[INFO] fetching crate concision-neural 0.2.8...
[INFO] checking concision-neural-0.2.8 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate concision-neural 0.2.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate concision-neural 0.2.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate concision-neural 0.2.8
[INFO] tweaked toml for crates.io crate concision-neural 0.2.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concision-neural 0.2.8 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate concision-neural 0.2.8 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733c6d7ccebf1bc0d5fd0dd0aeeb9c64179f21a7d2743abead95aaf686457b0a
[INFO] running `Command { std: "docker" "start" "-a" "733c6d7ccebf1bc0d5fd0dd0aeeb9c64179f21a7d2743abead95aaf686457b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733c6d7ccebf1bc0d5fd0dd0aeeb9c64179f21a7d2743abead95aaf686457b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733c6d7ccebf1bc0d5fd0dd0aeeb9c64179f21a7d2743abead95aaf686457b0a", kill_on_drop: false }`
[INFO] [stdout] 733c6d7ccebf1bc0d5fd0dd0aeeb9c64179f21a7d2743abead95aaf686457b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072b3aacda13752df4b910e85fb94644be7faf3191c6d32a3c4fee64c63c82e2
[INFO] running `Command { std: "docker" "start" "-a" "072b3aacda13752df4b910e85fb94644be7faf3191c6d32a3c4fee64c63c82e2", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling variants-derive v0.0.1
[INFO] [stderr]    Compiling variants v0.0.1
[INFO] [stderr]    Compiling concision-traits v0.2.8
[INFO] [stderr]    Compiling concision-params v0.2.8
[INFO] [stderr]    Compiling concision-init v0.2.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling concision-core v0.2.8
[INFO] [stderr]    Compiling concision-data v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling concision-neural v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]    Compiling serde_with_macros v3.11.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde_with v3.11.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking ndarray v0.17.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stdout] error: struct `Sequential` is never constructed
[INFO] [stdout]  --> src/layers/sequential.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Sequential<S, D>
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concision-neural` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Sequential` is never constructed
[INFO] [stdout]  --> src/layers/sequential.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Sequential<S, D>
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concision-neural` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "072b3aacda13752df4b910e85fb94644be7faf3191c6d32a3c4fee64c63c82e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072b3aacda13752df4b910e85fb94644be7faf3191c6d32a3c4fee64c63c82e2", kill_on_drop: false }`
[INFO] [stdout] 072b3aacda13752df4b910e85fb94644be7faf3191c6d32a3c4fee64c63c82e2
