Nov 16 17:18:41.135 INFO testing panicbit/ross against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 17:18:41.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 17:18:41.479 INFO [stdout] 7876e45d1cbd17d001d0d35a5a028144c0f424aec252c55e3105ef02da408bcc
Nov 16 17:18:41.485 INFO running `"docker" "start" "-a" "7876e45d1cbd17d001d0d35a5a028144c0f424aec252c55e3105ef02da408bcc"`
Nov 16 17:18:42.685 INFO [stderr] usermod: no changes
Nov 16 17:18:42.817 INFO [stderr]    Compiling pest v1.0.1
Nov 16 17:18:42.823 INFO [stderr]    Compiling backtrace-sys v0.1.16
Nov 16 17:18:43.279 INFO [stderr]    Compiling backtrace v0.3.5
Nov 16 17:18:44.635 INFO [stderr]    Compiling failure v0.1.1
Nov 16 17:18:44.867 INFO [stderr]    Compiling pest_derive v1.0.1
Nov 16 17:18:52.223 INFO [stderr]    Compiling ross v0.1.0 (/source)
Nov 16 17:18:52.636 INFO [stderr] warning: unused `#[macro_use]` import
Nov 16 17:18:52.636 INFO [stderr]  --> src/lib.rs:2:1
Nov 16 17:18:52.636 INFO [stderr]   |
Nov 16 17:18:52.637 INFO [stderr] 2 | #[macro_use] extern crate pest;
Nov 16 17:18:52.637 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 17:18:52.637 INFO [stderr]   |
Nov 16 17:18:52.637 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 17:18:52.637 INFO [stderr] 
Nov 16 17:18:52.943 INFO [stderr] warning: unreachable expression
Nov 16 17:18:52.944 INFO [stderr]   --> src/parser.rs:32:5
Nov 16 17:18:52.944 INFO [stderr]    |
Nov 16 17:18:52.944 INFO [stderr] 32 |     Ok(module)
Nov 16 17:18:52.945 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 17:18:52.945 INFO [stderr]    |
Nov 16 17:18:52.945 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 16 17:18:52.946 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: struct is never constructed: `Scope`
Nov 16 17:18:53.479 INFO [stderr]  --> src/trans.rs:2:1
Nov 16 17:18:53.479 INFO [stderr]   |
Nov 16 17:18:53.479 INFO [stderr] 2 | struct Scope {
Nov 16 17:18:53.479 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 17:18:53.479 INFO [stderr]   |
Nov 16 17:18:53.479 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 17:18:53.479 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: method is never used: `new`
Nov 16 17:18:53.479 INFO [stderr]   --> src/trans.rs:13:5
Nov 16 17:18:53.479 INFO [stderr]    |
Nov 16 17:18:53.479 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Nov 16 17:18:53.479 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.479 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: method is never used: `alloc`
Nov 16 17:18:53.479 INFO [stderr]   --> src/trans.rs:17:5
Nov 16 17:18:53.479 INFO [stderr]    |
Nov 16 17:18:53.479 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Nov 16 17:18:53.479 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.479 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: function is never used: `module`
Nov 16 17:18:53.479 INFO [stderr]  --> src/validate.rs:4:1
Nov 16 17:18:53.479 INFO [stderr]   |
Nov 16 17:18:53.479 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:53.479 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.479 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Nov 16 17:18:53.479 INFO [stderr]   --> src/validate.rs:12:1
Nov 16 17:18:53.479 INFO [stderr]    |
Nov 16 17:18:53.479 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:53.479 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.479 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: function is never used: `item_names_are_unique`
Nov 16 17:18:53.479 INFO [stderr]   --> src/validate.rs:27:1
Nov 16 17:18:53.479 INFO [stderr]    |
