[INFO] cloning repository https://github.com/nokernelspace/knob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nokernelspace/knob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokernelspace%2Fknob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokernelspace%2Fknob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3303ef17855f3dd871a2a35d0f23ae78ad77cbaf
[INFO] testing nokernelspace/knob against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokernelspace%2Fknob" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nokernelspace/knob
[INFO] finished tweaking git repo https://github.com/nokernelspace/knob
[INFO] tweaked toml for git repo https://github.com/nokernelspace/knob written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nokernelspace/knob on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nokernelspace/knob 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0e1bd433a9e5d77feb26f0371d1105b4a1aaca9a8f81bfa894b7bffa9c0562e
[INFO] running `Command { std: "docker" "start" "-a" "b0e1bd433a9e5d77feb26f0371d1105b4a1aaca9a8f81bfa894b7bffa9c0562e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e1bd433a9e5d77feb26f0371d1105b4a1aaca9a8f81bfa894b7bffa9c0562e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e1bd433a9e5d77feb26f0371d1105b4a1aaca9a8f81bfa894b7bffa9c0562e", kill_on_drop: false }`
[INFO] [stdout] b0e1bd433a9e5d77feb26f0371d1105b4a1aaca9a8f81bfa894b7bffa9c0562e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e13a552af5a3344d2cf3ae82e96cb073e92c8a83a7d6747f1c7afa32bf242e
[INFO] running `Command { std: "docker" "start" "-a" "d2e13a552af5a3344d2cf3ae82e96cb073e92c8a83a7d6747f1c7afa32bf242e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling clap v4.5.31
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling knob v0.9.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/buildsteps.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[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 import: `toml::Value`
[INFO] [stdout]  --> src/compileutils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::*`
[INFO] [stdout]  --> src/procutils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/procutils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Component` and `Path`
[INFO] [stdout]  --> src/procutils.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Component, Path, PathBuf};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::*`
[INFO] [stdout]  --> src/procutils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/types.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buildsteps.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut compiler_args =
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/compileutils.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |                         .fold(Vec::new(), |mut acc, (x, y)| {
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/compileutils.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         .fold(Vec::new(), |mut acc, (x, y)| {
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/procutils.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Ok(status) => return true,
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/procutils.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Err(e) => return false,
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/procutils.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let code = output.status.code().unwrap();
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut includes_args: Vec<String> = includes
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut isys_args = includes.iter().fold(Vec::new(), |mut a, i| {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let mut args =
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `platform`
[INFO] [stdout]   --> src/main.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let (dirs, platform, shared, targets) = parse_toml(&*toml);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirs`
[INFO] [stdout]   --> src/main.rs:91:22
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `platform`
[INFO] [stdout]   --> src/main.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/main.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stdout]    |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sources`
[INFO] [stdout]    --> src/main.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let sources = find_sources(&dirs.sources);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/main.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     let src = PathBuf::from(&command.file);
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.86s
[INFO] running `Command { std: "docker" "inspect" "d2e13a552af5a3344d2cf3ae82e96cb073e92c8a83a7d6747f1c7afa32bf242e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e13a552af5a3344d2cf3ae82e96cb073e92c8a83a7d6747f1c7afa32bf242e", kill_on_drop: false }`
[INFO] [stdout] d2e13a552af5a3344d2cf3ae82e96cb073e92c8a83a7d6747f1c7afa32bf242e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc6e8460278a7424e22e87af1c4c4db29e65e491b75a4c44ed2f25ab4cbaf8e
[INFO] running `Command { std: "docker" "start" "-a" "6bc6e8460278a7424e22e87af1c4c4db29e65e491b75a4c44ed2f25ab4cbaf8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling knob v0.9.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/buildsteps.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::{Path, PathBuf};
[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 import: `toml::Value`
[INFO] [stdout]  --> src/compileutils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::*`
[INFO] [stdout]  --> src/procutils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts`
[INFO] [stdout]  --> src/procutils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::env::consts;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Component` and `Path`
[INFO] [stdout]  --> src/procutils.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{Component, Path, PathBuf};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::*`
[INFO] [stdout]  --> src/procutils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/types.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/buildsteps.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut compiler_args =
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/compileutils.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |                         .fold(Vec::new(), |mut acc, (x, y)| {
