[INFO] cloning repository https://github.com/puppynuff/Mocha [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puppynuff/Mocha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuppynuff%2FMocha", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuppynuff%2FMocha'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31537435d8dc96d7ca2fdbb29c77c31685428eb4 [INFO] checking puppynuff/Mocha 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%2Fpuppynuff%2FMocha" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/puppynuff/Mocha [INFO] finished tweaking git repo https://github.com/puppynuff/Mocha [INFO] tweaked toml for git repo https://github.com/puppynuff/Mocha written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/puppynuff/Mocha 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/puppynuff/Mocha 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0938058f1dd2672daf444d62b6a515d8148eda1dae3e57ddca4fdff8ae7e9324 [INFO] running `Command { std: "docker" "start" "-a" "0938058f1dd2672daf444d62b6a515d8148eda1dae3e57ddca4fdff8ae7e9324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0938058f1dd2672daf444d62b6a515d8148eda1dae3e57ddca4fdff8ae7e9324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0938058f1dd2672daf444d62b6a515d8148eda1dae3e57ddca4fdff8ae7e9324", kill_on_drop: false }` [INFO] [stdout] 0938058f1dd2672daf444d62b6a515d8148eda1dae3e57ddca4fdff8ae7e9324 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0bd8fe071504a199bc2da8a661e31526a68e30bbbdab54e5713bc4eed8c40758 [INFO] running `Command { std: "docker" "start" "-a" "0bd8fe071504a199bc2da8a661e31526a68e30bbbdab54e5713bc4eed8c40758", kill_on_drop: false }` [INFO] [stderr] Checking mocha v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::lexer::tokens::Literal` [INFO] [stdout] --> src/interpreter/interpreter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::tokens::Literal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bool_data` is never read [INFO] [stdout] --> src/lexer/tokens.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct Literal { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 72 | pub bool_data: Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `string_data`, `number_data`, and `bool_data` are never read [INFO] [stdout] --> src/parser/expr.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 96 | pub struct ExprLiteral { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 97 | pub string_data: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 98 | pub number_data: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 99 | pub bool_data: Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExprLiteral` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interpreter` is never constructed [INFO] [stdout] --> src/interpreter/interpreter.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Interpreter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer/scanner.rs:45:32 [INFO] [stdout] | [INFO] [stdout] 45 | return self.current >= self.source.len().try_into().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/scanner.rs:172:45 [INFO] [stdout] | [INFO] [stdout] 172 | let char = self.source.chars().nth(self.current.try_into().unwrap()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer/scanner.rs:201:36 [INFO] [stdout] | [INFO] [stdout] 201 | if self.source.chars().nth(self.current.try_into().unwrap()).unwrap() != expected_char { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mocha` (bin "mocha" test) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `crate::lexer::tokens::Literal` [INFO] [stdout] --> src/interpreter/interpreter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::tokens::Literal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bool_data` is never read [INFO] [stdout] --> src/lexer/tokens.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct Literal { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 72 | pub bool_data: Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `string_data`, `number_data`, and `bool_data` are never read [INFO] [stdout] --> src/parser/expr.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 96 | pub struct ExprLiteral { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 97 | pub string_data: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 98 | pub number_data: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 99 | pub bool_data: Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExprLiteral` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interpreter` is never constructed [INFO] [stdout] --> src/interpreter/interpreter.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Interpreter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer/scanner.rs:45:32 [INFO] [stdout] | [INFO] [stdout] 45 | return self.current >= self.source.len().try_into().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/scanner.rs:172:45 [INFO] [stdout] | [INFO] [stdout] 172 | let char = self.source.chars().nth(self.current.try_into().unwrap()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer/scanner.rs:201:36 [INFO] [stdout] | [INFO] [stdout] 201 | if self.source.chars().nth(self.current.try_into().unwrap()).unwrap() != expected_char { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mocha` (bin "mocha") due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0bd8fe071504a199bc2da8a661e31526a68e30bbbdab54e5713bc4eed8c40758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bd8fe071504a199bc2da8a661e31526a68e30bbbdab54e5713bc4eed8c40758", kill_on_drop: false }` [INFO] [stdout] 0bd8fe071504a199bc2da8a661e31526a68e30bbbdab54e5713bc4eed8c40758