[INFO] cloning repository https://github.com/xkillx/belajar-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xkillx/belajar-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxkillx%2Fbelajar-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxkillx%2Fbelajar-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efd81789319eb54e08f1d43268c81ee63d2e26e1 [INFO] testing xkillx/belajar-rust against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxkillx%2Fbelajar-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/xkillx/belajar-rust [INFO] finished tweaking git repo https://github.com/xkillx/belajar-rust [INFO] tweaked toml for git repo https://github.com/xkillx/belajar-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/xkillx/belajar-rust on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/xkillx/belajar-rust 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4d8e6bc05d7368a5785e1f10659560307aa5221af03cfea1cd702204b76f046 [INFO] running `Command { std: "docker" "start" "-a" "b4d8e6bc05d7368a5785e1f10659560307aa5221af03cfea1cd702204b76f046", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4d8e6bc05d7368a5785e1f10659560307aa5221af03cfea1cd702204b76f046", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4d8e6bc05d7368a5785e1f10659560307aa5221af03cfea1cd702204b76f046", kill_on_drop: false }` [INFO] [stdout] b4d8e6bc05d7368a5785e1f10659560307aa5221af03cfea1cd702204b76f046 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bf600033dab27f3433213a837bb808e4f1ec84357503a34a791c74de82722c1 [INFO] running `Command { std: "docker" "start" "-a" "3bf600033dab27f3433213a837bb808e4f1ec84357503a34a791c74de82722c1", kill_on_drop: false }` [INFO] [stderr] Compiling belajar-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/04-debug-print.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | struct Structure(i32); [INFO] [stdout] | --------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/04-debug-print.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | struct Deep(Structure); [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Deep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/bin/11-tupples.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | struct Matrix(f32, f32, f32, f32); [INFO] [stdout] | ------ ^^^ ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logical` [INFO] [stdout] --> src/bin/09-primitive-type.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let logical: bool = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/bin/09-primitive-type.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let a_float: f64 = 1.0; // Regular annotation [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_integer` [INFO] [stdout] --> src/bin/09-primitive-type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let an_integer = 5i32; // Suffix annotation [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default_float` [INFO] [stdout] --> src/bin/09-primitive-type.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let default_float = 3.0; // `f64` [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default_integer` [INFO] [stdout] --> src/bin/09-primitive-type.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let default_integer = 7; // `i32` [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/bin/09-primitive-type.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut inferred_type = 12; // Type i64 is inferred from another line. [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/bin/09-primitive-type.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | inferred_type = 4294967296i64; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/bin/09-primitive-type.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | 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/bin/09-primitive-type.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/bin/09-primitive-type.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | 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: `my_array` [INFO] [stdout] --> src/bin/09-primitive-type.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let my_array: [i32; 5] = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_tuple` [INFO] [stdout] --> src/bin/09-primitive-type.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let my_tuple = (5u32, 1u8, true, -5.04f32); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_tuple` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/bin/05-debug-pretty.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | age: u8 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read [INFO] [stdout] --> src/bin/08-print-struct.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 33 | red: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 34 | green: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 35 | blue: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "3bf600033dab27f3433213a837bb808e4f1ec84357503a34a791c74de82722c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bf600033dab27f3433213a837bb808e4f1ec84357503a34a791c74de82722c1", kill_on_drop: false }` [INFO] [stdout] 3bf600033dab27f3433213a837bb808e4f1ec84357503a34a791c74de82722c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dbd41e55eb739faa3663ac9930b17c7304a62a9570626a09d021b52050ebe18 [INFO] running `Command { std: "docker" "start" "-a" "0dbd41e55eb739faa3663ac9930b17c7304a62a9570626a09d021b52050ebe18", kill_on_drop: false }` [INFO] [stderr] Compiling belajar-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/04-debug-print.rs:4:18 [INFO] [stdout] | [INFO] [stdout] 4 | struct Structure(i32); [INFO] [stdout] | --------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/04-debug-print.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | struct Deep(Structure); [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Deep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/bin/05-debug-pretty.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | age: u8 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/bin/11-tupples.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | struct Matrix(f32, f32, f32, f32); [INFO] [stdout] | ------ ^^^ ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logical` [INFO] [stdout] --> src/bin/09-primitive-type.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let logical: bool = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/bin/09-primitive-type.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let a_float: f64 = 1.0; // Regular annotation [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_integer` [INFO] [stdout] --> src/bin/09-primitive-type.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let an_integer = 5i32; // Suffix annotation [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default_float` [INFO] [stdout] --> src/bin/09-primitive-type.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let default_float = 3.0; // `f64` [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default_integer` [INFO] [stdout] --> src/bin/09-primitive-type.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let default_integer = 7; // `i32` [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/bin/09-primitive-type.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut inferred_type = 12; // Type i64 is inferred from another line. [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/bin/09-primitive-type.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | inferred_type = 4294967296i64; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/bin/09-primitive-type.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | 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/bin/09-primitive-type.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/bin/09-primitive-type.