Dec 06 11:24:17.322 INFO testing NatTuck/meatball against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 11:24:17.322 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 11:24:17.916 INFO [stdout] bf4e29d2cb5e7a0fd7c731c1c084f457c8b7ebd58842222c5534a79bd294de50
Dec 06 11:24:17.918 INFO running `"docker" "start" "-a" "bf4e29d2cb5e7a0fd7c731c1c084f457c8b7ebd58842222c5534a79bd294de50"`
Dec 06 11:24:19.216 INFO [stderr] usermod: no changes
Dec 06 11:24:19.388 INFO [stderr]    Compiling meatball v0.1.0 (/source)
Dec 06 11:24:21.132 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 06 11:24:21.132 INFO [stderr]  --> src/program.rs:5:5
Dec 06 11:24:21.132 INFO [stderr]   |
Dec 06 11:24:21.132 INFO [stderr] 5 | use builtins::Builtin;
Dec 06 11:24:21.132 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 06 11:24:21.132 INFO [stderr]   |
Dec 06 11:24:21.132 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 11:24:21.132 INFO [stderr] 
Dec 06 11:24:21.564 INFO [stderr] warning: function is never used: `zero_expr`
Dec 06 11:24:21.564 INFO [stderr]   --> src/parse.rs:46:1
Dec 06 11:24:21.564 INFO [stderr]    |
Dec 06 11:24:21.564 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 06 11:24:21.564 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:24:21.564 INFO [stderr]    |
Dec 06 11:24:21.564 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 11:24:21.564 INFO [stderr] 
Dec 06 11:24:21.564 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 06 11:24:21.564 INFO [stderr]   --> src/program.rs:30:5
Dec 06 11:24:21.564 INFO [stderr]    |
Dec 06 11:24:21.564 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 06 11:24:21.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:24:21.564 INFO [stderr] 
Dec 06 11:24:21.564 INFO [stderr] warning: variant is never constructed: `Func`
Dec 06 11:24:21.564 INFO [stderr]   --> src/program.rs:31:5
Dec 06 11:24:21.564 INFO [stderr]    |
Dec 06 11:24:21.564 INFO [stderr] 31 |     Func(Box<Func>),
Dec 06 11:24:21.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 11:24:21.564 INFO [stderr] 
Dec 06 11:24:21.564 INFO [stderr] warning: function is never used: `ast2var`
Dec 06 11:24:21.564 INFO [stderr]   --> src/program.rs:80:1
Dec 06 11:24:21.564 INFO [stderr]    |
Dec 06 11:24:21.564 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 06 11:24:21.564 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:24:21.564 INFO [stderr] 
Dec 06 11:24:24.238 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
Dec 06 11:24:24.238 INFO [stderr] su: No module specific data is present
Dec 06 11:24:25.436 INFO running `"docker" "inspect" "bf4e29d2cb5e7a0fd7c731c1c084f457c8b7ebd58842222c5534a79bd294de50"`
Dec 06 11:24:25.766 INFO running `"docker" "rm" "-f" "bf4e29d2cb5e7a0fd7c731c1c084f457c8b7ebd58842222c5534a79bd294de50"`
Dec 06 11:24:26.064 INFO [stdout] bf4e29d2cb5e7a0fd7c731c1c084f457c8b7ebd58842222c5534a79bd294de50
Dec 06 11:24:26.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 11:24:26.678 INFO [stdout] 19a347c49223224e1af28baa6ef6bdf432ea362bce16e74fc73e4d3c23dc82f4
Dec 06 11:24:26.680 INFO running `"docker" "start" "-a" "19a347c49223224e1af28baa6ef6bdf432ea362bce16e74fc73e4d3c23dc82f4"`
Dec 06 11:24:28.624 INFO [stderr] usermod: no changes
Dec 06 11:24:28.700 INFO [stderr]    Compiling meatball v0.1.0 (/source)
Dec 06 11:24:30.008 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 06 11:24:30.008 INFO [stderr]  --> src/program.rs:5:5
