Nov 16 17:18:45.718 INFO testing panicbit/ross against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 17:18:45.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17:18:46.193 INFO [stdout] b5e379ad95fb4c61a94d5b0bab6282fe1dc6c3a0ed991f079bf06a5e766bc96e
Nov 16 17:18:46.196 INFO running `"docker" "start" "-a" "b5e379ad95fb4c61a94d5b0bab6282fe1dc6c3a0ed991f079bf06a5e766bc96e"`
Nov 16 17:18:48.008 INFO [stderr] usermod: no changes
Nov 16 17:18:48.162 INFO [stderr]    Compiling pest v1.0.1
Nov 16 17:18:48.162 INFO [stderr]    Compiling syn v0.10.8
Nov 16 17:18:48.163 INFO [stderr]    Compiling itertools v0.7.6
Nov 16 17:18:48.163 INFO [stderr]    Compiling backtrace-sys v0.1.16
Nov 16 17:18:48.739 INFO [stderr]    Compiling backtrace v0.3.5
Nov 16 17:18:50.699 INFO [stderr]    Compiling failure v0.1.1
Nov 16 17:18:53.669 INFO [stderr]    Compiling pest_derive v1.0.1
Nov 16 17:18:59.207 INFO [stderr]    Compiling ross v0.1.0 (/source)
Nov 16 17:18:59.706 INFO [stderr] warning: unused `#[macro_use]` import
Nov 16 17:18:59.706 INFO [stderr]  --> src/lib.rs:2:1
Nov 16 17:18:59.706 INFO [stderr]   |
Nov 16 17:18:59.706 INFO [stderr] 2 | #[macro_use] extern crate pest;
Nov 16 17:18:59.706 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 17:18:59.706 INFO [stderr]   |
Nov 16 17:18:59.706 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 17:18:59.706 INFO [stderr] 
Nov 16 17:19:00.012 INFO [stderr] warning: unreachable expression
Nov 16 17:19:00.012 INFO [stderr]   --> src/parser.rs:32:5
Nov 16 17:19:00.012 INFO [stderr]    |
Nov 16 17:19:00.012 INFO [stderr] 32 |     Ok(module)
Nov 16 17:19:00.012 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 17:19:00.012 INFO [stderr]    |
Nov 16 17:19:00.012 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 16 17:19:00.012 INFO [stderr] 
Nov 16 17:19:00.447 INFO [stderr] warning: struct is never constructed: `Scope`
Nov 16 17:19:00.447 INFO [stderr]  --> src/trans.rs:2:1
Nov 16 17:19:00.448 INFO [stderr]   |
Nov 16 17:19:00.448 INFO [stderr] 2 | struct Scope {
Nov 16 17:19:00.448 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 17:19:00.449 INFO [stderr]   |
Nov 16 17:19:00.449 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 17:19:00.449 INFO [stderr] 
Nov 16 17:19:00.449 INFO [stderr] warning: method is never used: `new`
Nov 16 17:19:00.450 INFO [stderr]   --> src/trans.rs:13:5
Nov 16 17:19:00.450 INFO [stderr]    |
Nov 16 17:19:00.450 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Nov 16 17:19:00.450 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.451 INFO [stderr] 
Nov 16 17:19:00.451 INFO [stderr] warning: method is never used: `alloc`
Nov 16 17:19:00.451 INFO [stderr]   --> src/trans.rs:17:5
Nov 16 17:19:00.452 INFO [stderr]    |
Nov 16 17:19:00.452 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Nov 16 17:19:00.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.453 INFO [stderr] 
Nov 16 17:19:00.453 INFO [stderr] warning: function is never used: `module`
Nov 16 17:19:00.453 INFO [stderr]  --> src/validate.rs:4:1
Nov 16 17:19:00.453 INFO [stderr]   |
Nov 16 17:19:00.454 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:00.454 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.454 INFO [stderr] 
Nov 16 17:19:00.455 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Nov 16 17:19:00.455 INFO [stderr]   --> src/validate.rs:12:1
Nov 16 17:19:00.455 INFO [stderr]    |
Nov 16 17:19:00.456 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:00.456 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.456 INFO [stderr] 
Nov 16 17:19:00.456 INFO [stderr] warning: function is never used: `item_names_are_unique`
Nov 16 17:19:00.457 INFO [stderr]   --> src/validate.rs:27:1
Nov 16 17:19:00.457 INFO [stderr]    |
Nov 16 17:19:00.457 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:00.458 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.458 INFO [stderr] 
