[INFO] fetching crate minigrep5 0.1.2...
[INFO] testing minigrep5-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate minigrep5 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate minigrep5 0.1.2
[INFO] finished tweaking crates.io crate minigrep5 0.1.2
[INFO] tweaked toml for crates.io crate minigrep5 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep5 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep5 0.1.2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ad2dfc664c8ed72f2a0373684f67bf1a70108aafbd7523c4c4cec932f0103de
[INFO] running `Command { std: "docker" "start" "-a" "8ad2dfc664c8ed72f2a0373684f67bf1a70108aafbd7523c4c4cec932f0103de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad2dfc664c8ed72f2a0373684f67bf1a70108aafbd7523c4c4cec932f0103de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad2dfc664c8ed72f2a0373684f67bf1a70108aafbd7523c4c4cec932f0103de", kill_on_drop: false }`
[INFO] [stdout] 8ad2dfc664c8ed72f2a0373684f67bf1a70108aafbd7523c4c4cec932f0103de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 107bd466a97e5866265ae69caa417330ee39f828b2bdb428c0b6fef012ea68f4
[INFO] running `Command { std: "docker" "start" "-a" "107bd466a97e5866265ae69caa417330ee39f828b2bdb428c0b6fef012ea68f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep5 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> src/new/lib2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/new/sample.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stdout]   |                              ------- any code following this expression is unreachable
[INFO] [stdout] 3 |     let coefficients: [i64; 12];
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/new/lib2.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]  --> src/new/sample.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lol/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lol/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]    --> src/lib.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn some_func(arr: Vec<i32>) -> i32 {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStruct` is never constructed
[INFO] [stdout]   --> src/new/lib2.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct SomeStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some` is never used
[INFO] [stdout]   --> src/new/lib2.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn some() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/new/sample.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn some_func(arr: &Vec<i32>) -> i32 {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let some = minigrep::lol::lib::PrimaryColor::Red;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_some`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn old() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old2` is never used
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn old2() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "107bd466a97e5866265ae69caa417330ee39f828b2bdb428c0b6fef012ea68f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107bd466a97e5866265ae69caa417330ee39f828b2bdb428c0b6fef012ea68f4", kill_on_drop: false }`
[INFO] [stdout] 107bd466a97e5866265ae69caa417330ee39f828b2bdb428c0b6fef012ea68f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b18a751be427b2b7c7282e3d009d5d2a1218b39bc2ae6eef3f185f7f9ecf62ac
[INFO] running `Command { std: "docker" "start" "-a" "b18a751be427b2b7c7282e3d009d5d2a1218b39bc2ae6eef3f185f7f9ecf62ac", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> src/new/lib2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/new/sample.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stdout]   |                              ------- any code following this expression is unreachable
[INFO] [stdout] 3 |     let coefficients: [i64; 12];
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/new/lib2.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]  --> src/new/sample.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lol/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lol/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]    --> src/lib.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn some_func(arr: Vec<i32>) -> i32 {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStruct` is never constructed
[INFO] [stdout]   --> src/new/lib2.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct SomeStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some` is never used
[INFO] [stdout]   --> src/new/lib2.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn some() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/new/sample.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minigrep5 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn some_func(arr: &Vec<i32>) -> i32 {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let some = minigrep::lol::lib::PrimaryColor::Red;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_some`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn old() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old2` is never used
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn old2() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::Args`
[INFO] [stdout]  --> src/new/lib2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::Args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/new/sample.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stdout]   |                              ------- any code following this expression is unreachable
[INFO] [stdout] 3 |     let coefficients: [i64; 12];
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/new/lib2.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]  --> src/new/sample.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lol/lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lol/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arr`
[INFO] [stdout]    --> src/lib.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn some_func(arr: Vec<i32>) -> i32 {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStruct` is never constructed
[INFO] [stdout]   --> src/new/lib2.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct SomeStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some` is never used
