[INFO] fetching crate rust_study0 0.1.1...
[INFO] testing rust_study0-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust_study0 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rust_study0 0.1.1
[INFO] finished tweaking crates.io crate rust_study0 0.1.1
[INFO] tweaked toml for crates.io crate rust_study0 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_study0 0.1.1 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 rust_study0 0.1.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f84be9c3e8a02535f458de1f44ccdd88a4c0a58dd144b67992ebad1d2336324e
[INFO] running `Command { std: "docker" "start" "-a" "f84be9c3e8a02535f458de1f44ccdd88a4c0a58dd144b67992ebad1d2336324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f84be9c3e8a02535f458de1f44ccdd88a4c0a58dd144b67992ebad1d2336324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84be9c3e8a02535f458de1f44ccdd88a4c0a58dd144b67992ebad1d2336324e", kill_on_drop: false }`
[INFO] [stdout] f84be9c3e8a02535f458de1f44ccdd88a4c0a58dd144b67992ebad1d2336324e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0af74480e242848780a7573820999ace146534add242bd3da7efbf08f1b7d9b4
[INFO] running `Command { std: "docker" "start" "-a" "0af74480e242848780a7573820999ace146534add242bd3da7efbf08f1b7d9b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rust_study0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stdout]     |            ------- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     struct Device {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 352 |         addr: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "0af74480e242848780a7573820999ace146534add242bd3da7efbf08f1b7d9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af74480e242848780a7573820999ace146534add242bd3da7efbf08f1b7d9b4", kill_on_drop: false }`
[INFO] [stdout] 0af74480e242848780a7573820999ace146534add242bd3da7efbf08f1b7d9b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e4a44467fd54cefcc6e263fd27d640f988f9ce54c7fa71880a61aca72b7912d2
[INFO] running `Command { std: "docker" "start" "-a" "e4a44467fd54cefcc6e263fd27d640f988f9ce54c7fa71880a61aca72b7912d2", kill_on_drop: false }`
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_study0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stdout]     |            ------- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     struct Device {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 352 |         addr: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stdout]     |            ------- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     struct Device {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 352 |         addr: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e4a44467fd54cefcc6e263fd27d640f988f9ce54c7fa71880a61aca72b7912d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a44467fd54cefcc6e263fd27d640f988f9ce54c7fa71880a61aca72b7912d2", kill_on_drop: false }`
[INFO] [stdout] e4a44467fd54cefcc6e263fd27d640f988f9ce54c7fa71880a61aca72b7912d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5e91a61ff90ddd49895bf18fb6194f18323f8637f7c0273c49d1f0f89b5e03bb
[INFO] running `Command { std: "docker" "start" "-a" "5e91a61ff90ddd49895bf18fb6194f18323f8637f7c0273c49d1f0f89b5e03bb", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]    --> src/lib.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |     struct Color(i32, i32, i32);
[INFO] [stderr]     |            ----- ^^^  ^^^  ^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            fields in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing these fields
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]    --> src/lib.rs:207:20
[INFO] [stderr]     |
[INFO] [stderr] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stderr]     |            ------- ^^^  ^^^  ^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            fields in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: field `addr` is never read
[INFO] [stderr]    --> src/lib.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |     struct Device {
[INFO] [stderr]     |            ------ field in this struct
[INFO] [stderr] 352 |         addr: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_study0` (lib) generated 3 warnings
[INFO] [stderr] warning: `rust_study0` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_study0-125ede8fc7db8e6a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::multi_results_with_iterator ... ok
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] test tests::multi_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study0-77e95b8045c8b116)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rust_study0
[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 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" "5e91a61ff90ddd49895bf18fb6194f18323f8637f7c0273c49d1f0f89b5e03bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e91a61ff90ddd49895bf18fb6194f18323f8637f7c0273c49d1f0f89b5e03bb", kill_on_drop: false }`
[INFO] [stdout] 5e91a61ff90ddd49895bf18fb6194f18323f8637f7c0273c49d1f0f89b5e03bb