[INFO] cloning repository https://github.com/herbstlang/herbst [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/herbstlang/herbst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherbstlang%2Fherbst", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherbstlang%2Fherbst'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ba0c07a4c55390c2402b83107c29ab0eab77fd0 [INFO] checking herbstlang/herbst against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherbstlang%2Fherbst" "/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/herbstlang/herbst [INFO] finished tweaking git repo https://github.com/herbstlang/herbst [INFO] tweaked toml for git repo https://github.com/herbstlang/herbst written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/herbstlang/herbst on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/herbstlang/herbst 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d46be4a09084ddba4a73c4acf0ce7daa35f64ef1602a2bae8466901cb7a3409 [INFO] running `Command { std: "docker" "start" "-a" "8d46be4a09084ddba4a73c4acf0ce7daa35f64ef1602a2bae8466901cb7a3409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d46be4a09084ddba4a73c4acf0ce7daa35f64ef1602a2bae8466901cb7a3409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d46be4a09084ddba4a73c4acf0ce7daa35f64ef1602a2bae8466901cb7a3409", kill_on_drop: false }` [INFO] [stdout] 8d46be4a09084ddba4a73c4acf0ce7daa35f64ef1602a2bae8466901cb7a3409 [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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9931d4bbe139e65a8a269ef2bdf16131305a15e94f233d589da4b88d643fbf75 [INFO] running `Command { std: "docker" "start" "-a" "9931d4bbe139e65a8a269ef2bdf16131305a15e94f233d589da4b88d643fbf75", kill_on_drop: false }` [INFO] [stderr] Checking herbst v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | for i in 0..45 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | for i in 0..45 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `LAngleBracket`, `RAngleBracket`, `Char`, `Equals`, and `Arrow` are never constructed [INFO] [stdout] --> src/frontend/token.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 7 | LAngleBracket, RAngleBracket, [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | Comma, Integer, Double, String, Char, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | Bang, BangEquals, Equals, PoundSign, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 12 | At, Arrow, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `lex_error` are never used [INFO] [stdout] --> src/frontend/lexer.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Lexer { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn lex_error(&mut self, message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op`, `children`, and `val` are never read [INFO] [stdout] --> src/frontend/ast.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | op: Op, [INFO] [stdout] | ^^ [INFO] [stdout] 4 | children: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | val: String [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `StrConcat` is never constructed [INFO] [stdout] --> src/frontend/ast.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 38 | pub enum Op { [INFO] [stdout] | -- variant in this enum [INFO] [stdout] 39 | Add, Sub, Mul, Div, [INFO] [stdout] 40 | Mod, StrConcat, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Op` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | for i in 0..45 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | for i in 0..45 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `LAngleBracket`, `RAngleBracket`, `Char`, `Equals`, and `Arrow` are never constructed [INFO] [stdout] --> src/frontend/token.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 7 | LAngleBracket, RAngleBracket, [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | Comma, Integer, Double, String, Char, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | Bang, BangEquals, Equals, PoundSign, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 12 | At, Arrow, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `lex_error` are never used [INFO] [stdout] --> src/frontend/lexer.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Lexer { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn lex_error(&mut self, message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op`, `children`, and `val` are never read [INFO] [stdout] --> src/frontend/ast.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | op: Op, [INFO] [stdout] | ^^ [INFO] [stdout] 4 | children: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | val: String [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `StrConcat` is never constructed [INFO] [stdout] --> src/frontend/ast.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 38 | pub enum Op { [INFO] [stdout] | -- variant in this enum [INFO] [stdout] 39 | Add, Sub, Mul, Div, [INFO] [stdout] 40 | Mod, StrConcat, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Op` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "9931d4bbe139e65a8a269ef2bdf16131305a15e94f233d589da4b88d643fbf75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9931d4bbe139e65a8a269ef2bdf16131305a15e94f233d589da4b88d643fbf75", kill_on_drop: false }` [INFO] [stdout] 9931d4bbe139e65a8a269ef2bdf16131305a15e94f233d589da4b88d643fbf75