[INFO] cloning repository https://github.com/randolphcyg/rust_cargo_hello [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randolphcyg/rust_cargo_hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e71b86a1ee50264fd03f54b674d0f218a8e1633 [INFO] checking randolphcyg/rust_cargo_hello against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trace v0.1.7 [INFO] [stderr] Downloaded uuid-macro-internal v1.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e356043cdb2991b907bc6bc3c28f82123c5ac9acbcfa4ad8955bb6d8703ae664 [INFO] running `Command { std: "docker" "start" "-a" "e356043cdb2991b907bc6bc3c28f82123c5ac9acbcfa4ad8955bb6d8703ae664", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e356043cdb2991b907bc6bc3c28f82123c5ac9acbcfa4ad8955bb6d8703ae664", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e356043cdb2991b907bc6bc3c28f82123c5ac9acbcfa4ad8955bb6d8703ae664", kill_on_drop: false }` [INFO] [stdout] e356043cdb2991b907bc6bc3c28f82123c5ac9acbcfa4ad8955bb6d8703ae664 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d589b4192407dace0ff76034171f0a37adadaf2ff002b0c70709fb267112878 [INFO] running `Command { std: "docker" "start" "-a" "2d589b4192407dace0ff76034171f0a37adadaf2ff002b0c70709fb267112878", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling uuid-macro-internal v1.4.1 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Compiling trace v0.1.7 [INFO] [stderr] Checking rust_cargo_hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/loop_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/loop_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/enumeration.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let x = Operations::Add; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/match_test.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 302 | if let Foo2::Bar = a { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/primitives.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let a_float: f64 = 1.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_inter` [INFO] [stdout] --> src/primitives.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let an_inter = 5i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/primitives.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/primitives.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/primitives.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/enumeration.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let x = Operations::Add; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> src/func.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn foo() -> ! { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/rand_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/match_test.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 302 | if let Foo2::Bar = a { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/primitives.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let a_float: f64 = 1.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_inter` [INFO] [stdout] --> src/primitives.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let an_inter = 5i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/primitives.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/primitives.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/primitives.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> src/func.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn foo() -> ! { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/rand_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.83s [INFO] running `Command { std: "docker" "inspect" "2d589b4192407dace0ff76034171f0a37adadaf2ff002b0c70709fb267112878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d589b4192407dace0ff76034171f0a37adadaf2ff002b0c70709fb267112878", kill_on_drop: false }` [INFO] [stdout] 2d589b4192407dace0ff76034171f0a37adadaf2ff002b0c70709fb267112878 [INFO] checking randolphcyg/rust_cargo_hello against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandolphcyg%2Frust_cargo_hello" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/randolphcyg/rust_cargo_hello on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] finished tweaking git repo https://github.com/randolphcyg/rust_cargo_hello [INFO] tweaked toml for git repo https://github.com/randolphcyg/rust_cargo_hello written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/randolphcyg/rust_cargo_hello 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a43a1d62e6f57b77d3ca8a68a98a34581f4c424ce54409122da5341445ea0a1a [INFO] running `Command { std: "docker" "start" "-a" "a43a1d62e6f57b77d3ca8a68a98a34581f4c424ce54409122da5341445ea0a1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a43a1d62e6f57b77d3ca8a68a98a34581f4c424ce54409122da5341445ea0a1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a43a1d62e6f57b77d3ca8a68a98a34581f4c424ce54409122da5341445ea0a1a", kill_on_drop: false }` [INFO] [stdout] a43a1d62e6f57b77d3ca8a68a98a34581f4c424ce54409122da5341445ea0a1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47bc8d15efda01cec1ac4c39d2f672532b5f9f2b7abc8ea684e3e7bab3481139 [INFO] running `Command { std: "docker" "start" "-a" "47bc8d15efda01cec1ac4c39d2f672532b5f9f2b7abc8ea684e3e7bab3481139", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: dependencies.uuid.uuid [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling uuid-macro-internal v1.4.1 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Compiling trace v0.1.7 [INFO] [stderr] Checking rust_cargo_hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/loop_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/loop_test.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/enumeration.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let x = Operations::Add; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/enumeration.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let x = Operations::Add; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/match_test.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 302 | if let Foo2::Bar = a { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/primitives.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let a_float: f64 = 1.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_inter` [INFO] [stdout] --> src/primitives.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let an_inter = 5i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/primitives.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/primitives.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/primitives.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/match_test.rs:302:8 [INFO] [stdout] | [INFO] [stdout] 302 | if let Foo2::Bar = a { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/primitives.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let a_float: f64 = 1.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_inter` [INFO] [stdout] --> src/primitives.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let an_inter = 5i32; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_inter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/primitives.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/primitives.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/primitives.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> src/func.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn foo() -> ! { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/rand_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/linked_list_enum.rs:18:20 [INFO] [stdout] | [INFO] [stdout] 17 | fn prepend(self, elem: u32) -> List { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | Cons(elem, Box::new(self)) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> src/func.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn foo() -> ! { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/rand_test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/linked_list_enum.rs:18:20 [INFO] [stdout] | [INFO] [stdout] 17 | fn prepend(self, elem: u32) -> List { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | Cons(elem, Box::new(self)) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_cargo_hello` (bin "rust_cargo_hello" test) due to 2 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust_cargo_hello` (bin "rust_cargo_hello") due to 2 previous errors; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "47bc8d15efda01cec1ac4c39d2f672532b5f9f2b7abc8ea684e3e7bab3481139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47bc8d15efda01cec1ac4c39d2f672532b5f9f2b7abc8ea684e3e7bab3481139", kill_on_drop: false }` [INFO] [stdout] 47bc8d15efda01cec1ac4c39d2f672532b5f9f2b7abc8ea684e3e7bab3481139