Dec 17 18:30:25.955 INFO checking oampo/dosa against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:30:25.955 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:30:26.492 INFO [stdout] 35875b9df2596a292314ea121155fa34cf9517903b499c3893759a6f05aa3d50
Dec 17 18:30:26.497 INFO running `"docker" "start" "-a" "35875b9df2596a292314ea121155fa34cf9517903b499c3893759a6f05aa3d50"`
Dec 17 18:30:27.909 INFO [stderr]     Checking libc v0.2.29
Dec 17 18:30:27.909 INFO [stderr]     Checking enum_derive v0.1.7
Dec 17 18:30:27.909 INFO [stderr]     Checking macro-attr v0.2.0
Dec 17 18:30:28.774 INFO [stderr]     Checking memchr v1.0.1
Dec 17 18:30:28.992 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 18:30:29.613 INFO [stderr]     Checking regex v0.2.2
Dec 17 18:30:31.556 INFO [stderr]     Checking dosa v0.1.0 (/opt/crater/workdir)
Dec 17 18:30:31.752 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 17 18:30:31.752 INFO [stderr]  --> src/core/parser.rs:3:5
Dec 17 18:30:31.752 INFO [stderr]   |
Dec 17 18:30:31.752 INFO [stderr] 3 | use std::iter::Peekable;
Dec 17 18:30:31.752 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.752 INFO [stderr]   |
Dec 17 18:30:31.752 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:30:31.752 INFO [stderr] 
Dec 17 18:30:31.820 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 17 18:30:31.820 INFO [stderr]  --> src/core/parser.rs:3:5
Dec 17 18:30:31.820 INFO [stderr]   |
Dec 17 18:30:31.820 INFO [stderr] 3 | use std::iter::Peekable;
Dec 17 18:30:31.821 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.821 INFO [stderr]   |
Dec 17 18:30:31.821 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:30:31.821 INFO [stderr] 
Dec 17 18:30:31.844 INFO [stderr] warning: unused variable: `ast`
Dec 17 18:30:31.844 INFO [stderr]   --> src/main.rs:40:9
Dec 17 18:30:31.844 INFO [stderr]    |
Dec 17 18:30:31.844 INFO [stderr] 40 |     let ast = parser.parse()?;
Dec 17 18:30:31.844 INFO [stderr]    |         ^^^ help: consider using `_ast` instead
Dec 17 18:30:31.844 INFO [stderr]    |
Dec 17 18:30:31.844 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:30:31.844 INFO [stderr] 
Dec 17 18:30:31.872 INFO [stderr] warning: variant is never constructed: `Lambda`
Dec 17 18:30:31.872 INFO [stderr]  --> src/core/node.rs:3:5
Dec 17 18:30:31.872 INFO [stderr]   |
Dec 17 18:30:31.872 INFO [stderr] 3 |     Lambda,
Dec 17 18:30:31.872 INFO [stderr]   |     ^^^^^^
Dec 17 18:30:31.872 INFO [stderr]   |
Dec 17 18:30:31.872 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:30:31.872 INFO [stderr] 
Dec 17 18:30:31.872 INFO [stderr] warning: variant is never constructed: `Value`
Dec 17 18:30:31.872 INFO [stderr]   --> src/core/node.rs:10:5
Dec 17 18:30:31.872 INFO [stderr]    |
Dec 17 18:30:31.872 INFO [stderr] 10 |     Value,
Dec 17 18:30:31.872 INFO [stderr]    |     ^^^^^
Dec 17 18:30:31.872 INFO [stderr] 
Dec 17 18:30:31.872 INFO [stderr] warning: variant is never constructed: `BinaryOperator`
Dec 17 18:30:31.872 INFO [stderr]   --> src/core/node.rs:11:5
Dec 17 18:30:31.872 INFO [stderr]    |
Dec 17 18:30:31.872 INFO [stderr] 11 |     BinaryOperator
Dec 17 18:30:31.873 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 18:30:31.873 INFO [stderr] 
Dec 17 18:30:31.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.880 INFO [stderr]   --> src/core/token.rs:33:17
Dec 17 18:30:31.880 INFO [stderr]    |
Dec 17 18:30:31.880 INFO [stderr] 33 |                 parser.consume(Some(TokenKind::RightBracket));
Dec 17 18:30:31.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.880 INFO [stderr]    |
Dec 17 18:30:31.880 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:30:31.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.880 INFO [stderr] 
Dec 17 18:30:31.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.880 INFO [stderr]   --> src/core/token.rs:38:17
Dec 17 18:30:31.880 INFO [stderr]    |
Dec 17 18:30:31.880 INFO [stderr] 38 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:31.880 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.880 INFO [stderr]    |
Dec 17 18:30:31.880 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.880 INFO [stderr] 
Dec 17 18:30:31.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.881 INFO [stderr]   --> src/core/token.rs:84:17
Dec 17 18:30:31.881 INFO [stderr]    |
