Oct 31 23:28:48.770 INFO checking panicbit/ross against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 23:28:48.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-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"`
Oct 31 23:28:49.228 INFO blam! 7f421d56ba1590f7f371e943322edf98d44dbf18bcecac3b0c78f35bfe5396ea
Oct 31 23:28:49.244 INFO running `"docker" "start" "-a" "7f421d56ba1590f7f371e943322edf98d44dbf18bcecac3b0c78f35bfe5396ea"`
Oct 31 23:28:50.383 INFO kablam! usermod: no changes
Oct 31 23:28:50.493 INFO kablam!    Compiling pest v1.0.1
Oct 31 23:28:50.500 INFO kablam!    Compiling syn v0.10.8
Oct 31 23:28:50.500 INFO kablam!     Checking itertools v0.7.6
Oct 31 23:28:50.526 INFO kablam!     Checking backtrace-sys v0.1.16
Oct 31 23:28:51.272 INFO kablam!     Checking backtrace v0.3.5
Oct 31 23:28:53.044 INFO kablam!     Checking failure v0.1.1
Oct 31 23:28:56.830 INFO kablam!    Compiling pest_derive v1.0.1
Oct 31 23:29:04.403 INFO kablam!     Checking ross v0.1.0 (/source)
Oct 31 23:29:05.312 INFO kablam! warning: unused `#[macro_use]` import
Oct 31 23:29:05.312 INFO kablam!  --> src/lib.rs:2:1
Oct 31 23:29:05.312 INFO kablam!   |
Oct 31 23:29:05.312 INFO kablam! 2 | #[macro_use] extern crate pest;
Oct 31 23:29:05.312 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 23:29:05.312 INFO kablam!   |
Oct 31 23:29:05.312 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:29:05.312 INFO kablam! 
Oct 31 23:29:05.337 INFO kablam! warning: unused import: `ast::*`
Oct 31 23:29:05.337 INFO kablam!  --> src/tests.rs:1:5
Oct 31 23:29:05.338 INFO kablam!   |
Oct 31 23:29:05.338 INFO kablam! 1 | use ast::*;
Oct 31 23:29:05.338 INFO kablam!   |     ^^^^^^
Oct 31 23:29:05.338 INFO kablam!   |
Oct 31 23:29:05.339 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:29:05.339 INFO kablam! 
Oct 31 23:29:05.776 INFO kablam! warning: unreachable expression
Oct 31 23:29:05.776 INFO kablam!   --> src/parser.rs:32:5
Oct 31 23:29:05.776 INFO kablam!    |
Oct 31 23:29:05.776 INFO kablam! 32 |     Ok(module)
Oct 31 23:29:05.776 INFO kablam!    |     ^^^^^^^^^^
Oct 31 23:29:05.776 INFO kablam!    |
Oct 31 23:29:05.776 INFO kablam!    = note: #[warn(unreachable_code)] on by default
Oct 31 23:29:05.776 INFO kablam! 
Oct 31 23:29:05.852 INFO kablam! warning: unreachable expression
Oct 31 23:29:05.852 INFO kablam!   --> src/parser.rs:32:5
Oct 31 23:29:05.852 INFO kablam!    |
Oct 31 23:29:05.852 INFO kablam! 32 |     Ok(module)
Oct 31 23:29:05.852 INFO kablam!    |     ^^^^^^^^^^
Oct 31 23:29:05.852 INFO kablam!    |
Oct 31 23:29:05.852 INFO kablam!    = note: #[warn(unreachable_code)] on by default
Oct 31 23:29:05.852 INFO kablam! 
Oct 31 23:29:06.436 INFO kablam! warning: struct is never constructed: `Scope`
Oct 31 23:29:06.436 INFO kablam!  --> src/trans.rs:2:1
Oct 31 23:29:06.436 INFO kablam!   |
Oct 31 23:29:06.436 INFO kablam! 2 | struct Scope {
Oct 31 23:29:06.436 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 23:29:06.436 INFO kablam!   |
Oct 31 23:29:06.436 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 23:29:06.436 INFO kablam! 
Oct 31 23:29:06.436 INFO kablam! warning: method is never used: `new`
Oct 31 23:29:06.436 INFO kablam!   --> src/trans.rs:13:5
Oct 31 23:29:06.436 INFO kablam!    |
Oct 31 23:29:06.436 INFO kablam! 13 |     fn new(available: usize) -> Self {
Oct 31 23:29:06.436 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.436 INFO kablam! 
