[INFO] cloning repository https://github.com/AntonEriksson978/rust_makemore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonEriksson978/rust_makemore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonEriksson978%2Frust_makemore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonEriksson978%2Frust_makemore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b55af04a541d05f4b1d306891d93500776c7a588
[INFO] building AntonEriksson978/rust_makemore against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonEriksson978%2Frust_makemore" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AntonEriksson978/rust_makemore on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AntonEriksson978/rust_makemore
[INFO] finished tweaking git repo https://github.com/AntonEriksson978/rust_makemore
[INFO] tweaked toml for git repo https://github.com/AntonEriksson978/rust_makemore written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AntonEriksson978/rust_makemore 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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] 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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dfc0728e0270e0ecc6cf964441e816f52632eb89b6c5d41fddd29f123db9e4a
[INFO] running `Command { std: "docker" "start" "-a" "8dfc0728e0270e0ecc6cf964441e816f52632eb89b6c5d41fddd29f123db9e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dfc0728e0270e0ecc6cf964441e816f52632eb89b6c5d41fddd29f123db9e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfc0728e0270e0ecc6cf964441e816f52632eb89b6c5d41fddd29f123db9e4a", kill_on_drop: false }`
[INFO] [stdout] 8dfc0728e0270e0ecc6cf964441e816f52632eb89b6c5d41fddd29f123db9e4a
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df60803cfee6ea07ffe9188f5b645e8f174461d691025f167cd4c59815c68277
[INFO] running `Command { std: "docker" "start" "-a" "df60803cfee6ea07ffe9188f5b645e8f174461d691025f167cd4c59815c68277", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.118
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling uuid v1.9.1
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling zip v1.1.4
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling bytemuck_derive v1.7.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling burn-derive v0.13.2
[INFO] [stderr]    Compiling num_enum v0.7.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling bytemuck v1.16.1
[INFO] [stderr]    Compiling zerofrom v0.1.4
[INFO] [stderr]    Compiling yoke v0.7.4
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dyn-stack v0.10.0
[INFO] [stderr]    Compiling pulp v0.18.21
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling burn-common v0.13.2
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling gemm-common v0.17.1
[INFO] [stderr]    Compiling burn-tensor v0.13.2
[INFO] [stderr]    Compiling gemm-f32 v0.17.1
[INFO] [stderr]    Compiling gemm-f64 v0.17.1
[INFO] [stderr]    Compiling gemm-c64 v0.17.1
[INFO] [stderr]    Compiling gemm-c32 v0.17.1
[INFO] [stderr]    Compiling safetensors v0.4.3
[INFO] [stderr]    Compiling gemm-f16 v0.17.1
[INFO] [stderr]    Compiling gemm v0.17.1
[INFO] [stderr]    Compiling candle-core v0.4.1
[INFO] [stderr]    Compiling candle-core v0.6.0 (https://github.com/huggingface/candle.git#9cd54aa5)
[INFO] [stderr]    Compiling candle-nn v0.6.0 (https://github.com/huggingface/candle.git#9cd54aa5)
[INFO] [stderr]    Compiling burn-candle v0.13.2
[INFO] [stderr]    Compiling burn-core v0.13.2
[INFO] [stderr]    Compiling burn v0.13.2
[INFO] [stderr]    Compiling rust_makemore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `burn::nn`
[INFO] [stdout]  --> src/candle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use burn::nn;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/candle.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let len = xs.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.62s
[INFO] running `Command { std: "docker" "inspect" "df60803cfee6ea07ffe9188f5b645e8f174461d691025f167cd4c59815c68277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df60803cfee6ea07ffe9188f5b645e8f174461d691025f167cd4c59815c68277", kill_on_drop: false }`
[INFO] [stdout] df60803cfee6ea07ffe9188f5b645e8f174461d691025f167cd4c59815c68277
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c56ba9840ec3c4f14c74e38bd06b22920374b412557d5799932041ae96b5ef4
[INFO] running `Command { std: "docker" "start" "-a" "0c56ba9840ec3c4f14c74e38bd06b22920374b412557d5799932041ae96b5ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_makemore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `burn::nn`
[INFO] [stdout]  --> src/candle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use burn::nn;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/candle.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let len = xs.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `burn::nn`
[INFO] [stdout]  --> src/candle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use burn::nn;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/candle.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let len = xs.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "0c56ba9840ec3c4f14c74e38bd06b22920374b412557d5799932041ae96b5ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c56ba9840ec3c4f14c74e38bd06b22920374b412557d5799932041ae96b5ef4", kill_on_drop: false }`
[INFO] [stdout] 0c56ba9840ec3c4f14c74e38bd06b22920374b412557d5799932041ae96b5ef4