Nov 16 17:18:53.479 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:53.479 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.479 INFO [stderr] 
Nov 16 17:18:53.479 INFO [stderr] warning: function is never used: `functions_dont_recur`
Nov 16 17:18:53.479 INFO [stderr]   --> src/validate.rs:42:1
Nov 16 17:18:53.479 INFO [stderr]    |
Nov 16 17:18:53.480 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:53.480 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.480 INFO [stderr] 
Nov 16 17:18:53.480 INFO [stderr] warning: enum is never used: `ConstExpr`
Nov 16 17:18:53.480 INFO [stderr]  --> src/picasso.rs:2:1
Nov 16 17:18:53.480 INFO [stderr]   |
Nov 16 17:18:53.480 INFO [stderr] 2 | pub enum ConstExpr {
Nov 16 17:18:53.480 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.480 INFO [stderr] 
Nov 16 17:18:53.480 INFO [stderr] warning: enum is never used: `Register`
Nov 16 17:18:53.480 INFO [stderr]  --> src/picasso.rs:7:1
Nov 16 17:18:53.480 INFO [stderr]   |
Nov 16 17:18:53.480 INFO [stderr] 7 | pub enum Register {
Nov 16 17:18:53.480 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 17:18:53.480 INFO [stderr] 
Nov 16 17:18:53.480 INFO [stderr] warning: struct is never constructed: `Ref`
Nov 16 17:18:53.480 INFO [stderr]   --> src/picasso.rs:13:1
Nov 16 17:18:53.480 INFO [stderr]    |
Nov 16 17:18:53.480 INFO [stderr] 13 | struct Ref {
Nov 16 17:18:53.480 INFO [stderr]    | ^^^^^^^^^^
Nov 16 17:18:53.480 INFO [stderr] 
Nov 16 17:18:53.480 INFO [stderr] warning: struct is never constructed: `Builder`
Nov 16 17:18:53.480 INFO [stderr]   --> src/picasso.rs:17:1
Nov 16 17:18:53.480 INFO [stderr]    |
Nov 16 17:18:53.480 INFO [stderr] 17 | struct Builder {
Nov 16 17:18:53.480 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 17:18:53.480 INFO [stderr] 
Nov 16 17:18:53.483 INFO [stderr] warning: function is never used: `main`
Nov 16 17:18:53.483 INFO [stderr]   --> src/lib.rs:17:1
Nov 16 17:18:53.483 INFO [stderr]    |
Nov 16 17:18:53.483 INFO [stderr] 17 | fn main() {
Nov 16 17:18:53.483 INFO [stderr]    | ^^^^^^^^^
Nov 16 17:18:53.483 INFO [stderr] 
Nov 16 17:18:55.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.75s
Nov 16 17:18:55.464 INFO [stderr] su: No module specific data is present
Nov 16 17:18:55.773 INFO running `"docker" "inspect" "7876e45d1cbd17d001d0d35a5a028144c0f424aec252c55e3105ef02da408bcc"`
Nov 16 17:18:55.879 INFO running `"docker" "rm" "-f" "7876e45d1cbd17d001d0d35a5a028144c0f424aec252c55e3105ef02da408bcc"`
Nov 16 17:18:55.994 INFO [stdout] 7876e45d1cbd17d001d0d35a5a028144c0f424aec252c55e3105ef02da408bcc
Nov 16 17:18:55.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 17:18:56.194 INFO [stdout] 9c332778b100d331d2b6ee47d3c207398dd129d4f9c97dce2556c8c66c61b273
Nov 16 17:18:56.196 INFO running `"docker" "start" "-a" "9c332778b100d331d2b6ee47d3c207398dd129d4f9c97dce2556c8c66c61b273"`
Nov 16 17:18:56.699 INFO [stderr] usermod: no changes
Nov 16 17:18:56.799 INFO [stderr]    Compiling ross v0.1.0 (/source)
Nov 16 17:18:57.363 INFO [stderr] warning: unused import: `ast::*`
Nov 16 17:18:57.363 INFO [stderr]  --> src/tests.rs:1:5
Nov 16 17:18:57.363 INFO [stderr]   |
Nov 16 17:18:57.363 INFO [stderr] 1 | use ast::*;
Nov 16 17:18:57.363 INFO [stderr]   |     ^^^^^^
Nov 16 17:18:57.363 INFO [stderr]   |
Nov 16 17:18:57.363 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 17:18:57.363 INFO [stderr] 
Nov 16 17:18:57.918 INFO [stderr] warning: unreachable expression
Nov 16 17:18:57.918 INFO [stderr]   --> src/parser.rs:32:5
Nov 16 17:18:57.918 INFO [stderr]    |
Nov 16 17:18:57.919 INFO [stderr] 32 |     Ok(module)