Oct 31 23:29:06.436 INFO kablam! warning: method is never used: `alloc`
Oct 31 23:29:06.440 INFO kablam!   --> src/trans.rs:17:5
Oct 31 23:29:06.440 INFO kablam!    |
Oct 31 23:29:06.440 INFO kablam! 17 |     fn alloc(&mut self) -> Option<usize> {
Oct 31 23:29:06.440 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.440 INFO kablam! 
Oct 31 23:29:06.440 INFO kablam! warning: function is never used: `module`
Oct 31 23:29:06.440 INFO kablam!  --> src/validate.rs:4:1
Oct 31 23:29:06.440 INFO kablam!   |
Oct 31 23:29:06.440 INFO kablam! 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.440 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.440 INFO kablam! 
Oct 31 23:29:06.440 INFO kablam! warning: function is never used: `static_blocks_are_unique`
Oct 31 23:29:06.440 INFO kablam!   --> src/validate.rs:12:1
Oct 31 23:29:06.440 INFO kablam!    |
Oct 31 23:29:06.440 INFO kablam! 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.440 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.440 INFO kablam! 
Oct 31 23:29:06.440 INFO kablam! warning: function is never used: `item_names_are_unique`
Oct 31 23:29:06.440 INFO kablam!   --> src/validate.rs:27:1
Oct 31 23:29:06.440 INFO kablam!    |
Oct 31 23:29:06.440 INFO kablam! 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.440 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.440 INFO kablam! 
Oct 31 23:29:06.440 INFO kablam! warning: function is never used: `functions_dont_recur`
Oct 31 23:29:06.440 INFO kablam!   --> src/validate.rs:42:1
Oct 31 23:29:06.440 INFO kablam!    |
Oct 31 23:29:06.440 INFO kablam! 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.440 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.440 INFO kablam! 
Oct 31 23:29:06.444 INFO kablam! warning: enum is never used: `ConstExpr`
Oct 31 23:29:06.444 INFO kablam!  --> src/picasso.rs:2:1
Oct 31 23:29:06.444 INFO kablam!   |
Oct 31 23:29:06.444 INFO kablam! 2 | pub enum ConstExpr {
Oct 31 23:29:06.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.444 INFO kablam! 
Oct 31 23:29:06.444 INFO kablam! warning: enum is never used: `Register`
Oct 31 23:29:06.444 INFO kablam!  --> src/picasso.rs:7:1
Oct 31 23:29:06.444 INFO kablam!   |
Oct 31 23:29:06.444 INFO kablam! 7 | pub enum Register {
Oct 31 23:29:06.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.444 INFO kablam! 
Oct 31 23:29:06.444 INFO kablam! warning: struct is never constructed: `Ref`
Oct 31 23:29:06.444 INFO kablam!   --> src/picasso.rs:13:1
Oct 31 23:29:06.444 INFO kablam!    |
Oct 31 23:29:06.444 INFO kablam! 13 | struct Ref {
Oct 31 23:29:06.444 INFO kablam!    | ^^^^^^^^^^
Oct 31 23:29:06.444 INFO kablam! 
Oct 31 23:29:06.444 INFO kablam! warning: struct is never constructed: `Builder`
Oct 31 23:29:06.444 INFO kablam!   --> src/picasso.rs:17:1
Oct 31 23:29:06.444 INFO kablam!    |
Oct 31 23:29:06.444 INFO kablam! 17 | struct Builder {
Oct 31 23:29:06.444 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 31 23:29:06.444 INFO kablam! 
Oct 31 23:29:06.641 INFO kablam! warning: struct is never constructed: `Scope`
Oct 31 23:29:06.642 INFO kablam!  --> src/trans.rs:2:1
Oct 31 23:29:06.643 INFO kablam!   |
Oct 31 23:29:06.643 INFO kablam! 2 | struct Scope {
Oct 31 23:29:06.644 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 23:29:06.644 INFO kablam!   |
Oct 31 23:29:06.645 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 23:29:06.645 INFO kablam! 
Oct 31 23:29:06.645 INFO kablam! warning: method is never used: `new`
Oct 31 23:29:06.645 INFO kablam!   --> src/trans.rs:13:5
Oct 31 23:29:06.646 INFO kablam!    |
Oct 31 23:29:06.646 INFO kablam! 13 |     fn new(available: usize) -> Self {
Oct 31 23:29:06.646 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.646 INFO kablam! 