[INFO] [stdout]   --> src/new/lib2.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn some() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/new/sample.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b18a751be427b2b7c7282e3d009d5d2a1218b39bc2ae6eef3f185f7f9ecf62ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b18a751be427b2b7c7282e3d009d5d2a1218b39bc2ae6eef3f185f7f9ecf62ac", kill_on_drop: false }`
[INFO] [stdout] b18a751be427b2b7c7282e3d009d5d2a1218b39bc2ae6eef3f185f7f9ecf62ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59fb6257c86009babef2756819059e27c09eb62da46277e5c31d5074586ff2ea
[INFO] running `Command { std: "docker" "start" "-a" "59fb6257c86009babef2756819059e27c09eb62da46277e5c31d5074586ff2ea", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env::Args`
[INFO] [stderr]  --> src/new/lib2.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::env::Args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]  --> src/new/sample.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stderr]   |                              ------- any code following this expression is unreachable
[INFO] [stderr] 3 |     let coefficients: [i64; 12];
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/new/lib2.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let config = Config::build(env::args()).unwrap_or_else(|err| {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]  --> src/new/sample.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let buffer: &mut [i32] = todo!();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lol/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lol/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]    --> src/lib.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn some_func(arr: Vec<i32>) -> i32 {
[INFO] [stderr]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SomeStruct` is never constructed
[INFO] [stderr]   --> src/new/lib2.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct SomeStruct;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `some` is never used
[INFO] [stderr]   --> src/new/lib2.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn some() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/new/sample.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep5` (lib) generated 10 warnings (run `cargo fix --lib -p minigrep5` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> src/main.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn some_func(arr: &Vec<i32>) -> i32 {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_arr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let some = minigrep::lol::lib::PrimaryColor::Red;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_some`
[INFO] [stderr] 
[INFO] [stderr] warning: function `old` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:5:4
[INFO] [stdout] running 4 tests
[INFO] [stderr]   |
[INFO] [stdout] test new::lib2::tests::case_sensitive ... ok
[INFO] [stderr] 5 | fn old() {
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stderr]   |    ^^^
[INFO] [stdout] test new::lib2::tests::case_insensitive ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: function `old2` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn old2() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep5` (bin "minigrep5" test) generated 5 warnings (run `cargo fix --bin "minigrep5" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `minigrep5` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep5-c2610d01bdbdbbb4)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep5-34669871c1030fea)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep5
[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 2 tests
[INFO] [stdout] test src/new/samop2.rs - new::samop2::add_one (line 4) ... FAILED
[INFO] [stdout] test src/lib.rs - Config (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/new/samop2.rs - new::samop2::add_one (line 4) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_crate`
[INFO] [stdout]  --> src/new/samop2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let answer = my_crate::add_one(arg);
[INFO] [stdout]   |              ^^^^^^^^ use of unresolved module or unlinked crate `my_crate`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `my_crate`, use `cargo add my_crate` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Config (line 18) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `minigrep`
[INFO] [stdout]  --> src/lib.rs:25:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | let config = minigrep::Config::build(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |              ^^^^^^^^ use of unresolved module or unlinked crate `minigrep`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 | let config = minigrep5::Config::build(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |                      +
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]   |
[INFO] [stdout] 2 + use minigrep5::Config;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use minigrep5::new::lib2::Config;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Config`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 9 - let config = minigrep::Config::build(&args).unwrap_or_else(|err| {
[INFO] [stdout] 9 + let config = Config::build(&args).unwrap_or_else(|err| {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `minigrep`
[INFO] [stdout]   --> src/lib.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | if let Err(e) = minigrep::run(config) {
[INFO] [stdout]    |                 ^^^^^^^^ use of unresolved module or unlinked crate `minigrep`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 13 | if let Err(e) = minigrep5::run(config) {
[INFO] [stdout]    |                         +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Config (line 18)
[INFO] [stdout]     src/new/samop2.rs - new::samop2::add_one (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "59fb6257c86009babef2756819059e27c09eb62da46277e5c31d5074586ff2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fb6257c86009babef2756819059e27c09eb62da46277e5c31d5074586ff2ea", kill_on_drop: false }`
[INFO] [stdout] 59fb6257c86009babef2756819059e27c09eb62da46277e5c31d5074586ff2ea