[INFO] cloning repository https://github.com/kelvincesar/twolayer-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kelvincesar/twolayer-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvincesar%2Ftwolayer-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvincesar%2Ftwolayer-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1aa51c8acf49f4cd07b35a52d1aeb52d5d450797
[INFO] building kelvincesar/twolayer-net against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvincesar%2Ftwolayer-net" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kelvincesar/twolayer-net
[INFO] finished tweaking git repo https://github.com/kelvincesar/twolayer-net
[INFO] tweaked toml for git repo https://github.com/kelvincesar/twolayer-net written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kelvincesar/twolayer-net on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kelvincesar/twolayer-net 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2aa95e2aecf5f9b6a97ddc5c09bea78904675c11f02f8080e7881b7cad3ee7d
[INFO] running `Command { std: "docker" "start" "-a" "f2aa95e2aecf5f9b6a97ddc5c09bea78904675c11f02f8080e7881b7cad3ee7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2aa95e2aecf5f9b6a97ddc5c09bea78904675c11f02f8080e7881b7cad3ee7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2aa95e2aecf5f9b6a97ddc5c09bea78904675c11f02f8080e7881b7cad3ee7d", kill_on_drop: false }`
[INFO] [stdout] f2aa95e2aecf5f9b6a97ddc5c09bea78904675c11f02f8080e7881b7cad3ee7d
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6564c4595f948ec7822c5a07e8e6c81338afcdeaa9a87cd5e24dab841054554f
[INFO] running `Command { std: "docker" "start" "-a" "6564c4595f948ec7822c5a07e8e6c81338afcdeaa9a87cd5e24dab841054554f", kill_on_drop: false }`
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling xattr v1.5.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling twolayer-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.99s
[INFO] running `Command { std: "docker" "inspect" "6564c4595f948ec7822c5a07e8e6c81338afcdeaa9a87cd5e24dab841054554f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6564c4595f948ec7822c5a07e8e6c81338afcdeaa9a87cd5e24dab841054554f", kill_on_drop: false }`
[INFO] [stdout] 6564c4595f948ec7822c5a07e8e6c81338afcdeaa9a87cd5e24dab841054554f
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55fb91219a83cd389586586c1f36f22ea1fab9c915013e2bd431346d05e5f20
[INFO] running `Command { std: "docker" "start" "-a" "e55fb91219a83cd389586586c1f36f22ea1fab9c915013e2bd431346d05e5f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling twolayer-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stats` is never read
[INFO] [stdout]   --> examples/cifar10_hyperparameter_search.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Cifar10TrainingResult {
[INFO] [stdout]    |        --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     stats: TrainingStats,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cifar10TrainingResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "e55fb91219a83cd389586586c1f36f22ea1fab9c915013e2bd431346d05e5f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55fb91219a83cd389586586c1f36f22ea1fab9c915013e2bd431346d05e5f20", kill_on_drop: false }`
[INFO] [stdout] e55fb91219a83cd389586586c1f36f22ea1fab9c915013e2bd431346d05e5f20