[INFO] cloning repository https://github.com/mrsekut/WritingAnInterpreterInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrsekut/WritingAnInterpreterInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsekut%2FWritingAnInterpreterInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsekut%2FWritingAnInterpreterInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47e33ce0c7bf8e097416023bee7b640f9dae80ea
[INFO] testing mrsekut/WritingAnInterpreterInRust against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsekut%2FWritingAnInterpreterInRust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrsekut/WritingAnInterpreterInRust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrsekut/WritingAnInterpreterInRust
[INFO] finished tweaking git repo https://github.com/mrsekut/WritingAnInterpreterInRust
[INFO] tweaked toml for git repo https://github.com/mrsekut/WritingAnInterpreterInRust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mrsekut/WritingAnInterpreterInRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4767d14fa9a59ca1a23cd92eaf563635bae18fdf2c160ad1e33f3c3339cf0da1
[INFO] running `Command { std: "docker" "start" "-a" "4767d14fa9a59ca1a23cd92eaf563635bae18fdf2c160ad1e33f3c3339cf0da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4767d14fa9a59ca1a23cd92eaf563635bae18fdf2c160ad1e33f3c3339cf0da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4767d14fa9a59ca1a23cd92eaf563635bae18fdf2c160ad1e33f3c3339cf0da1", kill_on_drop: false }`
[INFO] [stdout] 4767d14fa9a59ca1a23cd92eaf563635bae18fdf2c160ad1e33f3c3339cf0da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85b5d298ffd72cab7e81f36fd3c60936d7ee9ff9c3b5667925cd200820c9f6f3
[INFO] running `Command { std: "docker" "start" "-a" "85b5d298ffd72cab7e81f36fd3c60936d7ee9ff9c3b5667925cd200820c9f6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&_` not covered
[INFO] [stdout]   --> src/lexer/lexer.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 |         match &*self.ch {
[INFO] [stdout]    |               ^^^^^^^^^ pattern `&_` not covered
[INFO] [stdout]    |
[INFO] [stdout]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stdout]    = note: the matched value is of type `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:45:49
[INFO] [stdout]    |
[INFO] [stdout] 45 |             "=" => new_token(TokenType::ASSIGN, self.ch),
[INFO] [stdout]    |                                                 ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:46:52
[INFO] [stdout]    |
[INFO] [stdout] 46 |             ";" => new_token(TokenType::SEMICOLON, self.ch),
[INFO] [stdout]    |                                                    ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:47:49
[INFO] [stdout]    |
[INFO] [stdout] 47 |             "(" => new_token(TokenType::LPAREN, self.ch),
[INFO] [stdout]    |                                                 ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:48:49
[INFO] [stdout]    |
[INFO] [stdout] 48 |             ")" => new_token(TokenType::RPAREN, self.ch),
[INFO] [stdout]    |                                                 ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |             "," => new_token(TokenType::COMMA, self.ch),
[INFO] [stdout]    |                                                ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:50:47
[INFO] [stdout]    |
[INFO] [stdout] 50 |             "+" => new_token(TokenType::PLUS, self.ch),
[INFO] [stdout]    |                                               ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:51:49
[INFO] [stdout]    |
[INFO] [stdout] 51 |             "{" => new_token(TokenType::LBRACE, self.ch),
[INFO] [stdout]    |                                                 ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.ch` which is behind a shared reference
[INFO] [stdout]   --> src/lexer/lexer.rs:52:49
[INFO] [stdout]    |
[INFO] [stdout] 52 |             "}" => new_token(TokenType::RBRACE, self.ch),
[INFO] [stdout]    |                                                 ^^^^^^^ move occurs because `self.ch` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0381]: assign to part of possibly-uninitialized variable: `token`
[INFO] [stdout]   --> src/lexer/lexer.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 token.Type = TokenType::EOF;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of possibly-uninitialized `token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0381, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "85b5d298ffd72cab7e81f36fd3c60936d7ee9ff9c3b5667925cd200820c9f6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b5d298ffd72cab7e81f36fd3c60936d7ee9ff9c3b5667925cd200820c9f6f3", kill_on_drop: false }`
[INFO] [stdout] 85b5d298ffd72cab7e81f36fd3c60936d7ee9ff9c3b5667925cd200820c9f6f3
