[INFO] fetching crate autograd 1.1.0... [INFO] checking autograd-1.1.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate autograd 1.1.0 into /workspace/builds/worker-118/source [INFO] validating manifest of crates.io crate autograd 1.1.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate autograd 1.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate autograd 1.1.0 [INFO] tweaked toml for crates.io crate autograd 1.1.0 written to /workspace/builds/worker-118/source/Cargo.toml [INFO] crate crates.io crate autograd 1.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 intel-mkl-src v0.2.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1bba47ab65a234efaaf029846cb6877af6d412cb16783c134fec63b50fb5acd [INFO] running `Command { std: "docker" "start" "-a" "f1bba47ab65a234efaaf029846cb6877af6d412cb16783c134fec63b50fb5acd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1bba47ab65a234efaaf029846cb6877af6d412cb16783c134fec63b50fb5acd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1bba47ab65a234efaaf029846cb6877af6d412cb16783c134fec63b50fb5acd", kill_on_drop: false }` [INFO] [stdout] f1bba47ab65a234efaaf029846cb6877af6d412cb16783c134fec63b50fb5acd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f54ae596ceda3684546d30d1575751c6a476210eabd52585b69f531009607dc [INFO] running `Command { std: "docker" "start" "-a" "7f54ae596ceda3684546d30d1575751c6a476210eabd52585b69f531009607dc", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.6.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.0 [INFO] [stderr] Checking rand_distr v0.4.0 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking autograd v1.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/gradient.rs (1 fix) [INFO] [stdout] warning: function is never used: `expand_dims_view` [INFO] [stdout] --> src/ndarray_ext.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | pub(crate) fn expand_dims_view(x: NdArrayView, axis: usize) -> NdArrayView { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `broadcast_if_necessary` [INFO] [stdout] --> src/ops/binary_ops.rs:296:4 [INFO] [stdout] | [INFO] [stdout] 296 | fn broadcast_if_necessary<'g, T: Float>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating tests/test_tensor_ops_eval.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/test_array_gen.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/test_binary_ops_eval.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/lstm_lm.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/test_binary_ops_grad.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/test_core.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/mlp_mnist.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/mnist_data.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/cnn_mnist.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/test_tensor_ops_grad.rs from 2018 edition to 2021 [INFO] [stdout] warning: function is never used: `expand_dims_view` [INFO] [stdout] --> src/ndarray_ext.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | pub(crate) fn expand_dims_view(x: NdArrayView, axis: usize) -> NdArrayView { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `broadcast_if_necessary` [INFO] [stdout] --> src/ops/binary_ops.rs:296:4 [INFO] [stdout] | [INFO] [stdout] 296 | fn broadcast_if_necessary<'g, T: Float>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.52s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking autograd v1.1.0 (/tmp/fixit) [INFO] [stdout] warning: function is never used: `expand_dims_view` [INFO] [stdout] --> src/ndarray_ext.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | pub(crate) fn expand_dims_view(x: NdArrayView, axis: usize) -> NdArrayView { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `broadcast_if_necessary` [INFO] [stdout] --> src/ops/binary_ops.rs:296:4 [INFO] [stdout] | [INFO] [stdout] 296 | fn broadcast_if_necessary<'g, T: Float>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `expand_dims_view` [INFO] [stdout] --> src/ndarray_ext.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | pub(crate) fn expand_dims_view(x: NdArrayView, axis: usize) -> NdArrayView { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `broadcast_if_necessary` [INFO] [stdout] --> src/ops/binary_ops.rs:296:4 [INFO] [stdout] | [INFO] [stdout] 296 | fn broadcast_if_necessary<'g, T: Float>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.90s [INFO] running `Command { std: "docker" "inspect" "7f54ae596ceda3684546d30d1575751c6a476210eabd52585b69f531009607dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f54ae596ceda3684546d30d1575751c6a476210eabd52585b69f531009607dc", kill_on_drop: false }` [INFO] [stdout] 7f54ae596ceda3684546d30d1575751c6a476210eabd52585b69f531009607dc