[INFO] fetching crate remeta 1.2.0...
[INFO] testing remeta-1.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate remeta 1.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate remeta 1.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate remeta 1.2.0
[INFO] tweaked toml for crates.io crate remeta 1.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate remeta 1.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate remeta 1.2.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ae88e978ccd2edf01d4ef0445494ba12fc33a3b155bfbc77b92dc2049adc720
[INFO] running `Command { std: "docker" "start" "-a" "2ae88e978ccd2edf01d4ef0445494ba12fc33a3b155bfbc77b92dc2049adc720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ae88e978ccd2edf01d4ef0445494ba12fc33a3b155bfbc77b92dc2049adc720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae88e978ccd2edf01d4ef0445494ba12fc33a3b155bfbc77b92dc2049adc720", kill_on_drop: false }`
[INFO] [stdout] 2ae88e978ccd2edf01d4ef0445494ba12fc33a3b155bfbc77b92dc2049adc720
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c33fba036e4d5b28a11c9543dde3922b4280c633b10f85f1d71ef4da6fee8f19
[INFO] running `Command { std: "docker" "start" "-a" "c33fba036e4d5b28a11c9543dde3922b4280c633b10f85f1d71ef4da6fee8f19", kill_on_drop: false }`
[INFO] [stderr]    Compiling remeta v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "c33fba036e4d5b28a11c9543dde3922b4280c633b10f85f1d71ef4da6fee8f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33fba036e4d5b28a11c9543dde3922b4280c633b10f85f1d71ef4da6fee8f19", kill_on_drop: false }`
[INFO] [stdout] c33fba036e4d5b28a11c9543dde3922b4280c633b10f85f1d71ef4da6fee8f19
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e169c9da71eaf24b4b84f10d5f9abef59b382723eff9911da69b74c76fb3ad5d
[INFO] running `Command { std: "docker" "start" "-a" "e169c9da71eaf24b4b84f10d5f9abef59b382723eff9911da69b74c76fb3ad5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling remeta v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `utils`
[INFO] [stdout]  --> tests/test_metadata.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::{collect_music_files, is_roman_alphabet, SCANFILE_PATH};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `utils`, use `cargo add utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> tests/test_metadata.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::RandomInt;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]  --> tests/test_metadata.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]   --> tests/test_metadata.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/test_metadata.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let scan_data = serde_json::Value::Array(final_entries);
[INFO] [stdout]     |                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> tests/test_metadata.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     use std::fs::File;
[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: `std::io::Result`
[INFO] [stdout]   --> tests/test_metadata.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use std::io::Result;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/test_metadata.rs:146:44
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let expected_json: serde_json::Value = serde_json::from_str(
[INFO] [stdout]     |                                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/test_metadata.rs:158:23
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let data_string = serde_json::to_string_pretty(&scan_data).expect("Failed to turn to string");
[INFO] [stdout]     |                       ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> tests/test_metadata.rs:64:45
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let entries = Arc::new(Mutex::new(Vec::<serde_json::Value>::new()));
[INFO] [stdout]    |                                             ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]    --> tests/test_metadata.rs:146:24
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let expected_json: serde_json::Value = serde_json::from_str(
[INFO] [stdout]     |                        ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `remeta` (test "test_metadata") due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e169c9da71eaf24b4b84f10d5f9abef59b382723eff9911da69b74c76fb3ad5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e169c9da71eaf24b4b84f10d5f9abef59b382723eff9911da69b74c76fb3ad5d", kill_on_drop: false }`
[INFO] [stdout] e169c9da71eaf24b4b84f10d5f9abef59b382723eff9911da69b74c76fb3ad5d
