Dec 11 12:26:34.690 INFO checking oampo/dosa against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:26:34.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 12:26:35.125 INFO [stdout] 193c00493f46d86e6f2be62b9d05c769c023e068fe40d66887e299367ddc66a2
Dec 11 12:26:35.130 INFO running `"docker" "start" "-a" "193c00493f46d86e6f2be62b9d05c769c023e068fe40d66887e299367ddc66a2"`
Dec 11 12:26:35.845 INFO [stderr] usermod: no changes
Dec 11 12:26:35.908 INFO [stderr]     Checking libc v0.2.29
Dec 11 12:26:35.911 INFO [stderr]     Checking enum_derive v0.1.7
Dec 11 12:26:35.911 INFO [stderr]     Checking macro-attr v0.2.0
Dec 11 12:26:36.780 INFO [stderr]     Checking memchr v1.0.1
Dec 11 12:26:37.116 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 11 12:26:37.836 INFO [stderr]     Checking regex v0.2.2
Dec 11 12:26:39.808 INFO [stderr]     Checking dosa v0.1.0 (/source)
Dec 11 12:26:40.232 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 11 12:26:40.232 INFO [stderr]  --> src/core/parser.rs:3:5
Dec 11 12:26:40.232 INFO [stderr]   |
Dec 11 12:26:40.232 INFO [stderr] 3 | use std::iter::Peekable;
Dec 11 12:26:40.232 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.232 INFO [stderr]   |
Dec 11 12:26:40.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 12:26:40.232 INFO [stderr] 
Dec 11 12:26:40.316 INFO [stderr] warning: unused variable: `ast`
Dec 11 12:26:40.316 INFO [stderr]   --> src/main.rs:40:9
Dec 11 12:26:40.316 INFO [stderr]    |
Dec 11 12:26:40.316 INFO [stderr] 40 |     let ast = parser.parse()?;
Dec 11 12:26:40.316 INFO [stderr]    |         ^^^ help: consider using `_ast` instead
Dec 11 12:26:40.316 INFO [stderr]    |
Dec 11 12:26:40.316 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 12:26:40.316 INFO [stderr] 
Dec 11 12:26:40.342 INFO [stderr] warning: variant is never constructed: `Lambda`
Dec 11 12:26:40.342 INFO [stderr]  --> src/core/node.rs:3:5
Dec 11 12:26:40.342 INFO [stderr]   |
Dec 11 12:26:40.342 INFO [stderr] 3 |     Lambda,
Dec 11 12:26:40.342 INFO [stderr]   |     ^^^^^^
Dec 11 12:26:40.343 INFO [stderr]   |
Dec 11 12:26:40.343 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 12:26:40.343 INFO [stderr] 
Dec 11 12:26:40.343 INFO [stderr] warning: variant is never constructed: `Value`
Dec 11 12:26:40.343 INFO [stderr]   --> src/core/node.rs:10:5
Dec 11 12:26:40.343 INFO [stderr]    |
Dec 11 12:26:40.343 INFO [stderr] 10 |     Value,
Dec 11 12:26:40.343 INFO [stderr]    |     ^^^^^
Dec 11 12:26:40.343 INFO [stderr] 
Dec 11 12:26:40.343 INFO [stderr] warning: variant is never constructed: `BinaryOperator`
Dec 11 12:26:40.343 INFO [stderr]   --> src/core/node.rs:11:5
Dec 11 12:26:40.343 INFO [stderr]    |
Dec 11 12:26:40.343 INFO [stderr] 11 |     BinaryOperator
Dec 11 12:26:40.343 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 11 12:26:40.343 INFO [stderr] 
Dec 11 12:26:40.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.352 INFO [stderr]   --> src/core/token.rs:33:17
Dec 11 12:26:40.352 INFO [stderr]    |
Dec 11 12:26:40.352 INFO [stderr] 33 |                 parser.consume(Some(TokenKind::RightBracket));
Dec 11 12:26:40.352 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.352 INFO [stderr]    |
Dec 11 12:26:40.352 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 12:26:40.352 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.352 INFO [stderr] 
Dec 11 12:26:40.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.352 INFO [stderr]   --> src/core/token.rs:38:17
Dec 11 12:26:40.352 INFO [stderr]    |
Dec 11 12:26:40.352 INFO [stderr] 38 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 11 12:26:40.352 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.352 INFO [stderr]    |
Dec 11 12:26:40.352 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.352 INFO [stderr] 
Dec 11 12:26:40.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.352 INFO [stderr]   --> src/core/token.rs:84:17
Dec 11 12:26:40.353 INFO [stderr]    |
Dec 11 12:26:40.353 INFO [stderr] 84 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 11 12:26:40.353 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.353 INFO [stderr]    |
Dec 11 12:26:40.353 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.353 INFO [stderr] 
Dec 11 12:26:40.353 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.353 INFO [stderr]   --> src/core/parser.rs:26:9
Dec 11 12:26:40.353 INFO [stderr]    |
Dec 11 12:26:40.353 INFO [stderr] 26 |         parser.advance();
