[INFO] cloning repository https://github.com/hangbale/metal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hangbale/metal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhangbale%2Fmetal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhangbale%2Fmetal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a7e42fc908b6a806cafad374538d771a1a4a983
[INFO] testing hangbale/metal against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhangbale%2Fmetal" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hangbale/metal
[INFO] finished tweaking git repo https://github.com/hangbale/metal
[INFO] tweaked toml for git repo https://github.com/hangbale/metal written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hangbale/metal on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hangbale/metal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab
[INFO] running `Command { std: "docker" "start" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling metal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `FALSE_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     FALSE_LITERAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FalseLiteral`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TRUE_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     TRUE_LITERAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TrueLiteral`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NULL_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     NULL_LITERAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NullLiteral`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UNDEFINED_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     UNDEFINED_LITERAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `UndefinedLiteral`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NUMERIC_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     NUMERIC_LITERAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NumericLiteral`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STRING_LITERAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     STRING_LITERAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StringLiteral`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NUMERIC_LITERAL_BINARY` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     NUMERIC_LITERAL_BINARY,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NumericLiteralBinary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NUMERIC_LITERAL_OCTAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     NUMERIC_LITERAL_OCTAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NumericLiteralOctal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NUMERIC_LITERAL_DECIMAL` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     NUMERIC_LITERAL_DECIMAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NumericLiteralDecimal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NUMERIC_LITERAL_HEX` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     NUMERIC_LITERAL_HEX,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NumericLiteralHex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQ_STRICT` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     EQ_STRICT, // ===
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `EqStrict`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NE_STRICT` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     NE_STRICT, // !==
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `NeStrict`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser/mod.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn parse_unary(&mut self) -> Result<Expression, error::ParseError> {
[INFO] [stdout]    |        -----------               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Expression, ParseError>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lexer/token.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |     char::try_from(s).map_err(|e| LexerError::InvalidUnicodeSequence)
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stp`
[INFO] [stdout]   --> src/parser/mod.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |             TokenMatcher::Single(stp) => {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_stp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/parser/mod.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut lexer_ins = lexer::lexer::Lexer::new(&content);
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metal` (bin "metal") due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab", kill_on_drop: false }`
[INFO] [stdout] dac7ac436462c352062fb56c273cd53ada716b272911a19fadd48e5421df7aab
