Dec 14 07:36:24.620 INFO testing NatTuck/meatball against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:36:24.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:36:25.219 INFO [stdout] 88c9639255a45cefd18e2c6fbb33ec707c2da9e723e316fcb41cde54e64ce5fc
Dec 14 07:36:25.221 INFO running `"docker" "start" "-a" "88c9639255a45cefd18e2c6fbb33ec707c2da9e723e316fcb41cde54e64ce5fc"`
Dec 14 07:36:26.707 INFO [stderr] usermod: no changes
Dec 14 07:36:26.823 INFO [stderr]    Compiling meatball v0.1.0 (/source)
Dec 14 07:36:28.631 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 14 07:36:28.631 INFO [stderr]  --> src/program.rs:5:5
Dec 14 07:36:28.631 INFO [stderr]   |
Dec 14 07:36:28.631 INFO [stderr] 5 | use builtins::Builtin;
Dec 14 07:36:28.631 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 07:36:28.631 INFO [stderr]   |
Dec 14 07:36:28.631 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:36:28.631 INFO [stderr] 
Dec 14 07:36:29.105 INFO [stderr] warning: function is never used: `zero_expr`
Dec 14 07:36:29.105 INFO [stderr]   --> src/parse.rs:46:1
Dec 14 07:36:29.105 INFO [stderr]    |
Dec 14 07:36:29.106 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 14 07:36:29.106 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:29.106 INFO [stderr]    |
Dec 14 07:36:29.107 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:36:29.107 INFO [stderr] 
Dec 14 07:36:29.107 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 14 07:36:29.107 INFO [stderr]   --> src/program.rs:30:5
Dec 14 07:36:29.107 INFO [stderr]    |
Dec 14 07:36:29.108 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 14 07:36:29.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:29.108 INFO [stderr] 
Dec 14 07:36:29.108 INFO [stderr] warning: variant is never constructed: `Func`
Dec 14 07:36:29.109 INFO [stderr]   --> src/program.rs:31:5
Dec 14 07:36:29.109 INFO [stderr]    |
Dec 14 07:36:29.109 INFO [stderr] 31 |     Func(Box<Func>),
Dec 14 07:36:29.109 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 07:36:29.110 INFO [stderr] 
Dec 14 07:36:29.110 INFO [stderr] warning: function is never used: `ast2var`
Dec 14 07:36:29.110 INFO [stderr]   --> src/program.rs:80:1
Dec 14 07:36:29.110 INFO [stderr]    |
Dec 14 07:36:29.111 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 14 07:36:29.111 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:29.111 INFO [stderr] 
Dec 14 07:36:31.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
Dec 14 07:36:31.924 INFO [stderr] su: No module specific data is present
Dec 14 07:36:32.868 INFO running `"docker" "inspect" "88c9639255a45cefd18e2c6fbb33ec707c2da9e723e316fcb41cde54e64ce5fc"`
Dec 14 07:36:33.184 INFO running `"docker" "rm" "-f" "88c9639255a45cefd18e2c6fbb33ec707c2da9e723e316fcb41cde54e64ce5fc"`
Dec 14 07:36:33.435 INFO [stdout] 88c9639255a45cefd18e2c6fbb33ec707c2da9e723e316fcb41cde54e64ce5fc
Dec 14 07:36:33.443 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:36:33.795 INFO [stdout] 088058a50bd3eb1ecc203c362f6f927b7d68d97ed8a36accfe802fc9bd4ed962
Dec 14 07:36:33.801 INFO running `"docker" "start" "-a" "088058a50bd3eb1ecc203c362f6f927b7d68d97ed8a36accfe802fc9bd4ed962"`
Dec 14 07:36:35.691 INFO [stderr] usermod: no changes
Dec 14 07:36:35.803 INFO [stderr]    Compiling meatball v0.1.0 (/source)
Dec 14 07:36:37.155 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 14 07:36:37.155 INFO [stderr]  --> src/program.rs:5:5