Nov 16 17:19:00.458 INFO [stderr] warning: function is never used: `functions_dont_recur`
Nov 16 17:19:00.467 INFO [stderr]   --> src/validate.rs:42:1
Nov 16 17:19:00.467 INFO [stderr]    |
Nov 16 17:19:00.470 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:00.471 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.471 INFO [stderr] 
Nov 16 17:19:00.471 INFO [stderr] warning: enum is never used: `ConstExpr`
Nov 16 17:19:00.471 INFO [stderr]  --> src/picasso.rs:2:1
Nov 16 17:19:00.471 INFO [stderr]   |
Nov 16 17:19:00.471 INFO [stderr] 2 | pub enum ConstExpr {
Nov 16 17:19:00.472 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.472 INFO [stderr] 
Nov 16 17:19:00.472 INFO [stderr] warning: enum is never used: `Register`
Nov 16 17:19:00.472 INFO [stderr]  --> src/picasso.rs:7:1
Nov 16 17:19:00.472 INFO [stderr]   |
Nov 16 17:19:00.472 INFO [stderr] 7 | pub enum Register {
Nov 16 17:19:00.472 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 17:19:00.473 INFO [stderr] 
Nov 16 17:19:00.473 INFO [stderr] warning: struct is never constructed: `Ref`
Nov 16 17:19:00.473 INFO [stderr]   --> src/picasso.rs:13:1
Nov 16 17:19:00.473 INFO [stderr]    |
Nov 16 17:19:00.473 INFO [stderr] 13 | struct Ref {
Nov 16 17:19:00.474 INFO [stderr]    | ^^^^^^^^^^
Nov 16 17:19:00.474 INFO [stderr] 
Nov 16 17:19:00.474 INFO [stderr] warning: struct is never constructed: `Builder`
Nov 16 17:19:00.474 INFO [stderr]   --> src/picasso.rs:17:1
Nov 16 17:19:00.474 INFO [stderr]    |
Nov 16 17:19:00.474 INFO [stderr] 17 | struct Builder {
Nov 16 17:19:00.475 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 17:19:00.475 INFO [stderr] 
Nov 16 17:19:00.475 INFO [stderr] warning: function is never used: `main`
Nov 16 17:19:00.475 INFO [stderr]   --> src/lib.rs:17:1
Nov 16 17:19:00.475 INFO [stderr]    |
Nov 16 17:19:00.475 INFO [stderr] 17 | fn main() {
Nov 16 17:19:00.476 INFO [stderr]    | ^^^^^^^^^
Nov 16 17:19:00.476 INFO [stderr] 
Nov 16 17:19:02.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.32s
Nov 16 17:19:02.359 INFO [stderr] su: No module specific data is present
Nov 16 17:19:02.782 INFO running `"docker" "inspect" "b5e379ad95fb4c61a94d5b0bab6282fe1dc6c3a0ed991f079bf06a5e766bc96e"`
Nov 16 17:19:03.035 INFO running `"docker" "rm" "-f" "b5e379ad95fb4c61a94d5b0bab6282fe1dc6c3a0ed991f079bf06a5e766bc96e"`
Nov 16 17:19:03.319 INFO [stdout] b5e379ad95fb4c61a94d5b0bab6282fe1dc6c3a0ed991f079bf06a5e766bc96e
Nov 16 17:19:03.326 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17:19:03.651 INFO [stdout] fb307d80686cc15cabb1bd6ceb1daf3a9c1e503efcc02e3e5631cff06d152cd2
Nov 16 17:19:03.654 INFO running `"docker" "start" "-a" "fb307d80686cc15cabb1bd6ceb1daf3a9c1e503efcc02e3e5631cff06d152cd2"`
Nov 16 17:19:04.799 INFO [stderr] usermod: no changes
Nov 16 17:19:04.899 INFO [stderr]    Compiling ross v0.1.0 (/source)
Nov 16 17:19:05.431 INFO [stderr] warning: unused import: `ast::*`
Nov 16 17:19:05.431 INFO [stderr]  --> src/tests.rs:1:5
Nov 16 17:19:05.431 INFO [stderr]   |
Nov 16 17:19:05.432 INFO [stderr] 1 | use ast::*;
Nov 16 17:19:05.432 INFO [stderr]   |     ^^^^^^
Nov 16 17:19:05.432 INFO [stderr]   |
Nov 16 17:19:05.433 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 17:19:05.433 INFO [stderr] 
Nov 16 17:19:05.783 INFO [stderr] warning: unreachable expression
Nov 16 17:19:05.783 INFO [stderr]   --> src/parser.rs:32:5
Nov 16 17:19:05.783 INFO [stderr]    |
Nov 16 17:19:05.783 INFO [stderr] 32 |     Ok(module)
Nov 16 17:19:05.783 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 17:19:05.783 INFO [stderr]    |
Nov 16 17:19:05.783 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 16 17:19:05.783 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: struct is never constructed: `Scope`
Nov 16 17:19:06.827 INFO [stderr]  --> src/trans.rs:2:1
Nov 16 17:19:06.827 INFO [stderr]   |
