[INFO] fetching crate transfer-data 0.1.0...
[INFO] testing transfer-data-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate transfer-data 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate transfer-data 0.1.0
[INFO] finished tweaking crates.io crate transfer-data 0.1.0
[INFO] tweaked toml for crates.io crate transfer-data 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate transfer-data 0.1.0 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 transfer-data 0.1.0 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-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 15a5fc5e08943388b585949c11a018eb03d2e8021ab24c01975f963ab0d1122a
[INFO] running `Command { std: "docker" "start" "-a" "15a5fc5e08943388b585949c11a018eb03d2e8021ab24c01975f963ab0d1122a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15a5fc5e08943388b585949c11a018eb03d2e8021ab24c01975f963ab0d1122a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a5fc5e08943388b585949c11a018eb03d2e8021ab24c01975f963ab0d1122a", kill_on_drop: false }`
[INFO] [stdout] 15a5fc5e08943388b585949c11a018eb03d2e8021ab24c01975f963ab0d1122a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c9583ad4ccc514b319589021c2ee02e078a1d75339d0e64a67fb90e153407e51
[INFO] running `Command { std: "docker" "start" "-a" "c9583ad4ccc514b319589021c2ee02e078a1d75339d0e64a67fb90e153407e51", kill_on_drop: false }`
[INFO] [stderr]    Compiling transfer-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `send_data` is never used
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn send_data(path: &str, data: &str) -> bool {
[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 `get_data` is never used
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn get_data(file_path: &str) -> Result<String, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c9583ad4ccc514b319589021c2ee02e078a1d75339d0e64a67fb90e153407e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9583ad4ccc514b319589021c2ee02e078a1d75339d0e64a67fb90e153407e51", kill_on_drop: false }`
[INFO] [stdout] c9583ad4ccc514b319589021c2ee02e078a1d75339d0e64a67fb90e153407e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9e20f8f591640b00c1a882bae0ac9b9faa84612d1c246eaa88c0bfa40c7c84b5
[INFO] running `Command { std: "docker" "start" "-a" "9e20f8f591640b00c1a882bae0ac9b9faa84612d1c246eaa88c0bfa40c7c84b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling transfer-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `send_data` is never used
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn send_data(path: &str, data: &str) -> bool {
[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 `get_data` is never used
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn get_data(file_path: &str) -> Result<String, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9e20f8f591640b00c1a882bae0ac9b9faa84612d1c246eaa88c0bfa40c7c84b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e20f8f591640b00c1a882bae0ac9b9faa84612d1c246eaa88c0bfa40c7c84b5", kill_on_drop: false }`
[INFO] [stdout] 9e20f8f591640b00c1a882bae0ac9b9faa84612d1c246eaa88c0bfa40c7c84b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be9a3e0785a2fd12b2bd9f5a72dd0911a7a0ae7dbf29f67f1e6d7c3153e35dc7
[INFO] running `Command { std: "docker" "start" "-a" "be9a3e0785a2fd12b2bd9f5a72dd0911a7a0ae7dbf29f67f1e6d7c3153e35dc7", kill_on_drop: false }`
[INFO] [stderr] warning: function `send_data` is never used
[INFO] [stderr]  --> src/main.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | async fn send_data(path: &str, data: &str) -> bool {
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_data` is never used
[INFO] [stderr]   --> src/main.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | async fn get_data(file_path: &str) -> Result<String, Error> {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `transfer-data` (bin "transfer-data" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/transfer_data-3e3b15751372c4c1)
[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" "be9a3e0785a2fd12b2bd9f5a72dd0911a7a0ae7dbf29f67f1e6d7c3153e35dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9a3e0785a2fd12b2bd9f5a72dd0911a7a0ae7dbf29f67f1e6d7c3153e35dc7", kill_on_drop: false }`
[INFO] [stdout] be9a3e0785a2fd12b2bd9f5a72dd0911a7a0ae7dbf29f67f1e6d7c3153e35dc7