[INFO] cloning repository https://github.com/DragonFIghter603/formula_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DragonFIghter603/formula_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonFIghter603%2Fformula_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonFIghter603%2Fformula_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ed1eedd847b9da0f95c78e5634fc3f35ea04612
[INFO] checking DragonFIghter603/formula_parser/3ed1eedd847b9da0f95c78e5634fc3f35ea04612 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonFIghter603%2Fformula_parser" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DragonFIghter603/formula_parser 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/DragonFIghter603/formula_parser
[INFO] finished tweaking git repo https://github.com/DragonFIghter603/formula_parser
[INFO] tweaked toml for git repo https://github.com/DragonFIghter603/formula_parser written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DragonFIghter603/formula_parser 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4977f8d8eb008b3d80b41a1fb19ce5591639298070389a7c318280e1bdc09d72
[INFO] running `Command { std: "docker" "start" "-a" "4977f8d8eb008b3d80b41a1fb19ce5591639298070389a7c318280e1bdc09d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4977f8d8eb008b3d80b41a1fb19ce5591639298070389a7c318280e1bdc09d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4977f8d8eb008b3d80b41a1fb19ce5591639298070389a7c318280e1bdc09d72", kill_on_drop: false }`
[INFO] [stdout] 4977f8d8eb008b3d80b41a1fb19ce5591639298070389a7c318280e1bdc09d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1df6910b935d1ca3591e2f2e8fb9c9ce710f97d8156123c4290837716e4f5c67
[INFO] running `Command { std: "docker" "start" "-a" "1df6910b935d1ca3591e2f2e8fb9c9ce710f97d8156123c4290837716e4f5c67", kill_on_drop: false }`
[INFO] [stderr]     Checking formula_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/parser.rs:166:48
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn parse_variable(input_iter: &mut ParserIter, start: &Lok) -> Expr{
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/parser.rs:166:48
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn parse_variable(input_iter: &mut ParserIter, start: &Lok) -> Expr{
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_vars` is never used
[INFO] [stdout]   --> src/expression.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 15 |     pub(crate) fn replace_vars(&self, vars: &HashMap<String, f32>) -> Self{
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parser.rs:113:28
[INFO] [stdout]     |
[INFO] [stdout] 113 |             original: input.clone().to_string(),
[INFO] [stdout]     |                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_vars` is never used
[INFO] [stdout]   --> src/expression.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Expr {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 15 |     pub(crate) fn replace_vars(&self, vars: &HashMap<String, f32>) -> Self{
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parser.rs:113:28
[INFO] [stdout]     |
[INFO] [stdout] 113 |             original: input.clone().to_string(),
[INFO] [stdout]     |                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "1df6910b935d1ca3591e2f2e8fb9c9ce710f97d8156123c4290837716e4f5c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df6910b935d1ca3591e2f2e8fb9c9ce710f97d8156123c4290837716e4f5c67", kill_on_drop: false }`
[INFO] [stdout] 1df6910b935d1ca3591e2f2e8fb9c9ce710f97d8156123c4290837716e4f5c67