Nov 16 17:19:06.827 INFO [stderr] 2 | struct Scope {
Nov 16 17:19:06.827 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr]   |
Nov 16 17:19:06.827 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: method is never used: `new`
Nov 16 17:19:06.827 INFO [stderr]   --> src/trans.rs:13:5
Nov 16 17:19:06.827 INFO [stderr]    |
Nov 16 17:19:06.827 INFO [stderr] 13 |     fn new(available: usize) -> Self {
Nov 16 17:19:06.827 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: method is never used: `alloc`
Nov 16 17:19:06.827 INFO [stderr]   --> src/trans.rs:17:5
Nov 16 17:19:06.827 INFO [stderr]    |
Nov 16 17:19:06.827 INFO [stderr] 17 |     fn alloc(&mut self) -> Option<usize> {
Nov 16 17:19:06.827 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: function is never used: `module`
Nov 16 17:19:06.827 INFO [stderr]  --> src/validate.rs:4:1
Nov 16 17:19:06.827 INFO [stderr]   |
Nov 16 17:19:06.827 INFO [stderr] 4 | pub fn module(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:06.827 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: function is never used: `static_blocks_are_unique`
Nov 16 17:19:06.827 INFO [stderr]   --> src/validate.rs:12:1
Nov 16 17:19:06.827 INFO [stderr]    |
Nov 16 17:19:06.827 INFO [stderr] 12 | pub(crate) fn static_blocks_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:06.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: function is never used: `item_names_are_unique`
Nov 16 17:19:06.827 INFO [stderr]   --> src/validate.rs:27:1
Nov 16 17:19:06.827 INFO [stderr]    |
Nov 16 17:19:06.827 INFO [stderr] 27 | pub(crate) fn item_names_are_unique(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:06.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: function is never used: `functions_dont_recur`
Nov 16 17:19:06.827 INFO [stderr]   --> src/validate.rs:42:1
Nov 16 17:19:06.827 INFO [stderr]    |
Nov 16 17:19:06.827 INFO [stderr] 42 | pub(crate) fn functions_dont_recur(items: &[Item]) -> Result<(), Error> {
Nov 16 17:19:06.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.827 INFO [stderr] 
Nov 16 17:19:06.827 INFO [stderr] warning: enum is never used: `ConstExpr`
Nov 16 17:19:06.827 INFO [stderr]  --> src/picasso.rs:2:1
Nov 16 17:19:06.827 INFO [stderr]   |
Nov 16 17:19:06.828 INFO [stderr] 2 | pub enum ConstExpr {
Nov 16 17:19:06.828 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.828 INFO [stderr] 
Nov 16 17:19:06.828 INFO [stderr] warning: enum is never used: `Register`
Nov 16 17:19:06.828 INFO [stderr]  --> src/picasso.rs:7:1
Nov 16 17:19:06.828 INFO [stderr]   |
Nov 16 17:19:06.828 INFO [stderr] 7 | pub enum Register {
Nov 16 17:19:06.828 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 17:19:06.828 INFO [stderr] 
Nov 16 17:19:06.828 INFO [stderr] warning: struct is never constructed: `Ref`
Nov 16 17:19:06.828 INFO [stderr]   --> src/picasso.rs:13:1
Nov 16 17:19:06.828 INFO [stderr]    |
Nov 16 17:19:06.828 INFO [stderr] 13 | struct Ref {
Nov 16 17:19:06.828 INFO [stderr]    | ^^^^^^^^^^
Nov 16 17:19:06.828 INFO [stderr] 
Nov 16 17:19:06.828 INFO [stderr] warning: struct is never constructed: `Builder`
Nov 16 17:19:06.828 INFO [stderr]   --> src/picasso.rs:17:1
Nov 16 17:19:06.828 INFO [stderr]    |
Nov 16 17:19:06.828 INFO [stderr] 17 | struct Builder {
Nov 16 17:19:06.828 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 16 17:19:06.828 INFO [stderr] 
Nov 16 17:19:08.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
Nov 16 17:19:08.629 INFO [stderr] su: No module specific data is present
Nov 16 17:19:09.392 INFO running `"docker" "inspect" "fb307d80686cc15cabb1bd6ceb1daf3a9c1e503efcc02e3e5631cff06d152cd2"`
Nov 16 17:19:09.609 INFO running `"docker" "rm" "-f" "fb307d80686cc15cabb1bd6ceb1daf3a9c1e503efcc02e3e5631cff06d152cd2"`
Nov 16 17:19:10.002 INFO [stdout] fb307d80686cc15cabb1bd6ceb1daf3a9c1e503efcc02e3e5631cff06d152cd2