stderr]  --> src/picasso.rs:7:1
Dec 13 07:55:47.388 INFO [stderr]   |
Dec 13 07:55:47.388 INFO [stderr] 7 | pub enum Register {
Dec 13 07:55:47.388 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 13 07:55:47.388 INFO [stderr]   --> src/picasso.rs:13:1
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 13 | struct Ref {
Dec 13 07:55:47.388 INFO [stderr]    | ^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 13 07:55:47.388 INFO [stderr]   --> src/picasso.rs:17:1
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 17 | struct Builder {
Dec 13 07:55:47.388 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:47.388 INFO [stderr] warning: function is never used: `main`
Dec 13 07:55:47.388 INFO [stderr]   --> src/lib.rs:17:1
Dec 13 07:55:47.388 INFO [stderr]    |
Dec 13 07:55:47.388 INFO [stderr] 17 | fn main() {
Dec 13 07:55:47.388 INFO [stderr]    | ^^^^^^^^^
Dec 13 07:55:47.388 INFO [stderr] 
Dec 13 07:55:49.286 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
Dec 13 07:55:49.291 INFO [stderr] su: No module specific data is present
Dec 13 07:55:50.284 INFO running `"docker" "inspect" "25c7c4f7f8c855449fa65ea15e6a96e933e3bd1ebb51dca8844b6828f2edd278"`
Dec 13 07:55:50.372 INFO running `"docker" "rm" "-f" "25c7c4f7f8c855449fa65ea15e6a96e933e3bd1ebb51dca8844b6828f2edd278"`
Dec 13 07:55:50.450 INFO [stdout] 25c7c4f7f8c855449fa65ea15e6a96e933e3bd1ebb51dca8844b6828f2edd278
Dec 13 07:55:50.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 07:55:50.639 INFO [stdout] 256ad8c6f17612d43665bf67469f1eafa545c4683759cf6da52d769c7fd4b602
Dec 13 07:55:50.643 INFO running `"docker" "start" "-a" "256ad8c6f17612d43665bf67469f1eafa545c4683759cf6da52d769c7fd4b602"`
Dec 13 07:55:51.515 INFO [stderr] usermod: no changes
Dec 13 07:55:51.577 INFO [stderr]    Compiling ross v0.1.0 (/source)
Dec 13 07:55:52.039 INFO [stderr] warning: unused import: `ast::*`
Dec 13 07:55:52.039 INFO [stderr]  --> src/tests.rs:1:5
Dec 13 07:55:52.039 INFO [stderr]   |
Dec 13 07:55:52.039 INFO [stderr] 1 | use ast::*;
Dec 13 07:55:52.039 INFO [stderr]   |     ^^^^^^
Dec 13 07:55:52.039 INFO [stderr]   |
Dec 13 07:55:52.039 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:55:52.039 INFO [stderr] 
Dec 13 07:55:52.278 INFO [stderr] warning: unreachable expression
Dec 13 07:55:52.278 INFO [stderr]   --> src/parser.rs:32:5
Dec 13 07:55:52.278 INFO [stderr]    |
Dec 13 07:55:52.278 INFO [stderr] 32 |     Ok(module)
Dec 13 07:55:52.278 INFO [stderr]    |     ^^^^^^^^^^
Dec 13 07:55:52.278 INFO [stderr]    |
Dec 13 07:55:52.278 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 13 07:55:52.278 INFO [stderr] 
Dec 13 07:55:52.906 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 13 07:55:52.907 INFO [stderr]  --> src/trans.rs:2:1
Dec 13 07:55:52.907 INFO [stderr]   |
Dec 13 07:55:52.907 INFO [stderr] 2 | struct Scope {
Dec 13 07:55:52.907 INFO [stderr]   | ^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr]   |
Dec 13 07:55:52.907 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: method is never used: `new`
Dec 13 07:55:52.907 INFO [stderr]   --> src/trans.rs:13:5
Dec 13 07:55:52.907 INFO [stderr]    |
Dec 13 07:55:52.907 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 13 07:55:52.907 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: method is never used: `alloc`
Dec 13 07:55:52.907 INFO [stderr]   --> src/trans.rs:17:5
Dec 13 07:55:52.907 INFO [stderr]    |
Dec 13 07:55:52.907 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 13 07:55:52.907 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: function is never used: `module`
Dec 13 07:55:52.907 INFO [stderr]  --> src/validate.rs:4:1
Dec 13 07:55:52.907 INFO [stderr]   |
Dec 13 07:55:52.907 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:52.907 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 13 07:55:52.907 INFO [stderr]   --> src/validate.rs:12:1
Dec 13 07:55:52.907 INFO [stderr]    |
Dec 13 07:55:52.907 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:52.907 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 13 07:55:52.907 INFO [stderr]   --> src/validate.rs:27:1
Dec 13 07:55:52.907 INFO [stderr]    |
Dec 13 07:55:52.907 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:52.907 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 13 07:55:52.907 INFO [stderr]   --> src/validate.rs:42:1
Dec 13 07:55:52.907 INFO [stderr]    |
Dec 13 07:55:52.907 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 13 07:55:52.907 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 13 07:55:52.907 INFO [stderr]  --> src/picasso.rs:2:1
Dec 13 07:55:52.907 INFO [stderr]   |
Dec 13 07:55:52.907 INFO [stderr] 2 | pub enum ConstExpr {
Dec 13 07:55:52.907 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.907 INFO [stderr] warning: enum is never used: `Register`
Dec 13 07:55:52.907 INFO [stderr]  --> src/picasso.rs:7:1
Dec 13 07:55:52.907 INFO [stderr]   |
Dec 13 07:55:52.907 INFO [stderr] 7 | pub enum Register {
Dec 13 07:55:52.907 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 13 07:55:52.907 INFO [stderr] 
Dec 13 07:55:52.910 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 13 07:55:52.910 INFO [stderr]   --> src/picasso.rs:13:1
Dec 13 07:55:52.910 INFO [stderr]    |
Dec 13 07:55:52.910 INFO [stderr] 13 | struct Ref {
Dec 13 07:55:52.910 INFO [stderr]    | ^^^^^^^^^^
Dec 13 07:55:52.910 INFO [stderr] 
Dec 13 07:55:52.910 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 13 07:55:52.910 INFO [stderr]   --> src/picasso.rs:17:1
Dec 13 07:55:52.910 INFO [stderr]    |
Dec 13 07:55:52.910 INFO [stderr] 17 | struct Builder {
Dec 13 07:55:52.910 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 13 07:55:52.910 INFO [stderr] 
Dec 13 07:55:54.292 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
Dec 13 07:55:54.296 INFO [stderr] su: No module specific data is present
Dec 13 07:55:54.701 INFO running `"docker" "inspect" "256ad8c6f17612d43665bf67469f1eafa545c4683759cf6da52d769c7fd4b602"`
Dec 13 07:55:54.913 INFO running `"docker" "rm" "-f" "256ad8c6f17612d43665bf67469f1eafa545c4683759cf6da52d769c7fd4b602"`
Dec 13 07:55:55.062 INFO [stdout] 256ad8c6f17612d43665bf67469f1eafa545c4683759cf6da52d769c7fd4b602