[INFO] cloning repository https://github.com/Jett59/equation-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jett59/equation-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fequation-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fequation-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3d258521b0071c78f75a8d0c1dd56eb2d24504c [INFO] checking Jett59/equation-solver/c3d258521b0071c78f75a8d0c1dd56eb2d24504c against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fequation-solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jett59/equation-solver on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jett59/equation-solver [INFO] finished tweaking git repo https://github.com/Jett59/equation-solver [INFO] tweaked toml for git repo https://github.com/Jett59/equation-solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jett59/equation-solver 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37301bd6510f4187087c2160f331ff7f1de5fdd638bbfffe05dc3548e81d6ef9 [INFO] running `Command { std: "docker" "start" "-a" "37301bd6510f4187087c2160f331ff7f1de5fdd638bbfffe05dc3548e81d6ef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37301bd6510f4187087c2160f331ff7f1de5fdd638bbfffe05dc3548e81d6ef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37301bd6510f4187087c2160f331ff7f1de5fdd638bbfffe05dc3548e81d6ef9", kill_on_drop: false }` [INFO] [stdout] 37301bd6510f4187087c2160f331ff7f1de5fdd638bbfffe05dc3548e81d6ef9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ef47a999c2823c4dc4e22e9db72347d6505e21a2447596cfa43eab9e151c412 [INFO] running `Command { std: "docker" "start" "-a" "3ef47a999c2823c4dc4e22e9db72347d6505e21a2447596cfa43eab9e151c412", kill_on_drop: false }` [INFO] [stderr] Checking equation-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `values` [INFO] [stdout] --> src/solver.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | Value::Sum(values) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base` [INFO] [stdout] --> src/solver.rs:55:24 [INFO] [stdout] | [INFO] [stdout] 55 | Value::Log(base, argument) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_base` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argument` [INFO] [stdout] --> src/solver.rs:55:30 [INFO] [stdout] | [INFO] [stdout] 55 | Value::Log(base, argument) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_argument` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/solver.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | Value::Variable(variable) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Pi` is never constructed [INFO] [stdout] --> src/operation.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub enum Value { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 76 | Pi, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/operation.rs:164:12 [INFO] [stdout] | [INFO] [stdout] 97 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 164 | pub fn is_sum(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 168 | pub fn is_multiplication(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | pub fn is_power(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | pub fn is_log(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | pub fn is_scalar(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 188 | pub fn is_e(&self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | pub fn is_pi(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `values` [INFO] [stdout] --> src/solver.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | Value::Sum(values) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base` [INFO] [stdout] --> src/solver.rs:55:24 [INFO] [stdout] | [INFO] [stdout] 55 | Value::Log(base, argument) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_base` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argument` [INFO] [stdout] --> src/solver.rs:55:30 [INFO] [stdout] | [INFO] [stdout] 55 | Value::Log(base, argument) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_argument` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/solver.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | Value::Variable(variable) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Pi` is never constructed [INFO] [stdout] --> src/operation.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub enum Value { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 76 | Pi, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/operation.rs:164:12 [INFO] [stdout] | [INFO] [stdout] 97 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 164 | pub fn is_sum(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 168 | pub fn is_multiplication(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | pub fn is_power(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | pub fn is_log(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | pub fn is_scalar(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 188 | pub fn is_e(&self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | pub fn is_pi(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "3ef47a999c2823c4dc4e22e9db72347d6505e21a2447596cfa43eab9e151c412", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ef47a999c2823c4dc4e22e9db72347d6505e21a2447596cfa43eab9e151c412", kill_on_drop: false }` [INFO] [stdout] 3ef47a999c2823c4dc4e22e9db72347d6505e21a2447596cfa43eab9e151c412