Dec 01 06:36:04.469 INFO testing panicbit/ross against 1.30.1 for beta-1.31-5
Dec 01 06:36:04.471 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 06:36:04.635 INFO [stdout] a3f55c676c0174ae75fde478ad25bbab5004c67db89daca81ba88ab22667758b
Dec 01 06:36:04.637 INFO running `"docker" "start" "-a" "a3f55c676c0174ae75fde478ad25bbab5004c67db89daca81ba88ab22667758b"`
Dec 01 06:36:05.164 INFO [stderr] usermod: no changes
Dec 01 06:36:05.236 INFO [stderr]    Compiling pest v1.0.1
Dec 01 06:36:05.237 INFO [stderr]    Compiling itertools v0.7.6
Dec 01 06:36:05.237 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 01 06:36:05.539 INFO [stderr]    Compiling backtrace v0.3.5
Dec 01 06:36:06.647 INFO [stderr]    Compiling failure v0.1.1
Dec 01 06:36:06.943 INFO [stderr]    Compiling pest_derive v1.0.1
Dec 01 06:36:14.289 INFO [stderr]    Compiling ross v0.1.0 (/source)
Dec 01 06:36:14.831 INFO [stderr] warning: unused `#[macro_use]` import
Dec 01 06:36:14.831 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 06:36:14.831 INFO [stderr]   |
Dec 01 06:36:14.832 INFO [stderr] 2 | #[macro_use] extern crate pest;
Dec 01 06:36:14.832 INFO [stderr]   | ^^^^^^^^^^^^
Dec 01 06:36:14.833 INFO [stderr]   |
Dec 01 06:36:14.833 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 06:36:14.834 INFO [stderr] 
Dec 01 06:36:15.148 INFO [stderr] warning: unreachable expression
Dec 01 06:36:15.148 INFO [stderr]   --> src/parser.rs:32:5
Dec 01 06:36:15.148 INFO [stderr]    |
Dec 01 06:36:15.149 INFO [stderr] 32 |     Ok(module)
Dec 01 06:36:15.149 INFO [stderr]    |     ^^^^^^^^^^
Dec 01 06:36:15.150 INFO [stderr]    |
Dec 01 06:36:15.150 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 01 06:36:15.151 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 01 06:36:15.839 INFO [stderr]  --> src/trans.rs:2:1
Dec 01 06:36:15.839 INFO [stderr]   |
Dec 01 06:36:15.839 INFO [stderr] 2 | struct Scope {
Dec 01 06:36:15.839 INFO [stderr]   | ^^^^^^^^^^^^
Dec 01 06:36:15.839 INFO [stderr]   |
Dec 01 06:36:15.839 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 06:36:15.839 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: method is never used: `new`
Dec 01 06:36:15.839 INFO [stderr]   --> src/trans.rs:13:5
Dec 01 06:36:15.839 INFO [stderr]    |
Dec 01 06:36:15.839 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 01 06:36:15.839 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.839 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: method is never used: `alloc`
Dec 01 06:36:15.839 INFO [stderr]   --> src/trans.rs:17:5
Dec 01 06:36:15.839 INFO [stderr]    |
Dec 01 06:36:15.839 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 01 06:36:15.839 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.839 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: function is never used: `module`
Dec 01 06:36:15.839 INFO [stderr]  --> src/validate.rs:4:1
Dec 01 06:36:15.839 INFO [stderr]   |
Dec 01 06:36:15.839 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:15.839 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.839 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 01 06:36:15.839 INFO [stderr]   --> src/validate.rs:12:1
Dec 01 06:36:15.839 INFO [stderr]    |
Dec 01 06:36:15.839 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:15.839 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.839 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 01 06:36:15.839 INFO [stderr]   --> src/validate.rs:27:1
Dec 01 06:36:15.839 INFO [stderr]    |
Dec 01 06:36:15.839 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:15.839 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.839 INFO [stderr] 
Dec 01 06:36:15.839 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 01 06:36:15.840 INFO [stderr]   --> src/validate.rs:42:1
Dec 01 06:36:15.840 INFO [stderr]    |
