Dec 17 18:30:26.234 INFO checking oampo/dosa against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:30:26.234 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/oampo/dosa:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:30:26.671 INFO [stdout] 2071e6ffa6c38c7b9210b916d18aaec8ca944c278964fb233d35b090be767af7
Dec 17 18:30:26.674 INFO running `"docker" "start" "-a" "2071e6ffa6c38c7b9210b916d18aaec8ca944c278964fb233d35b090be767af7"`
Dec 17 18:30:28.134 INFO [stderr]     Checking libc v0.2.29
Dec 17 18:30:28.138 INFO [stderr]     Checking enum_derive v0.1.7
Dec 17 18:30:28.138 INFO [stderr]     Checking macro-attr v0.2.0
Dec 17 18:30:29.103 INFO [stderr]     Checking memchr v1.0.1
Dec 17 18:30:29.360 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 18:30:29.904 INFO [stderr]     Checking regex v0.2.2
Dec 17 18:30:31.984 INFO [stderr]     Checking dosa v0.1.0 (/opt/crater/workdir)
Dec 17 18:30:32.212 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 17 18:30:32.212 INFO [stderr]  --> src/core/parser.rs:3:5
Dec 17 18:30:32.212 INFO [stderr]   |
Dec 17 18:30:32.212 INFO [stderr] 3 | use std::iter::Peekable;
Dec 17 18:30:32.212 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.212 INFO [stderr]   |
Dec 17 18:30:32.212 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:30:32.212 INFO [stderr] 
Dec 17 18:30:32.217 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 17 18:30:32.217 INFO [stderr]  --> src/core/parser.rs:3:5
Dec 17 18:30:32.217 INFO [stderr]   |
Dec 17 18:30:32.217 INFO [stderr] 3 | use std::iter::Peekable;
Dec 17 18:30:32.218 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.218 INFO [stderr]   |
Dec 17 18:30:32.218 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:30:32.218 INFO [stderr] 
Dec 17 18:30:32.292 INFO [stderr] warning: unused variable: `ast`
Dec 17 18:30:32.292 INFO [stderr]   --> src/main.rs:40:9
Dec 17 18:30:32.292 INFO [stderr]    |
Dec 17 18:30:32.292 INFO [stderr] 40 |     let ast = parser.parse()?;
Dec 17 18:30:32.292 INFO [stderr]    |         ^^^ help: consider using `_ast` instead
Dec 17 18:30:32.292 INFO [stderr]    |
Dec 17 18:30:32.292 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:30:32.292 INFO [stderr] 
Dec 17 18:30:32.320 INFO [stderr] warning: variant is never constructed: `Lambda`
Dec 17 18:30:32.322 INFO [stderr]  --> src/core/node.rs:3:5
Dec 17 18:30:32.322 INFO [stderr]   |
Dec 17 18:30:32.322 INFO [stderr] 3 |     Lambda,
Dec 17 18:30:32.322 INFO [stderr]   |     ^^^^^^
Dec 17 18:30:32.322 INFO [stderr]   |
Dec 17 18:30:32.322 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:30:32.322 INFO [stderr] 
Dec 17 18:30:32.322 INFO [stderr] warning: variant is never constructed: `Value`
Dec 17 18:30:32.322 INFO [stderr]   --> src/core/node.rs:10:5
Dec 17 18:30:32.322 INFO [stderr]    |
Dec 17 18:30:32.322 INFO [stderr] 10 |     Value,
Dec 17 18:30:32.322 INFO [stderr]    |     ^^^^^
Dec 17 18:30:32.322 INFO [stderr] 
Dec 17 18:30:32.322 INFO [stderr] warning: variant is never constructed: `BinaryOperator`
Dec 17 18:30:32.322 INFO [stderr]   --> src/core/node.rs:11:5
Dec 17 18:30:32.322 INFO [stderr]    |
Dec 17 18:30:32.322 INFO [stderr] 11 |     BinaryOperator
Dec 17 18:30:32.322 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 18:30:32.322 INFO [stderr] 
Dec 17 18:30:32.328 INFO [stderr] warning: unused variable: `ast`
Dec 17 18:30:32.328 INFO [stderr]   --> src/main.rs:40:9
Dec 17 18:30:32.328 INFO [stderr]    |
Dec 17 18:30:32.328 INFO [stderr] 40 |     let ast = parser.parse()?;
Dec 17 18:30:32.328 INFO [stderr]    |         ^^^ help: consider using `_ast` instead
Dec 17 18:30:32.328 INFO [stderr]    |
Dec 17 18:30:32.328 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:30:32.328 INFO [stderr] 
Dec 17 18:30:32.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.328 INFO [stderr]   --> src/core/token.rs:33:17
Dec 17 18:30:32.328 INFO [stderr]    |
Dec 17 18:30:32.328 INFO [stderr] 33 |                 parser.consume(Some(TokenKind::RightBracket));
Dec 17 18:30:32.329 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:30:32.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.329 INFO [stderr] 
Dec 17 18:30:32.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.329 INFO [stderr]   --> src/core/token.rs:38:17
