Dec 14 07:36:15.999 INFO testing NatTuck/meatball against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:36:15.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14 07:36:16.541 INFO [stdout] f1950950c7b0cdf7f3ecab82e2f8a4429a259f91acb3060968b06ca1f82215ea
Dec 14 07:36:16.544 INFO running `"docker" "start" "-a" "f1950950c7b0cdf7f3ecab82e2f8a4429a259f91acb3060968b06ca1f82215ea"`
Dec 14 07:36:18.574 INFO [stderr] usermod: no changes
Dec 14 07:36:18.803 INFO [stderr]    Compiling meatball v0.1.0 (/source)
Dec 14 07:36:20.751 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 14 07:36:20.751 INFO [stderr]  --> src/program.rs:5:5
Dec 14 07:36:20.751 INFO [stderr]   |
Dec 14 07:36:20.751 INFO [stderr] 5 | use builtins::Builtin;
Dec 14 07:36:20.751 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 07:36:20.751 INFO [stderr]   |
Dec 14 07:36:20.751 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:36:20.751 INFO [stderr] 
Dec 14 07:36:21.255 INFO [stderr] warning: function is never used: `zero_expr`
Dec 14 07:36:21.255 INFO [stderr]   --> src/parse.rs:46:1
Dec 14 07:36:21.255 INFO [stderr]    |
Dec 14 07:36:21.255 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 14 07:36:21.255 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:21.255 INFO [stderr]    |
Dec 14 07:36:21.255 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:36:21.255 INFO [stderr] 
Dec 14 07:36:21.255 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 14 07:36:21.255 INFO [stderr]   --> src/program.rs:30:5
Dec 14 07:36:21.255 INFO [stderr]    |
Dec 14 07:36:21.255 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 14 07:36:21.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:21.255 INFO [stderr] 
Dec 14 07:36:21.255 INFO [stderr] warning: variant is never constructed: `Func`
Dec 14 07:36:21.255 INFO [stderr]   --> src/program.rs:31:5
Dec 14 07:36:21.255 INFO [stderr]    |
Dec 14 07:36:21.255 INFO [stderr] 31 |     Func(Box<Func>),
Dec 14 07:36:21.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 07:36:21.255 INFO [stderr] 
Dec 14 07:36:21.255 INFO [stderr] warning: function is never used: `ast2var`
Dec 14 07:36:21.255 INFO [stderr]   --> src/program.rs:80:1
Dec 14 07:36:21.255 INFO [stderr]    |
Dec 14 07:36:21.255 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 14 07:36:21.255 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:21.255 INFO [stderr] 
Dec 14 07:36:24.146 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.54s
Dec 14 07:36:24.151 INFO [stderr] su: No module specific data is present
Dec 14 07:36:25.321 INFO running `"docker" "inspect" "f1950950c7b0cdf7f3ecab82e2f8a4429a259f91acb3060968b06ca1f82215ea"`
Dec 14 07:36:25.723 INFO running `"docker" "rm" "-f" "f1950950c7b0cdf7f3ecab82e2f8a4429a259f91acb3060968b06ca1f82215ea"`
Dec 14 07:36:26.103 INFO [stdout] f1950950c7b0cdf7f3ecab82e2f8a4429a259f91acb3060968b06ca1f82215ea
Dec 14 07:36:26.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14 07:36:26.524 INFO [stdout] 9bf630db0791d565d9c18f3eccaa8be250b8739dc5b2bbea377a1e46557e85c5
Dec 14 07:36:26.527 INFO running `"docker" "start" "-a" "9bf630db0791d565d9c18f3eccaa8be250b8739dc5b2bbea377a1e46557e85c5"`
Dec 14 07:36:28.825 INFO [stderr] usermod: no changes
Dec 14 07:36:28.911 INFO [stderr]    Compiling meatball v0.1.0 (/source)
Dec 14 07:36:30.266 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 14 07:36:30.266 INFO [stderr]  --> src/program.rs:5:5
Dec 14 07:36:30.266 INFO [stderr]   |