Nov 16 17:18:57.919 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 17:18:57.919 INFO [stderr]    |
Nov 16 17:18:57.920 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 16 17:18:57.920 INFO [stderr] 
Nov 16 17:18:58.569 INFO [stderr] warning: struct is never constructed: `Scope`
Nov 16 17:18:58.569 INFO [stderr]  --> src/trans.rs:2:1
Nov 16 17:18:58.569 INFO [stderr]   |
Nov 16 17:18:58.569 INFO [stderr] 2 | struct Scope {
Nov 16 17:18:58.569 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 17:18:58.569 INFO [stderr]   |
Nov 16 17:18:58.569 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 17:18:58.569 INFO [stderr] 
Nov 16 17:18:58.569 INFO [stderr] warning: method is never used: `new`
Nov 16 17:18:58.569 INFO [stderr]   --> src/trans.rs:13:5
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Nov 16 17:18:58.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: method is never used: `alloc`
Nov 16 17:18:58.570 INFO [stderr]   --> src/trans.rs:17:5
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Nov 16 17:18:58.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: function is never used: `module`
Nov 16 17:18:58.570 INFO [stderr]  --> src/validate.rs:4:1
Nov 16 17:18:58.570 INFO [stderr]   |
Nov 16 17:18:58.570 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:58.570 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Nov 16 17:18:58.570 INFO [stderr]   --> src/validate.rs:12:1
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:58.570 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: function is never used: `item_names_are_unique`
Nov 16 17:18:58.570 INFO [stderr]   --> src/validate.rs:27:1
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:58.570 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: function is never used: `functions_dont_recur`
Nov 16 17:18:58.570 INFO [stderr]   --> src/validate.rs:42:1
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Nov 16 17:18:58.570 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: enum is never used: `ConstExpr`
Nov 16 17:18:58.570 INFO [stderr]  --> src/picasso.rs:2:1
Nov 16 17:18:58.570 INFO [stderr]   |
Nov 16 17:18:58.570 INFO [stderr] 2 | pub enum ConstExpr {
Nov 16 17:18:58.570 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: enum is never used: `Register`
Nov 16 17:18:58.570 INFO [stderr]  --> src/picasso.rs:7:1
Nov 16 17:18:58.570 INFO [stderr]   |
Nov 16 17:18:58.570 INFO [stderr] 7 | pub enum Register {
Nov 16 17:18:58.570 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: struct is never constructed: `Ref`
Nov 16 17:18:58.570 INFO [stderr]   --> src/picasso.rs:13:1
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 13 | struct Ref {
Nov 16 17:18:58.570 INFO [stderr]    | ^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:58.570 INFO [stderr] warning: struct is never constructed: `Builder`
Nov 16 17:18:58.570 INFO [stderr]   --> src/picasso.rs:17:1
Nov 16 17:18:58.570 INFO [stderr]    |
Nov 16 17:18:58.570 INFO [stderr] 17 | struct Builder {
Nov 16 17:18:58.570 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 17:18:58.570 INFO [stderr] 
Nov 16 17:18:59.871 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
Nov 16 17:18:59.879 INFO [stderr] su: No module specific data is present
Nov 16 17:19:00.289 INFO running `"docker" "inspect" "9c332778b100d331d2b6ee47d3c207398dd129d4f9c97dce2556c8c66c61b273"`
Nov 16 17:19:00.478 INFO running `"docker" "rm" "-f" "9c332778b100d331d2b6ee47d3c207398dd129d4f9c97dce2556c8c66c61b273"`
Nov 16 17:19:00.683 INFO [stdout] 9c332778b100d331d2b6ee47d3c207398dd129d4f9c97dce2556c8c66c61b273