[INFO] cloning repository https://github.com/LinusJacobsson/micrograd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LinusJacobsson/micrograd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusJacobsson%2Fmicrograd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusJacobsson%2Fmicrograd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68a24a1288881278922397e057b17b19c2b6ce5b
[INFO] building LinusJacobsson/micrograd-rs against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusJacobsson%2Fmicrograd-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LinusJacobsson/micrograd-rs
[INFO] finished tweaking git repo https://github.com/LinusJacobsson/micrograd-rs
[INFO] tweaked toml for git repo https://github.com/LinusJacobsson/micrograd-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LinusJacobsson/micrograd-rs on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LinusJacobsson/micrograd-rs 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6e0ff77f2ce45e351c4eb110b8313fe13c9854f1c70617f419ed603d26c9653
[INFO] running `Command { std: "docker" "start" "-a" "e6e0ff77f2ce45e351c4eb110b8313fe13c9854f1c70617f419ed603d26c9653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e0ff77f2ce45e351c4eb110b8313fe13c9854f1c70617f419ed603d26c9653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e0ff77f2ce45e351c4eb110b8313fe13c9854f1c70617f419ed603d26c9653", kill_on_drop: false }`
[INFO] [stdout] e6e0ff77f2ce45e351c4eb110b8313fe13c9854f1c70617f419ed603d26c9653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] cb89834449293455caf1942401f7c23acf9d4a5b75d5b1b46f33e9a7061ef81e
[INFO] running `Command { std: "docker" "start" "-a" "cb89834449293455caf1942401f7c23acf9d4a5b75d5b1b46f33e9a7061ef81e", kill_on_drop: false }`
[INFO] [stderr]    Compiling micrograd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `grad`, `add_grad`, and `operation` are never used
[INFO] [stdout]    --> src/main.rs:98:8
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Value {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn grad(&self) -> f32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn add_grad(&self, g: f32) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn operation(&self) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cb89834449293455caf1942401f7c23acf9d4a5b75d5b1b46f33e9a7061ef81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb89834449293455caf1942401f7c23acf9d4a5b75d5b1b46f33e9a7061ef81e", kill_on_drop: false }`
[INFO] [stdout] cb89834449293455caf1942401f7c23acf9d4a5b75d5b1b46f33e9a7061ef81e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] c44ecf87ebf4388e9d854c2fbf0b0414fc4cdd007c01ee178c37fb42acf7ffb5
[INFO] running `Command { std: "docker" "start" "-a" "c44ecf87ebf4388e9d854c2fbf0b0414fc4cdd007c01ee178c37fb42acf7ffb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling micrograd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `grad`, `add_grad`, and `operation` are never used
[INFO] [stdout]    --> src/main.rs:98:8
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Value {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn grad(&self) -> f32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn add_grad(&self, g: f32) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn operation(&self) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[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 0.26s
[INFO] running `Command { std: "docker" "inspect" "c44ecf87ebf4388e9d854c2fbf0b0414fc4cdd007c01ee178c37fb42acf7ffb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44ecf87ebf4388e9d854c2fbf0b0414fc4cdd007c01ee178c37fb42acf7ffb5", kill_on_drop: false }`
[INFO] [stdout] c44ecf87ebf4388e9d854c2fbf0b0414fc4cdd007c01ee178c37fb42acf7ffb5