[INFO] cloning repository https://github.com/hasanhaja/expression-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasanhaja/expression-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 263a2af51df33cb5ed9c3d03eb5f0a438c3be0ed [INFO] checking hasanhaja/expression-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fexpression-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hasanhaja/expression-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hasanhaja/expression-rs [INFO] finished tweaking git repo https://github.com/hasanhaja/expression-rs [INFO] tweaked toml for git repo https://github.com/hasanhaja/expression-rs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/hasanhaja/expression-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05e8043d37644e4aa7de97140dd481d7fd384747ce86a42c11d3d0cbb0668d60 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "05e8043d37644e4aa7de97140dd481d7fd384747ce86a42c11d3d0cbb0668d60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05e8043d37644e4aa7de97140dd481d7fd384747ce86a42c11d3d0cbb0668d60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05e8043d37644e4aa7de97140dd481d7fd384747ce86a42c11d3d0cbb0668d60", kill_on_drop: false }` [INFO] [stdout] 05e8043d37644e4aa7de97140dd481d7fd384747ce86a42c11d3d0cbb0668d60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ef16f9af024fcc74bf6052252204b963d7d867161b3ff44fabdcd8d56e3fda9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ef16f9af024fcc74bf6052252204b963d7d867161b3ff44fabdcd8d56e3fda9", kill_on_drop: false }` [INFO] [stderr] Checking expression-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 442 | / /// The tree is built to represent this: 1 + (2 * 3) + 4 [INFO] [stdout] 443 | | /// However, an alternative structure would be 1 + 4 + (2 * 3) [INFO] [stdout] 444 | | /// and the tree does not handle that [INFO] [stdout] | |_____________________________________________^ [INFO] [stdout] 445 | / let l_left = Expr { [INFO] [stdout] 446 | | value: Token::Value(1f64), [INFO] [stdout] 447 | | left: None, [INFO] [stdout] 448 | | right: None, [INFO] [stdout] 449 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resultant` [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | let op: Token; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last` [INFO] [stdout] --> src/main.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let last = polish_tokens.last().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:230:34 [INFO] [stdout] | [INFO] [stdout] 230 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:256:34 [INFO] [stdout] | [INFO] [stdout] 256 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resultant` [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultant` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/main.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | let op: Token; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last` [INFO] [stdout] --> src/main.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let last = polish_tokens.last().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_last` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:230:34 [INFO] [stdout] | [INFO] [stdout] 230 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:256:34 [INFO] [stdout] | [INFO] [stdout] 256 | Token::Value(num) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let mut tokens: Vec = chars.iter() [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | let mut tokens: Vec = chars.iter() [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut resultant: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_parens` [INFO] [stdout] --> src/main.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | fn insert_parens(tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_polish` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn into_polish(char_tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_operator` [INFO] [stdout] --> src/main.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 142 | fn is_operator(token: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `polish_to_expr` [INFO] [stdout] --> src/main.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn polish_to_expr(polish_tokens: Vec) -> Expr { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_expr` [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn build_expr(&self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval_expr` [INFO] [stdout] --> src/main.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | fn eval_expr(expr: Expr) -> f64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval` [INFO] [stdout] --> src/main.rs:289:8 [INFO] [stdout] | [INFO] [stdout] 289 | fn eval(&self) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:198:19 [INFO] [stdout] | [INFO] [stdout] 198 | Expr {value: value, left: Some(left_expr), right: Some(right_expr) } => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:225:19 [INFO] [stdout] | [INFO] [stdout] 225 | Expr {value: value, left: None, right: Some(right_expr)} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:252:19 [INFO] [stdout] | [INFO] [stdout] 252 | Expr {value: value, left: Some(left_expr), right: None} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert_parens` [INFO] [stdout] --> src/main.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | fn insert_parens(tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_polish` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn into_polish(char_tokens: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_operator` [INFO] [stdout] --> src/main.rs:142:8 [INFO] [stdout] | [INFO] [stdout] 142 | fn is_operator(token: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `polish_to_expr` [INFO] [stdout] --> src/main.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn polish_to_expr(polish_tokens: Vec) -> Expr { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_expr` [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | fn build_expr(&self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eval` [INFO] [stdout] --> src/main.rs:289:8 [INFO] [stdout] | [INFO] [stdout] 289 | fn eval(&self) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:198:19 [INFO] [stdout] | [INFO] [stdout] 198 | Expr {value: value, left: Some(left_expr), right: Some(right_expr) } => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:225:19 [INFO] [stdout] | [INFO] [stdout] 225 | Expr {value: value, left: None, right: Some(right_expr)} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `value:` in this pattern is redundant [INFO] [stdout] --> src/main.rs:252:19 [INFO] [stdout] | [INFO] [stdout] 252 | Expr {value: value, left: Some(left_expr), right: None} => { [INFO] [stdout] | ^^^^^^^^^^^^ help: use shorthand field pattern: `value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "6ef16f9af024fcc74bf6052252204b963d7d867161b3ff44fabdcd8d56e3fda9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ef16f9af024fcc74bf6052252204b963d7d867161b3ff44fabdcd8d56e3fda9", kill_on_drop: false }` [INFO] [stdout] 6ef16f9af024fcc74bf6052252204b963d7d867161b3ff44fabdcd8d56e3fda9