[INFO] cloning repository https://github.com/krautcat/audio-toolchain-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krautcat/audio-toolchain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrautcat%2Faudio-toolchain-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrautcat%2Faudio-toolchain-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47c308b351bed2f433bd2f227f624573a0c8b3cd
[INFO] testing krautcat/audio-toolchain-rs against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrautcat%2Faudio-toolchain-rs" "/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/krautcat/audio-toolchain-rs
[INFO] finished tweaking git repo https://github.com/krautcat/audio-toolchain-rs
[INFO] tweaked toml for git repo https://github.com/krautcat/audio-toolchain-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krautcat/audio-toolchain-rs 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 git repo https://github.com/krautcat/audio-toolchain-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded terminal_size v0.2.5
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded clap_derive v4.1.9
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded clap v4.1.11
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 237ef0ead4de11b19d236de92af19431797420539b65b7b6443141bd23b7ebd6
[INFO] running `Command { std: "docker" "start" "-a" "237ef0ead4de11b19d236de92af19431797420539b65b7b6443141bd23b7ebd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "237ef0ead4de11b19d236de92af19431797420539b65b7b6443141bd23b7ebd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237ef0ead4de11b19d236de92af19431797420539b65b7b6443141bd23b7ebd6", kill_on_drop: false }`
[INFO] [stdout] 237ef0ead4de11b19d236de92af19431797420539b65b7b6443141bd23b7ebd6
[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=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] 89a445e9586c9bbbc35a0b5f1f7222b35f673c11583ddb9c6ac847dd4bf52a63
[INFO] running `Command { std: "docker" "start" "-a" "89a445e9586c9bbbc35a0b5f1f7222b35f673c11583ddb9c6ac847dd4bf52a63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling bitflags v2.0.2
[INFO] [stderr]    Compiling clap_lex v0.3.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling is-terminal v0.4.5
[INFO] [stderr]    Compiling terminal_size v0.2.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.9
[INFO] [stderr]    Compiling clap v4.1.11
[INFO] [stderr]    Compiling krautcat-audio-toolchain v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{arg, Command, ArgMatches};
[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: `Arg`
[INFO] [stdout]  --> src/configuration.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{Arg, ArgMatches};
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]   --> src/configuration.rs:89:48
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         match self.subcommand_config {
[INFO] [stdout] 88 | |             ConfigurationSubcommand::Sort(o) => o.process_args(args),
[INFO] [stdout]    | |                                                 -------------------- this is found to be of type `&ConfigurationSort`
[INFO] [stdout] 89 | |             ConfigurationSubcommand::Tag(o) => o.process_args(args)
[INFO] [stdout]    | |                                                ^^^^^^^^^^^^^^^^^^^^ expected `&ConfigurationSort`, found `&ConfigurationTag`
[INFO] [stdout] 90 | |         }
[INFO] [stdout]    | |_________- `match` arms have incompatible types
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&ConfigurationSort`
[INFO] [stdout]               found reference `&ConfigurationTag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Configuration` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/main.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |     println!("{}", config)
[INFO] [stdout]    |               --   ^^^^^^ `Configuration` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `Configuration`
[INFO] [stdout]   --> src/configuration.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Configuration {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required for `&Configuration` to implement `std::fmt::Display`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `None` not covered
[INFO] [stdout]   --> src/configuration.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |         match args.subcommand() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^ pattern `None` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `Option<(&str, &ArgMatches)>` defined here
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:594:1
[INFO] [stdout]   ::: /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:598:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: not covered
[INFO] [stdout]    = note: the matched value is of type `Option<(&str, &ArgMatches)>`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 41 ~             },
[INFO] [stdout] 42 ~             None => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/configuration.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn process_args(&mut self, args: &ArgMatches) -> &Self {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/configuration.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn new(args: &ArgMatches) -> Self {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/configuration.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn process_args(&mut self, args: &ArgMatches) -> &Self {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `None` not covered
[INFO] [stdout]   --> src/configuration.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         match args.subcommand() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^ pattern `None` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `Option<(&str, &ArgMatches)>` defined here
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:594:1
[INFO] [stdout]   ::: /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:598:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: not covered
[INFO] [stdout]    = note: the matched value is of type `Option<(&str, &ArgMatches)>`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 82 ~             },
[INFO] [stdout] 83 ~             None => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0004, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krautcat-audio-toolchain` (bin "kat") due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "89a445e9586c9bbbc35a0b5f1f7222b35f673c11583ddb9c6ac847dd4bf52a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a445e9586c9bbbc35a0b5f1f7222b35f673c11583ddb9c6ac847dd4bf52a63", kill_on_drop: false }`
[INFO] [stdout] 89a445e9586c9bbbc35a0b5f1f7222b35f673c11583ddb9c6ac847dd4bf52a63