[INFO] fetching crate mininn 0.1.4...
[INFO] checking mininn-0.1.4 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate mininn 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mininn 0.1.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mininn 0.1.4
[INFO] tweaked toml for crates.io crate mininn 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mininn 0.1.4 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mininn 0.1.4 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded rmp v0.8.14
[INFO] [stderr]   Downloaded ndarray-rand v0.15.0
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[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded approx v0.4.0
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[INFO] [stderr]   Downloaded mininn-derive v0.1.0
[INFO] [stderr]   Downloaded mnist v0.6.0
[INFO] [stderr]   Downloaded csv-core v0.1.11
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[INFO] [stderr]   Downloaded serial_test v3.2.0
[INFO] [stderr]   Downloaded serial_test_derive v3.2.0
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87cca6d4b82b0f394017aa22bab64d943bbb91182d06985ef9efd4cca79c14c9
[INFO] running `Command { std: "docker" "start" "-a" "87cca6d4b82b0f394017aa22bab64d943bbb91182d06985ef9efd4cca79c14c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87cca6d4b82b0f394017aa22bab64d943bbb91182d06985ef9efd4cca79c14c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cca6d4b82b0f394017aa22bab64d943bbb91182d06985ef9efd4cca79c14c9", kill_on_drop: false }`
[INFO] [stdout] 87cca6d4b82b0f394017aa22bab64d943bbb91182d06985ef9efd4cca79c14c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b57521e3b3556c3396cf9946162f8a46eb6f16cab250d0672610abafcdd48e38
[INFO] running `Command { std: "docker" "start" "-a" "b57521e3b3556c3396cf9946162f8a46eb6f16cab250d0672610abafcdd48e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling serde v1.0.216
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[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.90
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[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking futures-executor v0.3.31
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]    Compiling mininn-derive v0.1.0
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
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[INFO] [stderr]     Checking serial_test v3.2.0
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking ndarray-csv v0.5.1
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[INFO] [stderr]     Checking ndarray-rand v0.15.0
[INFO] [stderr]     Checking mininn v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linfa-datasets v0.7.0
[INFO] [stdout] warning: struct `BatchNorm` is never constructed
[INFO] [stdout]  --> src/layers/types/batchnorm.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct BatchNorm {
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Padding` is never used
[INFO] [stdout]  --> src/layers/types/conv.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) enum Padding {
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conv` is never constructed
[INFO] [stdout]   --> src/layers/types/conv.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) struct Conv {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/layers/types/conv.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Conv {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layers/types/dense.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn weights(&self) -> ArrayView2<f32> {
[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] 114 |     pub fn weights(&self) -> ArrayView2<'_, f32> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layers/types/dense.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn biases(&self) -> ArrayView1<f32> {
[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] 120 |     pub fn biases(&self) -> ArrayView1<'_, f32> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchNorm` is never constructed
[INFO] [stdout]  --> src/layers/types/batchnorm.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct BatchNorm {
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layers/types/dense.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn weights(&self) -> ArrayView2<f32> {
[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] 114 |     pub fn weights(&self) -> ArrayView2<'_, f32> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layers/types/dense.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn biases(&self) -> ArrayView1<f32> {
[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] 120 |     pub fn biases(&self) -> ArrayView1<'_, f32> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "b57521e3b3556c3396cf9946162f8a46eb6f16cab250d0672610abafcdd48e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57521e3b3556c3396cf9946162f8a46eb6f16cab250d0672610abafcdd48e38", kill_on_drop: false }`
[INFO] [stdout] b57521e3b3556c3396cf9946162f8a46eb6f16cab250d0672610abafcdd48e38
