[INFO] cloning repository https://github.com/mathiusj/calc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathiusj/calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiusj%2Fcalc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiusj%2Fcalc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 498bc6ad49cef9872416e56903eddb13f484cc42 [INFO] checking mathiusj/calc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiusj%2Fcalc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mathiusj/calc [INFO] finished tweaking git repo https://github.com/mathiusj/calc [INFO] tweaked toml for git repo https://github.com/mathiusj/calc written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mathiusj/calc on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mathiusj/calc 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30b750830212b7e6d4e1bba94087a05b67195e6eeeb703272fbf31a2d317a061 [INFO] running `Command { std: "docker" "start" "-a" "30b750830212b7e6d4e1bba94087a05b67195e6eeeb703272fbf31a2d317a061", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30b750830212b7e6d4e1bba94087a05b67195e6eeeb703272fbf31a2d317a061", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30b750830212b7e6d4e1bba94087a05b67195e6eeeb703272fbf31a2d317a061", kill_on_drop: false }` [INFO] [stdout] 30b750830212b7e6d4e1bba94087a05b67195e6eeeb703272fbf31a2d317a061 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31bd751a778d06d7f8f99899dd794d5d641b7c8225e8ff349aeea1f1090298fb [INFO] running `Command { std: "docker" "start" "-a" "31bd751a778d06d7f8f99899dd794d5d641b7c8225e8ff349aeea1f1090298fb", kill_on_drop: false }` [INFO] [stderr] Checking calc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 29 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 33 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 36 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | (_, _) => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 29 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 33 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 39 | (_, _) => { [INFO] [stdout] | ^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `callback` [INFO] [stdout] --> src/lib.rs:27:35 [INFO] [stdout] | [INFO] [stdout] 27 | fn popStack(mut stack: Vec, callback: Expr) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | (_, right) =>{ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/lib.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | (left, _) =>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 51 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 54 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 58 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | (_, _) => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 51 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 54 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 61 | (_, _) => { [INFO] [stdout] | ^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 69 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 72 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 76 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | (_, _) => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 69 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 72 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 79 | (_, _) => { [INFO] [stdout] | ^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 29 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 33 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 36 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | (_, _) => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 29 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 33 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 39 | (_, _) => { [INFO] [stdout] | ^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/lib.rs:54:25 [INFO] [stdout] | [INFO] [stdout] 54 | (_, right) =>{ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/lib.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | (left, _) =>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/lib.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | (_, right) =>{ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/lib.rs:76:22 [INFO] [stdout] | [INFO] [stdout] 76 | (left, _) =>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Expr` is never used [INFO] [stdout] --> src/lib.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `EvalError` is never used [INFO] [stdout] --> src/lib.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum EvalError { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eval` is never used [INFO] [stdout] --> src/lib.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn eval(expr: &Expr) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ParseError` is never used [INFO] [stdout] --> src/lib.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 23 | enum ParseError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `popStack` is never used [INFO] [stdout] --> src/lib.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn popStack(mut stack: Vec, callback: Expr) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/lib.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn parse(input: &str) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:14:48 [INFO] [stdout] | [INFO] [stdout] 14 | fn eval(expr: &Expr) -> Result { [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 15 | | match expr { [INFO] [stdout] 16 | | Expr::Number(x) => Ok(*x), [INFO] [stdout] 17 | | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] ... | [INFO] [stdout] 20 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / match expr { [INFO] [stdout] 16 | | Expr::Number(x) => Ok(*x), [INFO] [stdout] 17 | | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] 18 | | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | Expr::Number(x) => Ok(*x), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:17:52 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:52 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:52 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:40 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:18:43 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:43 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:43 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:18:57 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:57 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:57 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `popStack` should have a snake case name [INFO] [stdout] --> src/lib.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn popStack(mut stack: Vec, callback: Expr) { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `pop_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `callback` [INFO] [stdout] --> src/lib.rs:27:35 [INFO] [stdout] | [INFO] [stdout] 27 | fn popStack(mut stack: Vec, callback: Expr) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | (_, right) =>{ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/lib.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | (left, _) =>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 51 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 54 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 58 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | (_, _) => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 51 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 54 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 61 | (_, _) => { [INFO] [stdout] | ^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 69 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 72 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 76 | (left, _) =>{ [INFO] [stdout] | ^^^^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | (_, _) => { [INFO] [stdout] | ^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 69 | (Some(left), Some(right)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 72 | (_, right) =>{ [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 79 | (_, _) => { [INFO] [stdout] | ^^^^^^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/lib.rs:54:25 [INFO] [stdout] | [INFO] [stdout] 54 | (_, right) =>{ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/lib.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | (left, _) =>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/lib.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | (_, right) =>{ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/lib.rs:76:22 [INFO] [stdout] | [INFO] [stdout] 76 | (left, _) =>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `popStack` is never used [INFO] [stdout] --> src/lib.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn popStack(mut stack: Vec, callback: Expr) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:14:48 [INFO] [stdout] | [INFO] [stdout] 14 | fn eval(expr: &Expr) -> Result { [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 15 | | match expr { [INFO] [stdout] 16 | | Expr::Number(x) => Ok(*x), [INFO] [stdout] 17 | | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] ... | [INFO] [stdout] 20 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / match expr { [INFO] [stdout] 16 | | Expr::Number(x) => Ok(*x), [INFO] [stdout] 17 | | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] 18 | | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | Expr::Number(x) => Ok(*x), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:17:52 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:52 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:17:52 [INFO] [stdout] | [INFO] [stdout] 17 | Expr::Add(left, right) => Ok(eval(left)? + eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:40 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:18:43 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:43 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:43 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i64> [INFO] [stdout] --> src/lib.rs:18:57 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:57 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:18:57 [INFO] [stdout] | [INFO] [stdout] 18 | Expr::Subtract(left, right) => Ok(eval(left)? - eval(right)?), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `popStack` should have a snake case name [INFO] [stdout] --> src/lib.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn popStack(mut stack: Vec, callback: Expr) { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `pop_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:104:21 [INFO] [stdout] | [INFO] [stdout] 104 | let value = eval(&expr).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:114:21 [INFO] [stdout] | [INFO] [stdout] 114 | let value = eval(&expr).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | let value = eval(&expr).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:131:21 [INFO] [stdout] | [INFO] [stdout] 131 | let value = eval(&expr).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `calc` (lib) due to 17 previous errors; 20 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `calc` (lib test) due to 21 previous errors; 15 warnings emitted [INFO] running `Command { std: "docker" "inspect" "31bd751a778d06d7f8f99899dd794d5d641b7c8225e8ff349aeea1f1090298fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31bd751a778d06d7f8f99899dd794d5d641b7c8225e8ff349aeea1f1090298fb", kill_on_drop: false }` [INFO] [stdout] 31bd751a778d06d7f8f99899dd794d5d641b7c8225e8ff349aeea1f1090298fb