Dec 14 07:36:37.155 INFO [stderr]   |
Dec 14 07:36:37.155 INFO [stderr] 5 | use builtins::Builtin;
Dec 14 07:36:37.155 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 07:36:37.155 INFO [stderr]   |
Dec 14 07:36:37.155 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:36:37.155 INFO [stderr] 
Dec 14 07:36:37.571 INFO [stderr] warning: function is never used: `zero_expr`
Dec 14 07:36:37.571 INFO [stderr]   --> src/parse.rs:46:1
Dec 14 07:36:37.571 INFO [stderr]    |
Dec 14 07:36:37.571 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 14 07:36:37.571 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:37.571 INFO [stderr]    |
Dec 14 07:36:37.571 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:36:37.571 INFO [stderr] 
Dec 14 07:36:37.571 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 14 07:36:37.571 INFO [stderr]   --> src/program.rs:30:5
Dec 14 07:36:37.571 INFO [stderr]    |
Dec 14 07:36:37.571 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 14 07:36:37.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:37.571 INFO [stderr] 
Dec 14 07:36:37.571 INFO [stderr] warning: variant is never constructed: `Func`
Dec 14 07:36:37.571 INFO [stderr]   --> src/program.rs:31:5
Dec 14 07:36:37.571 INFO [stderr]    |
Dec 14 07:36:37.571 INFO [stderr] 31 |     Func(Box<Func>),
Dec 14 07:36:37.571 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 07:36:37.571 INFO [stderr] 
Dec 14 07:36:37.571 INFO [stderr] warning: function is never used: `ast2var`
Dec 14 07:36:37.571 INFO [stderr]   --> src/program.rs:80:1
Dec 14 07:36:37.571 INFO [stderr]    |
Dec 14 07:36:37.571 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 14 07:36:37.571 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:36:37.571 INFO [stderr] 
Dec 14 07:36:37.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
Dec 14 07:36:37.926 INFO [stderr] su: No module specific data is present
Dec 14 07:36:39.289 INFO running `"docker" "inspect" "088058a50bd3eb1ecc203c362f6f927b7d68d97ed8a36accfe802fc9bd4ed962"`
Dec 14 07:36:39.663 INFO running `"docker" "rm" "-f" "088058a50bd3eb1ecc203c362f6f927b7d68d97ed8a36accfe802fc9bd4ed962"`
Dec 14 07:36:39.967 INFO [stdout] 088058a50bd3eb1ecc203c362f6f927b7d68d97ed8a36accfe802fc9bd4ed962
Dec 14 07:36:39.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:36:40.520 INFO [stdout] c1a527a39df8bb7ad9d581b62c0a240a8104f2f2a555ee1c9f5a19398a66139d
Dec 14 07:36:40.525 INFO running `"docker" "start" "-a" "c1a527a39df8bb7ad9d581b62c0a240a8104f2f2a555ee1c9f5a19398a66139d"`
Dec 14 07:36:41.882 INFO [stderr] usermod: no changes
Dec 14 07:36:42.016 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 14 07:36:42.026 INFO [stderr]      Running /target/debug/deps/meatball-fea7636e6c54c0fc
Dec 14 07:36:42.026 INFO [stderr] su: No module specific data is present
Dec 14 07:36:42.026 INFO [stdout] 
Dec 14 07:36:42.026 INFO [stdout] running 0 tests
Dec 14 07:36:42.026 INFO [stdout] 
Dec 14 07:36:42.026 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:36:42.026 INFO [stdout] 
Dec 14 07:36:42.975 INFO running `"docker" "inspect" "c1a527a39df8bb7ad9d581b62c0a240a8104f2f2a555ee1c9f5a19398a66139d"`
Dec 14 07:36:43.273 INFO running `"docker" "rm" "-f" "c1a527a39df8bb7ad9d581b62c0a240a8104f2f2a555ee1c9f5a19398a66139d"`
Dec 14 07:36:43.588 INFO [stdout] c1a527a39df8bb7ad9d581b62c0a240a8104f2f2a555ee1c9f5a19398a66139d