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/compileutils.rs:38:54
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         .fold(Vec::new(), |mut acc, (x, y)| {
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/procutils.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Ok(status) => return true,
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/procutils.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Err(e) => return false,
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/procutils.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let code = output.status.code().unwrap();
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut includes_args: Vec<String> = includes
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut isys_args = includes.iter().fold(Vec::new(), |mut a, i| {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let mut args =
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `platform`
[INFO] [stdout]   --> src/main.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let (dirs, platform, shared, targets) = parse_toml(&*toml);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirs`
[INFO] [stdout]   --> src/main.rs:91:22
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `platform`
[INFO] [stdout]   --> src/main.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stdout]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/main.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stdout]    |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sources`
[INFO] [stdout]    --> src/main.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let sources = find_sources(&dirs.sources);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/main.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     let src = PathBuf::from(&command.file);
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6bc6e8460278a7424e22e87af1c4c4db29e65e491b75a4c44ed2f25ab4cbaf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc6e8460278a7424e22e87af1c4c4db29e65e491b75a4c44ed2f25ab4cbaf8e", kill_on_drop: false }`
[INFO] [stdout] 6bc6e8460278a7424e22e87af1c4c4db29e65e491b75a4c44ed2f25ab4cbaf8e
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 167bef35a33266ec98a684a79b3e4448cd9b10ec77e1b29b39d4b0d70d15dc1f
[INFO] running `Command { std: "docker" "start" "-a" "167bef35a33266ec98a684a79b3e4448cd9b10ec77e1b29b39d4b0d70d15dc1f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/buildsteps.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `toml::Value`
[INFO] [stderr]  --> src/compileutils.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use toml::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::*`
[INFO] [stderr]  --> src/procutils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::types::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::consts`
[INFO] [stderr]  --> src/procutils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::env::consts;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Component` and `Path`
[INFO] [stderr]  --> src/procutils.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::{Component, Path, PathBuf};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::*`
[INFO] [stderr]  --> src/procutils.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/types.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/buildsteps.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut compiler_args =
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/compileutils.rs:53:54
[INFO] [stderr]    |
[INFO] [stderr] 53 |                         .fold(Vec::new(), |mut acc, (x, y)| {
[INFO] [stderr]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/compileutils.rs:38:54
[INFO] [stderr]    |
[INFO] [stderr] 38 |                         .fold(Vec::new(), |mut acc, (x, y)| {
[INFO] [stderr]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]   --> src/procutils.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Ok(status) => return true,
[INFO] [stderr]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/procutils.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Err(e) => return false,
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/procutils.rs:55:21
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let code = output.status.code().unwrap();
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:115:21
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 let mut includes_args: Vec<String> = includes
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let mut isys_args = includes.iter().fold(Vec::new(), |mut a, i| {
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 let mut args =
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `platform`
[INFO] [stderr]   --> src/main.rs:48:28
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let (dirs, platform, shared, targets) = parse_toml(&*toml);
[INFO] [stderr]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dirs`
[INFO] [stderr]   --> src/main.rs:91:22
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_dirs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `platform`
[INFO] [stderr]   --> src/main.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stderr]    |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_platform`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/main.rs:96:46
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 let (dirs, platform, shared, target) = parse_toml(&*toml);
[INFO] [stderr]    |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sources`
[INFO] [stderr]    --> src/main.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 let sources = find_sources(&dirs.sources);
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sources`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]    --> src/main.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     let src = PathBuf::from(&command.file);
[INFO] [stderr]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: `knob` (bin "knob" test) generated 22 warnings (run `cargo fix --bin "knob" -p knob --tests` to apply 22 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/knob-531e6fee36321c2f)
[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" "167bef35a33266ec98a684a79b3e4448cd9b10ec77e1b29b39d4b0d70d15dc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167bef35a33266ec98a684a79b3e4448cd9b10ec77e1b29b39d4b0d70d15dc1f", kill_on_drop: false }`
[INFO] [stdout] 167bef35a33266ec98a684a79b3e4448cd9b10ec77e1b29b39d4b0d70d15dc1f
