[INFO] fetching crate tinygrad 0.1.0... [INFO] testing tinygrad-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate tinygrad 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate tinygrad 0.1.0 [INFO] finished tweaking crates.io crate tinygrad 0.1.0 [INFO] tweaked toml for crates.io crate tinygrad 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tinygrad 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.16.1) [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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f16f8bda24decf51afc97124a07d7869c83f43f5469caf390172fbb126962f7e [INFO] running `Command { std: "docker" "start" "-a" "f16f8bda24decf51afc97124a07d7869c83f43f5469caf390172fbb126962f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f16f8bda24decf51afc97124a07d7869c83f43f5469caf390172fbb126962f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16f8bda24decf51afc97124a07d7869c83f43f5469caf390172fbb126962f7e", kill_on_drop: false }` [INFO] [stdout] f16f8bda24decf51afc97124a07d7869c83f43f5469caf390172fbb126962f7e [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53bf08a9e818f1bc428881dfec05999cedef825ba6870f0bf242a51570d0a001 [INFO] running `Command { std: "docker" "start" "-a" "53bf08a9e818f1bc428881dfec05999cedef825ba6870f0bf242a51570d0a001", kill_on_drop: false }` [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling tinygrad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Dot` is never constructed [INFO] [stdout] --> src/lib.rs:231:8 [INFO] [stdout] | [INFO] [stdout] 231 | struct Dot; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Sum` is never constructed [INFO] [stdout] --> src/lib.rs:234:8 [INFO] [stdout] | [INFO] [stdout] 234 | struct Sum; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:93:18 [INFO] [stdout] | [INFO] [stdout] 93 | fn get_value(&self) -> ArrayView1; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 93 | fn get_value(&self) -> ArrayView1<'_, f64>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:186:18 [INFO] [stdout] | [INFO] [stdout] 186 | fn get_value(&self) -> ArrayView1 { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 186 | fn get_value(&self) -> ArrayView1<'_, f64> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s [INFO] running `Command { std: "docker" "inspect" "53bf08a9e818f1bc428881dfec05999cedef825ba6870f0bf242a51570d0a001", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53bf08a9e818f1bc428881dfec05999cedef825ba6870f0bf242a51570d0a001", kill_on_drop: false }` [INFO] [stdout] 53bf08a9e818f1bc428881dfec05999cedef825ba6870f0bf242a51570d0a001 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f058fe9569e8418281467a4b43b749824dee524f30c09a5a57ed6ec7562be61 [INFO] running `Command { std: "docker" "start" "-a" "5f058fe9569e8418281467a4b43b749824dee524f30c09a5a57ed6ec7562be61", kill_on_drop: false }` [INFO] [stderr] Compiling tinygrad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Dot` is never constructed [INFO] [stdout] --> src/lib.rs:231:8 [INFO] [stdout] | [INFO] [stdout] 231 | struct Dot; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Sum` is never constructed [INFO] [stdout] --> src/lib.rs:234:8 [INFO] [stdout] | [INFO] [stdout] 234 | struct Sum; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:93:18 [INFO] [stdout] | [INFO] [stdout] 93 | fn get_value(&self) -> ArrayView1; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 93 | fn get_value(&self) -> ArrayView1<'_, f64>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:186:18 [INFO] [stdout] | [INFO] [stdout] 186 | fn get_value(&self) -> ArrayView1 { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 186 | fn get_value(&self) -> ArrayView1<'_, f64> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "5f058fe9569e8418281467a4b43b749824dee524f30c09a5a57ed6ec7562be61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f058fe9569e8418281467a4b43b749824dee524f30c09a5a57ed6ec7562be61", kill_on_drop: false }` [INFO] [stdout] 5f058fe9569e8418281467a4b43b749824dee524f30c09a5a57ed6ec7562be61 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d2f644404b9c0054d5a94a9b8299b53e1d3767994a8da0d5763ac02497b240a3 [INFO] running `Command { std: "docker" "start" "-a" "d2f644404b9c0054d5a94a9b8299b53e1d3767994a8da0d5763ac02497b240a3", kill_on_drop: false }` [INFO] [stderr] warning: struct `Dot` is never constructed [INFO] [stderr] --> src/lib.rs:231:8 [INFO] [stderr] | [INFO] [stderr] 231 | struct Dot; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Sum` is never constructed [INFO] [stderr] --> src/lib.rs:234:8 [INFO] [stderr] | [INFO] [stderr] 234 | struct Sum; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:93:18 [INFO] [stderr] | [INFO] [stderr] 93 | fn get_value(&self) -> ArrayView1; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 93 | fn get_value(&self) -> ArrayView1<'_, f64>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:186:18 [INFO] [stderr] | [INFO] [stderr] 186 | fn get_value(&self) -> ArrayView1 { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 186 | fn get_value(&self) -> ArrayView1<'_, f64> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `tinygrad` (lib test) generated 4 warnings (run `cargo fix --lib -p tinygrad --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinygrad-9841c799239731b2) [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" "d2f644404b9c0054d5a94a9b8299b53e1d3767994a8da0d5763ac02497b240a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2f644404b9c0054d5a94a9b8299b53e1d3767994a8da0d5763ac02497b240a3", kill_on_drop: false }` [INFO] [stdout] d2f644404b9c0054d5a94a9b8299b53e1d3767994a8da0d5763ac02497b240a3