Dec 17 18:30:31.881 INFO [stderr] 84 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:31.881 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.881 INFO [stderr]    |
Dec 17 18:30:31.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.881 INFO [stderr] 
Dec 17 18:30:31.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.881 INFO [stderr]   --> src/core/parser.rs:26:9
Dec 17 18:30:31.881 INFO [stderr]    |
Dec 17 18:30:31.881 INFO [stderr] 26 |         parser.advance();
Dec 17 18:30:31.881 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.881 INFO [stderr]    |
Dec 17 18:30:31.881 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.881 INFO [stderr] 
Dec 17 18:30:31.920 INFO [stderr] warning: unused variable: `ast`
Dec 17 18:30:31.920 INFO [stderr]   --> src/main.rs:40:9
Dec 17 18:30:31.920 INFO [stderr]    |
Dec 17 18:30:31.920 INFO [stderr] 40 |     let ast = parser.parse()?;
Dec 17 18:30:31.920 INFO [stderr]    |         ^^^ help: consider using `_ast` instead
Dec 17 18:30:31.920 INFO [stderr]    |
Dec 17 18:30:31.920 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:30:31.920 INFO [stderr] 
Dec 17 18:30:31.946 INFO [stderr] warning: variant is never constructed: `Lambda`
Dec 17 18:30:31.946 INFO [stderr]  --> src/core/node.rs:3:5
Dec 17 18:30:31.946 INFO [stderr]   |
Dec 17 18:30:31.946 INFO [stderr] 3 |     Lambda,
Dec 17 18:30:31.946 INFO [stderr]   |     ^^^^^^
Dec 17 18:30:31.946 INFO [stderr]   |
Dec 17 18:30:31.946 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:30:31.946 INFO [stderr] 
Dec 17 18:30:31.946 INFO [stderr] warning: variant is never constructed: `Value`
Dec 17 18:30:31.946 INFO [stderr]   --> src/core/node.rs:10:5
Dec 17 18:30:31.946 INFO [stderr]    |
Dec 17 18:30:31.946 INFO [stderr] 10 |     Value,
Dec 17 18:30:31.946 INFO [stderr]    |     ^^^^^
Dec 17 18:30:31.946 INFO [stderr] 
Dec 17 18:30:31.946 INFO [stderr] warning: variant is never constructed: `BinaryOperator`
Dec 17 18:30:31.946 INFO [stderr]   --> src/core/node.rs:11:5
Dec 17 18:30:31.946 INFO [stderr]    |
Dec 17 18:30:31.946 INFO [stderr] 11 |     BinaryOperator
Dec 17 18:30:31.946 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 18:30:31.946 INFO [stderr] 
Dec 17 18:30:31.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.956 INFO [stderr]   --> src/core/token.rs:33:17
Dec 17 18:30:31.956 INFO [stderr]    |
Dec 17 18:30:31.956 INFO [stderr] 33 |                 parser.consume(Some(TokenKind::RightBracket));
Dec 17 18:30:31.956 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.956 INFO [stderr]    |
Dec 17 18:30:31.956 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:30:31.956 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.956 INFO [stderr] 
Dec 17 18:30:31.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.956 INFO [stderr]   --> src/core/token.rs:38:17
Dec 17 18:30:31.956 INFO [stderr]    |
Dec 17 18:30:31.956 INFO [stderr] 38 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:31.956 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.956 INFO [stderr]    |
Dec 17 18:30:31.956 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.956 INFO [stderr] 
Dec 17 18:30:31.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.956 INFO [stderr]   --> src/core/token.rs:84:17
Dec 17 18:30:31.957 INFO [stderr]    |
Dec 17 18:30:31.957 INFO [stderr] 84 |                 parser.consume(Some(TokenKind::RightParenthesis));
Dec 17 18:30:31.957 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.957 INFO [stderr]    |
Dec 17 18:30:31.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.957 INFO [stderr] 
Dec 17 18:30:31.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:30:31.957 INFO [stderr]   --> src/core/parser.rs:26:9
Dec 17 18:30:31.957 INFO [stderr]    |
Dec 17 18:30:31.957 INFO [stderr] 26 |         parser.advance();
Dec 17 18:30:31.957 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 17 18:30:31.957 INFO [stderr]    |
Dec 17 18:30:31.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:30:31.957 INFO [stderr] 
Dec 17 18:30:32.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
Dec 17 18:30:32.500 INFO running `"docker" "inspect" "35875b9df2596a292314ea121155fa34cf9517903b499c3893759a6f05aa3d50"`
Dec 17 18:30:32.764 INFO running `"docker" "rm" "-f" "35875b9df2596a292314ea121155fa34cf9517903b499c3893759a6f05aa3d50"`
Dec 17 18:30:32.985 INFO [stdout] 35875b9df2596a292314ea121155fa34cf9517903b499c3893759a6f05aa3d50