[INFO] cloning repository https://github.com/JordanllHarper/expression_parser_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JordanllHarper/expression_parser_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanllHarper%2Fexpression_parser_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanllHarper%2Fexpression_parser_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8f2479d7844b563a3a0c4f9b6e9555b4bba3276 [INFO] checking JordanllHarper/expression_parser_rust/f8f2479d7844b563a3a0c4f9b6e9555b4bba3276 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanllHarper%2Fexpression_parser_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JordanllHarper/expression_parser_rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JordanllHarper/expression_parser_rust [INFO] finished tweaking git repo https://github.com/JordanllHarper/expression_parser_rust [INFO] tweaked toml for git repo https://github.com/JordanllHarper/expression_parser_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JordanllHarper/expression_parser_rust 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a3061eda2d81abcb696032fd263d6aed9cec1eaf319ba9507ec8fa50d54488c [INFO] running `Command { std: "docker" "start" "-a" "9a3061eda2d81abcb696032fd263d6aed9cec1eaf319ba9507ec8fa50d54488c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a3061eda2d81abcb696032fd263d6aed9cec1eaf319ba9507ec8fa50d54488c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3061eda2d81abcb696032fd263d6aed9cec1eaf319ba9507ec8fa50d54488c", kill_on_drop: false }` [INFO] [stdout] 9a3061eda2d81abcb696032fd263d6aed9cec1eaf319ba9507ec8fa50d54488c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd1992cc6b7fce538efef9c3fe5254bfed2cf82a051e27ed5e26eb53f09a06e6 [INFO] running `Command { std: "docker" "start" "-a" "cd1992cc6b7fce538efef9c3fe5254bfed2cf82a051e27ed5e26eb53f09a06e6", kill_on_drop: false }` [INFO] [stderr] Checking expression_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `thread::current` [INFO] [stdout] --> src/lexer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, thread::current, usize}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread::current` [INFO] [stdout] --> src/lexer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, thread::current, usize}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/parser.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 56 | let n = match t { [INFO] [stdout] | _________________- [INFO] [stdout] 57 | | Token::IntegerNum(i) => todo!(), [INFO] [stdout] 58 | | Token::Operator(o) => todo!(), [INFO] [stdout] 59 | | Token::Paren(p) => todo!(), // ( [INFO] [stdout] 60 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 61 | (Some(n), index) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/parser.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 56 | let n = match t { [INFO] [stdout] | _________________- [INFO] [stdout] 57 | | Token::IntegerNum(i) => todo!(), [INFO] [stdout] 58 | | Token::Operator(o) => todo!(), [INFO] [stdout] 59 | | Token::Paren(p) => todo!(), // ( [INFO] [stdout] 60 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 61 | (Some(n), index) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/parser.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let n = match t { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/parser.rs:57:31 [INFO] [stdout] | [INFO] [stdout] 57 | Token::IntegerNum(i) => todo!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/parser.rs:58:29 [INFO] [stdout] | [INFO] [stdout] 58 | Token::Operator(o) => todo!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/parser.rs:59:26 [INFO] [stdout] | [INFO] [stdout] 59 | Token::Paren(p) => todo!(), // ( [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `previous_node` [INFO] [stdout] --> src/parser.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | previous_node: Option, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/parser.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let n = match t { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/parser.rs:57:31 [INFO] [stdout] | [INFO] [stdout] 57 | Token::IntegerNum(i) => todo!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/parser.rs:58:29 [INFO] [stdout] | [INFO] [stdout] 58 | Token::Operator(o) => todo!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/parser.rs:59:26 [INFO] [stdout] | [INFO] [stdout] 59 | Token::Paren(p) => todo!(), // ( [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `previous_node` [INFO] [stdout] --> src/parser.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | previous_node: Option, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Node` is more private than the item `parse` [INFO] [stdout] --> src/parser.rs:66:1 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn parse(tokens: Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Node` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/parser.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Node` is more private than the item `parse` [INFO] [stdout] --> src/parser.rs:66:1 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn parse(tokens: Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `parse` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Node` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/parser.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Node` is never used [INFO] [stdout] --> src/parser.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `map_option_value_in_box` is never used [INFO] [stdout] --> src/parser.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn map_option_value_in_box(source: Option) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `map_option_value_in_box` is never used [INFO] [stdout] --> src/parser.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn map_option_value_in_box(source: Option) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new_expression` and `new_some_value` are never used [INFO] [stdout] --> src/parser.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Node { [INFO] [stdout] | --------- associated functions in this implementation [INFO] [stdout] 18 | pub fn new_expression(operator: Operator, lhs: Option, rhs: Option) -> Node { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn new_some_value(i: i32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new_expression`, `new_some_value_boxed`, and `new_some_value` are never used [INFO] [stdout] --> src/parser.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Node { [INFO] [stdout] | --------- associated functions in this implementation [INFO] [stdout] 18 | pub fn new_expression(operator: Operator, lhs: Option, rhs: Option) -> Node { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn new_some_value_boxed(i: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn new_some_value(i: i32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `recursive_parse` is never used [INFO] [stdout] --> src/parser.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn recursive_parse( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/parser.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn parse(tokens: Vec) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "cd1992cc6b7fce538efef9c3fe5254bfed2cf82a051e27ed5e26eb53f09a06e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd1992cc6b7fce538efef9c3fe5254bfed2cf82a051e27ed5e26eb53f09a06e6", kill_on_drop: false }` [INFO] [stdout] cd1992cc6b7fce538efef9c3fe5254bfed2cf82a051e27ed5e26eb53f09a06e6