Dec 06 11:24:30.008 INFO [stderr]   |
Dec 06 11:24:30.008 INFO [stderr] 5 | use builtins::Builtin;
Dec 06 11:24:30.008 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 06 11:24:30.008 INFO [stderr]   |
Dec 06 11:24:30.008 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 11:24:30.008 INFO [stderr] 
Dec 06 11:24:30.432 INFO [stderr] warning: function is never used: `zero_expr`
Dec 06 11:24:30.432 INFO [stderr]   --> src/parse.rs:46:1
Dec 06 11:24:30.432 INFO [stderr]    |
Dec 06 11:24:30.432 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 06 11:24:30.432 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:24:30.432 INFO [stderr]    |
Dec 06 11:24:30.432 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 11:24:30.432 INFO [stderr] 
Dec 06 11:24:30.432 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 06 11:24:30.432 INFO [stderr]   --> src/program.rs:30:5
Dec 06 11:24:30.432 INFO [stderr]    |
Dec 06 11:24:30.432 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 06 11:24:30.432 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:24:30.432 INFO [stderr] 
Dec 06 11:24:30.433 INFO [stderr] warning: variant is never constructed: `Func`
Dec 06 11:24:30.433 INFO [stderr]   --> src/program.rs:31:5
Dec 06 11:24:30.433 INFO [stderr]    |
Dec 06 11:24:30.433 INFO [stderr] 31 |     Func(Box<Func>),
Dec 06 11:24:30.433 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 11:24:30.433 INFO [stderr] 
Dec 06 11:24:30.433 INFO [stderr] warning: function is never used: `ast2var`
Dec 06 11:24:30.433 INFO [stderr]   --> src/program.rs:80:1
Dec 06 11:24:30.433 INFO [stderr]    |
Dec 06 11:24:30.433 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 06 11:24:30.433 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:24:30.433 INFO [stderr] 
Dec 06 11:24:30.824 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 06 11:24:30.824 INFO [stderr] su: No module specific data is present
Dec 06 11:24:31.590 INFO running `"docker" "inspect" "19a347c49223224e1af28baa6ef6bdf432ea362bce16e74fc73e4d3c23dc82f4"`
Dec 06 11:24:31.804 INFO running `"docker" "rm" "-f" "19a347c49223224e1af28baa6ef6bdf432ea362bce16e74fc73e4d3c23dc82f4"`
Dec 06 11:24:32.158 INFO [stdout] 19a347c49223224e1af28baa6ef6bdf432ea362bce16e74fc73e4d3c23dc82f4
Dec 06 11:24:32.162 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 11:24:32.684 INFO [stdout] d8a312efa8362877cd63e972f84bb6cc3a8a6c09305ff42bb720f7179141d2a8
Dec 06 11:24:32.686 INFO running `"docker" "start" "-a" "d8a312efa8362877cd63e972f84bb6cc3a8a6c09305ff42bb720f7179141d2a8"`
Dec 06 11:24:34.403 INFO [stderr] usermod: no changes
Dec 06 11:24:34.555 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 06 11:24:34.555 INFO [stderr]      Running /target/debug/deps/meatball-184a35df895fe2ad
Dec 06 11:24:34.560 INFO [stdout] 
Dec 06 11:24:34.560 INFO [stdout] running 0 tests
Dec 06 11:24:34.560 INFO [stdout] 
Dec 06 11:24:34.560 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 11:24:34.560 INFO [stdout] 
Dec 06 11:24:34.562 INFO [stderr] su: No module specific data is present
Dec 06 11:24:35.592 INFO running `"docker" "inspect" "d8a312efa8362877cd63e972f84bb6cc3a8a6c09305ff42bb720f7179141d2a8"`
Dec 06 11:24:35.868 INFO running `"docker" "rm" "-f" "d8a312efa8362877cd63e972f84bb6cc3a8a6c09305ff42bb720f7179141d2a8"`
Dec 06 11:24:36.180 INFO [stdout] d8a312efa8362877cd63e972f84bb6cc3a8a6c09305ff42bb720f7179141d2a8