[INFO] cloning repository https://github.com/PaulUJS/RainLang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulUJS/RainLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulUJS%2FRainLang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulUJS%2FRainLang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d885d49698c793792f173c390feec98a4bfc969 [INFO] checking PaulUJS/RainLang against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulUJS%2FRainLang" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PaulUJS/RainLang on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PaulUJS/RainLang [INFO] finished tweaking git repo https://github.com/PaulUJS/RainLang [INFO] tweaked toml for git repo https://github.com/PaulUJS/RainLang written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PaulUJS/RainLang 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0217e5adae8546d41d5ebdfe9bf07b156f94518f6cd35cdc485c8fb1ed105709 [INFO] running `Command { std: "docker" "start" "-a" "0217e5adae8546d41d5ebdfe9bf07b156f94518f6cd35cdc485c8fb1ed105709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0217e5adae8546d41d5ebdfe9bf07b156f94518f6cd35cdc485c8fb1ed105709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0217e5adae8546d41d5ebdfe9bf07b156f94518f6cd35cdc485c8fb1ed105709", kill_on_drop: false }` [INFO] [stdout] 0217e5adae8546d41d5ebdfe9bf07b156f94518f6cd35cdc485c8fb1ed105709 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44bca33932df7105f4cbb2e0bf50182fff96280fb02680e6f1f0538be17fffbe [INFO] running `Command { std: "docker" "start" "-a" "44bca33932df7105f4cbb2e0bf50182fff96280fb02680e6f1f0538be17fffbe", kill_on_drop: false }` [INFO] [stderr] Checking rain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::environment::*` [INFO] [stdout] --> src/parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::environment::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Environment` is imported redundantly [INFO] [stdout] --> src/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::environment::*; [INFO] [stdout] | --------------------- the item `Environment` is already imported here [INFO] [stdout] 9 | use crate::Environment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tokenizer::*` [INFO] [stdout] --> src/environment.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::tokenizer::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::LiteralVal::*` [INFO] [stdout] --> src/environment.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::LiteralVal::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::syntaxtree::*` [INFO] [stdout] --> src/environment.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::syntaxtree::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Expression` is imported redundantly [INFO] [stdout] --> src/environment.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::syntaxtree::*; [INFO] [stdout] | -------------------- the item `Expression` is already imported here [INFO] [stdout] 7 | use crate::Expression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::environment::*` [INFO] [stdout] --> src/parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::environment::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Environment` is imported redundantly [INFO] [stdout] --> src/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::environment::*; [INFO] [stdout] | --------------------- the item `Environment` is already imported here [INFO] [stdout] 9 | use crate::Environment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tokenizer::*` [INFO] [stdout] --> src/environment.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::tokenizer::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::LiteralVal::*` [INFO] [stdout] --> src/environment.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::LiteralVal::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::syntaxtree::*` [INFO] [stdout] --> src/environment.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::syntaxtree::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Expression` is imported redundantly [INFO] [stdout] --> src/environment.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::syntaxtree::*; [INFO] [stdout] | -------------------- the item `Expression` is already imported here [INFO] [stdout] 7 | use crate::Expression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/parser.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | result = Literal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/parser.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | result = Literal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/parser.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | result = Literal { value: NullVal }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fail` [INFO] [stdout] --> src/parser.rs:214:25 [INFO] [stdout] | [INFO] [stdout] 214 | Err(fail) => panic!("PANIC!"), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:208:21 [INFO] [stdout] | [INFO] [stdout] 208 | let mut new_name = self.previous(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `writing` is never read [INFO] [stdout] --> src/tokenizer.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct Tokenizer { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 79 | writing: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tokenizer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | read_file(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = read_file(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/parser.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | result = Literal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/parser.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | result = Literal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/parser.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | result = Literal { value: NullVal }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fail` [INFO] [stdout] --> src/parser.rs:214:25 [INFO] [stdout] | [INFO] [stdout] 214 | Err(fail) => panic!("PANIC!"), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:208:21 [INFO] [stdout] | [INFO] [stdout] 208 | let mut new_name = self.previous(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `writing` is never read [INFO] [stdout] --> src/tokenizer.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct Tokenizer { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 79 | writing: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tokenizer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | read_file(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = read_file(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "44bca33932df7105f4cbb2e0bf50182fff96280fb02680e6f1f0538be17fffbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44bca33932df7105f4cbb2e0bf50182fff96280fb02680e6f1f0538be17fffbe", kill_on_drop: false }` [INFO] [stdout] 44bca33932df7105f4cbb2e0bf50182fff96280fb02680e6f1f0538be17fffbe