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | 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: `my_array` [INFO] [stdout] --> src/bin/09-primitive-type.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let my_array: [i32; 5] = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_tuple` [INFO] [stdout] --> src/bin/09-primitive-type.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let my_tuple = (5u32, 1u8, true, -5.04f32); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_tuple` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read [INFO] [stdout] --> src/bin/08-print-struct.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 33 | red: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 34 | green: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 35 | blue: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "0dbd41e55eb739faa3663ac9930b17c7304a62a9570626a09d021b52050ebe18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dbd41e55eb739faa3663ac9930b17c7304a62a9570626a09d021b52050ebe18", kill_on_drop: false }` [INFO] [stdout] 0dbd41e55eb739faa3663ac9930b17c7304a62a9570626a09d021b52050ebe18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d70b9488b25f13ef19810bf6521066c9ddbe4da6abb58dd29a8a9aa5cdd77c1d [INFO] running `Command { std: "docker" "start" "-a" "d70b9488b25f13ef19810bf6521066c9ddbe4da6abb58dd29a8a9aa5cdd77c1d", kill_on_drop: false }` [INFO] [stderr] warning: fields `red`, `green`, and `blue` are never read [INFO] [stderr] --> src/bin/08-print-struct.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 32 | struct Color { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 33 | red: u8, [INFO] [stderr] | ^^^ [INFO] [stderr] 34 | green: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 35 | blue: u8, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `belajar-rust` (bin "08-print-struct" test) generated 1 warning [INFO] [stderr] warning: unused variable: `logical` [INFO] [stderr] --> src/bin/09-primitive-type.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let logical: bool = true; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a_float` [INFO] [stderr] --> src/bin/09-primitive-type.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let a_float: f64 = 1.0; // Regular annotation [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `an_integer` [INFO] [stderr] --> src/bin/09-primitive-type.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let an_integer = 5i32; // Suffix annotation [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_float` [INFO] [stderr] --> src/bin/09-primitive-type.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let default_float = 3.0; // `f64` [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_integer` [INFO] [stderr] --> src/bin/09-primitive-type.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let default_integer = 7; // `i32` [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_integer` [INFO] [stderr] [INFO] [stderr] warning: variable `inferred_type` is assigned to, but never used [INFO] [stderr] --> src/bin/09-primitive-type.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut inferred_type = 12; // Type i64 is inferred from another line. [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_inferred_type` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `inferred_type` is never read [INFO] [stderr] --> src/bin/09-primitive-type.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | inferred_type = 4294967296i64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> src/bin/09-primitive-type.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | let mut mutable = 12; // Mutable `i32` [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> src/bin/09-primitive-type.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | mutable = 21; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutable` [INFO] [stderr] --> src/bin/09-primitive-type.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mutable = true; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_array` [INFO] [stderr] --> src/bin/09-primitive-type.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let my_array: [i32; 5] = [1, 2, 3, 4, 5]; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_array` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_tuple` [INFO] [stderr] --> src/bin/09-primitive-type.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let my_tuple = (5u32, 1u8, true, -5.04f32); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_tuple` [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/04-debug-print.rs:4:18 [INFO] [stderr] | [INFO] [stderr] 4 | struct Structure(i32); [INFO] [stderr] | --------- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/04-debug-print.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | struct Deep(Structure); [INFO] [stderr] | ---- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `Deep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stderr] --> src/bin/11-tupples.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | struct Matrix(f32, f32, f32, f32); [INFO] [stderr] | ------ ^^^ ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing these fields [INFO] [stderr] = note: `Matrix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `belajar-rust` (bin "09-primitive-type" test) generated 12 warnings [INFO] [stderr] warning: `belajar-rust` (bin "04-debug-print" test) generated 2 warnings [INFO] [stderr] warning: `belajar-rust` (bin "11-tupples" test) generated 1 warning [INFO] [stderr] warning: fields `name` and `age` are never read [INFO] [stderr] --> src/bin/05-debug-pretty.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 2 | struct Person<'a> { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 3 | name: &'a str, [INFO] [stderr] | ^^^^ [INFO] [stderr] 4 | age: u8 [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `belajar-rust` (bin "05-debug-pretty" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/bin/01-hello-world.rs (/opt/rustwide/target/debug/deps/01_hello_world-0d2d2870b582af17) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/02-comments.rs (/opt/rustwide/target/debug/deps/02_comments-9a4c79595d038100) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/03-formatted-print.rs (/opt/rustwide/target/debug/deps/03_formatted_print-8bd7c29d80095908) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/04-debug-print.rs (/opt/rustwide/target/debug/deps/04_debug_print-9650f6e714357223) [INFO] [stderr] Running unittests src/bin/05-debug-pretty.rs (/opt/rustwide/target/debug/deps/05_debug_pretty-e5afb4e4d6f9ce89) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/06-print-display.rs (/opt/rustwide/target/debug/deps/06_print_display-7b364fef4a7374db) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/07-print-list.rs (/opt/rustwide/target/debug/deps/07_print_list-0dd847464597de6f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/08-print-struct.rs (/opt/rustwide/target/debug/deps/08_print_struct-1563c33c944917e8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/09-primitive-type.rs (/opt/rustwide/target/debug/deps/09_primitive_type-9be2e274fa91e70f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/10-literals-operator.rs (/opt/rustwide/target/debug/deps/10_literals_operator-fbd0cd94a569d229) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/11-tupples.rs (/opt/rustwide/target/debug/deps/11_tupples-c1c7d09daaaaef96) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Running unittests src/bin/12-arrays-slices.rs (/opt/rustwide/target/debug/deps/12_arrays_slices-97881ff295f1e4ad) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d70b9488b25f13ef19810bf6521066c9ddbe4da6abb58dd29a8a9aa5cdd77c1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d70b9488b25f13ef19810bf6521066c9ddbe4da6abb58dd29a8a9aa5cdd77c1d", kill_on_drop: false }` [INFO] [stdout] d70b9488b25f13ef19810bf6521066c9ddbe4da6abb58dd29a8a9aa5cdd77c1d