Dec 01 06:36:15.840 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:15.840 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.840 INFO [stderr] 
Dec 01 06:36:15.840 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 01 06:36:15.840 INFO [stderr]  --> src/picasso.rs:2:1
Dec 01 06:36:15.840 INFO [stderr]   |
Dec 01 06:36:15.840 INFO [stderr] 2 | pub enum ConstExpr {
Dec 01 06:36:15.840 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.840 INFO [stderr] 
Dec 01 06:36:15.840 INFO [stderr] warning: enum is never used: `Register`
Dec 01 06:36:15.840 INFO [stderr]  --> src/picasso.rs:7:1
Dec 01 06:36:15.840 INFO [stderr]   |
Dec 01 06:36:15.840 INFO [stderr] 7 | pub enum Register {
Dec 01 06:36:15.840 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 01 06:36:15.840 INFO [stderr] 
Dec 01 06:36:15.840 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 01 06:36:15.840 INFO [stderr]   --> src/picasso.rs:13:1
Dec 01 06:36:15.840 INFO [stderr]    |
Dec 01 06:36:15.840 INFO [stderr] 13 | struct Ref {
Dec 01 06:36:15.840 INFO [stderr]    | ^^^^^^^^^^
Dec 01 06:36:15.840 INFO [stderr] 
Dec 01 06:36:15.840 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 01 06:36:15.840 INFO [stderr]   --> src/picasso.rs:17:1
Dec 01 06:36:15.840 INFO [stderr]    |
Dec 01 06:36:15.840 INFO [stderr] 17 | struct Builder {
Dec 01 06:36:15.840 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 01 06:36:15.840 INFO [stderr] 
Dec 01 06:36:15.840 INFO [stderr] warning: function is never used: `main`
Dec 01 06:36:15.840 INFO [stderr]   --> src/lib.rs:17:1
Dec 01 06:36:15.840 INFO [stderr]    |
Dec 01 06:36:15.840 INFO [stderr] 17 | fn main() {
Dec 01 06:36:15.840 INFO [stderr]    | ^^^^^^^^^
Dec 01 06:36:15.840 INFO [stderr] 
Dec 01 06:36:18.155 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
Dec 01 06:36:18.157 INFO [stderr] su: No module specific data is present
Dec 01 06:36:18.947 INFO running `"docker" "inspect" "a3f55c676c0174ae75fde478ad25bbab5004c67db89daca81ba88ab22667758b"`
Dec 01 06:36:19.211 INFO running `"docker" "rm" "-f" "a3f55c676c0174ae75fde478ad25bbab5004c67db89daca81ba88ab22667758b"`
Dec 01 06:36:19.511 INFO [stdout] a3f55c676c0174ae75fde478ad25bbab5004c67db89daca81ba88ab22667758b
Dec 01 06:36:19.515 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 06:36:20.024 INFO [stdout] 71fe7c397e2132df8e2eb65aaa87fcb396b04bd6caf256ca39095deebf850240
Dec 01 06:36:20.028 INFO running `"docker" "start" "-a" "71fe7c397e2132df8e2eb65aaa87fcb396b04bd6caf256ca39095deebf850240"`
Dec 01 06:36:21.226 INFO [stderr] usermod: no changes
Dec 01 06:36:21.331 INFO [stderr]    Compiling ross v0.1.0 (/source)
Dec 01 06:36:22.368 INFO [stderr] warning: unused import: `ast::*`
Dec 01 06:36:22.368 INFO [stderr]  --> src/tests.rs:1:5
Dec 01 06:36:22.368 INFO [stderr]   |
Dec 01 06:36:22.368 INFO [stderr] 1 | use ast::*;
Dec 01 06:36:22.368 INFO [stderr]   |     ^^^^^^
Dec 01 06:36:22.368 INFO [stderr]   |
Dec 01 06:36:22.368 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 06:36:22.368 INFO [stderr] 
Dec 01 06:36:22.839 INFO [stderr] warning: unreachable expression
Dec 01 06:36:22.839 INFO [stderr]   --> src/parser.rs:32:5
Dec 01 06:36:22.839 INFO [stderr]    |
Dec 01 06:36:22.839 INFO [stderr] 32 |     Ok(module)
Dec 01 06:36:22.839 INFO [stderr]    |     ^^^^^^^^^^
Dec 01 06:36:22.839 INFO [stderr]    |
Dec 01 06:36:22.839 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 01 06:36:22.839 INFO [stderr] 
Dec 01 06:36:23.555 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 01 06:36:23.555 INFO [stderr]  --> src/trans.rs:2:1
Dec 01 06:36:23.555 INFO [stderr]   |
Dec 01 06:36:23.555 INFO [stderr] 2 | struct Scope {
Dec 01 06:36:23.555 INFO [stderr]   | ^^^^^^^^^^^^
Dec 01 06:36:23.555 INFO [stderr]   |
Dec 01 06:36:23.555 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 06:36:23.555 INFO [stderr] 
