[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] building DragonFIghter603/formula_parser against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonFIghter603%2Fformula_parser" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DragonFIghter603/formula_parser on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-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-7-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe496c60693bdc6d878afbf3fe868d150108da3a526c9da3e043caa415635a0e
[INFO] running `Command { std: "docker" "start" "-a" "fe496c60693bdc6d878afbf3fe868d150108da3a526c9da3e043caa415635a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe496c60693bdc6d878afbf3fe868d150108da3a526c9da3e043caa415635a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe496c60693bdc6d878afbf3fe868d150108da3a526c9da3e043caa415635a0e", kill_on_drop: false }`
[INFO] [stdout] fe496c60693bdc6d878afbf3fe868d150108da3a526c9da3e043caa415635a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528b40067e2c501533540dc8eb7b7bf01edf0f426eeb5497463bffc09d3f1498
[INFO] running `Command { std: "docker" "start" "-a" "528b40067e2c501533540dc8eb7b7bf01edf0f426eeb5497463bffc09d3f1498", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "528b40067e2c501533540dc8eb7b7bf01edf0f426eeb5497463bffc09d3f1498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528b40067e2c501533540dc8eb7b7bf01edf0f426eeb5497463bffc09d3f1498", kill_on_drop: false }`
[INFO] [stdout] 528b40067e2c501533540dc8eb7b7bf01edf0f426eeb5497463bffc09d3f1498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d11a749c34411f5b9b39a4a79ff59bb46ec296b6ef63a3e326ef8b234c1e737d
[INFO] running `Command { std: "docker" "start" "-a" "d11a749c34411f5b9b39a4a79ff59bb46ec296b6ef63a3e326ef8b234c1e737d", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d11a749c34411f5b9b39a4a79ff59bb46ec296b6ef63a3e326ef8b234c1e737d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11a749c34411f5b9b39a4a79ff59bb46ec296b6ef63a3e326ef8b234c1e737d", kill_on_drop: false }`
[INFO] [stdout] d11a749c34411f5b9b39a4a79ff59bb46ec296b6ef63a3e326ef8b234c1e737d