[INFO] cloning repository https://github.com/codekidX/quen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codekidX/quen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcodekidX%2Fquen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcodekidX%2Fquen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11e9d5feff485b17e41173cadee08b233748828d [INFO] checking codekidX/quen against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcodekidX%2Fquen" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/codekidX/quen [INFO] finished tweaking git repo https://github.com/codekidX/quen [INFO] tweaked toml for git repo https://github.com/codekidX/quen written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/codekidX/quen on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/codekidX/quen 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cd3c26209f610c914e29f15108f616abfeb5ac0e6871d8a407a109d11db1c29 [INFO] running `Command { std: "docker" "start" "-a" "5cd3c26209f610c914e29f15108f616abfeb5ac0e6871d8a407a109d11db1c29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cd3c26209f610c914e29f15108f616abfeb5ac0e6871d8a407a109d11db1c29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cd3c26209f610c914e29f15108f616abfeb5ac0e6871d8a407a109d11db1c29", kill_on_drop: false }` [INFO] [stdout] 5cd3c26209f610c914e29f15108f616abfeb5ac0e6871d8a407a109d11db1c29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84de93fc4c0babe64f2d7dd408f66ace73e6a565fc0e430136a914203160369e [INFO] running `Command { std: "docker" "start" "-a" "84de93fc4c0babe64f2d7dd408f66ace73e6a565fc0e430136a914203160369e", kill_on_drop: false }` [INFO] [stderr] Checking quen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lexer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Token { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 5 | Comment, [INFO] [stdout] 6 | Return, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | Accessor, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 8 | Unknown, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | DefaultArg, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | Equals, [INFO] [stdout] 11 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Comma, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | LParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | RParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | LBrace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 16 | RBrace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 17 | LBoxBrace, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 18 | RBoxBrace, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 19 | ArrayExclusive, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 20 | ArrayInclusive, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 21 | [INFO] [stdout] 22 | In, [INFO] [stdout] | ^^ [INFO] [stdout] 23 | For, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | Is, [INFO] [stdout] | ^^ [INFO] [stdout] 25 | IsNot, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 26 | [INFO] [stdout] 27 | If, [INFO] [stdout] | ^^ [INFO] [stdout] 28 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] 29 | ElIf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 30 | IfNot, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 31 | [INFO] [stdout] 32 | TString, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | TTickString, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 36 | TickStringScope, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 37 | EnvVar, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 38 | TInt, [INFO] [stdout] | ^^^^ [INFO] [stdout] 39 | TFloat, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 40 | TAny, [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | [INFO] [stdout] 42 | KeySelf, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 43 | Var, [INFO] [stdout] | ^^^ [INFO] [stdout] 44 | [INFO] [stdout] 45 | TBool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 46 | False, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 47 | True, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_word` is never used [INFO] [stdout] --> src/lexer.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Token { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 60 | pub fn from_word(word: String) -> Token { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `meta` are never read [INFO] [stdout] --> src/lexer.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct TokenDef { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 112 | start: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 113 | end: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] 114 | token: Token, [INFO] [stdout] 115 | meta: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `token` is never used [INFO] [stdout] --> src/lexer.rs:125:12 [INFO] [stdout] | [INFO] [stdout] 124 | impl TokenDef { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 125 | pub fn token(&self) -> &Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_contents` is never used [INFO] [stdout] --> src/lexer.rs:147:12 [INFO] [stdout] | [INFO] [stdout] 141 | impl Lexer { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 147 | pub fn from_contents(contents: String) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/parser.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Parser { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 8 | pub fn new(tokens: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lexer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Token { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 5 | Comment, [INFO] [stdout] 6 | Return, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | Accessor, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 8 | Unknown, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | DefaultArg, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | Equals, [INFO] [stdout] 11 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Comma, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | LParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | RParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | LBrace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 16 | RBrace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 17 | LBoxBrace, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 18 | RBoxBrace, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 19 | ArrayExclusive, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 20 | ArrayInclusive, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 21 | [INFO] [stdout] 22 | In, [INFO] [stdout] | ^^ [INFO] [stdout] 23 | For, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | Is, [INFO] [stdout] | ^^ [INFO] [stdout] 25 | IsNot, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 26 | [INFO] [stdout] 27 | If, [INFO] [stdout] | ^^ [INFO] [stdout] 28 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] 29 | ElIf, [INFO] [stdout] | ^^^^ [INFO] [stdout] 30 | IfNot, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 31 | [INFO] [stdout] 32 | TString, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | TTickString, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 36 | TickStringScope, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 37 | EnvVar, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 38 | TInt, [INFO] [stdout] | ^^^^ [INFO] [stdout] 39 | TFloat, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 40 | TAny, [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | [INFO] [stdout] 42 | KeySelf, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 43 | Var, [INFO] [stdout] | ^^^ [INFO] [stdout] 44 | [INFO] [stdout] 45 | TBool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 46 | False, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 47 | True, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_word` is never used [INFO] [stdout] --> src/lexer.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Token { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 60 | pub fn from_word(word: String) -> Token { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `meta` are never read [INFO] [stdout] --> src/lexer.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct TokenDef { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 112 | start: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 113 | end: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] 114 | token: Token, [INFO] [stdout] 115 | meta: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/parser.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Parser { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 8 | pub fn new(tokens: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer.rs:233:21 [INFO] [stdout] | [INFO] [stdout] 233 | self.pos += u64::try_from(num).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer.rs:233:21 [INFO] [stdout] | [INFO] [stdout] 233 | self.pos += u64::try_from(num).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `quen` (bin "quen" test) due to 1 previous error; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `quen` (bin "quen") due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "84de93fc4c0babe64f2d7dd408f66ace73e6a565fc0e430136a914203160369e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84de93fc4c0babe64f2d7dd408f66ace73e6a565fc0e430136a914203160369e", kill_on_drop: false }` [INFO] [stdout] 84de93fc4c0babe64f2d7dd408f66ace73e6a565fc0e430136a914203160369e