Oct 31 23:29:06.647 INFO kablam! warning: method is never used: `alloc`
Oct 31 23:29:06.647 INFO kablam!   --> src/trans.rs:17:5
Oct 31 23:29:06.647 INFO kablam!    |
Oct 31 23:29:06.647 INFO kablam! 17 |     fn alloc(&mut self) -> Option<usize> {
Oct 31 23:29:06.648 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.648 INFO kablam! 
Oct 31 23:29:06.648 INFO kablam! warning: function is never used: `module`
Oct 31 23:29:06.648 INFO kablam!  --> src/validate.rs:4:1
Oct 31 23:29:06.649 INFO kablam!   |
Oct 31 23:29:06.649 INFO kablam! 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.649 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.649 INFO kablam! 
Oct 31 23:29:06.650 INFO kablam! warning: function is never used: `static_blocks_are_unique`
Oct 31 23:29:06.650 INFO kablam!   --> src/validate.rs:12:1
Oct 31 23:29:06.650 INFO kablam!    |
Oct 31 23:29:06.651 INFO kablam! 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.651 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.651 INFO kablam! 
Oct 31 23:29:06.651 INFO kablam! warning: function is never used: `item_names_are_unique`
Oct 31 23:29:06.652 INFO kablam!   --> src/validate.rs:27:1
Oct 31 23:29:06.652 INFO kablam!    |
Oct 31 23:29:06.652 INFO kablam! 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.653 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.653 INFO kablam! 
Oct 31 23:29:06.653 INFO kablam! warning: function is never used: `functions_dont_recur`
Oct 31 23:29:06.653 INFO kablam!   --> src/validate.rs:42:1
Oct 31 23:29:06.654 INFO kablam!    |
Oct 31 23:29:06.654 INFO kablam! 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Oct 31 23:29:06.654 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.654 INFO kablam! 
Oct 31 23:29:06.655 INFO kablam! warning: enum is never used: `ConstExpr`
Oct 31 23:29:06.655 INFO kablam!  --> src/picasso.rs:2:1
Oct 31 23:29:06.655 INFO kablam!   |
Oct 31 23:29:06.656 INFO kablam! 2 | pub enum ConstExpr {
Oct 31 23:29:06.656 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.656 INFO kablam! 
Oct 31 23:29:06.656 INFO kablam! warning: enum is never used: `Register`
Oct 31 23:29:06.657 INFO kablam!  --> src/picasso.rs:7:1
Oct 31 23:29:06.657 INFO kablam!   |
Oct 31 23:29:06.657 INFO kablam! 7 | pub enum Register {
Oct 31 23:29:06.658 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 23:29:06.658 INFO kablam! 
Oct 31 23:29:06.658 INFO kablam! warning: struct is never constructed: `Ref`
Oct 31 23:29:06.658 INFO kablam!   --> src/picasso.rs:13:1
Oct 31 23:29:06.659 INFO kablam!    |
Oct 31 23:29:06.659 INFO kablam! 13 | struct Ref {
Oct 31 23:29:06.659 INFO kablam!    | ^^^^^^^^^^
Oct 31 23:29:06.659 INFO kablam! 
Oct 31 23:29:06.660 INFO kablam! warning: struct is never constructed: `Builder`
Oct 31 23:29:06.660 INFO kablam!   --> src/picasso.rs:17:1
Oct 31 23:29:06.660 INFO kablam!    |
Oct 31 23:29:06.661 INFO kablam! 17 | struct Builder {
Oct 31 23:29:06.661 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 31 23:29:06.661 INFO kablam! 
Oct 31 23:29:06.662 INFO kablam! warning: function is never used: `main`
Oct 31 23:29:06.662 INFO kablam!   --> src/lib.rs:17:1
Oct 31 23:29:06.662 INFO kablam!    |
Oct 31 23:29:06.662 INFO kablam! 17 | fn main() {
Oct 31 23:29:06.663 INFO kablam!    | ^^^^^^^^^
Oct 31 23:29:06.663 INFO kablam! 
Oct 31 23:29:07.449 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.04s
Oct 31 23:29:07.455 INFO kablam! su: No module specific data is present
Oct 31 23:29:08.348 INFO running `"docker" "rm" "-f" "7f421d56ba1590f7f371e943322edf98d44dbf18bcecac3b0c78f35bfe5396ea"`
Oct 31 23:29:08.584 INFO blam! 7f421d56ba1590f7f371e943322edf98d44dbf18bcecac3b0c78f35bfe5396ea