Dec 11 12:26:40.353 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.353 INFO [stderr]    |
Dec 11 12:26:40.354 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.354 INFO [stderr] 
Dec 11 12:26:40.408 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 11 12:26:40.408 INFO [stderr]  --> src/core/parser.rs:3:5
Dec 11 12:26:40.408 INFO [stderr]   |
Dec 11 12:26:40.408 INFO [stderr] 3 | use std::iter::Peekable;
Dec 11 12:26:40.408 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.408 INFO [stderr]   |
Dec 11 12:26:40.408 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 12:26:40.408 INFO [stderr] 
Dec 11 12:26:40.500 INFO [stderr] warning: unused variable: `ast`
Dec 11 12:26:40.500 INFO [stderr]   --> src/main.rs:40:9
Dec 11 12:26:40.500 INFO [stderr]    |
Dec 11 12:26:40.500 INFO [stderr] 40 |     let ast = parser.parse()?;
Dec 11 12:26:40.500 INFO [stderr]    |         ^^^ help: consider using `_ast` instead
Dec 11 12:26:40.501 INFO [stderr]    |
Dec 11 12:26:40.501 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 12:26:40.501 INFO [stderr] 
Dec 11 12:26:40.528 INFO [stderr] warning: variant is never constructed: `Lambda`
Dec 11 12:26:40.528 INFO [stderr]  --> src/core/node.rs:3:5
Dec 11 12:26:40.528 INFO [stderr]   |
Dec 11 12:26:40.528 INFO [stderr] 3 |     Lambda,
Dec 11 12:26:40.528 INFO [stderr]   |     ^^^^^^
Dec 11 12:26:40.528 INFO [stderr]   |
Dec 11 12:26:40.528 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 12:26:40.528 INFO [stderr] 
Dec 11 12:26:40.528 INFO [stderr] warning: variant is never constructed: `Value`
Dec 11 12:26:40.528 INFO [stderr]   --> src/core/node.rs:10:5
Dec 11 12:26:40.528 INFO [stderr]    |
Dec 11 12:26:40.528 INFO [stderr] 10 |     Value,
Dec 11 12:26:40.528 INFO [stderr]    |     ^^^^^
Dec 11 12:26:40.528 INFO [stderr] 
Dec 11 12:26:40.528 INFO [stderr] warning: variant is never constructed: `BinaryOperator`
Dec 11 12:26:40.528 INFO [stderr]   --> src/core/node.rs:11:5
Dec 11 12:26:40.528 INFO [stderr]    |
Dec 11 12:26:40.528 INFO [stderr] 11 |     BinaryOperator
Dec 11 12:26:40.528 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 11 12:26:40.528 INFO [stderr] 
Dec 11 12:26:40.537 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.537 INFO [stderr]   --> src/core/token.rs:33:17
Dec 11 12:26:40.537 INFO [stderr]    |
Dec 11 12:26:40.537 INFO [stderr] 33 |                 parser.consume(Some(TokenKind::RightBracket));
Dec 11 12:26:40.537 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.537 INFO [stderr]    |
Dec 11 12:26:40.537 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 12:26:40.537 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.537 INFO [stderr] 
Dec 11 12:26:40.537 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.537 INFO [stderr]   --> src/core/token.rs:38:17
Dec 11 12:26:40.537 INFO [stderr]    |
Dec 11 12:26:40.537 INFO [stderr] 38 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 11 12:26:40.537 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.537 INFO [stderr]    |
Dec 11 12:26:40.537 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.537 INFO [stderr] 
Dec 11 12:26:40.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.540 INFO [stderr]   --> src/core/token.rs:84:17
Dec 11 12:26:40.540 INFO [stderr]    |
Dec 11 12:26:40.540 INFO [stderr] 84 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 11 12:26:40.540 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.540 INFO [stderr]    |
Dec 11 12:26:40.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.540 INFO [stderr] 
Dec 11 12:26:40.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 12:26:40.540 INFO [stderr]   --> src/core/parser.rs:26:9
Dec 11 12:26:40.540 INFO [stderr]    |
Dec 11 12:26:40.540 INFO [stderr] 26 |         parser.advance();
Dec 11 12:26:40.540 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 11 12:26:40.540 INFO [stderr]    |
Dec 11 12:26:40.540 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 12:26:40.540 INFO [stderr] 
Dec 11 12:26:40.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
Dec 11 12:26:40.564 INFO [stderr] su: No module specific data is present
Dec 11 12:26:41.213 INFO running `"docker" "inspect" "193c00493f46d86e6f2be62b9d05c769c023e068fe40d66887e299367ddc66a2"`
Dec 11 12:26:41.502 INFO running `"docker" "rm" "-f" "193c00493f46d86e6f2be62b9d05c769c023e068fe40d66887e299367ddc66a2"`
Dec 11 12:26:41.796 INFO [stdout] 193c00493f46d86e6f2be62b9d05c769c023e068fe40d66887e299367ddc66a2