Dec 14 07:36:30.267 INFO [stderr] 5 | use builtins::Builtin;
Dec 14 07:36:30.267 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 07:36:30.267 INFO [stderr]   |
Dec 14 07:36:30.267 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:36:30.268 INFO [stderr] 
Dec 14 07:36:30.645 INFO [stderr] warning: function is never used: `zero_expr`
Dec 14 07:36:30.645 INFO [stderr]   --> src/parse.rs:46:1
Dec 14 07:36:30.645 INFO [stderr]    |
Dec 14 07:36:30.645 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 14 07:36:30.645 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:30.646 INFO [stderr]    |
Dec 14 07:36:30.646 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:36:30.646 INFO [stderr] 
Dec 14 07:36:30.646 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 14 07:36:30.646 INFO [stderr]   --> src/program.rs:30:5
Dec 14 07:36:30.647 INFO [stderr]    |
Dec 14 07:36:30.647 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 14 07:36:30.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:30.647 INFO [stderr] 
Dec 14 07:36:30.648 INFO [stderr] warning: variant is never constructed: `Func`
Dec 14 07:36:30.648 INFO [stderr]   --> src/program.rs:31:5
Dec 14 07:36:30.648 INFO [stderr]    |
Dec 14 07:36:30.648 INFO [stderr] 31 |     Func(Box<Func>),
Dec 14 07:36:30.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 07:36:30.649 INFO [stderr] 
Dec 14 07:36:30.649 INFO [stderr] warning: function is never used: `ast2var`
Dec 14 07:36:30.649 INFO [stderr]   --> src/program.rs:80:1
Dec 14 07:36:30.650 INFO [stderr]    |
Dec 14 07:36:30.650 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 14 07:36:30.650 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:30.650 INFO [stderr] 
Dec 14 07:36:30.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Dec 14 07:36:30.977 INFO [stderr] su: No module specific data is present
Dec 14 07:36:32.423 INFO running `"docker" "inspect" "9bf630db0791d565d9c18f3eccaa8be250b8739dc5b2bbea377a1e46557e85c5"`
Dec 14 07:36:32.797 INFO running `"docker" "rm" "-f" "9bf630db0791d565d9c18f3eccaa8be250b8739dc5b2bbea377a1e46557e85c5"`
Dec 14 07:36:33.091 INFO [stdout] 9bf630db0791d565d9c18f3eccaa8be250b8739dc5b2bbea377a1e46557e85c5
Dec 14 07:36:33.099 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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" "-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 14 07:36:33.563 INFO [stdout] 352e5c45dd98d64320f0c1bb8e8510d52774b16344a7719bb5788fcf21c65853
Dec 14 07:36:33.571 INFO running `"docker" "start" "-a" "352e5c45dd98d64320f0c1bb8e8510d52774b16344a7719bb5788fcf21c65853"`
Dec 14 07:36:35.179 INFO [stderr] usermod: no changes
Dec 14 07:36:35.332 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
Dec 14 07:36:35.332 INFO [stderr]      Running /target/debug/deps/meatball-12837a028e9620c9
Dec 14 07:36:35.333 INFO [stdout] 
Dec 14 07:36:35.333 INFO [stdout] running 0 tests
Dec 14 07:36:35.333 INFO [stdout] 
Dec 14 07:36:35.333 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:36:35.333 INFO [stdout] 
Dec 14 07:36:35.339 INFO [stderr] su: No module specific data is present
Dec 14 07:36:36.943 INFO running `"docker" "inspect" "352e5c45dd98d64320f0c1bb8e8510d52774b16344a7719bb5788fcf21c65853"`
Dec 14 07:36:37.320 INFO running `"docker" "rm" "-f" "352e5c45dd98d64320f0c1bb8e8510d52774b16344a7719bb5788fcf21c65853"`
Dec 14 07:36:37.719 INFO [stdout] 352e5c45dd98d64320f0c1bb8e8510d52774b16344a7719bb5788fcf21c65853