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr] 38 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:32.329 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.329 INFO [stderr] 
Dec 17 18:30:32.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.329 INFO [stderr]   --> src/core/token.rs:84:17
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr] 84 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:32.329 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.329 INFO [stderr] 
Dec 17 18:30:32.329 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.329 INFO [stderr]   --> src/core/parser.rs:26:9
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr] 26 |         parser.advance();
Dec 17 18:30:32.329 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.329 INFO [stderr]    |
Dec 17 18:30:32.329 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.329 INFO [stderr] 
Dec 17 18:30:32.373 INFO [stderr] warning: variant is never constructed: `Lambda`
Dec 17 18:30:32.373 INFO [stderr]  --> src/core/node.rs:3:5
Dec 17 18:30:32.373 INFO [stderr]   |
Dec 17 18:30:32.373 INFO [stderr] 3 |     Lambda,
Dec 17 18:30:32.373 INFO [stderr]   |     ^^^^^^
Dec 17 18:30:32.373 INFO [stderr]   |
Dec 17 18:30:32.373 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:30:32.373 INFO [stderr] 
Dec 17 18:30:32.373 INFO [stderr] warning: variant is never constructed: `Value`
Dec 17 18:30:32.373 INFO [stderr]   --> src/core/node.rs:10:5
Dec 17 18:30:32.373 INFO [stderr]    |
Dec 17 18:30:32.373 INFO [stderr] 10 |     Value,
Dec 17 18:30:32.373 INFO [stderr]    |     ^^^^^
Dec 17 18:30:32.373 INFO [stderr] 
Dec 17 18:30:32.373 INFO [stderr] warning: variant is never constructed: `BinaryOperator`
Dec 17 18:30:32.373 INFO [stderr]   --> src/core/node.rs:11:5
Dec 17 18:30:32.373 INFO [stderr]    |
Dec 17 18:30:32.373 INFO [stderr] 11 |     BinaryOperator
Dec 17 18:30:32.373 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 18:30:32.373 INFO [stderr] 
Dec 17 18:30:32.382 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.382 INFO [stderr]   --> src/core/token.rs:33:17
Dec 17 18:30:32.382 INFO [stderr]    |
Dec 17 18:30:32.382 INFO [stderr] 33 |                 parser.consume(Some(TokenKind::RightBracket));
Dec 17 18:30:32.382 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.382 INFO [stderr]    |
Dec 17 18:30:32.382 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:30:32.382 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.382 INFO [stderr] 
Dec 17 18:30:32.382 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.382 INFO [stderr]   --> src/core/token.rs:38:17
Dec 17 18:30:32.382 INFO [stderr]    |
Dec 17 18:30:32.382 INFO [stderr] 38 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:32.382 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.382 INFO [stderr]    |
Dec 17 18:30:32.382 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.382 INFO [stderr] 
Dec 17 18:30:32.382 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.382 INFO [stderr]   --> src/core/token.rs:84:17
Dec 17 18:30:32.382 INFO [stderr]    |
Dec 17 18:30:32.382 INFO [stderr] 84 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:32.382 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.382 INFO [stderr]    |
Dec 17 18:30:32.382 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.382 INFO [stderr] 
Dec 17 18:30:32.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:32.384 INFO [stderr]   --> src/core/parser.rs:26:9
Dec 17 18:30:32.384 INFO [stderr]    |
Dec 17 18:30:32.384 INFO [stderr] 26 |         parser.advance();
Dec 17 18:30:32.384 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 17 18:30:32.384 INFO [stderr]    |
Dec 17 18:30:32.384 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:32.384 INFO [stderr] 
Dec 17 18:30:32.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
Dec 17 18:30:32.967 INFO running `"docker" "inspect" "2071e6ffa6c38c7b9210b916d18aaec8ca944c278964fb233d35b090be767af7"`
Dec 17 18:30:33.120 INFO running `"docker" "rm" "-f" "2071e6ffa6c38c7b9210b916d18aaec8ca944c278964fb233d35b090be767af7"`
Dec 17 18:30:33.251 INFO [stdout] 2071e6ffa6c38c7b9210b916d18aaec8ca944c278964fb233d35b090be767af7