Dec 01 06:36:23.555 INFO [stderr] warning: method is never used: `new`
Dec 01 06:36:23.555 INFO [stderr]   --> src/trans.rs:13:5
Dec 01 06:36:23.555 INFO [stderr]    |
Dec 01 06:36:23.555 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Dec 01 06:36:23.555 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.555 INFO [stderr] 
Dec 01 06:36:23.555 INFO [stderr] warning: method is never used: `alloc`
Dec 01 06:36:23.555 INFO [stderr]   --> src/trans.rs:17:5
Dec 01 06:36:23.555 INFO [stderr]    |
Dec 01 06:36:23.555 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Dec 01 06:36:23.555 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.555 INFO [stderr] 
Dec 01 06:36:23.555 INFO [stderr] warning: function is never used: `module`
Dec 01 06:36:23.555 INFO [stderr]  --> src/validate.rs:4:1
Dec 01 06:36:23.555 INFO [stderr]   |
Dec 01 06:36:23.555 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:23.555 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.555 INFO [stderr] 
Dec 01 06:36:23.555 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Dec 01 06:36:23.555 INFO [stderr]   --> src/validate.rs:12:1
Dec 01 06:36:23.555 INFO [stderr]    |
Dec 01 06:36:23.555 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:23.555 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.555 INFO [stderr] 
Dec 01 06:36:23.555 INFO [stderr] warning: function is never used: `item_names_are_unique`
Dec 01 06:36:23.555 INFO [stderr]   --> src/validate.rs:27:1
Dec 01 06:36:23.555 INFO [stderr]    |
Dec 01 06:36:23.556 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:23.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.556 INFO [stderr] 
Dec 01 06:36:23.556 INFO [stderr] warning: function is never used: `functions_dont_recur`
Dec 01 06:36:23.556 INFO [stderr]   --> src/validate.rs:42:1
Dec 01 06:36:23.556 INFO [stderr]    |
Dec 01 06:36:23.556 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Dec 01 06:36:23.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.556 INFO [stderr] 
Dec 01 06:36:23.556 INFO [stderr] warning: enum is never used: `ConstExpr`
Dec 01 06:36:23.556 INFO [stderr]  --> src/picasso.rs:2:1
Dec 01 06:36:23.556 INFO [stderr]   |
Dec 01 06:36:23.556 INFO [stderr] 2 | pub enum ConstExpr {
Dec 01 06:36:23.556 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.556 INFO [stderr] 
Dec 01 06:36:23.556 INFO [stderr] warning: enum is never used: `Register`
Dec 01 06:36:23.556 INFO [stderr]  --> src/picasso.rs:7:1
Dec 01 06:36:23.556 INFO [stderr]   |
Dec 01 06:36:23.556 INFO [stderr] 7 | pub enum Register {
Dec 01 06:36:23.556 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 01 06:36:23.556 INFO [stderr] 
Dec 01 06:36:23.556 INFO [stderr] warning: struct is never constructed: `Ref`
Dec 01 06:36:23.556 INFO [stderr]   --> src/picasso.rs:13:1
Dec 01 06:36:23.556 INFO [stderr]    |
Dec 01 06:36:23.556 INFO [stderr] 13 | struct Ref {
Dec 01 06:36:23.556 INFO [stderr]    | ^^^^^^^^^^
Dec 01 06:36:23.556 INFO [stderr] 
Dec 01 06:36:23.556 INFO [stderr] warning: struct is never constructed: `Builder`
Dec 01 06:36:23.556 INFO [stderr]   --> src/picasso.rs:17:1
Dec 01 06:36:23.556 INFO [stderr]    |
Dec 01 06:36:23.556 INFO [stderr] 17 | struct Builder {
Dec 01 06:36:23.556 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 01 06:36:23.556 INFO [stderr] 
Dec 01 06:36:25.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Dec 01 06:36:25.640 INFO [stderr] su: No module specific data is present
Dec 01 06:36:26.601 INFO running `"docker" "inspect" "71fe7c397e2132df8e2eb65aaa87fcb396b04bd6caf256ca39095deebf850240"`
Dec 01 06:36:26.907 INFO running `"docker" "rm" "-f" "71fe7c397e2132df8e2eb65aaa87fcb396b04bd6caf256ca39095deebf850240"`
Dec 01 06:36:27.239 INFO [stdout] 71fe7c397e2132df8e2eb65aaa87fcb396b04bd6caf256ca39095deebf850240
